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.

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DEVELOPMENT OF DENTITION
AND OCCLUSION

2. INDIAN DENTAL ACADEMY
Leader in continuing dental education
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3.  ORTHODONTICS –study of growth and
development of jaws and face particularly,
body generally as influencing the position
of the teeth ; study of action and reaction of
internal and external influences on the
development and the prevention and
correction of arrested and perverted
development.
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4. Development of dentition
 Crown formation
- Bud stage
- Cap stage
- Bell stage
 Root formation
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5. Bud stage
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6. Cap stage
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7. Bell stage
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8. Root formation
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9. Development of occlusion
 Pre dental period
 Deciduous dentition
 Mixed dentition
 Permanent dentition
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10. Pre dental period
 Gum pads
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11. Relationship of upper and
lower gum pads
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12. Deciduous dentition
 Primary tooth bud initiation- intra uterine
life
 Eruption completion
 Sequence of eruption :A-B-D-C-E
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13. Spacing in deciduous
dentition
 Developmental spaces or physiological
spaces
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14. Primate space/simian
space/anthropoid space
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15. Flush Terminal plane
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16. Deep bite
 Eruption of deciduous molars
 Attrition of incisors
 Forward movement of mandible (growth)
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17. Mixed dentition (6yrs)
 First transsitional period
 Inter-transitional period
 Second transitional period
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18. First transsitional period
 Molars and
incisors
 Flush terminal
plane:
-early shift and
late shift
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19. Mesial step terminal plane:
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20. Distal step terminal plane
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21. Exchange of incisors
 Incisal liability (5/7mm in U/L)
a. Inter dental spaces in deciduous dentition
b. Increased inter canine width
c. Change in incisor inclination
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22. Inter-transitional period
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23. Second transitional period
 Replacement of deciduous molars n canines
by premolars and cuspids
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24. Leeway space of nance
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25. Ugly duckling stage
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26. www.indiandentalacademy.com
Leader in continuing dental education
www.indiandentalacademy.com