1.microdontia

1. Microdontia

2. General information Refers to teeth that are smaller than normal Transmitted as an autosomal dominant with incomplete penetrance

3. Types True generalised –All the teeth are smaller than normal. It occurs in pituitary dwarfism, Downs syndrome and congenital heart disease. Related generalised – normal or slightly smaller than normal teeth. It is hereditary. spacing between the teeth Localised – involves only single tooth. Congenital heart diseases, Downs syndrome and progeria

4. Clinical features Affected teeth are maxillary lateral incisors and third molars Peg shaped lateral in which the mesial and distal sides converges or Taper incisally .

5. Radiographic features Radiographs will permit evaluation of size of both erupted and non-erupted teeth

6. Diagnosis Looking at the size of tooth clinically can be easily made

7. Management Crown and bridge work is required for aesthetic rehabilitation of teeth