OROFACIAL ANATOMY EXAM 1
REVIEW
Dentition---ans-✔✔the-term-used-to-describe-the-natural-teeth-in-the-jaws.
Two-Types-of-Dentition's---ans-✔✔Primary-and-Permanent
Primary-Dentition---ans-✔✔deciduous,-baby,-milk,-and-temporary-teeth
The-amount-of-teeth-found-in-the-primary-dentition---ans-✔✔20-teeth-total
8-Incisors
4-Canines
8-Molars
Permanent-Dentition---ans-✔✔the-second-dentition-to-develop
The-amount-of-teeth-found-in-the-permanent-dentition---ans-✔✔32-teeth-total
8-Incisors
4-Canines
8-Premolars
12-Molars
Non-succedaneous---ans-✔✔Do-not-succeed-another-tooth-because-there-is-no-tooth-
ahead-of-them-to-come-in.-EX-Molars
Eruption---ans-✔✔Process-of-tooth-coming-into-the-mouth-where-you-can-see-it.-Begins-
when-tooth-moving-through-bone.-Visibly-will-continue-until-it-reaches-its-antagonist.
Active-Eruption---ans-✔✔Vertical-tooth-movement-through-tissue.-OCCURS-
THROUGHOUT-LIFE.
Passive-Eruption---ans-✔✔No-actual-tooth-eruption;-apical-movement-of-soft-tissue.-Ex-
RECESSION
Incisors---ans-✔✔function-as-instruments-for-BITING-and-CUTTING-food-because-of-
triangular-proximal-form.
, Canines---ans-✔✔tapered-shape-and-prominent-cusps-function-to-PIERCE-and-TEAR-
food
Premolars---ans-✔✔Only-in-PERMANENT-DENTITION,-function-to-assist-molars-in-
GRINDING,-because-of-broad-occlusal-surface
Assist-canines-in-PIERCING-and-TEARING-food-with-their-cusps
Molars---ans-✔✔function-in-GRINDING-food
Tooth-Designation-Systems---ans-✔✔Universal-System
International-Standards-Organization-System-(ISO)
Palmer-Notation-Method
Universal-Tooth-Designation-System---ans-✔✔Tooth-Designation-System-most-widely-
used-in-the-United-States-because-of-its-adaptable-to-electronic-data-transfer.
International-Standards-Organization-Designation-System-(ISO)---ans-✔✔Used-by-the-
World-Health-Organization
Palmer-Notation-Method---ans-✔✔Military-tooth-numbering-system,-used-in-orthodontics.
Dentition-Periods---ans-✔✔There-are-only-two-dentition,-but-there-are-three-dentition-
periods
Primary-Dentition-Period---ans-✔✔1st-Period-
6-mo--6-yrs
Begins-with-the-eruption-of-the-primary-mandibular-central-incisors.
Mixed-Dentition-Period---ans-✔✔2nd-Period-(Ugly-Duckling-Stage)
6yrs---12-yrs
shedding-of-primary-teeth-and-eruption-of-permanent-teeth
Permanent-Dentition-Period---ans-✔✔Final-Period
Begins-with-shedding-of-last-primary-tooth
usually-begins-after-12-years-of-age
alveolus-(aveoli)---ans-✔✔tooth-socket
alveolar-process---ans-✔✔where-each-aveolus-is-located;-tooth-bearing-part-of-the-jaw,-
also-considered-a-dental-arch-(-maxillary,-mandibular)
Occlusion---ans-✔✔the-method-where-the-teeth-of-the-mandibular-arch-and-the-maxillary-
arch-come-into-contact
D-A-Q-T-System---ans-✔✔D=-Dentition-
A=-Arch
REVIEW
Dentition---ans-✔✔the-term-used-to-describe-the-natural-teeth-in-the-jaws.
Two-Types-of-Dentition's---ans-✔✔Primary-and-Permanent
Primary-Dentition---ans-✔✔deciduous,-baby,-milk,-and-temporary-teeth
The-amount-of-teeth-found-in-the-primary-dentition---ans-✔✔20-teeth-total
8-Incisors
4-Canines
8-Molars
Permanent-Dentition---ans-✔✔the-second-dentition-to-develop
The-amount-of-teeth-found-in-the-permanent-dentition---ans-✔✔32-teeth-total
8-Incisors
4-Canines
8-Premolars
12-Molars
Non-succedaneous---ans-✔✔Do-not-succeed-another-tooth-because-there-is-no-tooth-
ahead-of-them-to-come-in.-EX-Molars
Eruption---ans-✔✔Process-of-tooth-coming-into-the-mouth-where-you-can-see-it.-Begins-
when-tooth-moving-through-bone.-Visibly-will-continue-until-it-reaches-its-antagonist.
Active-Eruption---ans-✔✔Vertical-tooth-movement-through-tissue.-OCCURS-
THROUGHOUT-LIFE.
Passive-Eruption---ans-✔✔No-actual-tooth-eruption;-apical-movement-of-soft-tissue.-Ex-
RECESSION
Incisors---ans-✔✔function-as-instruments-for-BITING-and-CUTTING-food-because-of-
triangular-proximal-form.
, Canines---ans-✔✔tapered-shape-and-prominent-cusps-function-to-PIERCE-and-TEAR-
food
Premolars---ans-✔✔Only-in-PERMANENT-DENTITION,-function-to-assist-molars-in-
GRINDING,-because-of-broad-occlusal-surface
Assist-canines-in-PIERCING-and-TEARING-food-with-their-cusps
Molars---ans-✔✔function-in-GRINDING-food
Tooth-Designation-Systems---ans-✔✔Universal-System
International-Standards-Organization-System-(ISO)
Palmer-Notation-Method
Universal-Tooth-Designation-System---ans-✔✔Tooth-Designation-System-most-widely-
used-in-the-United-States-because-of-its-adaptable-to-electronic-data-transfer.
International-Standards-Organization-Designation-System-(ISO)---ans-✔✔Used-by-the-
World-Health-Organization
Palmer-Notation-Method---ans-✔✔Military-tooth-numbering-system,-used-in-orthodontics.
Dentition-Periods---ans-✔✔There-are-only-two-dentition,-but-there-are-three-dentition-
periods
Primary-Dentition-Period---ans-✔✔1st-Period-
6-mo--6-yrs
Begins-with-the-eruption-of-the-primary-mandibular-central-incisors.
Mixed-Dentition-Period---ans-✔✔2nd-Period-(Ugly-Duckling-Stage)
6yrs---12-yrs
shedding-of-primary-teeth-and-eruption-of-permanent-teeth
Permanent-Dentition-Period---ans-✔✔Final-Period
Begins-with-shedding-of-last-primary-tooth
usually-begins-after-12-years-of-age
alveolus-(aveoli)---ans-✔✔tooth-socket
alveolar-process---ans-✔✔where-each-aveolus-is-located;-tooth-bearing-part-of-the-jaw,-
also-considered-a-dental-arch-(-maxillary,-mandibular)
Occlusion---ans-✔✔the-method-where-the-teeth-of-the-mandibular-arch-and-the-maxillary-
arch-come-into-contact
D-A-Q-T-System---ans-✔✔D=-Dentition-
A=-Arch
