CDT Occlusion & Articulation

Question 1

How is centric occlusion defined in dental terminology?

Accepted Answer

The position of maximum intercuspation of opposing teeth

Answer

Centric occlusion is the position of maximum intercuspation where opposing teeth fit together with the greatest number of tooth contacts.

Question 2

What is the primary purpose of a face-bow transfer in dental prosthetics?

Accepted Answer

To relate the maxillary cast to the hinge axis of the articulator

Answer

A face-bow transfer records the spatial relationship of the maxillary arch to the temporomandibular joint hinge axis so the upper cast can be correctly mounted on the articulator.

Question 3

Which type of articulator is capable of replicating all three-dimensional mandibular movements?

Accepted Answer

Fully adjustable articulator

Answer

A fully adjustable articulator can be programmed with individualized condylar settings obtained from pantographic records to replicate all mandibular movements.

Question 4

What is balanced occlusion as it applies to complete dentures?

Accepted Answer

Simultaneous bilateral tooth contacts in centric and all eccentric positions

Answer

Balanced occlusion in complete dentures requires simultaneous bilateral tooth contacts in centric and all eccentric positions to stabilize the denture bases and prevent tipping.

Question 5

What is the accepted definition of centric relation?

Accepted Answer

The musculoskeletally stable position of the condyles in the glenoid fossae

Answer

Centric relation is the musculoskeletally stable position where the condyles are in the most superoanterior position against the articular eminences with the discs properly interposed.

(CDT) Certified Dental Technicians Practice Test

(CDT) Certified Dental Technicians Practice Test

CDT Occlusion & Articulation