Question 1

MATCHING
Root and crown anatomy of molars varies significantly.The basis of a dental practitioner's ability to evaluate and recommend appropriate treatment is based on a sound understanding of anatomical features.Match the descriptions with the appropriate teeth.
-Maxillary first molar

Accepted Answer

A)  Small distal cusp
B)  Cusp of Carabelli
C)  Four equal cusps
D)  Often has two fused roots
E)  Calcifies at three years of ageF) C) and D)
G) A) and B)

Question 2

MATCHING
Root and crown anatomy of molars varies significantly.The basis of a dental practitioner's ability to evaluate and recommend appropriate treatment is based on a sound understanding of anatomical features.Match the descriptions with the appropriate teeth.
-Mandibular second molar

Accepted Answer

A)  Small distal cusp
B)  Cusp of Carabelli
C)  Four equal cusps
D)  Often has two fused roots
E)  Calcifies at three years of ageF) All of the above
G) C) and D)

Question 3

The root completion for the maxillary first molar is how many years of age?

Accepted Answer

A)   6
B)   8
C)   9 to 10
D)   11 to 12E) A) and C)
F) B) and D)

Question 4

Permanent maxillary first molars are classified as succedaneous teeth.They are generally the largest of the three molars.

Accepted Answer

A)   Both statements are true.
B)   The first statement is true;the second statement is false.
C)   The first statement is false,the second statement is true.
D)   Both statements are false.E) A) and D)
F) None of the above

Question 5

Maxillary molars have an oblique ridge.The oblique ridge is a marginal ridge.

Accepted Answer

A)   Both the statement and the reason are correct and related.
B)   Both the statement and the reason are correct but are NOT related.
C)   The statement is correct,but the reason is NOT correct.
D)   The statement is NOT correct,but the reason is correct.
E)   NEITHER the statement NOR the reason is correct.F) B) and C)
G) C) and E)

Question 6

Accessional is another term for nonsuccedaneous.

Accepted Answer

A) True 
 B)False

Question 7

Mandibular molars are wider mesiodistally than buccolingually.

Accepted Answer

A) True 
 B)False

Question 8

In the figure below,"a" represents the ____________.

Accepted Answer

mesiolingual triangular groove
This is a...

Question 9

In the figure below,"c" represents the ____________.

Accepted Answer

fifth cusp
This is an illustration of th...

Question 10

MATCHING
Root and crown anatomy of molars varies significantly.The basis of a dental practitioner's ability to evaluate and recommend appropriate treatment is based on a sound understanding of anatomical features.Match the descriptions with the appropriate teeth.
-Mandibular first molar

Accepted Answer

A)  Small distal cusp
B)  Cusp of Carabelli
C)  Four equal cusps
D)  Often has two fused roots
E)  Calcifies at three years of ageF) C) and D)
G) A) and B)

Question 11

The distolingual cusp of a maxillary first molar is quite small and considered afunctional.This cusp occupies 10% of the lingual surface and the mesiolingual cusp occupies the remaining 90% of the lingual surface.

Accepted Answer

A)   Both statements are true.
B)   The first statement is true;the second statement is false.
C)   The first statement is false;the second statement is true.
D)   Both statements are false.E) C) and D)
F) A) and B) D

Question 12

Which molar's occlusal groove pattern resembles a cross (+) ?

Accepted Answer

A)   Maxillary first
B)   Maxillary second
C)   Mandibular first
D)   Mandibular secondE) A) and B)
F) A) and C)

Question 13

In the figure below,"b" represents the ____________.

Accepted Answer

mesiolingual cusp
This is an illustratio...

Question 14

Maxillary molars have sturdy anchorage because the two roots are connected to a single root trunk.

Accepted Answer

A)   Both the statement and the reason are correct and related.
B)   Both the statement and the reason are correct but are NOT related.
C)   The statement is correct,but the reason is NOT correct.
D)   The statement is NOT correct,but the reason is correct.
E)   NEITHER the statement NOR the reason is correct.F) A) and B)
G) None of the above

Question 15

Each of the following structures is present on maxillary first molars EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)   Central pit
B)   Buccal groove
C)   Lingual marginal ridge
D)   Distal pitE) A) and B)
F) All of the above

Question 16

The calcification of both maxillary and mandibular first molars is evident at birth.The calcification of maxillary third molars is evident at 5 years whereas calcification of mandibular third molars is evident at 7 years.

