This is a sequel to DENTIST IN THE CHAIR (1960), which I haven't watched; excerpts from the opening sequence were memorably featured as a gag at the start of the "Special Edition" DVD of MONTY PYTHON AND THE HOLY GRAIL (1975)!
The film is no classic, but harmless and certainly palatable for what it is dealing with the invention and promotion of a new brand of toothpaste and going from a college to a factory, a TV studio and ending with a commercial being broadcast from space! It was possibly inspired by the popular "Doctor" series of which I've yet to catch any entry though in style it may actually be closer to the "Carry Ons", with a number of mild double entendres and two stalwart members from that series in the cast i.e. Kenneth Connor and guest star Charles Hawtrey.
Nominal star Bob Monkhouse is okay, but his repertory doesn't seem to be particularly distinctive; in fact, it's Connor who steals the show as an ex-con who's made to act as a door-to-door salesman for the new product (and faring disastrously at the task) and even impersonates an American senator at the climax! Future Bond girl Shirley Eaton provides the eye-candy as the actress promoting the old toothpaste and who joins Monkhouse & Co. in their scheme to make their own superior brand. The supporting cast includes such familiar faces as Richard Wattis and Reginald Beckwith.
