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Questions and Answers
What is the classification for normal molar relationship with potential other teeth problems?
What is the classification for normal molar relationship with potential other teeth problems?
- Class III
- Class I (correct)
- Class II
- Class IV
What is Class II in Angle's classification?
What is Class II in Angle's classification?
Distocclusion
What condition is described by Class III?
What condition is described by Class III?
Mesiocclusion
Class II can also have a subtype known as ______ Division 1.
Class II can also have a subtype known as ______ Division 1.
Match the following Class types with their descriptions:
Match the following Class types with their descriptions:
What is the URL for more information on Angle's classification?
What is the URL for more information on Angle's classification?
Flashcards
Class I Occlusion
Class I Occlusion
Normal molar relationship, but with potential issues elsewhere in the mouth.
Class II: Distocclusion
Class II: Distocclusion
Mandibular teeth are posterior to their normal position relative to the maxillary teeth.
Class III: Mesiocclusion
Class III: Mesiocclusion
Mandibular teeth are anterior to their normal position relative to the maxillary teeth.
Class II, Division 1
Class II, Division 1
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Study Notes
Angle's Classification Method
- Class I: Neutrocclusion
- Normal molar relationship according to the maxillary first molar.
- Presenting conditions may include spacing, crowding, over eruption, or under eruption of other teeth.
Class II: Distocclusion
- Defined by upper molars positioned anteriorly to the mesiobuccal groove.
- Mesiobuccal cusp commonly rests between the first mandibular molars and second premolars.
- Subtypes:
- Class II Division 1: Protruded anterior teeth with the same molar relationships as Class II.
- Class II Division 2: Central incisors are retroclined, with lateral teeth overlapping the centrals.
Class III: Mesiocclusion
- Upper molars are positioned posteriorly to the mesiobuccal groove.
- Mesiobuccal cusp of maxillary first molar lies behind the mandibular first molar's mesiobuccal groove.
- Characterized by lower front teeth being more prominent than upper front teeth.
- Often associated with patients having a large mandible or a short maxillary bone.
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