Classifications of Articulators in Dentistry
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Questions and Answers

What is the average incisal guidance angle in Class II articulators?

  • 20Ëš - 25Ëš from horizontal
  • 10Ëš - 15Ëš from horizontal (correct)
  • 25Ëš - 30Ëš from horizontal
  • 5Ëš - 10Ëš from horizontal

By what is the maxillary cast related to the articulator condyle in Class II articulators?

  • Hanau's formula
  • Bolton's ratio
  • Bonwill's triangle (correct)
  • Face bow

What allows for hinge movement in articulators?

  • Protrusive and lateral movements
  • Fixed condylar path articulators
  • A single inter-occlusal record (correct)
  • Class I articulators

What is the name of the angle between Bonwill's triangle and the occlusal plane?

<p>Bolkwill's angle (D)</p> Signup and view all the answers

What type of articulator accepts eccentric inter-occlusal records?

<p>Class III articulator (C)</p> Signup and view all the answers

How is the lateral condylar guidance (L) adjusted in semi-adjustable articulators?

<p>According to Hanau's formula (A)</p> Signup and view all the answers

What is the primary difference between ARCON and Non-ARCON type articulators?

<p>The location of the condyle attachment (D)</p> Signup and view all the answers

What is the main characteristic of Class I articulators?

<p>They accept single inter-occlusal records (D)</p> Signup and view all the answers

What type of articulator is characterized by a hinge and a posterior screw to adjust the vertical stop level?

<p>Plain line or simple hinge articulator (B)</p> Signup and view all the answers

Which of the following articulators is classified as a 'Fixed condylar path articulator'?

<p>Class II articulator (A)</p> Signup and view all the answers

What is the primary purpose of a face bow transfer in articulators?

<p>To record the centric relation (B)</p> Signup and view all the answers

Which of the following articulators is classified as a 'Simple holding instrument'?

<p>Plaster slab relator (B)</p> Signup and view all the answers

What type of articulator allows for the adjustment of horizontal, right, and left condylar guidance based on patient records?

<p>Class III adjustable condylar path articulator (A)</p> Signup and view all the answers

Which of the following articulators does NOT allow for adjustment of the condylar path?

<p>Class I hinge articulator (A)</p> Signup and view all the answers

What is the purpose of the face bow in mounting dental casts to articulators?

<p>To relate the maxilla to the condyles (C)</p> Signup and view all the answers

What is the primary function of the incisal pin in the Bonwill’s triangle mounting technique?

<p>To position the incisal edge of the upper cast (A)</p> Signup and view all the answers

What is the purpose of trimming the maxillary cast during the mounting process?

<p>To create space for mounting plaster (D)</p> Signup and view all the answers

What is the alternative method of mounting the maxilla when using the Bonwill’s triangle technique?

<p>Using the occlusal plane guide (A)</p> Signup and view all the answers

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