18 Questions
What is the average incisal guidance angle in Class II articulators?
10˚ - 15˚ from horizontal
By what is the maxillary cast related to the articulator condyle in Class II articulators?
Bonwill's triangle
What allows for hinge movement in articulators?
A single inter-occlusal record
What is the name of the angle between Bonwill's triangle and the occlusal plane?
Bolkwill's angle
What type of articulator accepts eccentric inter-occlusal records?
Class III articulator
How is the lateral condylar guidance (L) adjusted in semi-adjustable articulators?
According to Hanau's formula
What is the primary difference between ARCON and Non-ARCON type articulators?
The location of the condyle attachment
What is the main characteristic of Class I articulators?
They accept single inter-occlusal records
What type of articulator is characterized by a hinge and a posterior screw to adjust the vertical stop level?
Plain line or simple hinge articulator
Which of the following articulators is classified as a 'Fixed condylar path articulator'?
Class II articulator
What is the primary purpose of a face bow transfer in articulators?
To record the centric relation
Which of the following articulators is classified as a 'Simple holding instrument'?
Plaster slab relator
What type of articulator allows for the adjustment of horizontal, right, and left condylar guidance based on patient records?
Class III adjustable condylar path articulator
Which of the following articulators does NOT allow for adjustment of the condylar path?
Class I hinge articulator
What is the purpose of the face bow in mounting dental casts to articulators?
To relate the maxilla to the condyles
What is the primary function of the incisal pin in the Bonwill’s triangle mounting technique?
To position the incisal edge of the upper cast
What is the purpose of trimming the maxillary cast during the mounting process?
To create space for mounting plaster
What is the alternative method of mounting the maxilla when using the Bonwill’s triangle technique?
Using the occlusal plane guide
Test your knowledge of articulators in dentistry, including their classifications, adjustments, and capabilities. Learn about condylar guidance, incisal guidance, and more!
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