1. ABNORMALITIES of TEETH

2. Abnormalities of Teeth
Environmental abnormalities of teeth
Developmental abnormalities of teeth

3. Environmental alterations of teeth
Developmental tooth defects
Postdevelopmental structure loss
Discolorations of teeth
Localized disturbances in eruption

4. Visible environmental enamel defects can be classified into one of three patterns:
Hypoplasia
Diffuse opacities
Demarcated opacities

5. Factors associated with tooth defects

6. Environmental effects on tooth structure development
Turner hypoplasia
Molar-Incisor hypomineralization
Hypoplasia caused by antineuplastic therapy
Dental fluorosis
Syphlititic hypoplasia

7. Post developmental loss of tooth structure
Attrition
Abrasion
Erosion
Abfraction

8. Internal resorption
Exteranal resorption

9. Environmental discoloration of teeth

10. Environmental discoloration of teeth
Extrinsic stains
Intrinsic stains

11. Localized disturbances in eruption
Impaction
Ankylosis

12. Developmental alterations of teeth

13. Developmental alterations in the number of teeth
Anodontia
Hypodontia
Oligodontia
Hyperdontia
Supernumerary teeth
Supplemental
Rudimentary

14. Developmental alterations in the size of teeth
Microdontia
macrodontia

15. Developmental alterations in the shape of teeth
Gemination
Fusion
Concrescence
Accessory cusps
Cusp of carabelli
Talon cusp
Dense evaginatus

16. Dense invaginatus(dense in dente)
Type I
Type II
Type III
Ectupic enamel
Enamel pearls
Cervical enamel extentions
Taurodontism
Hypercementation
Dilaceration
Supernumerary roots

17. Developmental alterations in the structure of teeth
Amelogenesis imperfecta
*Hypoplastic Amelogenesis Imperfecta
Generalized pattern
Localized pattern
Autosomal dominant smooth pattern
X-linked smooth pattern
Rough pattern
Enamel agenesis

18. *Hypocalcified Amelogenesis Imperfecta
*Hypomaturation Amelogenesis Imperfecta
Pigmented pattern
X-linked pattern
Snow capped pattern
*Hypocalcified Amelogenesis Imperfecta
*Amelogenesis Imperfecta with Taurodontism
Hypomaturation-hypoplastic
Hypoplastic-hypomaturation

19. Dentinigenesis imperfecta
Hereditary opalescent dentin (type I)
Brandywine isolate (Type II)
Dentin dysplasia
Dentin dysplasia type I
(radicular dentin dysplasia-rootless teeth)
Dentin dysplasia type II
(coronal dentin dysplasia)
Regional odontodysplasia (ghost teeth)

20. THANKS FOR YOUR ATTENTION