University of Baghdad College of Dentistry

Oral surgery Final exam

2022

Except one ‫** خلو بالكم من اسئلة‬

Q1 The gap between the beaks make the dentist enable to

differentiate between
A-Mandibular canine and mandibular premolars forceps.
B- Mandibular premolars and Mandibular bayonet forceps
C- Maxillary premolar and maxillary lateral forceps
D-Maxillary canine and mandibular canine forceps
Q2 Lingual nerve innervated the
A-Anterior 1/3 of tongue
B- Anterior 2/3 of the tongue
C- Posterior 1/3 of the tongue
D-Posterior 2/3 of the tongue
Q3 Inferior Dental plexuses composed of
A-Mylohyoid nerve
B- Long buccal nerve
C- Mental nerve
D-Inferior alveolar nerve
E- Lingual nerve

1
Q4 The lower buccal soft tissue posterior to mental foramen
innervated by
A-Mental nerve
B- Long buccal nerve
C- Lingual nerve
D-Mylohyoid nerve
E- Inferior alveolar nerve
Q5 Referred pain means
A-Sharp Stabbing pain.
B- Long standing pain
C- Radiated pain
D-Frequency pain chronic dull pain
Q6 Rate of injection of local anesthetic
A-5ml/min
B- 1.5ml/min
C- 1ml/min
D-3ml/min
E- 4ml/min
Q7 Which vasoconstrictor can’t be used in pregnancy
A-Felypressin
B- Adrenaline
C- Levonordefrin
D-Norepinephrine
E- Epinephrine

2
Q8 Pulp innervation for upper premolars teeth is by
A-Middle superior alveolar nerve
B- Posterior superior alveolar nerve
C- Anterior superior alveolar nerve
D-Greater palatine nerve
E- None of the above
Q9 Pulp innervation for upper 2ed molar tooth is by
A-Middle superior alveolar nerve
B- Posterior superior alveolar nerve
C- Anterior superior alveolar nerve
D-Greater palatine nerve
E- None of the above
Q10 Pulp innervation for upper 1st molar tooth is by
A-Middle superior alveolar nerve
B- Posterior superior alveolar nerve
C- Anterior superior alveolar nerve
D-Greater palatine nerve
E- A & B
Q11 One of the disadvantages of cutting bone by surgical
handpiece and burs
A-Efficient bone cutting
B- Less traumatic
C- Heat generation
D-It is more precise
E- Can cut bone and split teeth

3
Q12 During the intra-ligemantray injection all are true except
A-This technique cannot be carried out by the conventional
syringes.
B- It need more pressure than other techniques.
C- Using small amount of local anesthetic solution.
D-Used only for anesthetize single tooth.
E- The multi-rooted teeth are injected over each root.
Q13 Most used scalpel handle in the oral cavity is number
A-3
B- 4
C- 15
D-7
Q14 Clinically the patient with Facial nerve paralysis complain of
the following except one
A-inability to close the eye
B- inability to raise the eyebrow of the affected side
C- lower lip paralysis
D-inability to moving the tongue
E- upper lip paralysis
Q15 the site on the root at which force must be applied to effect
delivery is called
A-center of rotation
B- Line of withdrawal
C- Point of application

4
Q16 during draining abscesses the method with using Howarth
periosteal
A-Hilton's method
B- ‫هوايه خيارات بعد‬
Q17 Anesthesia of the anterior portion of the palate could be
achieved by
A-Posterior superior alveolar nerve block
B- Anterior superior alveolar nerve block
C- Greater palatine nerve block
D-nasopalatine nerve block
Q18 scalpel that use for skin incision
A-No. 15
B- No. 11
C- No. 10
D-No. 7
Q19 Any tooth resistant to normal extraction force by extraction
forceps should be extracted by
A-dental elevators
B- bayonet forceps
C- surgical burs and hand piece
D-chisel and mallet
E- bone nibble

5
Q20 solution used for irrigation
A-distilled water
B- normal saline
C- local anesthetic
D-sodium hypochlorite
Q21 The hinge joint of extraction forceps is beveled so that it
wouldn't
A-fracture of the crown
B- it is effects the vision of operator
C- pinch operator's hand
D-pinch the patient's lip
E- collect debris and bacteria
Q22 According to (CPR) Cardiopulmonary Resuscitation a
universal compression to Ventilation ratio is
A-30:2
B- 15:8
C- 30:8
D-15:2
E- 15:4
Q23 Clinical manifestation of allergy to Local Anesthesia, ALL
True except
A-Hematoma
B- Fever
C- Angioedema
D-Anaphylaxis
E- itch

6
Q24 According to the metabolism of local anesthetic solution,
which is incorrect
A-Ester is metabolized in plasma
B- Amide metabolism is less complex than ester
C- Amide metabolism is slower than ester
D-Amide metabolized in liver
Q25 Best instrument use to remove lesion from bony socket
A-Bone rounger
B- Bone file
C- Surgical currete
D-Section unit
Q26 Burner sensations to the local anesthetic solution is cases
follow excepted
A-Normally responded tissue to the ph of drug
B- Local anesthetic contains the sterile solution
C- Local anesthetic contains vasopressor
D-Local anesthetic is amid
E- c and d
Q27 30% to 54% of individuals has absence of
A-Middle superior alveolar nerve
B- Posterior superior alveolar nerve
C- Anterior superior alveolar nerve
D-Greater palatine nerve
E- A & B

