Lecture 5 - Articulators

Question 1

What is an articulator?

Answer 1

A mechanical instrument that represents the temporomandibular joints and jaws, to which maxillary and mandibular casts may be attached to simulate some or all mandibular movements

Question 2

3 types of articulators

Answer 2

1. Non-adjustable articulator
2. Semi Adjustable Articulator
3. Full Adjustable articulator

Question 3

2 versions of a semi adjustable articulator

Answer 3

Arcon

Non-Arcon

Question 4

What is a non-adjustable articulator

Answer 4

a simple holding instrument capable of accepting a single static registration
- Vertical motion is possible

Question 5

What is a semi-adjustable articulator

Answer 5

simulates condylar pathways by using averages or mechanical equivalents for all or part of the motion.
- Allow for orientation of the cast relative to the joints and may be arcon or non-argon instruments

Question 6

What is an Arcon articulator?

Answer 6

an articulator that maintains anatomic guidelines by the use of condylar analogs in the mandibular element and fossa assemblies in the maxillary element

Question 7

What is a Non-Arcon articulator?

Answer 7

Instrument that stimulates mandibular movement where the condyle analog is attached the mandibular member of the instrument