Learning Center

Microdontia

Author :

Trishul Allareddy BDS, MS
Diplomate of ABOMR Clinical Professor and Director of Oral and Maxillofacial Radiology
veeratrishul-allareddy@uiowa.edu

Size

  • Teeth may show variations in size in that they may be
    1. Small - Microdontia
    2. Large - Macrodontia
  • In general males have larger teeth than females
  • Individual teeth may also exhibit variations in that they may be small or large

Microdontia

  • Microdontia refers to smaller teeth than normal
    1. Generalized: affect the entire dentition
    2. Localized: affects one or few teeth
  • Generalized cases are rare
  • The maxillary lateral incisors or the third molars are the teeth which are most commonly affected
  • Supernumerary teeth often tend to be microdonts with altered morphology

Clinical and Radiographic features

  • The individual tooth is smaller than the adjacent teeth and may have normal morphology, however occasionally they might exhibit alterations in the overall morphology of the tooth

Microdontia
Example 1

Microdontia
Example 2

Microdontia
Example 3

Microdontia
Example 4

Microdontia
Example 5

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