basics of dentistry

2. DENTISTRY

3. Dentistry is a branch of medicine
that deals with the study , diagnosis ,prevention
,and Treatment of diseases , disorders, and
conditions of the oral cavity commonly the
dentition and also the oral mucosa…..

4. MORPHOLOGY
• TYPES OF DENTITION
• DENTAL FORMULA
• TEETH NOTATION
• ANATOMY OF TOOTH
• SURFACES OF TEETH
• DIVISIONS OF CROWN AND ROOT
• ANATOMIC CROWN

5. TYPES OF DENTITION
• There are two types of dentition
1. Primary dentition
2. Permanent dentition

6. PRIMARY DENTITION
Primary dentition also called as deciduous dentition are the first
erupted tooth in the oral cavity . They are 20 in number.. And they erupt at the
age of 6months and exfoliated at the age 14 years

7. PERMANENT DENTITON
• It starts erupting from 6 years of Age…………….

8. DENTAL FORMULA
• Dental formula of primary teeth
2 1 0 2
2 1 0 2
. Dental formula for permant teeth
2 1 2 3
2 1 2 3

9. TEETH NUMBERING SYSTEM
• There are 3 different teeth numbering systems
1. Universal tooth numbering system
2. Zsigmondy /palmer tooth numbering system
3. FDI tooth numbering system

10. UNIVERSAL TOOTH NUMBERING SYSTEM
PERMANENT DENTITION
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

11. • PRIMARY DENTITION
A B C D E F G H I J
T S R Q P O N M L K

12. ZSIGMONDY /PALMAR
UPPER RIGHT UPPER LEFT
E D C B A A B C D E
E D C B A A B C D E
LOWER RIGHT LOWER LEFT

13. PERMANENT DENTITION
UPPER RIGHT UPPER LEFT
8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1 1 2 3 4 5 6 7
LOWER RIGHT LOWER LEFT

14. FDI TEETH NUMBERING SYSTEM
• PERMANENT DENTITION
18 17 16 15 14 13 12 11 21 22 23 24 25 26 27 28
48 47 46 45 44 43 42 41 31 32 33 34 35 36 37 38

15. • PRIMARY DENTITION
55 54 53 52 51 61 62 63 64 65
85 84 83 82 81 71 72 73 74 75

16. ANATOMY OF TOOTH

17. SURFACES OF TEETH
Mesial surface
Distal surface
labial surface / Buccal surface
lingual surface /palatal surface
Occlusal surface / Incisal surface

18. DIVISIONS OF CROWN AND ROOT

19. ANATOMIC CROWN