Anatomy & Physiology for the Dental Professionals (2)

8/11/2019 Anatomy & Physiology for the Dental Professionals (2)

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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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Sagittal view of skull:

Jaws:

Maxilla

non-movableMandible - movable

Temporomandibular jt


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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

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Name / number the teeth

Using Universal # System


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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


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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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Facial view

Size

MD widest ANT tooth

Inc-Cerv longest Crown

M outline straight

D outline sltly rounded


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Facial view

Size

MD widest ANT tooth

Inc-Cerv longest Crown

M outline straight

D outline sltly rounded


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Lingual view

Marginal ridges (MR) MMR > DMR

Moderately pronounced

Cingulum Moderately pronounced

D located

Fossa Moderate depth


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Lingual view



Cingulum Moderately pronounced

D located



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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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Distal view

Incisal Edge sltly F to .root axis

Facial surface flat


Root: M surface flat w/ depression

(D surface convex w/ nodepression)


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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


M-Inc Corner - rounded

D-Inc Corner - v. rounded

M contact - Junction*

D contact - Middle

*(Incisal/Middle)


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Facial view


M-Inc Corner - rounded

D-Inc Corner - v. rounded

M contact - Junction*

D contact - Middle

*(Incisal/Middle)

ill l #


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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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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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Lingual view



More than CI

Cingulum More pronounced than CI

Centered


Pits / groove variation

M ill L t l #7


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Lingual view

Marginal ridges (MR)

MMR > DMR


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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Mesial view

Incisal Edge sltly F to .

root axis

Facial surface more rnd



(D surface flat / no depression)

M ill L t l #7


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Distal view

Incisal Edge sltly F to .root axis

Facial surface more rnd

CEJ (cervical line) deeper onM


(D surface flat / no depression)

M ill L t l #7


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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!!!!

Documents

Anatomy & Physiology for the Dental Professionals (2)