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22 Cards in this Set
- Front
- Back
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The slope of bone anterior to the mandibular fossa is the _____.
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articular eminence
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The entire TMJ is surrounded by a ______.
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TMJ capsule
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The deciduous mandibular second molar resembles the _______.
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permanent mandibular first molar
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Which deciduous molar has two buccal grooves?
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mandibular second molar
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When the distal surface of the mandibular canine is mesial to the mesial surface of the maxillary canine by at least a width of one premolar this is indicative of which of the following?
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Class III prognathic
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A basic difference between canine and incisors is/are ______ that is unique to canines.
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Lingual ridge
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The TMJ ligament helps prevent all movements except ______ movement of the condyle out of the mandibular fossa.
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medial
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A clinical characteristic of dens en dente is _________.
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deep crevice primarily
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The root length of a permanent maxillary lateral incisor is about _____ the length of the crown.
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1.37
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All permanent 1st and 2nd mandibular molars have 1 buccal groove.
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False
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What is NOT true of deciduous teeth?
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narrower pulp chamber
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The spaces that occur between deciduous canines, first molars, and second molars:
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Leeway spaces
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Fusion involves the joining of two adjacent teeth.
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True
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The articular disc does not have pain fibers.
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False
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The permanent maxillary first molars are formed from 5 lobes. The 4th lobe develops into a minor cusp and the 5th lobe develops into a supplemental cusp.
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Both true
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Case study
Christine has sharp, pointed cusp tips on her maxillary canines. She is 12 yrs. old and has endured some teasing about the "fang-like" appearance of her canines. The dentist agrees that reducing the cusp tips will result in a positive change in her appearance. If the maxillary cusp tips are flattened, which teeth will they most resemble? |
maxillary central incisors
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Compared with first molars, third molars most often have ______.
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closer roots
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A clinical characteristic of dens en dente is a ________.
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lingual pit
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Canines are most likely of all permanent teeth to be missing.
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True
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A dilacerated root is one that exhibits?
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a sharp bend in the root
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Case study
Mrs. Garcia was upset after being informed that her 11 yr. old son has areas of decay on two permanent second molars. She was certain that sealants had been placed on all his molars "about a year ago". Why would she be incorrect regarding the sealants being placed on her son's second molars? |
the second molars don't erupt until age 11-13, so his second molars were not there a year ago
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The "Y" pattern represented on the mandibular second premolar would indicate how many total cusps?
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3
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