Dental anatomy exam 1
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35 Terms
Primary teeth form
14 weeks
Primary teeth complete
3 years
Primary teeth appear
6 months
Primary teeth last emmerge
28-30 months
Primary teeth remain until around
6 years
Primary teeth are also known as
deciduous teeth
Permanent teeth are sometimes known as
Succedaneous
Succedaneous dentition
Permanent teeth that replace primary teeth. They HAVE to replace to be Succedaneous.
Transitional\mixed definition
Primary and permanent teeth mixed. Normally around 6-12 years old.
Permanent teeth completion
14-15 years, normally 18-25 for 3rd molars (wisdom)
What teeth are Succedaneous to the 1st and 2nd primary molars?
1st & 2nd primary premolars
Universal
A-K primary, 1-32 permanent
Palmer
Adult is #, primary is letter!
Most of the tooth is made of
dentin
What is the clinical crown?
Portion of the tooth visible in the mouth
What is the anatomical crown?
portion of the tooth covered by enamel
The root is covered with
cementum, a thin layer
Pulp cavity
A pulp chamber (crown) and pulp canals (root)
Three hard tissues of teeth
Enamel, cementum, dentin
One soft tissue of tooth
Pulp
alveolar process
Tooth sockets, gums
Facial
Labial and buccal
Buccal
cheek region
labial
Toward the lips. Used in reference to the incisors and canines
Which 4 teeth have mesial surfaces that contact each other?
Central incisors
Cusp
Elevation or mound of tooth
Tubercle
Smaller elevation on portion of crown
Cingulum
lingual lobe of anterior teeth
Ridge
Linear elevation on tooth
Cusp of Carabelli
Like an extra butt for the tooth
Marginal ridge
Rounded, raised border on the mesial and distal portions of the lingual surfaces of anterior teeth and the occlusal table of posterior teeth.
Triangular ridge
An elevation of enamel that descends from the cusp into the middle area of the occlusal surface. Molars, premolars, sometimes lingual surfaces & max incisors
Transverse ridge
Ridge formed by joining of two triangular ridges crossing occlusal table transversely or from labial to lingual outline
Oblique ridge
Transverse ridge that crosses occlusal table obliquely from mesiolingual to distobuccal on most maxillary molars
Fossa
Relatively deep pit or depression