We in Chinthamani Laser Dental Clinic & Implant Centre ,cover every speciality and subspeciality in dentistry so that all kind of your dental problems can be treated efficiently and effectively. Contact us: Chinthamani Laser Dental Clinic & Implant Centre 1/464,Mount Poonamallee High Road, Iyyapanthangal, Chennai-56 Phone no.044-43800059 , 92 83 786776 Email: chinthamanidental@gmail.com, dr_mrgvl@gmail.com Website: www.chinthamanilaserdentalclinic.com

1. TOOTH MORPHOLOGY AND
INTRA-ORAL ANATOMY
Chinthamani Laser Dental Clinic

2. TOOTH MORPHOLOGY AND
INTRA-ORAL ANATOMY
Objectives:
1. Terminal Learning objective
Given the appropriate information,
identify the basic facts and
characteristics pertaining to the
structure of the oral cavity with
70% accuracy.

3. 2. Enabling Learning Objectives
a. Given the appropriate information,
identify the basic facts and characteristics
of the dentition with 70% accuracy.
b. Given the appropriate information,
identify the basic facts and characteristics
of the gingiva and tongue with 70%
accuracy.

4. 2. Enabling Learning Objectives, cont’d
c. Given the appropriate information,
identify the basic facts and characteristics
of the saliva and salivary glands with 70%
accuracy.
d. Given the appropriate information,
identify the basic facts and characteristics
of the nerves with 70% accuracy.

5. A. Dentition
1. Tooth embryology
a. Growth period - tooth bud
forms, enamel

6. b. Period of calcification - hardening of
tooth through deposition of calcium
and mineral salts.
c. Period of eruption
(1) Calcified tooth begins to move
into functional position
(2) Continues throughout lifetime
of tooth

7. 2. COMPOSITION AND FUNCTION
a. ENAMEL- MAKES UP ANATOMIC
CROWN, OUTER LAYER
(1) TRANSLUCENT SUBSTANCE
COVERING ENTIRE CROWN

8. a. ENAMEL CONT’D
(2) RANGES IN COLOR FROM
YELLOWISH TO
GRAYISH
WHITE COLOR
(3) HARDEST MATERIAL IN THE

9. a. ENAMEL CONT’D
(5) ENAMEL IS ABLE TO WITHSTAND
CRUSHING STRESSES OF ABOUT
100,000 psi.
(6) INCAPABLE OF REMODELING
AND REPAIR

10. b. DENTIN - MAKES UP BULK OF TOOTH
(1) COVERED BY ENAMEL ON CROWN
AND CEMENTUM
ON THE ROOT
(2) PALE YELLOW/SOMEWHAT

11. b. DENTIN CONT’D
(5) SENSATION CARRIED VIA TINY
CANALS CALLED DENTINAL
TUBULES
(6) SECOND HARDEST MATERIAL
IN THE HUMAN BODY

12. b. Dentin cont’d
(7) CAPABLE OF LIMITED
REGENERATION (SECONDARY
DENTIN)REPARATIVE
REGENERATION BY PULP

13. c. CEMENTUM
(1) PRIMARY FUNCTION - ANCHOR
TOOTH TO BONY
SOCKET VIA MEANS
OF ATTACHMENT FIBERS

14. c. Cementum cont’d
(4) THIRD HARDEST MATERIAL
IN THE HUMAN BODY
(5) INSERTION AREA OF
PERIODONTAL LIGAMENTS

15. d. PULP-SOFT TISSUE AT CENTER OF
TOOTH AND IN THE PULP CANAL
(1) BLOOD VESSELS
(2) NERVES
(3) LYMPH

16. d. PULP-SOFT TISSUE AT CENTER
OF TOOTH CONT’D
(4) CONNECTIVE TISSUE
CONSISTS OF:
(a) CELLS
(b) INTERCELLULAR SUBSTANCES
(c) TISSUE FLUIDS

17. 3. ANATOMY OF THE TOOTH
a. ANATOMIC CROWN- PORTION OF
TOOTH COVERED WITH ENAMEL
b. CLINICAL CROWN- VISIBLE

18. 3. ANATOMY OF THE TOOTH CONT’D
c. ROOT- PART OF TOOTH COVERED
BY CEMENTUM, BELOW GUMLINE
AND SEATED IN THE ALVEOLAR
PROCESS (BONY SOCKET)

19. 3. ANATOMY CONTINUED...
d. CEMENTO-ENAMEL JUNCTION (CEJ)
(CERVICAL LINE) - WHERE THE
ANATOMIC CROWN
AND ROOT MEET
e. APEX- TIP OF ROOT

20. 3. ANATOMY CONTINUED...
g. PULP CHAMBERCONTAINS PULP IN
CROWN
h. PULP CANAL- CANAL
RUNNING FROM APICAL
FORAMEN TO THE PULP
CHAMBER

