Tooth Flashcards
the teeth are embedded in the upper _____ bone and lower ______ bone
maxilla
mandible
four parts of the tooth
Crown
Root
Apex
Neck
1
crown
2
Enamel
3
Dentin
4
Pulp
5
Root
6
Apex
7
Mucosa
8
Gingiva
tooth socket
alveoli
what are teeth held in place by
periodontal ligaments
another term for gums
gingiva
surface of tooth toward the cheek
buccal
surface of tooth toward lips
labial
surface of tooth toward tongue (lower teeth)
lingual
surface of tooth toward hard palate (upper teeth)
palatal
surface of tooth toward midline
mesial
surface of tooth away from midline
distal
where teeth meet, chewing surface of teeth
occlusal
toward the crown
coronal
toward the root
apical
the crown of the tooth is covered by what
enamel
forms the bulk of the tooth and surrounds pulp cavity
dentin
contains blood and nerves
pulp cavity
thin bone covering root & enamel of some teeth
cementum
hardest substance in the body
enamel
two classifications of teeth
Brachyodont and hypsodont
classification of teeth: Carnivores, humans, pigs
Ruminant incisors
Brachyodont teeth
Brachyodont teeth have small _____ and well developed ______
crowns
roots
class of teeth that don’t grow continually
Brachyodont teeth
class of teeth: Horse’s incisors & cheek teeth, boar’s canine teeth, rodents, lagomorphs (hares and rabbits)
Hypsodont teeth
Hypsodont teeth have a large reserve of ______ beneath gingiva
crown
class of teeth that grow continually
Hypsodont teeth
brachyodont tooth
hypsodont tooth
two classes of hypsodont teeth
radicular and aradicular
in radicular hypsodont teeth, the apex of roots do what
remain open for a long time
in radicular hypsodont teeth, the apex eventually does what
will close and stop growing
radicular hypsodont teeth are often found in the check of what species
horses
radicular hypsodont teeth often need to be ______, to create a what
floated
level occlusal surface
Aradicular hypsodont teeth often lack what
a true root
Aradicular hypsodont do what continuously through life
grow
Aradicular hypsodont are found is what two species
lagomorphs (hares and rabbits) and some rodents
deciduous teeth
baby teeth
what species have two sets of teeth
all domestic species
deciduous teeth and present in the jaw when
at birth
what species can you sometimes use tooth eruption to estimate age
horses
refers to teeth of different shapes and sizes
heterodont dentition
four different types of teeth in heterodont dentition
incisor
canine
premolar
molar
what do some species have instead of incisors
dental pad