anatomy & physiology for the dental professionals
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Dental Anatomy
and Masticatory Dynamics
Welcome to DAMD
Session I
(August 1, 2005)
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Today
Intro faculty
Distribute Manual / Discuss Resources
Intro lecture
Mock Quiz
Review Quiz
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Faculty
Ilze Bekeny
Francis Curd
T. Roma Jasinevicius
Jay Joseph
Louis Juliano Tania Markarian
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DAMD Offices
Next to DentSim Clinic
In BLUE manual
Telephone numbers
E-mail numbers
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Text / Resources
Notes
CD
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Lecture
Welcome
CWRU-
Day 1 of
yourprofessional
career
the rest o f
your l i fe!!!
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From Apprentice
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eorge Washingtons Teeth
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20thcentury dentures
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From apprentice
to
professional
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Restorative Dentistry
on typodont
Procedures executed by
2ndyear Dental Student
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Masticatory /
Gnathological System
Start
notes
from here
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Masticatory /
Gnathological system
Masticatory: Pertaining to chewing
Gnathology
Science that deals withanatomy, histology,physiology, pathology ofthe jaws and masticatorysystem as a whole,
including the applicablediagnostic, therapeuticand rehabilitativeprocedures
Frontal view
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Mixed Dentition:
Primary /Deciduous and Permanent
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Determination of age from teeth present
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6 yearmolar
LI CI
8 yr 7 yr
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Permanent Teeth
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Maxillary
ANTERIOR
MandibularANTERIOR
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Anterior Teeth
Maxillary
Central Incisor (2 right and left)
Lateral Incisor (2 right and left)
Canine (2 right and left)
Mandibular
Central Incisor(2 right and left)
Lateral Incisor (2 right and left)
Canine (2 right and left)
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Maxillary
PreMolars
Mandibular
PreMolars
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Posterior Teeth - PreMolars
Maxillary
1stPremolar (2 right and left)
2ndPremolar (2 right and left)
Mandibular
1stPremolar (2 right and left)
2ndPremolar (2 right and left)
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Maxillary
Molars
Mandibular
Molars
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Posterior Teeth - Molars
Maxillary
1stMolar (2 right and left)
2ndMolar (2 right and left)
3rdMolar (Wisdom tooth) (2 right and left)
Mandibular
1
st
Molar(2 right and left)
2ndMolar (2 right and left)
3rdMolar (Wisdom tooth) (2 right and left)
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Division
Arches Maxillary Mandibular
Quadrants Maxillary Arch Mandibular Arch
Right quadrant Right quadrant Left quadrant Left quadrant
Sextants
Maxillary Arch Mandibular Arch Right posterior sextant Right posterior sextant
Anterior sextant Anterior sextant
Left posterior sextant Left posterior sextant
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Maxillary Arch
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Left
RIGHT
LEFT
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Maxillary ArchMax Right
quadrant
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Maxillary ArchMax Left
quadrant
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Maxillary Arch
Max Left
Posterior
sextant
Max Right
Posteriorsextant
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CROWN
coronal
ROOT
radicular
Cervical line
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Incisal (ant)
Occlusal (post)
CROWN
coronal
ROOT
radicular
APEX
apical
Cervical line
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Right Midline Left
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Right Midline Left
Mesial
towards midine
DistalAway from midline
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Right Midline Left
M
D
M
D
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Right Left8 9
7 10
6 11
5
4
3 14
2 15
1 -missin missin 16
UNIVERSAL
SYSTEM
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Mandible numbering system32 missing missing 17
31 18
30 19
29
28 20
21
27 2226
25/24 23
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Name / number the teeth
Using Universal # System!
4 5 6 7 8 9 10 11
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8 9
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More terminology
FACIAL
View
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More terminology
Views / aspects of teeth
Facial
Lingual Mesial (a proximal surface)
Distal ( a proximal surface)
Occlusal (posterior) / Incisal (anterior)
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# 8
Facial
View
INCISAL
MESIALDISTAL
midline
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Apical
Facial View
Mesial Distal
Incisal
A i l
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Apical
Mesial Distal
Incisal
APICAL
MIDDLE
CERVICAL
CERVICAL
MIDDLE
INCISAL
A i l
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Apical
Mesial Middle Distal
Incisal
middle
Mesial Middle Distal
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Apical
Facial Middle Lingual
Cervical
Cervical
Facial Middle Lingual
Incisal
Proximal
View
Proximal Facial
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Incisors
PM Molars
PM Molars
Trapezoid
Rhomboid
Triangle
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Facial of all teeth - trapezoidal
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Break time10 minutes
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Continue with terminology
C t t
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Contact areas
Area on proximal surface of a tooth either
M or D
when teeth are in good alignmentwhich touches adjacent tooth
C t t
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Contact areas
Area on proximal surface of a tooth either
M or D
when teeth are in good alignmentwhich touches adjacent tooth
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Variations yetcharacteristics for identification
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Maxillary Incisors
Purpose
Along with mandibular incisors
Esthetics
Phonetics - speech
Incising / cutting
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Information* and Photos with black backgroundTooth Atlas
* Information with asterisk from Tooth Atlas CD
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Maxillary Central Incisor
Development*
The initiation of calcification is between 3
and 4 months. The completion of enamel formation is 4 to
5 years.
