Angle's Classification Method Quiz

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Questions and Answers

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?

Distocclusion

What condition is described by Class III?

Mesiocclusion

Class II can also have a subtype known as ______ Division 1.

Division 1 Signup and view all the answers

Match the following Class types with their descriptions:

Class I = Neutrocclusion Class II = Distocclusion Class III = Mesiocclusion Signup and view all the answers

What is the URL for more information on Angle's classification?

<a href="http://orthocorner.blogspot.com/2010/05/angle-classification-today-and-post.html">http://orthocorner.blogspot.com/2010/05/angle-classification-today-and-post.html</a> Signup and view all the answers

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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.