Midface Retrusion

Definition:

Subjective: Posterior positioning and/or vertical shortening of the infraorbital and perialar regions, or increased concavity of the face and/or reduced nasolabial angle

Comments:

This term represents underdevelopment of the maxilla (upper jaw) in length (decreased midface height) or depth (retrusion of the maxilla). In the presence of normal mandible size, midface retrusion may give the appearance of prognathism. Caution should be used in making this assessment in edentulous patients. This is different from a Flat face.

Replaces:

• Midface Hypoplasia

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