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30 Cards in this Set
- Front
- Back
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Maxillary first molars are formed from five lobes. The fourth lobe develops into a minor cusp. The fifth lobe develops into a supplemental cusp. True or false?
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True
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The eruption time for permanent maxillary central and mandibular lateral is?
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7 to 8 years of age
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Which is not true of deciduous teeth as compared to permanent teeth?
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Narrower pulp chamber
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Which of the following have a rounded distoincisal angle?
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Mandibular incisors
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Fusion involves the joining of two adjacent teeth. True or false?
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True
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The articular disc does not have pain fibers. True or false?
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False
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Canine eminence refers to the:
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projection of bone
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Compared with first molars, third molars most often have:
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closer roots
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How many developmental lobes form from a premolar with two cusp?
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Four; 3 facial and one lingual
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A clinical characteristic of dens in dente is a:
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lingual pit
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Canines are least likely of all permanent teeth to be congenitally missing. True or false?
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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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Permanent mandibular molars are wider mesiodistally than buccolingually. True or false?
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True
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Permanent maxillary canines erupt _______ the mandibular canines.
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one year after
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Which is the last premolar to erupt?
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Maxillary second
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The "Y" pattern represented on the mandibular second premolar would indicate how many total cusps?
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Three
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The crepitus in the TMJ refers to?
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a grating in the joint
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Which deciduous molar has two buccal grooves?
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Mandibular second molar
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The entire TMJ is surrounded by a ...?
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TMJ Capsule
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The slope of bone anterior to the mandibular fossa is the ...?
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Articular eminence
OR Zygomatic process |
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The deciduous mandibular second molar resembles the...?
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Permanent mandibular first molar
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When the distal surface of the mandibular canine is mesial to the mesial surface of the maxillary canine by atleast the width of one premolar this is indicative of which of the following?
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Prognathic
OR Class III Malocclusion |
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Which of the following marks the apical limit of the clinical crown of a tooth?
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gingival margin
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A basic difference between canines and incisors is/are the _____ that is unique to canines.
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Lingual ridge
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The TM ligament helps prevent all movements except _____ movement of the condyle out of the mandibular fossa.
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Medial
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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&1/2
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All permanent first and second mandibular molars have one buccal groove. True or false?
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False
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Mrs. Garcia was upset after being informed that her 11-year-old son has areas of decay on two permanent second molars. Mrs. Garcia was certain that sealants had been placed on all of his molars “about one year ago”. Why would mrs. Garcia be incorrect regarding the sealants being placed on her son’s second molars?
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the second molars probably had not erupted at that time
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Christine has sharp, pointed cusp tips on her maxillary canines. She is 12 years old and has endured some teasing about the “fang-like” appearance of her canines. She asks her dentist if he can change the shape of her canines. The dentist agrees that reducing the cusp tips will result in a positive shange in christine’s appearance. If the maxillary cusp tips are flattened. Which teeth will they most resemble?
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maxillary central incisor
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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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