7
Q28 trismus is treated with all except
A-Antibiotic
B- Analgesic
C- Muscle relaxant
D-Cold therapy
Q29 Anaphylactic Shock All true except
A-Occurs Rare
B- Develops slowly
C- facial and laryngeal edema
D-Antihistamine should be given
Q30 the false sentences about epinephrine is
A-increased systolic & diastolic B.P
B- obtained from adrenal medulla
C- Cause Bronchodilation
D-Not advice to given to patient with acute asthma
Q31 To anesthetize lower canine which nerve is anesthetized
A-Incisive nerve
B- Mental nerve
C- Lingual nerve
D-All of above
Q32 Nerve most commonly associated with paresthesia
A-Lingual nerve
B- Facial nerve
C- Buccal nerve
D-Greater palatine nerve

8
Q33 Operator stand in front of patient when extract
A-Mandibular right 2nd molar
B- Maxillary left 1st molar
C- Mandibular left 2nd molar
D-Mandibular right 1st premolar
Q34 the most common systemic complication that occurs with
local anesthesia
A-Drug interaction
B- Overdosage and toxicity
C- Hypersensitivity
D-Fainting
Q35 Number of Dental forceps available for extraction of
posterior teeth
A- 8
B- 5
C- 6
D- 4
E- None of above
Q36 Predisposing Factors or Triggering Stimulus except one
A-Anxiety
B- Emotional stress
C- use of sedation for the relief of anxiety
D-The sight of blood

9
Q37 All of these is Local complications of the local anesthesia,
except
A-Failure to obtain anesthesia
B- Hematoma
C- toxicity
D-Facial nerve paralysis
Q38 Technique used in limited mouth opening
A-Mandibular nerve block
B- The mental nerve block
C- Akinosi mandibular nerve block
D-Gow-Gates mandibular nerve block
Q39 which incorrect, pain of insertion needle can be avoided by
A-use new needle
B- use blunt needle
C- use disposable needle
D-application of topical anesthesia before insertion needle
E- use small gauge of needle
Q40 The reducing agent in the local anesthetic solution is
A-Sodium bisulphite
B- Methyl paraben
C- Thymole
D-Ringer’s solution
E- Distilled water

10
Q41 Maxillary dental forceps of premolar have bends in its beaks
to
A-provide two contact points
B- provide image beaks
C- reduce trauma to the lips
D- Non‫ ث‬of the above
Q42 Signs and symptoms of localized alveolar osteitis is
A-Bubbles on socket
B- Pus in socket
C- Recovery 7-10 days
D-Lined with epithelium
Q43 The main difference between coupland’s chisel & straight
alveolar is
A-Straight alveolar has a round end
B- Straight alveolar cut bone
C- Coupland’s chisel doesn’t cut bone
D-Cuopland’s chisel has a round end
Q44 Pull stroke only technique of motion use with
A-Mitchell trimmer
B- Bone file
C- Hemostat
D-Curette
E- Needle holder

11
Q45 suture needles differ according to the shape
A-Round and triangular
B- Cutting and non-cutting
C- resorbable and non resorbable
D-Natural and synthesis
Q46 Physics forceps use lever type
A- 1
B- 2
C- 3
D- 4
Q47 Most common suture material use in oral surgery
A-5/0
B- 3/0
C- 15/0
D-7/0
Q48 Which of the following use to smoothing of bone
A-Bone cutter
B- Surgical bur and handpiece
C- Bone nibbler
D-Currete

12
Q49 70 years’ male patient suffering from moderate throbbing
pain in his lower 2nd molar and he needs to extract it and apply
RPD, (the patient has unstable angina pectoris and take
anticoagulant), so treatment
A-extract the tooth with proper forceps
B- -the tooth is contraindicated
C- -need exo and suturing
D--none of the above
Q50 Most common local complication of extraction
A-Crown and root fracture
B- Maxillary tuberosity fracture
C- Bleeding
D-Infection
E- Fracture of mandible
Q51 Haworth periosteal elevator resemble
A-Bone file
B- Curette
C- kilner retractor
Q52 27 female suffering from crowding and malocclusion, so for
her esthetic and self-esteem ,orthodontist decided to extract some
of them, Orthodontic reason is
A-therapeutic extraction
B- Malposed teeth
C- preventive extract
D-None of above

13
Q53 used for undermining soft tissues
A-blunt nosed scissors
B- Needle holder
C- Hemostat
D-Bone rounger
Q54 elevator used for detachment of muscle insertion complete
the incision done by the blade if there is some resistance for the
elevation
A-periosteal elevators
B- Needle holder
C- Toothed -tissue forceps
D-Hemostat
Q55 The extraction of deciduous teeth done by
A-Coupland’s chisel
B- Cryer’s elevators
C- Apexo elevators
D-Warwick James elevators
Q56 The most vulnerable part to breakage during use of forceps
during extraction of lower teeth
A-Buccal plate
B- Lingual plate
C- All of above

