Fig. 1.1 illustrates four kinds of human teeth, A, B, C and D.
Fig. 1.2 below illustrates how the teeth are arranged in the lower jaw of a human.
(a)[6]
Complete Fig. 1.2 to show the following for each of the two types of teeth indicated:
• the identity of each type of tooth by writing the correct letter A, B, C or D from Fig. 1.1
• the name of each type of tooth
• one function of each type of tooth.
(b(i))[2]
State the reasons for dental decay.
(b(ii))[2]
Describe how teeth should be cared for properly.
Worked solution & mark scheme
This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “B is an incisor.” …