Application of nomenclature. Tooth numbers l1 to L8 indicating left maxillary teeth. Tooth surfaces related to the tongue (lingual), cheek (buccal), lips (labial), and face (facial), apply to four quadrants and the upper left quadrant. The teeth or their parts or surfaces may be described as being away from the midline (distal) or toward the midline (mesial). Dental Forceps Names, Dental Assistant Tooth Surfaces, Dental Assistant Study Guide Tools, Choosing Dental Equipment, Dental Assistant Study Guide, Dental Charting, Dental Assistant School, Dental Pictures, Dental Assistant Memes