14
Q57 uses of Physics forceps depending on
A-Release of hyaluronidase
B- Dependence of creep
C- Use of lever mechanics
D-The long force handle
E- All of above
Q58 removing foreign bodies or soft tissue from the bony socket
is done with
A-Irrigation
B- Suction
C- Curette
D-Hemostat
Q59 these instruments are used to cut bone except one
A-Surgical burs and hand piece
B- Bone file
C- Piezosurgery
D-Curette
Q60 these are the instrument that use during suturing Except one
A-Needle holder
B- Toothed -tissue forceps
C- Scissors
D-Thread
E- Mucoperiosteum elevator

15
Q61 Diagnostic instruments include
A-Dental mirror, probe, Tweezer in kidney dish
B- Dental mirror, probe, hemostat in kidney dish
C- Dental mirror, probe, forceps in kidney dish
D-Dental mirror, probe, elevators in kidney dish
Q62 the most local complication of excessive bleeding after
extraction is
A-laceration of periosteum
B- hematological disorders
C- thrombocytopenia
D-anticoagulant drugs
E- None of above
Q63 the difference between hematoma and infections edema
A-discoloration (bruise)
B- Painless
C- Cause trismus
Q64 collection of blood in the extra-vascular spaces of the tissues
is
A-Hematoma
B- Infection
C- Edema
D-All of above
Q65 The meaning of Trismus is
A-inability to open the mouth
B- inability to swallowing
C- inability to breath
D-All of above
16
Q66 during extraction of 3ed molar by elevator the fracture occurs
in the maxillary tuberosity the common complication is
A-Dislocation of the tempro-mandibular joint
B- profuse bleeding
C- Pain
D-Trismus
Q67 Pressure syringe used in
A-intraligamentary injection
B- Palatine anesthesia
C- Inferior alveolar nerve
D-All of above
Q68 All of these is part of cartilage except
A-aluminum cup
B- Diaphragm.
C- Stopper
D-Cylindrical glass tube
E- Hub
Q69 all the following Boundaries of the pterygomandibular space
are true except one is false
A-medial pterygoid muscle forms the medial wall
B- anteriorly by the pterygomandibular raphe
C- The ramus of the mandible forms the lateral wall
D-superior constrictor and buccinators muscles from inferior

17
Q70 In the injection near the mandibular foramen, all of the
following nerves will be anesthetized except
A-Long buccal nerve
B- Lingual nerve
C- Incisive nerve
D-Inferior alveolar nerve
E- Mental nerve
Q71 Advantages of irrigation
A-provide good visualization to surgical field.
B- clearing debris from burs and surgical field.
C- cooling burs down from heat generated during cutting.
D-increase efficiency of the burs
E- All of above
Q72 the first aids treatment should be started with a patient with
fainting is
A-lowering the head of the patient by putting him in supine
position by lowering the back of the dental chair
B- lowering the head of the patient by putting him in upright
position by standing the back of the dental chair
C- ‫بعد اكو خيارات ما اذكرها‬
D-None of above
Q73 all the following nerves are sensory except one
A-greater palatine nerve
B- lingual nerve
C- mental nerve
D-facial nerve

18
Q74 The advantages of additions of vasoconstrictors to the local
anesthetic solution are …… except one
A-decrease blood flow
B- Decrease the risk of systemic toxicity
C- Decrease the duration of action of local anesthetics
D-Decrease bleeding at the site of injection
Q75 topical anesthesia's preparation will penetrate soft tissue
about
A- 1mm
B- 2mm
C- 3mm
D- 4mm
E- 5mm
Q76 Classification of local anesthetics into All following are false
except
A-Long-acting like lignocaine
B- Short-acting like Articaine
C- Amide like Procaine
D-Natural like lignocaine
Q77 the elevator that has a triangular blade and doesn’t use in
extraction of lower third molar is
A-Coupland’s chisel ‫اعتقد جوابه الثالث الن هذا‬
B- Cryer’s elevators ‫قوي و احتمال يكسر الفك كله‬

C- Winter’s elevator
D-War-wick James elevators

19
Q78 Application of topical anesthesia's preparation in cases
like…... except one
A-Prior to suture removal
B- Obtain anesthesia of mucosa prior to injection
C- Prior to carrying out incision
D-Prior to drainage of abscesses
E- filling of molar teeth
Q79 Regarding lidocaine All the following is true except one
A-Classification: Amide
B- Excretion: Via the kidneys
C- uses a topical anesthesia
D-The onset of Action: Slow
E- None of above

Q80 the thinnest cortical plate in the mandible is

A-Tow third of the mandible
B- anterior part of the mandible
C- half of the mandible
D-posterior part of the mandible
E- None of above
Q81 Fracture of alveolar bone can be happened more in
A-Lingual surface of maxillary premolar teeth
B- Labial surface of maxillary canine
C- Lingual surface of upper anterior teeth
D-Labial surface of mandibular anterior teeth
E- None

20
Q82 Exertion of Excessive force during extraction of lower teeth
may lead to
A-Fracture of the bone
B- Dislocation of TMJ
C- Bleeding
D-All of above
Q83 Which from this lead to fracture of the mandible
A-Senile changes
B- Large cystic lesion
C- Tumors
D-All the above
Q84 All true except one about local anesthesia:
A-Less complication rate
B- Skilled personnel
C- Less expensive
D-No special preparation
E- Can be used with patient contraindicated to GA
Q85 The dental cartridge contain …………lidocaine
A- 1%
B- 2%
C- 3%
D- 4%

