Jim Emms provides this interactive presentation on Dental Anatomy, also brought to you by Verona Dental.

1. VERONA DENTAL
DENTALDENTAL
ANATOMYANATOMY

2. 1. Anatomy of a tooth.1. Anatomy of a tooth.
a. Anatomical crown- portion of tootha. Anatomical crown- portion of tooth
covered with enamelcovered with enamel
Dental Anatomy
Anatomic crownAnatomic crown

3. b.b. Clinical crownClinical crown- visible part of tooth- visible part of tooth
above the gum lineabove the gum line..
Anatomical
crown
Clinical
crown
Dental Anatomy

4. c. Rootc. Root
(1) Part of tooth embedded in the(1) Part of tooth embedded in the
alveolar process and covered byalveolar process and covered by
cementum.cementum.
Dental Anatomy

5. d.d. Apex- tapered end of root tip.Apex- tapered end of root tip.
e.e. Apical foramen-Apical foramen-
opening atopening at
the root tip.the root tip.
Dental Anatomy

6. 3.3. Tissues of the tooth.Tissues of the tooth.
a. Enamela. Enamel
(1) Makes up anatomic crown.(1) Makes up anatomic crown.
(2) Hardest material in the human(2) Hardest material in the human
body.body.
(3) Incapable of remodeling and(3) Incapable of remodeling and
repair.repair.
Dental Anatomy

7. Enamel

8. b.b. DentinDentin
(1)(1) Makes up bulk of tooth.Makes up bulk of tooth.
(2)(2) Covered by enamel on crownCovered by enamel on crown
and cementum on the root.and cementum on the root.
(3)(3) Not as hard as enamel.Not as hard as enamel.
(4)(4) Exposed dentin is oftenExposed dentin is often
sensitive to cold, hot, air, andsensitive to cold, hot, air, and
touch (via dentinal tubules).touch (via dentinal tubules).
Dental Anatomy

9. Dentin
Enamel
Dentinal
Tubules

10. c. Cementumc. Cementum
(1) Covers root of tooth.(1) Covers root of tooth.
(2) Overlies the dentin and joins(2) Overlies the dentin and joins
the enamel at the cemento-enamelthe enamel at the cemento-enamel
junction (CEJ).junction (CEJ).
(3)(3) Primary function is to anchorPrimary function is to anchor
the tooth to the bony socketthe tooth to the bony socket
with attachment fibers.with attachment fibers.
Dental Anatomy

11. Dentin
Enamel
Dentinal
Tubules
Cementum

12. d. Pulpd. Pulp
(1) Made up of blood vessels(1) Made up of blood vessels
and nerves entering throughand nerves entering through
the apical foramen.the apical foramen.
(2) Contains connective tissue,(2) Contains connective tissue,
which aids interchangewhich aids interchange
between pulp and dentin.between pulp and dentin.
Dental Anatomy

13. Dentin
Enamel
Dentinal
Tubules
Cementum
Pulp

14. 4. Periodontium4. Periodontium
a. Alveolar process.a. Alveolar process.
(1) Bone extensions of the maxillae(1) Bone extensions of the maxillae
and mandible that supports theand mandible that supports the
teethteeth..
(2) Cortical plate is the dense outer(2) Cortical plate is the dense outer
layer of bone covering the spongylayer of bone covering the spongy
(cancellous) bone(cancellous) bone
Dental Anatomy

15. Dentin
Enamel
Dentinal
Tubules
Cementum
Pulp
Alveolar
Process
Cortical Plate
Spongy Bone

16. b. Periodontal ligaments.b. Periodontal ligaments.
(1) Dense connective fibrous(1) Dense connective fibrous
tissues that connect teeth totissues that connect teeth to
the alveolar bone.the alveolar bone.
(2) One end is embedded in(2) One end is embedded in
cementum and other end incementum and other end in
bone.bone.
(3) Supports and protects the(3) Supports and protects the
tooth fromtooth from normal shock.normal shock.
Dental Anatomy

17. Dentin
Enamel
Dentinal
Tubules
Cementum
Pulp
Alveolar
Process
Cortical Plate
Spongy Bone
Periodontal
Ligaments

18. c. Gingiva - surrounds the teethc. Gingiva - surrounds the teeth
and covers the alveolar process.and covers the alveolar process.
Dental Anatomy

19. Dentin
Enamel
Dentinal
Tubules
Cementum
Pulp
Alveolar
Process
Cortical Plate
Spongy Bone
Periodontal
Ligaments
Gingiva

20. Types of DentitionTypes of Dentition
1. Deciduous (baby) teeth1. Deciduous (baby) teeth
a. Twenty ( 20) primary teeth.a. Twenty ( 20) primary teeth.
b. Arches - maxillary and mandibular.b. Arches - maxillary and mandibular.
c. Quadrants - each arch divided inc. Quadrants - each arch divided in
half.half.
(1) Maxillary right and left.(1) Maxillary right and left.
(2) Mandibular right and left.(2) Mandibular right and left.

