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Dental General d998366a

A 25 year old male patient complains of frequent cheek biting. According to Dewey’s modification of Angle’s Class I malocclusion, which category would the malocclusion displayed by the patient be classified as?

A
Type 1
B
Type 3
C
Type 4
D
Type 5
High-Yield Explanation
Dewey modified Angle’s Class I and III malocclusion by segregating malposition of anterior and posterior segments. CL I:  Type 1: Crowding of maxillary anterior teeth Type 2: Proclined maxillary incisors Type 3: Maxillary incisors are in crossbite Type 4: Posterior cross-bite Type 5: Mesial drift of molars CL II : (No modifications) CL III:  Type 1: Edge to edge bite. Type 2: Crowded mandibular incisors and lingual to maxillary incisors. Type 3: Underdeveloped crowded maxillary arch and a well developed mandibular arch. Ref: Kharbanda OP. Orthodontics: Diagnosis of & Management of Malocclusion & Dentofacial Deformities. 3rd edition page 333 Image: Montaruli G, Laurenziello M, LO RUSSO L, Chimenti C, LO MUZIO L, Ciavarella D. Bilateral or Unilateral Cross-Bite Treatment with Nickel Titanium Palatal Expander (NPE-2) in Young Adults.

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