Occlusion

Question 0

One advantage specific to cusp to marginal ridge occlusion is that it:

Answer 0

Helps to maintain stability if a tooth is lost

Question 1

What are three advantages of a cusp to fossa relationship?

Answer 1

1. Better directs forces down the long axis of the tooth, 2. Better stability of teeth in the dental arch, 3. Reduces food impaction

Question 2

The mesial contact on a maxillary central is:

Answer 2

Near the junction of the incisal and middle thirds

Question 3

The purpose of a centrically balanced occlusal closure is to:

Answer 3

Have contacts made simultaneously and with equal force

Question 4

In class 1 occlusion where does the buccal cusp of the mandibular first molar occlude?

Answer 4

The central fossa of the maxillary first molar

Question 5

True or false: maxillary molar cusps will usually contact the mandibular molar lingual cusps in natural dentition

Answer 5

False: they usually do not contact the mandibular molar.