DHS- Ortho- Malocclusion
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Questions and Answers

What is the Angle classification of malocclusion based on?

  • Alignment of central incisors
  • Anteroposterior relationship of dental arches
  • Relationship of first molars (correct)
  • Canine relationship

    • According to Angle's classification, what defines Class I malocclusion?

  • Posterior crossbite
  • Protrusion of the maxillary incisors
  • Mesiobuccal cusp of the maxillary first permanent molar lies in the buccal groove of the mandibular first permanent molar (correct)
  • Lingual positioning of the mandibular canines

    • What is the drawback of Angle's Classification?

  • It focuses only on molar relationships (correct)
  • It does not consider incisor alignment
  • It lacks clarity in defining canine relationships
  • It does not address vertical discrepancies

    • Which relationship is considered the 'key to occlusion' in Angle's classification?

    <p>Maxillary first permanent molar</p> Signup and view all the answers

    What is the main focus of The British Standards Institute’s classification of incisor relationship?

    <p>Division of incisor relationships into Division I and Division II</p> Signup and view all the answers

    What defines Class II Division 1 malocclusion?

    <p>Protrusion of maxillary incisors</p> Signup and view all the answers

    What is considered the 'key to occlusion' in The British Standards Institute’s classification of incisor relationship?

    <p>Maxillary central incisors</p> Signup and view all the answers

    What is the significance of the mesiobuccal cusp of the maxillary first permanent molar in Angle's classification?

    <p>It determines the Class I relationship</p> Signup and view all the answers

    What is the primary focus of Angle’s classification?

    <p>Molar relationships</p> Signup and view all the answers

    What does Class II malocclusion signify in Angle's classification?

    <p>Distal relationship of the mandibular first molar to the maxillary first molar</p> Signup and view all the answers

    What is the role of the maxillary first permanent molar in malocclusion classification?

    <p>It is considered the 'key to occlusion'</p> Signup and view all the answers

    What is the primary concern of The British Standards Institute’s classification of incisor relationship?

    <p>Division of incisor relationships into Division I and Division II</p> Signup and view all the answers

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