defintions Flashcards
Dentition
type, number of teeth in dental arch
primary dention other names
how many teeth
deciduous/baby teeth/milk teeth
20 teeth
5/per quadrent
NO PREMOLAR
Eruption of primary start and end
start 6 month—> ends 3 year (24-32 month)
exfolation of primary teeth
start at 6 ends at 12
Mixed dention
a mixture primary and permanent teeth
usally all primary lost between 6-12 years
Permentat dentition other names
number of teeth
Secondar /adult teeth
32 teeth
8/per quadrant
Eruption of permeant dention
starts at 6 ends at 21 (wisdom teeth)
retained primary tooth
primary tooth hasn’t exfoliated
Edontulus
without teeth
partially- not all missing
Eruption
braking of tooth through tissues(gum)
exfoliation
loss of primary teeth following root resorption
dental arches
consists of two arches
maxiallry-top
mandibular-bottom
Quadrants
maxillary and mandible arches divded into 2 halves
Midline
imaginary line dividing arch in to 2 halves
Sexant
1/6 of dentition
seprate anterior from posterior
TMJ
where mandible articualtes and hinges with skull
occlusion
natural contact of max. and mandb.
malocclusiion
deviated occlusion
not normal
all teeth are classified as___ and ___
purpose?
posterior and anterior
help describe location and function
Lateral incsors
Cut food
iso-
cenral -1
lateral-2
Canine
Tear food
iso
3
anterior teeth
cutting and tearing teeth located in the front
posterior
chewing teeth located in the back
cupids
aka canine
“cornerstone” of dental arch
2 distinction for canine
sturdy crown
long rooted
premolar=molar
broad chewing surface
3rd molar often referred as
wisodm tooth
4v tissues of oral cavity
enamel
cementum
dentin
pulp
enamel
white protective
external surface
of anatomical crown
cementum
External layer of
anatomical root
Dentin
Main portion of
tooth structure
Pulp
soft tissue in cavity
center of crown and root
not calcified
Anatomical crown
covered in enamel
Clinical crown
visible in mouth
Cervix
narrow area
crown joins CEMENTUM of root
Root
Covered with Cementum
hold tooth in place
APEXtip of root
tip of root
Apical foreman
opening where NERVE and BLOOD
enter and exit
proximal surface
2surface adjacent to each other
teeth touching together
Tooth numbering system use
identfy teeth for chating
most commly used in canada:
ISO , FDI
ISO system
2 digit recording system
1st digit=quadrant
2nd digits= tooth in quadrant
Lingual
towards tongue
Mesial
towards midline
incisal
cutting edge of anterior tooth
distal
away from midline
occlusal
broad chewing surafce
of posterior teeth
vestibualr
towards lips or face
aka facial
ginviva
aka gums
cover alveolar bone
surronds tooth
3 types of gingiva
attached
unattached
interdental
Interdental gingiva
aka interdental papilla
triange shaped between teeth ⛛
Aleveolar socket
tooth sits in cavity space
not bone contact
Peiodontal ligament
support +suspend tooth
attatched gingiva
gum bound to bone
unaatached gingiva
gums not bound to teeth
Intra oral
Within mouth /oral cavity
Benign
Non cancerous
Interproximal
Inbetween teeth
Restoration
replacemetn used for all/ parts of a tooth
Vital
living/cruical importance
Pre-Malignant
Before cancer
Extra oral
outside the mouth/oral cavity
chronic
lon/ slow-continuing over a long time
diagnosis
evaluation/determine of disease
Acute
short duration
Alloy
2 or more metal fused together
Abscess
pus localized formation
Amlagam
Mixture of mercury with other metals
Anaesthetic
drug/gas eliminating sense of feeling
Anomaly
Noticeble change from normal/abnormal
CLincial
Based on obsevation
Cusp
elevation on occlusal surafce
degeneration
growning worse
Geriatrics
care for the aging
Impaction
confiment of a tooth in jaw -eruption prevented
