INBDE Prosthodontics and Occlusion

Question 1

Centric relation (CR) is best defined as:

Accepted Answer

The most superior, anterior position of the condyles in the glenoid fossae

Answer

The position of maximum intercuspation of the teeth

Answer

The most retruded position of the mandible

Answer

The habitual closure position of the mandible

Question 2

Canine-protected occlusion refers to:

Accepted Answer

The canines bearing all lateral excursive contacts while posterior teeth disclude

Answer

Equal distribution of forces on all teeth in lateral excursion

Answer

Group function on both working and balancing sides

Answer

Immediate posterior disclusion via the anterior teeth

Question 3

The Bonwill triangle in prosthodontics represents:

Accepted Answer

The relationship between condyles and the incisors forming an equilateral triangle

Answer

The path of condylar movement in protrusion

Answer

The angle of the eminence to the Frankfurt horizontal

Answer

The cusp height formula for posterior teeth

Question 4

A facebow transfer records the relationship of:

Accepted Answer

Maxillary arch to the transverse hinge axis of the condyles

Answer

Upper teeth to lower teeth in centric occlusion

Answer

Mandible to the Frankfurt horizontal plane

Answer

Vertical dimension of occlusion to rest position

Question 5

The closest speaking space refers to:

Accepted Answer

The closest vertical relationship of upper and lower teeth during speech

Answer

Freeway space (interocclusal distance)

Answer

The distance between the lips at rest

Answer

Occlusal vertical dimension

Question 6

Residual ridge resorption after tooth extraction follows a pattern that is:

Accepted Answer

Greater in the mandible in all dimensions

Answer

Equal in maxilla and mandible

Answer

Greater in the maxilla vertically, greater in the mandible horizontally

Answer

Ceases after 6 months post-extraction