Supernumerary Teeth

What are supernumerary teeth?

• Missing teeth

• Extra teeth

• Discolored teeth

• Misaligned teeth

Supernumerary teeth may result from the formation of extra tooth buds in the dental lamina or from the cleavage of already existing tooth buds.

• True

• False

Supernumerary teeth may occur in either _______ or permanent dentition.

• deciduous

• mixed

• primary

• transitional

Where are supernumerary teeth most often seen?

• Mandible

• Maxilla

• Palate

• Tongue

Refer to the images labeled A and B. What do these images demonstrate about supernumerary teeth?

• They demonstrate the clinical and radiographic appearance of extra teeth (supernumerary teeth).

• They show the normal eruption pattern of permanent teeth.

• They illustrate the effects of tooth decay on primary teeth.

• They depict the process of orthodontic tooth movement.

What is the most common supernumerary tooth?

• Distomolar

• Mesiodens

• Canine

• Premolar

Where is the mesiodens typically located?

• Between the maxillary incisors

• Distal to the third molar

• Between the canines

• In the lower jaw

The mesiodens may be inverted when seen on radiographs.

• True

• False

What is the second most common supernumerary tooth?

• Mesiodens

• Distomolar

• Canine

• Premolar

Distomolar is located ________ to the third molar.

• distal

• mesial

• buccal

• lingual