The eruption is between 7 to 8 years. Root development complete at 10 years.
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Why DA ?
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5 views of teeth
Facial
Labial (anterior)
Buccal (posteriors)
Lingual
Mesial
Distal
Incisal / Occlusal
Ant / posterior
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Maxillary Central - #8 -
Facial view
Crown:Root - 11mm: 13 mm
M-Inc Corner - 90 degrees
D-Inc Corner - rounded
M contact - Incisal
D contact - Junction
(Incisal/Middle)
D M
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Maxillary Central - #8 -
Facial view
Size
MD widest ANT tooth
Inc-Cerv longest Crown
M outline straight
D outline sltly rounded
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Maxillary Central - #8 -
Lingual view
Marginal ridges (MR) MMR > DMR
Moderately pronounced
Cingulum Moderately pronounced
D located
Fossa Moderate depth
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Maxillary Central - #8 -
Lingual view
Marginal ridges (MR) MMR > DMR
Moderately pronounced
Cingulum Moderately pronounced
D located
Fossa Moderate depth
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Maxillary Central - #8 -
Mesial view
Incisal Edge sltly F to .
root axis
Facial surface flat
CEJ (cervical line) deeper on M
Root:
M surface flat w/ depression
(D surface convex w/ no depression)
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Maxillary Central - #8 -
Distal view
Incisal Edge sltly F to .root axis
Facial surface flat
CEJ (cervical line) deeper on M
Root: M surface flat w/ depression
(D surface convex w/ nodepression)
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Maxillary Central - #8 -
Incisal view
Geometric
Triangular
MD > FL
Facial
flat
Cingulum
Distal location
Maxillary Lateral Incisor
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Maxillary Lateral Incisor
Most variable ANTERIOR tooth
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Maxillary Lateral - #7 -
Facial view
Crown:Root - 10mm: 13 mm
M-Inc Corner - rounded
D-Inc Corner - v. rounded
M contact - Junction*
D contact - Middle
*(Incisal/Middle)
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Maxillary Lateral - #7 -
Facial view
Crown:Root - 10mm: 13 mm
M-Inc Corner - rounded
D-Inc Corner - v. rounded
M contact - Junction*
D contact - Middle
*(Incisal/Middle)
ill l #
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Maxillary Lateral - #7 -
Facial view
Size
MD smaller than CI
Inc-Cerv shorter CI
M outline rounded
D outline v. rounded
M ill L l #7
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Maxillary Lateral - #7 -
Facial view
Size
MD smaller than CI
Inc-Cerv shorter CI
M outline rounded
D outline v. rounded
M ill L l d C l #7 #8
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Maxillary Lateral and Central - #7 - #8 -
Facial view
M ill L l #7
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Maxillary Lateral - #7 -
Lingual view
Marginal ridges (MR) MMR > DMR
Moderately pronounced
More than CI
Cingulum More pronounced than CI
Centered
Fossa Moderate depth
Pits / groove variation
M ill L t l #7
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Maxillary Lateral - #7 -
Lingual view
Marginal ridges (MR)
MMR > DMR
Moderately pronounced
More than CI
Cingulum
More pronounced than CI
Centered
Fossa
Moderate depth
Pits / groove variation
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M ill L t l #7
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Maxillary Lateral - #7 -
Mesial view
Incisal Edge sltly F to .
root axis
Facial surface more rnd
CEJ (cervical line) deeper on M
Root: M surface flat w/ depression
(D surface flat / no depression)
M ill L t l #7
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Maxillary Lateral - #7 -
Distal view
Incisal Edge sltly F to .root axis
Facial surface more rnd
CEJ (cervical line) deeper onM
Root: M surface flat w/ depression
(D surface flat / no depression)
M ill L t l #7
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Maxillary Lateral - #7 -
Incisal view
Geometric
Rnded
MD > FL
Facial
rnd
Cingulum
Centered
Its been so lovely!!!
N t i
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Next session
Quiz and bring typodonts (we will provide prep)
For LAB: bring matches (lighter) and stockings!!!!