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Dental General be865437

Which of the following is a feature of Class I type 3 malocclusion?

A
Posterior crossbite
B
Anterior crossbite
C
Mesial drifting of molars
D
Protrusion of mandibular incisors
High-Yield Explanation
Dewey (1915) divided Angle’s class I into five types and Angle’s class III into three types. There were no modifications for class II. He considered the same molar relationship as in Angle’s classification. Modifications of class I malocclusion Type I - Crowded anterior teeth Type II - Maxillary incisors in labioversion Type III - Anterior cross-bite Type IV - Posterior cross-bite Type V - Molars are in mesioversion due to shifting following loss of a tooth anterior to the first molars; all other teeth are in a normal relationship. Reference: Orthodontics: Diagnosis and Management of Malocclusion and Dentofacial Deformities 3rd O P Kharbanda, pdf no 333

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