Classifications of Articulators in Dentistry
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Questions and Answers

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

  • 20˚ - 25˚ from horizontal
  • 10˚ - 15˚ from horizontal (correct)
  • 25˚ - 30˚ from horizontal
  • 5˚ - 10˚ 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</p> Signup and view all the answers

    What type of articulator accepts eccentric inter-occlusal records?

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

    What is the main characteristic of Class I articulators?

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

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

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

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

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

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