Developmental Abnormalities Zhang Qi Wuhan University School of Stomatology
School of Developmental Abnormalities of Teeth Zhang Qi Wuhan University School of Stomatology
Classification >Anomalies of number >Anomalies of size > Anomalies of Shape >Anomalies of structure >Anomalies of color
School of Classification ➢Anomalies of Number ➢Anomalies of Size ➢Anomalies of Shape ➢Anomalies of Structure ➢Anomalies of Color
Anomalies of number 1. Anodontia: a complete a bsence of one or both dentition 2. Hypodontia(partial anodontia): a deficiency in tooth number 3. Hyperdontia (Supernumerary Teeth) an excess in tooth number. a. Mesiodens b. Distomolar
School of Anomalies of Number 1. Anodontia: a complete absence of one or both dentition. 2. Hypodontia (partial anodontia): a deficiency in tooth number. 3. Hyperdontia (Supernumerary Teeth): an excess in tooth number. a. Mesiodens b. Distomolar
净& Mesiodens
School of Mesiodens
Anomalies of size 1. Microdontia 2. Macrodontia
School of Anomalies of Size 1. Microdontia 2. Macrodontia
Anomalies of Shape 1. Gemination 2. Fusion 3. Concrescence 4. Dilaceration 5. Enamel Pearl(enameloma) 6. Talon Cusp 7. Taurodontism 8. Dens in Dente(dens invaginatus) 9. Dens Evaginatus 10.Supernumerary Roots 11. Hypercementosis
School of Anomalies of Shape 1. Gemination 2. Fusion 3. Concrescence 4. Dilaceration 5. Enamel Pearl (enameloma) 6. Talon Cusp 7. Taurodontism 8. Dens in Dente (dens invaginatus) 9. Dens Evaginatus 10.Supernumerary Roots 11.Hypercementosis
Gemination The partial development of two teeth from a single tooth bud following incomplete division. An incomplete division of a single tooth bud resulting in a bifid crown with a single pulp chamber
School of Gemination The partial development of two teeth from a single tooth bud following incomplete division. An incomplete division of a single tooth bud resulting in a bifid crown with a single pulp chamber
Gemination
School of Gemination
fusion The dentinal union of two embryologically developing teeth Fused teeth can contain two separate pulp chamber, may appear as large bifid crowns with one chamber
School of The dentinal union of two embryologically developing teeth. Fused teeth can contain two separate pulp chamber, may appear as large bifid crowns with one chamber. Fusion
Fusion
School of Fusion