21
Q86 The maximum recommended dose of lidocaine with
epinephrine is
A-7 mg/kg
B- 1:100.000
C- 4.5 mg/kg
D-None of above
Q87 From the Advantages of Infiltration Anesthesia to block All
except one
A-Easy and simple injection
B- its action is limited to a small area
C- Very high success rate
D-Good control of bleeding

Q88 The cross- hatched inner surface of the needle holder serves
to
A-Provide better vision
B- prevent its rotation or movement of needle
C- Prevent hemorrhage by grasping a blood of vessel
D-Prevent the flap from slipping
E- All of above
Q89 slipping of elevator during extraction may lead to
A-Damage of vital structure
B- laceration of gingiva ‫ممتاكدين منه‬

C- failure of extraction
D-all of the above

22
Q90 Paresthesia can be resolves without treatment within
A-8 days
B- 8 weeks
C- 4 days
D-4 weeks
E- None of the above
Q91 The mandibular division (V3) leaving the skull through
A-foramen rotundum
B- foramen ovale
C- incisive foramen
D-greater palatine foramen
Q92 The physics forceps makes the extraction force much less
through
‫ممتاكدين اذا اجه او ال‬
A-The use of a lever principle
B- The dependence on the creep
C- The long force arm in comparison to regular forceps.
D-All of above
Q93 Any tooth resisting normal extraction force by extracting
forceps can be extracted by using
A-Scalpel blade
B- chisel and mallet
C- Dental elevator
D-surgical burs and hand piece
E- All of above

23
Q94 All the following are amide type except one
A-Prilocaine
B- Procaine
C- Bupivacaine
D-Etidocaine
E- None of above
Q95 All the following are the properties of lidocaine except one
A- compatible with all types of vasoconstrictors
B- less commonly used local anesthetic agent in dentistry
C- the first non-ester type of local anesthetic agent to be used in
dentistry
D- stable as it can be stored for a long time at room temperature
E- withstands boiling and autoclaving
Q96 The adjacent tooth should never use as fulcrum unless
A- Its strong tooth
B- The dentist has good support
C- It’s going to be extracted
D- Accused tooth is impacted
Q97 Oro-antral communication may turn into fistula in which
condition
A- palatal root of upper6
B- air bubble in the site of extraction
C- after long period without treatment
D- all of the above

24
Q98 Anaphylactic treatment include all except
A- Administration of Epinephrine IM
B- Administration of O2
C- Giving Antihistamine drug
D- Put the patient in upright position
Q99 Factors effect L.A selection include all except
A- Sensitivity
B- Age of the patient
C- Drug interaction
D- Physical and mental status of the patient
E- None of above
Q100 We can secure the suction tips and micro wires by use
A- hemostat
B- Periosteal elevator
C- Towel clamp
D- needle holder
Q101 All Regarding to the neurons except one incorrect
A- Neuron is the structural unit of CNS
B- dendrites are the part of neurons contain nucleus
C- Axon is the long fiber like cable
D- Impulses initiate by changes in the cell membrane
Q102 Which of following factors don't effect on local anesthetic
action
A- Protein binding
B- PH value
C- Vascularity of injection site
D- Presence and absence of vasoactive substances
E- Type of local anesthetic

25
 ‫علما انه االسئله مالتنه جانت ‪ 120‬سؤال‬

‫جوه االسئله الي ممتذكرين منها غير هيج‬

‫اكو سؤال اجه يكن على البليدينك منين ديدجي مثال ‪Q‬‬
‫‪A- the pterygoid venous plexus‬‬

‫اذا جان اكو خطأ ب استخدام االليفيتر و يروح الروت بالفايتل ستريكجر ‪Q‬‬

‫‪26‬‬
 Oral surgery
MID EXAM 2016/2017

1_ Radiographic examination in the oral surgery

A_aids in the diagnosis of bony lesion
B_for post_operative follow up of surgically treated cases
C_Reconstructive planning
D_All of above✔✔

2_ The true following statements related to aspiration in oral surgery exept:

a- to do suggested diagnosis
b- to know nature of the lesion and aid in diagnosis of the lesion
c- a sort of histological and haematological examination
d- part of clinical examination method

3_ .the method of clinical examination in sequence

1- percussion, probing, auscultation, inspection
2- inspection, auscultation, probing, percussion
3- inspection, palpation, percussion, auscultation✔✔
4-non of the above

4_ Yellow discoloration ?
1_ sign✔✔
2_ symptom
3_ sign and symptom
4_none all of the above

5_ Lymph node enlargement indicate :

1- acute infection
2- acute&chronic infection
3- malignancy
4- all the above

6_ painless enlargement of lymph node in cervicofacial is indicate

a_ lymphoadenitis
b_ lymphadenopathy✔✔
c_palpable tender
d_ all of the above

7_ Referred pain:
A_localized pain at the jaw
B_localized pain around the teeth.
C_ unlocalized sever pain .
D_unlocalized pain in the areas away from the causative factor.✔✔
E_none of the above

8_ Vitality of teeth are checked by many methods except :

a)change in colour of teeth✔✔
b)hot application
c)pulp tester
d) ethyl chloride application

9_ Ausculation method of clinical examination :

A, always use
B,sweling in tempromidibler joint
C, some time use
D, B&C✔

10_ differential diagnosis means

A-final diagnosis
B-suggested diagnosis
C-histopathological diagnosis
D- all of the above

