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 (C)</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 (B)</p> Signup and view all the answers

What defines Class II Division 1 malocclusion?

<p>Protrusion of maxillary incisors (A)</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 (A)</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 (B)</p> Signup and view all the answers

What is the primary focus of Angle’s classification?

<p>Molar relationships (D)</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 (C)</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' (B)</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 (B)</p> Signup and view all the answers

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