EXERCISE 60 



I Problem. To find the condition of my own teeth. 

 What to use. Small hand mirror to go into mouth ; larger mirror ; diagram of complete set of teeth. 

 What to do. Examine all your teeth with the two mirrors; indicate, on diagram all the incisors, 

 canines, premolars, and molars. 



Record. Locate the approximate position of any cavity by an arrow ( >). If any of your teeth are 

 missing, shade the corresponding part of the diagram (). Mark position of loose or broken teeth with a X. 



Questions. 1. (a) How many teeth are there in a full and complete set? (b) How many (unshaded) 

 teeth does your diagram show ? (c} Account for the lack of any teeth. 



2. Did your teeth seem to be properly cleaned of (a) particles of food, (&) a hard deposit, called tartar ? 



3. Suggest motion of toothbrush application that will (a) remove particles of food and (b} clean the 

 surface of the teeth. 



4. How can tartar be removed ? 



5. Recommend course of action to be followed as a result of the study and record made in this exercise. 



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