11_ Basic instruments that are used in clinical examination in oral surgery
a. Dental mirror , dental probe , tweezers✔✔
b. Dental mirror , dental probe , tweezers , kidney dish
c. Dental mirror , dental probe , tweezers , kidney dish , cotton

12_ Intra oral examination includes all except:

A-radiographs
B-ulcers in the mouth
C-examination of teeth, soft tissue and bones of the jaw
D-all of the above

13_ All the statements related to the tooth in the line of fracture except
1- relatively indicated for extraction
2- absolutely indicated for extracting
3- May lead to infection
4-may interfere with reduction of fracture

14_ The most common cause of extraction of the teeth

A_periapical pathology
B_ periodentitis
C_advanced caries
D_b,c

15_The following statements related to advanced chronic periodontitis except one..

a. Radiographic examination for bone lose
b. Clinical examination for bone lose
c. Hypermobility of the tooth
d. the utmost common cause for extraction of teeth
e. Paradontal abscess

16_ Extraction of tooth for patient with history of recent radiotherapy in maxillofacial region:
a)Breakdown of soft tissue and delay of the wound healing
b)may end with osteoradionecrosis
c)postoperative infection
d)all of the above

17_ Sound tooth may be extracted :

1-befor radiotheropy
2-for orthodontic treatment
3-for esthetic and prothodontic
4- all of above✔✔

18_ All the following characteristics of investigation exepte one

A_ allways for diagnosis
B_ sometimes for diagnosis

19_ The following statment are related to the surjical extraction all correct exept
A_trans alveolar surhical extaction
B_always done with generlized anesthesia✔✔
C_elvation of flap
D_done section to the tooth and tissue
E_done with sedation

20_ Sign of chronic advanced periodentitis include the following except:-

A-mobility of the teeth
B-halitosis
C-gum recession
D-bone loss

21_ impacted tooth should be extracted in the following cases exept :

a_ Priodontal problem of the adjoining teeth
b_Ambiguos pain
c_Focus of infection ✔✔
d_ Associated systic lesion

22_ The supernumerary teeth

a_ impacted
b_ single or multiple
c_ esthetic problems
d_ all of the above✔✔

23_managment term in diagnostic mean the following except:

1-)clinical examination and treatment and postoperative following up
2-)diagnosis and treatment✔✔
3-)history and investigation
4-)surgical and medecine(drug)

24_The following statement are related to periapical pathology except one

1-periapical abscess
2-periapical granuloma
3- cyst
4- pulplitis

25_ Chief complaint :

b_described by the exact patient words✔✔
d_achieved from the medical history

26_
Past dental histototy of patient have hemorrhage when tooth extraction indicate
A. Have bone and soft tissue truma
B.patient on medically anti_coagulating druge
C. Unabile tolerance to post operative instruction
D. All the above

27_ In history present illness onset is mean

the duration of illines
frequency of illiness
severity of illiness
the time which the illiness is started ✔✔

29_Extraction under general anasthesia in the followng condetion except:

A. extensive\difficult
B. very apprehensive
C. mentaly retarded
D. extraction of impacted third molars✔✔

30_Past dental histototy of patient have hemorrhage when tooth extraction indicate
A. Have bone and soft tissue truma
B.patient on medically anti_coagulating druge
C. Unabile tolerance to post operative instruction
D. All the above

31_ A medically fit patient (with negative medical history ) best describes as :
A- normal
B- no any sign or symptom of systemic disease
C - healthy patient
D- no history of chronic systemic disease✔✔

32_ Scalpel blade no.12 used

A)mucogingival ✔✔
B)skin incision
C)stap incision
D)most incision intra oral

33_ The instrument used in the elevating of the muco-periostium

a) Scalpel handel no.3.
b) Hemostat.
c) tooth-tissue forceps.
d) Molt no.9.✔✔

34_ Howarth periosteal elevator moved in :

A) pull stroke only
B) push stroke only
C) push and pull✔✔

35_ All of the following are part of forceps exept :

Blades✔✔
shanks
locking ratchet
peaks

36_Giant axon
A_100_200cm✔✔
B-110_200
C_200_300
D_non

37_ All are advantage of local anesthetic agent except :

A- no risk of respiratory obstruction
B- the patient need no after care
C- no special preparation need for patient
D- expensive✔✔

38_Hiltion method is done with:

1. hemostat ✔✔
2. Howarth
3. Malet
4. Aillis forcep

39_ Duration of action of medium-acting local anesthetic agents is:

•about 45 to 75 min
•90 to 100 min
•all of the above
•none of the above✔✔

40_ repolarization process takes

a-0.9 ms
b-0.3 ms
c-0.6 ms
d-non all of the above✔✔

41_
ester is metabolized in
A-liver
B-spleen
D- Bloodstream✔✔
E-non ‫ لو‬all of the above

42_ Analgesia is lose of

Sensition
Pain ✔✔
Pain and sensation

43_ the maximum recommonded dose of lidocaine :

a- 6.6 mg/kg body wight
b- 4.4✔✔
c- 3.5
d- 2.3

44_ Impulses initiated in nerve by

A-chemical
B-thermal
C-mechanical
D-all of above✔✔

45_ Duration of local anesthesia is increased in :

a- area increase vascularity
b-area decrease vascularity✔✔
c-area of all body
d-non above

