Malocclusion

Definition: Malocclusion may be defined as a condition where there is departure from the normal relation of the teeth to the other teeth in the same dental arch or to teeth in the opposing arch.

Classification of malocclusion

Based on intra-arch & inter-arch malocclusions (A) INTRA-ARCH MALOCCLUSIONS

(1) Saggital problems - labioversion

- linguoversion- mesioversion- distoversion

(2)Vertical problems - supraversion

- infraversion

(3) Rotated teeth

(4)Transposition of teeth

Classification of malocclusion

(B) INTER-ARCH MALOCCLUSIONS

(1) Saggital :- Class II malocclusion- Class III malocclusion

(2) Transverse - crossbites,scissor bite

-Midline shift

(3)Vertical- Deep bite

- Open bite

Classification of malocclusion

ANGLE’S CLASSIFICATION OF MALOCCLUSION

malocclusion

Class I malocclusion

Class II malocclusion

Class III malocclusion

- Division I- Division II- Sub-division

- True class III- Pseudo class III-Subdivision