Accepted Answer

A)   Both statements are true.
B)   The first statement is true;the second statement is false.
C)   The first statement is false;the second statement is true.
D)   Both statements are false.E) None of the above
F) A) and D) B

Question 17

Each of the following statements correctly describes maxillary molars EXCEPT one.Which one is the EXCEPTION?

Accepted Answer

A)   Roots become shorter as the maxillary molar is more posterior.
B)   Second molar roots are closer together than first molars.
C)   Third molar roots are usually smaller than first or second molars.
D)   First molar roots show the most variation in root form of all three molars.E) All of the above
F) B) and C)

Question 18

Roots of the mandibular molars are inclined mesially.

Accepted Answer

A) True 
 B)False

Question 19

The mesial root of the mandibular first molar often has

Accepted Answer

A)   one pulp canal
B)   two pulp canals
C)   two distinct mesial roots
D)   dilacerationE) A) and B)
F) A) and C) B

Question 20

Compared with first molars,third molars most often have

Accepted Answer

A)   more roots
B)   longer roots
C)   closer roots
D)   less defined rootsE) B) and C)
F) A) and B)

Exam 15: Molars

MATCHING Root and crown anatomy of molars varies significantly.The basis of a dental practitioner's ability to evaluate and recommend appropriate treatment is based on a sound understanding of anatomical features.Match the descriptions with the appropriate teeth. -Maxillary first molar

Correct AnswerverifiedShow Answer

MATCHING Root and crown anatomy of molars varies significantly.The basis of a dental practitioner's ability to evaluate and recommend appropriate treatment is based on a sound understanding of anatomical features.Match the descriptions with the appropriate teeth. -Mandibular second molar

Correct AnswerverifiedShow Answer

The root completion for the maxillary first molar is how many years of age?

Correct AnswerverifiedShow Answer

Permanent maxillary first molars are classified as succedaneous teeth.They are generally the largest of the three molars.

Correct AnswerverifiedShow Answer

Maxillary molars have an oblique ridge.The oblique ridge is a marginal ridge.

Correct AnswerverifiedShow Answer

Accessional is another term for nonsuccedaneous.

Correct AnswerverifiedShow Answer

Mandibular molars are wider mesiodistally than buccolingually.

Correct AnswerverifiedShow Answer

In the figure below,"a" represents the ____________.

Correct Answerverifiedmesiolingual triangular grooveThis is a...View AnswerShow Answer

In the figure below,"c" represents the ____________.

Correct Answerverifiedfifth cuspThis is an illustration of th...View AnswerShow Answer

MATCHING Root and crown anatomy of molars varies significantly.The basis of a dental practitioner's ability to evaluate and recommend appropriate treatment is based on a sound understanding of anatomical features.Match the descriptions with the appropriate teeth. -Mandibular first molar

Correct AnswerverifiedShow Answer

The distolingual cusp of a maxillary first molar is quite small and considered afunctional.This cusp occupies 10% of the lingual surface and the mesiolingual cusp occupies the remaining 90% of the lingual surface.

Correct AnswerverifiedD

Which molar's occlusal groove pattern resembles a cross (+) ?

Correct AnswerverifiedShow Answer

In the figure below,"b" represents the ____________.

Correct Answerverifiedmesiolingual cuspThis is an illustratio...View AnswerShow Answer

Maxillary molars have sturdy anchorage because the two roots are connected to a single root trunk.

Correct AnswerverifiedShow Answer

Each of the following structures is present on maxillary first molars EXCEPT one.Which one is the EXCEPTION?

Correct AnswerverifiedShow Answer

The calcification of both maxillary and mandibular first molars is evident at birth.The calcification of maxillary third molars is evident at 5 years whereas calcification of mandibular third molars is evident at 7 years.

Correct AnswerverifiedB

Each of the following statements correctly describes maxillary molars EXCEPT one.Which one is the EXCEPTION?

Correct AnswerverifiedShow Answer

Roots of the mandibular molars are inclined mesially.

Correct AnswerverifiedShow Answer

The mesial root of the mandibular first molar often has

Correct AnswerverifiedB

Compared with first molars,third molars most often have

Correct AnswerverifiedShow Answer

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mesiolingual triangular groove
This is a...
View Answer

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fifth cusp
This is an illustration of th...
View Answer

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D

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mesiolingual cusp
This is an illustratio...
View Answer

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B

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B

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