46_ When the stimuli effect on the nerve influx of Na to interior of nerve through :
a.repolarization
b.depolrization✔✔

47_ The advantages of vasoconstriction agent a-decreased blood flowb-dcrease risk of local anstasia c-
increase durationd-all the above

48_ The main function of nerve cell is

a_ transmitted message between CNS and all parts of the body✔✔
b_ transmitted message from CNS and heart
c_ all of the above
d_ non
49_ All of them are is ideal properties of lacal anaesthetic agent except :
Rapidity of onset
Potency
Irreversibly✔✔
Safety

50_Which is the most potent anesthetic agent:

a_ mepivacaine
b_ bupivacaine ✔✔
c_ prilocaine
d_ ligocaine

51_Dilution of vasoconstrictor referred to as

a_ ratio✔✔
b_ percentage
c_ volume
d_non

52_Local anesthetic drugs listed by their :

a_ ratio
b_ percentage ✔✔
c_ volume
d_ all

53_Vasoconstriction according into:

a_ direct, indirect ✔✔
b_ mixing
c_ both
d_ non

54_Adrenalin cause dilation for smooth muscle of :

Bronchiol ✔✔
Stomach
Non of above
All of above

55_the lipophilic is…

a-the greater part✔✔
b-the smallest part
c-all of above
d-non on above

56_The following theories explain the action of local anesthesia except :-

A- membrane expansion theory.
B- conduction theory. ✔✔
C- special receptor theory.
D- non of the above.

57_Vasoconstrictor add to local anesthesia to :

a-increase duration
b-decrease blood flow
c-a&b✔✔
d-non

58_The movement of NA ions to the inside of nerve during depolarization and the movement of K ion
out of the nerve during re-polarization are:
A-passive process ✔✔
B-active process
C-all
D-none

59_The local anesthesia could be used in :

A. Dignosis
B . Preoperative use
C. Therapeutic
D.All of the above✔✔

60_Patient with thyrotoxicosis used with?

A. Should use adrenaline local anesthesia
B. Shouldn't use adrenaline local anesthesia
C. Plane local anesthesia should be use✔✔
D. Should use nor-adrenaline local anesthesia

61_Adrenaline is available in
a. 1:50:000
b. 1:80:000
c. 1:100:000
d. all of the above✔✔

62_All the following have an effect on the heart except

a. Adrenaline
b. Noradrenaline
c. Filpressine✔✔
d. Ephidrine

63_the factor that affect on the local anesthetic except:

1_lipid solibilty
2_protein binding
3_PH value
4_potent✔✔

64_Local anesthetic agents classified according to occurrence in nature

A- short&long acting
B-naturally occurring & synthetic compound ✔✔
C- organic & inorganic
D-ester & amide

65_esters and amide classified according to :

66_All are local anesthetic agent expect :

A) ligocaine
b)mepvicaine
C) flypressin✔✔
D) prilocaine

67_Local anesthesia are Excretion mainly by

A_lung
B_kidney✔✔
C_facel
D_skin
1-A preoperative radiograph is indicated in all of these cases except
a. Malposed non-vital tooth
b. extraction
c. A patient with history of dif cult
d. Attrition teeth in young patient.

2-All retained root small fragments should be removed from the oral cavity becausethey
provide a source of infections and neoplastic and cystic lesions
A. True
B. False

3-A 55-year-old female attended your clinic suffering from discomfort during eating
because she has multiple retained roots and unable to masticate properly, she is on
chemotherapy and she needs a partial denture, what should you do
A. Extract the retained roots by elevators and fabricate a partial denture
B. Extract the retained roots by Dental forceps and fabricate a partial denture
C. The extraction is contra-indicated
D. None of the above

4-27 female suffering from crowding and malocclusion, so for her esthetic and self
-esteem, orthodontist decided to extract some of them, Orthodontic reason is
A. therapeutic extraction
B. Malposed teeth
C. preventive extract
D. None of above

5-Grasping the tooth as apical as possible during extraction Is important to avoid root
fracture since it moves the center of rotation more apically
A. true
B. false

6-Indication and contra indication of extraction Grasping the tooth as apical as possible
during extraction is important to avoid root fracture since it moves the center of rotation
more apically
A. true
B. false

7-The most common cause of extraction of the teeth

A. Periapical pathology
B. periodontitis
C. advanced caries
D. B & C

8-We can differentiate the lower premolar forceps from that of the canine's by
A. The presence of double bend in the forceps
B. The presence of a gap between the blades when closed.
C. The lower premolar forceps has ner blades
D. The blades are at right angle to the handles
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9-Number of Dental forceps available for extraction of posterior teeth
None of above
A. 8
B. 5
C. 6
D. None of above

10-When material continues to change shape over time under a constant load, we call this
behavior
A. Line of withdrawal
B. Creep
C. Lever and fulcrum
D. Combination

11-maxillary molar forceps have two bends in their design in order to accommodate the
buccal bifurcation area
A. true
B. false

12-All of the following are part of forceps except

A. blades
B. shanks
C. locking ratchet
D. peaks

13-70 years ' male patient suffering from moderate throbbing pain in his lower 2nd molar
and he needs to extract it and apply RPD. ( the patient has unstable angina pectoris and
take anticoagulant) , so treatment
A. extract the tooth with proper forceps
B. the tooth is contraindicated
C. need ex and suturing
D. none of the above

