Make sure to answer all correctly Tooth numbers 18 and 31 are considered mandibu
ID: 3514625 • Letter: M
Question
Make sure to answer all correctly
Tooth numbers 18 and 31 are considered mandibular 2nd molars?
True Or False?
_________________________
Tooth numbers 1, 16, 18, and 31 are considered 3rd molars.
True or false?
_________________________
A cusp on the occlusal table of a posterior tooth always has at least
- One marginal ridge
- two cusp ridges
- three inclined planes
- one triangular ridge
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The mandibular third molar compared to the mandibular second molar is:
- larger in the crown
- less smooth on the occlusal surface
- less variable in form - has longer roots
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the central pit on the occlusal table of the permanent mandibular first molar is usually the point of union of the :
- mesiobuccal, distobuccal, and lingual groove
- mesiobuccal, distobuccal and central grooves
- mesial, distal, and buccal grooves
- mesiobuccal, distobuccal, and buccal grooves
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the smallest cusp of all the major cusps on tooth #3 is the:
- mesiolingual cusp
- distolingual cusp
- mesiobuccal
- distobuccal
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the triangular ridge of each cusp on tooth #31 is inclined toward the:
- buccal groove
- lingual groove
- central groove
- distal groove
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in which portion of the crown are both contact area of the permanent mandibular first molar located?
- middle third
- occlusal third
- cervical third
- incisal third
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between which cusps does the oblique ridge of the permanent maxillary first molar extend on the occlusal table?
- mesiobuccal, distolingual
- mesiolingual distolingual
- mesiolingual, distobuccal
- mesiobuccal, mesiolingual
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which of the following describes the divisions of the roots of the maxillary second molar?
- one mesial and one distal
- one buccal and one lingual
- two lingual and one buccal
- two buccal and one lingual
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- which of the following teeth has the greatest mesiodistal width of any tooth in the oral cavity?
- #19
- #3
- #32
- #15
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Are maxillary molars usually bifurcated with roots being on the mesial and distal?
True or false?
-----------------------------------------
the molars because of their tapered shape, function to tear or pierce food during mastication?
- true or false?
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where are the furcations on maxillary molars?
- buccal mesial, distal
- buccal, distal, lingual
- mesial, distal, lingual
- mesial, buccal, lingual
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the pits and grooves are located on the occlusal and lingual surface of maxillary molars and on the occlusal and buccal of mandibular molars?
- true or false?
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what is the area between the root branches before they divide from the root trunk?
- furcation
- fusion
- dilaceration
- bifurcation
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all maxillary molars are wider BL than MD, in comparison, the mandibular molars are wider MD?
- true or false?
------------------------------------
which cusp is the smallest of the mandibular 1st molar?
- distal
- distal buccal
- mesial buccal -
Mesial lingual
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what root is the largest on a maxillary 1st molar?
- buccal
- mesial buccal
- distal buccal-lingual
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the first molars erupt distal of the 2nd primary molars and are succedaneous?
- true or false?
-------------------------------------------
what cusp does the cusp of carabelli arise from?
- DL
- BD
- ML
- MB
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there is a cross-shaped groove pattern on the mandibular 2nd molar?
- true or false?
---------------------------------------
the maxillary 3rd molars do not have a standard form?
- true or false?
-----------------------------------------
Explanation / Answer
The right permanent mandibular is known as 31 and left mandibular as 18 hence its true
1,16,17,32 are 3rd mandibular hence its false
A cusp on the occlusal table of posterior tooth always has one triangular ridge
The mandibular 3rd molar compared to mandibular 2nd molar is larger in crown,irregular and having shorter roots
Smallest cusp of all major cusp of tooth 3 is mesolingual cusp
The triangular ridge of each cusp on tooth 31 is inclined towards central groove
In which portion of crown are both contact area of permanent mandibular molar located -middle third
Between which cusps does the oblique ridge of permanent maxillary first molar extend on occlusal table of--mesiolingual,distal buccal
Which of the following tooth has greatest width of any tooth in oral---19
Yes maxillary molars usually bifurcated with roots being on mesial and distal
Which cusp does the cusp of carabelli arise from-ML
What root is the largest on maxillary ist molar-mesial buccal.
Which cusp is the smallest of mandibular ist molar---D cusp
Maxillary 3rd molar does not have standard form...Yes it has irregular form
Yes there is a cross shaped groove on 2nd mandibular.
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