21. 4. SUPPORTING STRUCTURES
OF THE TEETH
a. ALVEOLAR PROCESS
(1) DEFINITION - PART OF THE
MAXALLE AND MANDIBLE

22. 4. SUPPORTING STRUCTURES Cont’d
(2) FUNCTION - SURROUNDS
ROOTS AND SUPPORTS THE
TEETH
(3) COMPOSITION - COVERED BY
DENSE BONE OUTSIDE,
CANCELLOUS (porous) BONE
INSIDE

23. 4. SUPPORTING STRUCTURES Cont’d
b. PERIODONTALLIGAMENTS
(1) DEFINITION - FIBROUS TISSUES
THAT ATTACH TEETH TO THE
ALVEOLAR BONE

24. 4. SUPPORTING STRUCTURES Cont’d
c. GINGIVA - SURROUNDS THE
TEETH AND COVERS THE
ALVEOLAR PROCESS

25. 5. PERMANENT TEETH
a. QUANTITY- 32
b. CAN BE DIVIDED INTO:
(1) ARCHES - MAXILLARY
& MANDIBULAR

26. 4. PERMANENT TEETH CONT’D
b. QUADRANTS
(1) MAX RIGHT, MAX LEFT
(2) MAND LEFT, MAND RIGHT

27. 4. PERMANENT TEETH-CON’T
(3) SEXTANTS (SIX SEGMENTS)
(a) MAXILLARY RIGHT
POSTERIOR
(b) MAXILLARY
ANTERIOR

28. (3) SEXTANTS- SIX SEGMENTS
(d) MANDIBULAR RIGHT POSTERIOR
CONT’D
(e) MANDIBULAR ANTERIOR,
(f) MANDIBULAR LEFT POSTERIOR

29. 4. PERMANENT TEETH
CONT’D
c. EACH QUADRANT CONTAINS ONE
OF EACH TOOTH TYPE:
(1) CENTRAL INCISOR
(2) LATERAL INCISOR
(3) CUSPID (CANINE)

30. 4. PERMANENT TEETHCONT
(4)
(5)
(6)
(7)
(8)
1ST BICUSPID
2ND BICUSPID
1ST MOLAR
2ND MOLAR
3RD MOLAR
(WISDOM TOOTH)

31. (d) NUMBERING SYSTEM
(1) MAXILLARYPATIENT’S
1
32
RIGHT TO LEFT #’S 1-16;
16
17

32. 5. DECIDUOUS TEETH
a. QUANTITY- 20
b. EACH QUADRANT CONTAINS a-(1) CENTRAL INCISOR
(2) LATERAL INCISOR
(3) CUSPID
(4) 1ST MOLAR
(5) 2ND MOLAR

33. 6. SURFACES AND LANDMARKS
a. OCCLUSION - CONTACT BETWEEN
MAXILLARY & MANDIBULAR TEETH
b. SURFACES OF TEETH

34. b. SURFACES OF TEETH CONT’D
(1) FACIAL - NEXT TO CHEEKS & LIPS
(a) LABIAL- ANTERIOR FACIAL
(b) BUCCAL - POSTERIOR FACIAL
(2) LINGUAL- NEXT TO TONGUE

35. b. SURFACES OF TEETH CONT’D
(3) MESIAL- TOWARD MIDLINE
(MIDLINE - IMAGINARY LINE
BETWEEN CENTRAL
INCISORS.

36. b. SURFACES OF TEETH CONT’D
(4) DISTAL- AWAY FROM MIDLINE
(5) INCISAL- CUTTING EDGE OF
ANTERIOR TEETH

37. c. LANDMARKS
(1) PROXIMAL SURFACES- MESIAL
OR
DISTAL SURFACE OF A TOOTH
LYING
NEXT TO ANOTHER TOOTH

38. C. LANDMARKS CONT’D
(3) CUSPS- POINTED OR
ROUNDED ELEVATIONS OF
ENAMEL ON OCCLUSAL
SURFACES
OF CUSPIDS AND POSTERIOR
TEETH

39. C. LANDMARKS CONT’D
(4) BIFURCATED - TEETH
WITH TWO ROOTS
(5) TRIFURCATED TEETH WITH THREE
ROOTS

40. 3. LANDMARKS CONT’D
(6) CINGULUM- BULGE OF
ENAMEL FOUND ON THE
CERVICAL THIRD OF THE
LINGUAL SURFACE OF
ANTERIOR TEETH

41. B. GINGIVA AND TONGUE
1. GINGIVA- MUCOUS
MEMBRANE
COVERING THE ALVEOLAR
PROCESSES AND ENCIRCLING
THE NECKS OF THE TEETH

42. 2. TONGUE
a. MASS OF FLEXIBLE
VOLUNTARY MUSCLES
b. PAPILLAE (tiny projections) ON
DORSUM (top surface); CONTAINS
TASTE BUDS