14-When the patient remove the pressure pack (gauze) as instructed but the bleeding
persists then he should
A. Apply pressure on socket by tongue
B. Place a second gauze for additional one hour
C. Use analgesics and antiblotics
D. Gargle with Ice - cold water

15-There are_dental forceps to extract upper anterior teeth

A. 7
B. 3
C. 2
D. 4
16-The gap between the beaks make the dentist enable to differentiate betwee
A. Mandibular canine and mandibular premolars forceps
B. Mandibular premolars and Mandibular bayonet forceps
C. Maxillary premolar and maxillary lateral forceps
D. Maxillary canine and mandibular canine forceps

17-Maxillary dental forceps of premolar have bends in its beaks to

A. provide two contact points
B. provide image beaks
C. reduce trauma to the lips
D. Non of the above

18-Physics forceps use lever type

A. 1
B. 2
C. 3
D. 4

19-uses of Physics forceps depending on

A. Release of hyaluronidase
B. Dependence of creep
C. Use of lever mechanics
D. The long force handle
E. All of above

20-The bumper of the physics forceps act as

A. A guard to prevent gingival tissue tearing
B. A guard to prevent buccal bone fracture
C. A mean to increase the action of local anesthesia
D. All of the above

21-hyaluronidase is an enzyme that catalyzes the hydrolysis of the interstitial barrier,

(hyaluronic acid), and its release is activated by subjecting the periodontal ligaments to
tension during extraction
A. true
B. false

22-wedging is the main mechanical principle used to extract a retained root by cryers'
elevator
A. true
B. false

23-the physics forceps makes the extraction force much less through
A. the use of a lever principle
B. the dependence on the creep
C. the long force arm in comparison to regular forceps
D. all of above
24-some premolars may shoot out from their sockets during extraction due to lever and
fulcrum principles
a. true
b. false

25-we instruct the patient to keep biting over the gauze for at least
A. 30-60 minutes
B. 2-3 hours
C. 1/2-1 day
D. None of the above

26-there is no crushing of the crown when using physic forceps during extraction becouse
A. It causes the release of hyaluronidase
B. It depends on rotational torque without rm grasping the crown
C. It depends on lever and fulcrum plus expansion of the bony socket
D. It is used to extract sound strong teeth only

27- soft tissue retraction around the tooth is important because it

A. Provide good test for profound local anesthesia
B. Allows the beaks of the forceps to grasp the root surface more apically
C. Prevents laceration of the soft tissue during extraction
D. All of the above

28- elevator has left and right (mesial and distal) and straight
A. Cryer’s
B. Straight
C. Apexo
D. Winter’s

29- wedging mechanical principle is the main principle used by

A. War-wick James elevators
B. Coupland’s chisel
C. Cryer’s
D. Apexo

30- trismus is one of the contraindication of wisdom teeth extraction

A. True
B. False

31- the extraction movements are

A. outward-inward & downward
B. Outward-upward & rotation
C. Inward-upward & downward
D. Outward-inward & rotation

31-rotational movement is considered secondary when used to extract

A. Multi-rooted teeth
B. Upper central incisor
C. Lower 2nd premolar
D. Lower central incisor
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32- the margins of the dental forceps beak should be sharp in order to
A. Create a point of application
B. Cut through the tooth
C. Cut through the attached gingiva and periodontal ligaments
D. Provide good support for alveolar

33- after tooth extraction, the patient is instructed not to consume solid food in order not to
disrupt the new blood clot
A. True
B. False

34-the site on the root at which force must be applied to effect delivery is called
A. Center of rotation
B. Line of withdrawal
C. Point of application

35- any tooth resistant to normal extraction force by extraction forceps should be extracted
by
A. Dental elevators
B. Bayonet forceps
C. Surgical burs and hand piece
D. Chisel and mallet
E. Bone nibble

36- the main difference between coupland’s chisel & straight elevator is
A. Straight elevator has a round end
B. Straight elevator cut bone
C. Coupland’s chisel does’t cut bone
D. Coupland’s chisel has a round end

37-the extraction of deciduous teeth done by

A. Coupland’s chisel
B. Cryer’s elevators
C. Apexo elevators
D. Warwick James elevators

38- the elevator that has a triangular blade and doesn’t use in extraction of lower third
molar is
A. Coupland’s chisel
B. Cryer’s elevators
C. Winter’s elevator
D. Warwick elevators

39- the adjacent tooth should never use as fulcrum unless

A. It’s strong tooth
B. The dentist had good support
C. It’s going to be extracted

40- Howarth mucoperiosteal elevator can be used for other function beside elevating a ab
A. True
B. False
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41- if point of application is not available, it can be created using a straight elevator
A. True
B. False

42-maxillary 3rd molar can be extracted using upper forceps straight elevator and warwick
James elevator
A. True
B. False

43-maxillary molar forceps have two bends in their design in order to accommodate the
buccal bifurcation
A. True
B. False

44- dental elevators are not used when

A. The accused tooth is graspable
B. The accused tooth is tender to percussion
C. The accused tooth is multi-rooted
D. The accused tooth is a retained root with it’s margin located sub-ginivaly

