Chapter 3 Flashcards
a term used to describe the arrangement of teeth
dentition
primary teeth that will exfoliate and be replaced by permanent dentition
deciduous
the 32 permanent teeth
succedaneous
first stage of development during fetal growth in-utero
initiation
small buds begin to appear that will become the deciduous teeth
proliferation
tooth buds change shape and makeup
differentiation
organic matter sets into place for tissue and growth formation
apposition
tooth tissues harden
calcification
teeth “cut though” the gums
eruption
teeth wear away and reshape as a result of chewing and speech
attrition
partial or complete lack of teeth
anodontia
lack of enamel formation
enamel hypoplasia
unusually large teeth
macrodontia
small teeth
microdontia
lack or incomplete hardening/calcifying of teeth
hypocalcification
hard external tooth covering
enamel
lines that form in the enamel
Bands of Rtezius
cracks in the enamel that extend inward to the tooth
lamellae
main tooth tissue, lies under the enamel
dentin
structures that transmit pain sensations and nutrition to the tissues
tubules
structures lie within the tubules to help register sensation
fibers
center of the tooth. nourish, register pain and protect dentin
pulp
tissue that covers the tooth’s root
cementum
where the cementum unites with enamel
cementoenamel junction CEJ
group of structures that anchor, support and protect the teeth
periodontium
fibers that anchor the tooth in the alveolar socket
periodontal tissues
bony socket in which teeth are located
alveolar tissue
gum tissue
gingiva
tissue that covers the whole root
cementum
refers to the study of teeth and their form
odontology
upper tooth area
maxillary
lower teeth area
madibular
half of the mouth, upper or lower
arch
one quarter of the mouth (half an arch)
quadrant
front of the mouth
anterior
back of the mouth
posterior
eight single-rooted front teeth with sharp cutting edges
incisor
sing-rooted anterior teeth beside the maxillary and mandibular incisors
canine
4th and 5th teeth posterior from the front center of the mouth
premolar or bicuspid
most posterior teeth
molar
refers to the area where roots divide
furcation
top portion of the tooth that is visible
crown
bottom part of the tooth, anchored and not visible
root
cementoenamel junction
cervical line
bottom-most tip of the root
apex
area where two teeth meet beside each other
contact area
if two teeth do not meet and an open space exists
diastema
the V-shaped area between where two teeth meet and the gingiva above or below it
embrasure
lateral area of the tooth that is in contact with the side of another tooth
proximal surface
long-length surface of the tooth
axial surface
imaginary vertical line between the two front teeth that divides the head in two, to produce right and left sides
midline
area of the tooth that faces the cheek and lips
facial or vestibular
posterior teeth that face the cheek
buccal
anterior teeth that face the lips
labial
area of the teeth facing the tongue
lingual
side of the tooth that faces the midline
mesial
side of the tooth that faces away from the midline
distal
top surface of the tooth that meets with the opposing tooth
chewing
chewing surface of anterior teeth
incisal
chewing surface of the posterior teeth
occlusal
bottom-most tip of the tooth, at the root
apical
smooth bump on the lingual side of the anterior teeth, near the cervical line
cingulum
enamel elevations
ridge
irregular depressions most noticeable on the occlusal surface of the posterior teeth
fossa
small point on a crown, an elevation or mound on the occlusal surface
cusp
The mesiolingual surface of the first maxillary molar has a cusp that is a distinguishing characteristic
cusp of Carabelli
scalloped-shaped incisal surface of a newly erupted tooth, wear away
mamelon
small rut on the occlusal surface of posterior teeth
groove
Attrition causes the loss of ____
a) cementum
b) bands of Rhezius
c) dental embrasure
d) mamelon
d
All the upper teeth form ____
a) a quadrant
b) an arch
c) the anterior teeth
d) the posterior teeth
b
What is enamel hypoplasia?
a) lack of enamel
b) discoloured enamel
c) cracked enamel
d) large amounts of enamel
a
The suffix indicates that the study of teeth is ____
a) odontosis
b) odontology
c) odontopathy
d) odontologist
b
Canine teeth are ____
a) only located on the maxillary surface
b) adjacent to the incisors
c) beside the molars
d) posterior
b
. Another term for hypercementosis would be ____
a) cementum hyperplasia
b) cementum xanthodontia
c) cementum macrocele
d) cementum hematopathy
a
Sensation is transmitted to teeth via ____
a) tubules
b) cementum
c) lamellae
d) mamelon
a
What are the smooth ridges on the lingual surface of the incisor teeth?
a) cingula
b) cementa
c) apices
d) axia
a
Where are the cusps of Carabelli located?
a) maxillary first molars
b) mandibular first molars
c) all pre-molars
d) incisor and canine teeth
a
Another term for macrodontia would be ____
a) megalodontia
b) panodontia
c) dorsodontoplasty
d) hyperodontopenia
a
Pain arising from the tooth’s center is called ____
a) cementalgia
b) dentinotis
c) pulpalgia
d) odonoma
c
A tooth that erupts posterior to a molar would be
a) retromolar
b) hypercalcified
c) deciduous
d) arched
a
Why are premolars called bicuspid?
a) they divide into two roots
b) they are located in both arches, and two quadrants
c) they are divided into two types of teeth
d) they have two elevated points on the occlusal surface
d
The periodontium serves to ____
a) register pain sensation
b) nourish teeth with oxygenated blood
c) anchor and support the teeth
d) allow for attrition
c
Which of the following is another term for odontoid?
a) dentiform
b) paradentia
c) odontosis
d) ambidontia
a
The apical surface of the tooth is covered by ____
cementum
he surface of the molar tooth that faces outward, toward the cheek is the ____ surface
buccal
The last stage of tooth development is called
attrition
The clinical term for ‘without teeth’ is
anodontia
CorrectExact Match edentulous
CorrectExact Match edentate
Inflammation of the socket is called
alveolitis
The chewing surface of the back teeth is called the ____ surface
occlusal
The area where roots divide in the multi-rooted tooth is the _
furcation
The ____ is responsible for anchoring, supporting and protecting the teeth
periodontium
The hard substance that covers the tooth’s crown is called
enamel
Primary teeth are called deciduous. Permanent teeth are called
succedaneous
