Skeletal Occlusion Abnormalities

Skull Types
Mandibular Distocclusion
Mandibular Mesiocclusion
Other Skeletal Occlusion Abnormalities
Wry Bite (MAL/WRY)
Normal Canine Position
Genetic Conditions

Skull Types

Mandibular Distocclusion

Mandibular distocclusion occurs when the mandible is caudal to its normal relationship with the maxilla.

Canine

Feline

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Mandibular Mesiocclusion

Mandibular mesiocclusion occurs when the maxillary incisors occlude caudal to the mandibular incisors.

Canine

Feline

Canine

Mandibular gingival ulceration from maxillary incisors

Other Skeletal Occlusion Abnormalities

Canine level bite

Canine open bite

Canine caudal crossbite

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Wry Bite (MAL/WRY)

Wry bite is a condition where one or more of the jaw quadrants are out of proportion to the other three, causing a deviation from the midline.

Mature canine

Immature canine

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Normal Canine Position

Canine

Canine

Feline

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Genetic Conditions

Some orthodontic abnormalities are genetic. Others are not. Normally the mandibular canine should be positioned perfectly between the maxillary third incisor and canine.

Normal cheek teeth position

Normal interdigitation of check teeth

Excessive freeway space – genetic defect

Abnormal interdigitation genetic malocclusion and posterior crossbite

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