21. d. Teeth in each quadrant.
(1) Central incisor
(2) Lateral incisor
(3) Cuspid
(4) 1st molar
(5) 2nd molar
Deciduous TeethDeciduous Teeth

22. e. Anterior and posterior teeth.e. Anterior and posterior teeth.
(1) Anterior - centrals, laterals,(1) Anterior - centrals, laterals,
and cuspids.and cuspids.
(2) Posterior - molars.(2) Posterior - molars.
Deciduous TeethDeciduous Teeth

23. f. Numbering system.f. Numbering system.
(1) Alphabetical.(1) Alphabetical.
(2) Maxillary - patient’s(2) Maxillary - patient’s
right to left, “A” thruright to left, “A” thru
“J”.“J”.
(3) Mandibular -(3) Mandibular -
patient’s left to right,patient’s left to right,
“K” thru “T”.“K” thru “T”.
Deciduous TeethDeciduous Teeth
K
L
M
N
OP
Q
R
S
T
A
B
C
D
F
H
I
J
E
G
R L
MAXILLARY
MANDIBULAR

24. Types of DentitionTypes of Dentition
2. Permanent teeth.2. Permanent teeth.
a. Thirty-two (32) permanenta. Thirty-two (32) permanent
teeth.teeth.
b. Arches - maxillaryb. Arches - maxillary
R L

25. c. Quadrants.c. Quadrants.
(1) Maxillary right and left.(1) Maxillary right and left.
(2) Mandibular right and left.(2) Mandibular right and left. R L
Permanent TeethPermanent Teeth

26. d. Teeth in each quadrant.d. Teeth in each quadrant.
(1) Central incisor.(1) Central incisor.
(2) Lateral incisor.(2) Lateral incisor.
(3) Cuspid (canine).(3) Cuspid (canine).
Permanent TeethPermanent Teeth

27. (4) 1st bicuspid(4) 1st bicuspid
(5) 2nd bicuspid(5) 2nd bicuspid
(6) 1st molar(6) 1st molar
(7) 2nd molar(7) 2nd molar
(8) 3rd molar(8) 3rd molar
(wisdom tooth)(wisdom tooth)
Permanent TeethPermanent Teeth

28. e. Anterior and posterior teeth.e. Anterior and posterior teeth.
(1) Anteriors - central,(1) Anteriors - central,
lateral and cuspids.lateral and cuspids.
(2) Posteriors - bicuspids(2) Posteriors - bicuspids
and molars.and molars.
Permanent TeethPermanent Teeth

29. f. Numbering system.f. Numbering system.
(1) Numerical.(1) Numerical.
(2) Maxillary- patient’s(2) Maxillary- patient’s
right toright to
R L
Permanent TeethPermanent Teeth

30. 1. Facial - next to cheeks & lips .1. Facial - next to cheeks & lips .
a. Labial- anterior facial.a. Labial- anterior facial.
b. Buccal - posterior facial.b. Buccal - posterior facial.
2. Lingual- next to tongue.2. Lingual- next to tongue.
3. Mesial - towards midline, an imaginary line3. Mesial - towards midline, an imaginary line
between central incisors.between central incisors.
Tooth SurfacesTooth Surfaces

31. 4. Distal- away from midline.4. Distal- away from midline.
5. Incisal- cutting edge of anterior teeth.5. Incisal- cutting edge of anterior teeth.
6. Occlusal- chewing surface of the posterior6. Occlusal- chewing surface of the posterior
teeth.teeth.
Tooth SurfacesTooth Surfaces

32. 7. Proximal surfaces - mesial7. Proximal surfaces - mesial
or distal surface of aor distal surface of a
toothtooth
lying next to another tooth.lying next to another tooth.
Tooth SurfacesTooth Surfaces

33. 9. Cusps- pronounced elevations9. Cusps- pronounced elevations
on the occlusal surfaces of aon the occlusal surfaces of a
tooth terminating in a conical ortooth terminating in a conical or
rounded surface.rounded surface.
Tooth SurfacesTooth Surfaces