Welcome to Indian Dental Academy The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats. Indian dental academy has a unique training program & curriculum that provides students with exceptional clinical skills and enabling them to return to their office with high level confidence and start treating patients State of the art comprehensive training-Faculty of world wide repute &Very affordable.

1. School of
Developmental Abnormalities
of Teeth
INDIAN DENTAL ACADEMY
Leader in Continuing Dental Education
www.indiandentalacademy.com
www.indiandentalacademy.co

2. School of
Classification
Anomalies of Number
Anomalies of Size
Anomalies of Shape
Anomalies of Structure
Anomalies of Color
www.indiandentalacademy.co

3. 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
www.indiandentalacademy.co

4. School of
Mesiodens
www.indiandentalacademy.co

5. School of
Anomalies of Size
1. Microdontia
2. Macrodontia
www.indiandentalacademy.co

6. 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
www.indiandentalacademy.co
11.Hypercementosis

7. 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.
www.indiandentalacademy.co

8. School of
Gemination
www.indiandentalacademy.co

9. School of
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.
www.indiandentalacademy.co

10. School of
Fusion
www.indiandentalacademy.co

11. School of
Concrescence
An acquired disorder in which the roots of
one or more teeth are united by cementun
alone after formation of the crowns.
www.indiandentalacademy.co

12. School of
Concrescence
www.indiandentalacademy.co

13. School of
GEMINATION FUSION CONCRESCENCE
One bud Two buds Two buds
One tooth Two teeth Two teeth
One canal Dentin union Cementum union
www.indiandentalacademy.co

14. School of
Dens Invaginatus
An extra cusp, usually in the central
groove or ridge of a posterior tooth
and lateral incisor.
www.indiandentalacademy.co

15. School of
Dens in Dente
A condition resulting from the
invagination of the inner enamel
epithelium producing the appearance
of a tooth within a tooth.
www.indiandentalacademy.co

16. School of
Dens in Dente
(dens invaginatus)
www.indiandentalacademy.co

17. School of
Taurodont
Taurodont teeth are characterized by
having a significantly elongated pulp
chamber with short stunted roots,
resulting from the failure of the proper
level of horizontal invagination of
Hertwig’s epithelial root sheath..
www.indiandentalacademy.co

18. School of
Taurodontism-bull like tooth
www.indiandentalacademy.co

19. School of
Dilaceration
Dilaceration refers to an abnormal
bend of the root during its development
and is thought to result from a traumatic
Episode.
www.indiandentalacademy.co

20. School of
www.indiandentalacademy.co

21. School of
Anomalies of Structure
1. Enamel hypoplasia caused by
amelogenesis imperfecta (genetic)
2. Enamel Hypoplasia caused by
febrile Illness or Vitamin Deficiency
3. Enamel hypoplasia resulting from
local infection or Trauma
a. Turner's Tooth
4. Enamel hypoplasia resulting from
fluoride Ingestion (dental fluorosis)
a. Mottling
www.indiandentalacademy.co

22. School of
Anomalies of Structure
5. Enamel hypoplasia resulting from
congenital syphilis (Treponema pallidum)
a. Hutchinson's incisors b. Mulberry molars
6. Enamel hypoplasia resulting from birth injury,
premature birth or idiopathic factors
7. Enamel hypocalcification
8. Dentinogenesis imperfecta
9. Dentin dysplasia
10. Regional Odontodysplasia (Ghost teeth)
www.indiandentalacademy.co

23. School of
Amelogenesis Imperfecta
Classification of AI
Type I: hypoplastic
TypeII: hypomaturation
TypeIII: hypocalcified
TypeIV: hypomaturation-hypoplastic
with taurodontism
www.indiandentalacademy.co

24. School of
Amelogenesis imperfecta
www.indiandentalacademy.co

25. School of
enamel hypoplasia
www.indiandentalacademy.co

26. School of
enamel hypoplasia
www.indiandentalacademy.co

27. School of
Turner Tooth
www.indiandentalacademy.co

28. School of
Dental fluorosis
www.indiandentalacademy.co

29. School of
Hutchinson teeth
www.indiandentalacademy.co

30. School of
Dentinogenesis Imperfecta
Classification of DI
Type I: occures with osteogenesis
imperfecta
TypeII: hereditary opalescent dentin
TypeIII: Brandywine type
a shell-like appearance and
multipe pulp exposures.
www.indiandentalacademy.co

31. School of
Dentinogenesis imperfecta
www.indiandentalacademy.co

32. School of
www.indiandentalacademy.co

33. School of
Anomalies of Color
— Discoloration of teeth
Etiology
 Surface deposits (Extrinsic stains)
 Changes in structure or thickness of dental tissues
 Diffusion of pigments into dental tissues
 Pigments incorporated during formation of dental tissues.
www.indiandentalacademy.co

34. School of
Extrinsic stains
 Substances in the diet
 Habitual chewing, betel nut, tobacco
 Tobacco smoking
 Medicaments
 Chromogenic bacteria
www.indiandentalacademy.co

35. School of
Changes in structure
 Enamel hypoplasias, fluorosis
 Amelogenesis imperfecta, hypocalcified,
hypomaturation, and hypoplastic types
 Enamel opacities
 Enamel caries
 Dentinogenesis imperfecta
 age changes in dental tissues
www.indiandentalacademy.co

36. School of
Diffusion of pigments
 Extrinsic stains
 Endodontic materials
 Products of pulp necrosis
www.indiandentalacademy.co

37. School of
Pigments incorporation
 Bile pigments
 Porphyrins
 Tetracycline
www.indiandentalacademy.co

38. School of
Tetracycline stained teeth
www.indiandentalacademy.co

39. School of
www.indiandentalacademy.co

40. School of
www.indiandentalacademy.co

41. School of
Composite resin restoration
www.indiandentalacademy.co

42. School of
www.indiandentalacademy.co

43. School of
Other disorders of teeth
www.indiandentalacademy.co

44. School of
Attrition
www.indiandentalacademy.co

45. School of
Erosion
www.indiandentalacademy.co

46. School of
Toothbrush abrasion
www.indiandentalacademy.co

47. School of
Thank you for watching
www.indiandentalacademy.com
www.indiandentalacademy.co