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what is the composition of enamel? ____% inorganic matter, _____% organic, ____% water
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dentin has ___% inorganic, ____% organic, and _____% water
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when the cementum and enamel do not meet, there is a smal zone of dentin exposed in ___% of teeth, this is called:
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when the cementum and enamel touch, this is called _____ and it happens in ___% of teeth
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when the cementum is on top of the enamel it is called _______. hygienists do not like this so much, but your teeth do! It occurs in about ____% of teeth
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the portion of the tooth that contains the mass of the pulp is called
the pulp CHAMBER!
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what are the extensions of the coronal pulp into the cusps of posterior teeth?
pulp horny HORNS!
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the dentin type AROUND the tubule, highly mineralized is called:
peritubular dentin
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the type of dentin BETWEEN the tubules is:
INTERTUBULAR dentin
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the FIRST predentin that forms and the first to mature and is perpendicular to the DEJ is called:
MANTLE dentin
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what type of dentin is next to the PULP, forms and immatures after the dentin and is parallel to the DEJ?
circumPULPal dentin
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Type of dentin formed in the tooth before the complete formation of apical foramen, in a regular pattern:
PRIMARY dentin
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Type of dentin laid after the completion of the apical formation. certain meds can stimulate this dentin (i.e. dycal)
SECONDARY dentin
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Type of dentin that is reparative, and formed in response to trauma is called:
TERTIARY dentin
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what are the distinguishing features of the MAX CENTRAL incisors? (2)
- widest M-D
- imbrication lines
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what are distinguishing features of MAX LATERALS? (2)
- crown has greatest degree of variation in form EXCEPT 3rds.
- congenitally missing
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the mandibular CENTRALS distinguishing features are: (2)
- MOST symmetrical
- SMALLER than laterals
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the mandibular LATERAL distinguishing features are:
- slightly LARGER than centrals
- crown appears DISTALLY oriented
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which teeth are the smoothest because they have no cingulum and are the smallest?
mandibular incisors
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what other teeth do the mandibular canines resemble from the lingual aspect?
mandibular laterals
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from the facial, mandibular canines most resemble:
maxillary canines
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on incisors, the mesial marginal ridge is more_____ and the distal marginal ridge is more_______
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what are the functions of premolars? (2)
tearing and grinding (oh baby!)
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the first mandibular premolar resembles:
a canine
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a bifurcated root is found on which premolars?
max 1st premolars!
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which premolar has a non-functional lingual cusp but functional buccal cusp?
mandibular 1st premolar
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what are the succedaneous teeth that replace the primary 1st and 2nd molars?
1st and 2nd premolars! Yay! this if fun!
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R/L distinguishing features of which premolar are:
mesially displaced lingual cusp
mesial concavity
mesial cusp slope longer than distal cusp slope on buccal cusp
Max 1st premolar
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R/L distinctions of which premolar are:
lingual cusp displaced toward mesial?
Max 2nd premolars
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R/L distinctions of which premolar are:
mesial cusp slope shorter than distal
distal margin more rounded
man 1st premolar (that one was easy! not!)
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R/L distinctions of which premolar are:
2 cusps: lingual cusp shifts mesially
3 cusps: ML cusp larger
ROOT: proximal root concavities
dead give away, it is the man 2nd premolar!
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which tooth can have the cusp of carabelli?
the MAX 1st Molar!
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which lingual root is the largest and longest?
max 1st molars
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T/F all MAX MOLARS can account for sinusitis?
TRUUUUUEEEEE
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which occlusal table has the cross-shaped groove pattern?
MAN 2nd molars!!!!!!!! NICE! I don't see it, but i can dream it!
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