43. C. SALIVA & SALIVARY GLANDS
1. SALIVA- ORAL DIGESTIVE FLUID
PRODUCED BY SALIVARY GLANDS
a. 2-3 PINTS/24 HOURS
b. PROVIDES SOME PROTECTION
AGAINST DENTAL CARIES

44. d. SOURCE OF FLUORIDE, CALCIUM,
PHOSPHATE FOR TOOTH
REMINERALIZATION
e. CLEANSING ACTION
f. LUBRICATION EFFECT FOR
SWALLOWING
g. BUFFERING OF ACIDS-REDUCES pH

45. 2. SALIVARY GLANDS

46. 2. SALIVARY GLANDS
a. PAROTID GLANDS
(1) LOCATIONIN CHEEK JUST
IN FRONT OF
EACH EAR
BILATERAL

47. a. PAROTID GLANDS CONT’D
(2) OPENING-EMPTIES INTO MOUTH
OPPOSITE MAXILLARY SECOND
MOLARS (STENSON’S DUCT)
(3) LARGEST SALIVARY GLANDS

48. b. SUBMANDIBULAR GLANDS
(1) LOCATION - BILATERAL, FLOOR OF
MOUTH, POSTERIOR PORTION OF
MANDIBLE (LINGUAL SURFACE)

49. c. SUBLINGUAL GLAND
(1) LOCATION - BILATERAL, FLOOR
OF MOUTH UNDER TONGUE
(2) OPENING - SERIES OF DUCTS

50. D. NERVES

51. D. NERVES
1. TRIGEMINAL-
(FIFTH
CRANIAL

52. 1. TRIGEMINAL
INNERVATION: TO SUPPLY WITH
NERVES, TO STIMULATE.
b. HAS THREE MAIN DIVISIONS

53. D. NERVES
(1) OPTHALMIC
DIVISION- GIVES
SENSATION TO
TISSUE AROUND
EYES AND
FOREHEAD
(INNERVATION)

54. D. NERVES
(2) MAXILLARY BRANCH- SENSORY
NERVE (SENSORY-CARRIES
IMPULSES FROM SKIN/
ORGANS TO THE BRAIN)
(a) INNERVATES
MAXILLARY
TEETH

55. 1. TRIGEMINAL CONT’D
(b) FURTHER DIVIDED INTO MANY
SMALLER BRANCHES.
THREE
MAJOR BRANCHES ARE--

56. 1. TRIGEMINAL CONT’D
1 ANTERIOR SUPERIOR
ALVEOLAR- INNERVATES
MAXILLARY
INCISORS AND
CUSPIDS

57. 1. TRIGEMINAL CONT’D
2 MIDDLE SUPERIOR
ALVEOLAR- INNERVATES
MESIOFACIAL
ROOT OF THE
ILLARY
MAX
FIRST

58. 1 TRIGEMINAL CONT’D
3 POSTERIOR SUPERIOR
ALVEOLAR- INNERVATES MAX
MOLARS
EXCEPT FOR
MESIO-FACIAL
ROOT OF THE
MAXILLARY
1ST MOLAR

59. 1. TRIGEMINAL CONT’D
(3) MANDIBULAR DIVISION
(a) SUPPLIES
SENSATION TO
ALL MANDIBULAR
TEETH AND TISSUE
(b) THREE MAJOR
BRANCHES

60. 1. TRIGEMINAL CONT’D
1 INFERIOR ALVEOLAR
NERVEINNERVATES THE
MAN TEETH,
MAN GINGIVA,
AND THE
LOWER LIP
UNILATERALLY

61. 1. TRIGEMINAL CONT’D
3 LINGUALINNERVATES
ANTERIOR 2/3
OF THE
TONGUE AND
MUCOSA ON
THE FLOOR
OF THE
MOUTH

62. 1. TRIGEMINAL CONT’D
3 BUCCALINNERVATES
THE BUCCAL
MUCOUS
MEMBRANES

63. 1. TRIGEMINAL CONT’D
2. FACIAL
SEVENTH CRANIAL NERVEMOTOR AND SENSORY IN
NATURE
MOTOR-CARRIES IMPULSES
FROM THE BRAIN AND SPINAL
CORD TO MUSCLES AND GLANDS

64. 1. TRIGEMINAL CONT’D
B. INNERVATES
(1) MUSCLES OF FACIAL
EXPRESSION
(2) TASTE BUDS ANTERIOR
2/3 OF TONGUE

65. SUMMARY

IDENTIFY BASIC FACTS AND CHARACTERISTICS
PERTAINING TO THE STRUCTURES OF THE ORAL
CAVITY, WITH 70% ACCURACY
DENTITION
 GINGIVA
 TONGUE
 SALIVA AND SALIVARY GLANDS
 NERVES


66. Thank You
Email.id:chinthamanidental@gmail.coml
044-43800059 , 92 83 786 776
www.chinthamanilaserdentalclinic.com