Regional odontodysplasia is an uncommon developmental abnormality of teeth, usually localized to a certain area of the mouth.

Permanent teeth usually show effects of regional odontodysplasia if the deciduous tooth was affected.

Many of these teeth do not erupt, and those that do have an increased risk of caries and periapical inflammation.

Treatment and prognosis are usually based upon keeping these teeth and preserving the alveolus.

For erupted teeth, endodontics is an option if the tooth is devitalized and restorable.