45- straight elevator ended with sharp projected end

A. True
B. False

46- which of the following instrument use to remove of small apical root
A. Allis forceps
B. Cryer elevator
C. Periosteal elevator
D. Rouger forceps

47-tooth in maxillary sinus can be removed use

A. Akinosi
B. Cald well
C. Gow gate

48- mechanical principle of uses elevator

A. Wheel principle
B. Wedge principle
C. Lever principle
D. All of the above

49- point of application is the site on the root at which force must be applied to the effector
tooth
A. True
B. false

50- parts of elevators are handle, blade and shank

A. True
B. False
51- all of the following are signs except
A. Swelling
B. Bleeding
C. Paresthesia
D. Scar

52-the characteristic of pain is important because it

A. Helps in reaching proper diagnosis
B. Helps to locate the site of pain
C. Helps in ruling out systemic diseases of medical history
D. Helps in precisely point out the onset of pain

53- which of the following is not a vital sign

A. Pulse rate
B. Temperature
C. Blood pressure
D. Blood glucose

54- one of the following is not included in extra-oral examination

A. Oral hygiene
B. Salivary glands
C. Facial symmetry
D. TMJ

55-it’s better to ask leading question during history taking from the patient to ammke it
clearer and faster
A. True
B. False

56- H.P.I is all about

A. The complication that happened in previous dental visits
B. The presence of TMJ clicking
C. The patients’ biographical information
D. The story of his/her complaint

57- routine clinical examination procedure includes all the following except
A. Palpation
B. Percussion
C. Inspection
D. Radiograph

56- past dental history may reveal pervious complications such as

A. Bleeding
B. Abnormal colored of sclera
C. Hypotension
D. Lymphadenopathy

57- referred pain means

A. Sharp stabbing pain
B. Long standing pain
C. Radiated pain
D. Frequency pain (chronic, dull pain)
58- diagnostic instruments include
A. Dental mirror, probe, tweezer in kidney dish
B. Dental mirror, probe, hemostat in kidney dish
C. Dental mirror, probe, forceps in kidney dish
D. Dental mirror, probe, elevator in kidney dish

59- radiographic examination in the oral surgery

A. Aids in the diagnosis of boney lesion
B. For post-operation follow up of surgically treated cases
C. Reconstructive planning
D. All of the above

60- the true following statements related to aspiration in oral surgery except
A. To do suggested diagnosis
B. To know nature of the lesion and aid in diagnosis of the lesion
C. A sort of histological and hematological examination
D. Part of clinical examination method

61-the method of clinical examination in sequence

A. Percussion, probing, auscultation, inspection
B. Inspection, auscultation, probing, percussion
C. Inspection, palpation, percussion, auscultation
D. None of the above

62- yellow discoloration

A. Sign
B. Symptom
C. Sign and symptom
D. None of the above

63- the hinge joint of extraction forceps is beveled so that it wouldn’’t

A. Fracture of the crown
B. It’s effect the vision of operator
C. Pinch the patient’s lip
D. Collect debris and bacteria

64- operator stand in front of patient when extract

A. Mandibular right 2nd molar
B. Maxillary left 1st molar
C. Mandibular left 2nd molar
D. Mandibular right 1st permolar

65- When maxillary tooth is being extracted the chair should adjusted so that the site of the
operation is about
A. 16 cm below the operator’s shoulder
B. 16 cm below the operator’s elbow
C. 16 cm above the operator’s elbow
D. At the operator’s shoulder
66- the hing joint of dental forceps should be beveled to avoid pinching the operator’s
hand
A. True
B. False

67- if you were left-handed, you should stand behind the patient when extracting
A. Lower right lateral incisors
B. Upper left premolar
C. Lower right molars
D. Lower left premolars

68- during extraction, the supporting hand used to support the buccal alveolar bone so that
A. The accused tooth is extracted faster
B. The cheek does not get trapped by the forceps beaks
C. Provides tactile feedback regarding the expansion of the bone
D. It reduces bleeding of the gums by applying pressure

69- after extraction patient can use hot uid directly

A. True
B. False

70-all diagnosis, the operator located at the right side of the patient
A. True
B. False

71- when examine the patient stand always at the right side of the patient
A. True
B. False

72- when extraction of maxillary teeth the operator located at right side
A. True
B. False
fl
 ‫م مذكور باملالزم انو اكو ‪ drug‬يصيرله ‪ metabolism‬بالدم و بالكبد‬
‫بس ممكن يكون الجواب ‪ articaine‬الن هذا املركب بي ‪ ester‬و ‪amide linkages‬‬

‫م متأكده‬
 ‫م متأكده بس هو الي ما بي ‪vasoconstrictor‬‬
‫ميسوي ‪ burning sensation‬قوي الن ال‪acidity‬‬
‫مالته اقل تصير‬
‫اذا ال‪ MSA‬م موجود‪ ،‬ياخذ مكانه‬
‫ال‪ PSA‬او ال ‪ASA‬‬
‫بس اكثر شي ال‪ASA‬‬
‫ماعرف‬
for extraction of teeth with conical straight roots
(upper central incisors and lower second premolars)
 ‫وال واحد !‬
‫السؤال اذا جان سائل عن ال‪ mandibular‬فه حيكون الخيار‬
‫الثاني صحيح‬
‫ممكن هذا الجواب‬
‫م متأكده‬