Question 1

Which deciduous molar has three or four cusps,an oblique ridge,three roots,and often has no distal pit (Select all that apply. )?

Accepted Answer

A)  Maxillary first 
B)  Maxillary second 
C)  Mandibular first 
D)  Mandibular second 
A)  Maxillary first 
B)  Maxillary second 
C)  Mandibular first 
D)  Mandibular second A

Question 2

MATCHING
During the mixed dentition,it is often challenging to distinguish deciduous and permanent teeth.While there are many similarities,significant differences exist.Match the descriptive term with its corresponding tooth.
-Maxillary first molar

Accepted Answer

A) Facial 
B) No mamelons are visible. 
C) Roots are almost twice the length of crowns. 
D) Resembles the permanent mandibular first molar 
E) Primary tooth that bears least resemblance to another tooth 
A) Facial 
B) No mamelons are visible. 
C) Roots are almost twice the length of crowns. 
D) Resembles the permanent mandibular first molar 
E) Primary tooth that bears least resemblance to another tooth E

Question 3

The buccocervical ridges on the deciduous molars are quite pronounced.The second molar shows the most prominence.

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. 
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. B

Question 4

The deciduous lateral incisors erupt prior to the central incisors.Lateral incisors erupt between 13 and 19 months whereas central incisors erupt between 16 and 22 months.

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. 
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.

Question 5

MATCHING
During the mixed dentition,it is often challenging to distinguish deciduous and permanent teeth.While there are many similarities,significant differences exist.Match the descriptive term with its corresponding tooth.
-Maxillary central incisors

Accepted Answer

A) Facial 
B) No mamelons are visible. 
C) Roots are almost twice the length of crowns. 
D) Resembles the permanent mandibular first molar 
E) Primary tooth that bears least resemblance to another tooth 
A) Facial 
B) No mamelons are visible. 
C) Roots are almost twice the length of crowns. 
D) Resembles the permanent mandibular first molar 
E) Primary tooth that bears least resemblance to another tooth

Question 6

Which deciduous root has two canals?

Accepted Answer

A)  Maxillary lateral incisor 
B)  Maxillary second molar,mesiobuccal root 
C)  Mandibular canine 
D)  Mandibular second molar,mesial root 
A)  Maxillary lateral incisor 
B)  Maxillary second molar,mesiobuccal root 
C)  Mandibular canine 
D)  Mandibular second molar,mesial root

Question 7

Deciduous canines erupt before first molars.

Accepted Answer

A) True 
 B)False

Question 8

Primary teeth are whiter than their permanent successors.They are smaller in crown dimension but have roots approximately the same size as the permanent dentition.

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. 
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.

Question 9

The root of the mandibular lateral incisor has a mesial and distal longitudinal grove running in a circular fashion.The mandibular central incisor root does not have any grooves or depressions.

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. 
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.

Question 10

Deciduous maxillary molars have a well-developed cusp of Carabelli.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following statements accurately describe the deciduous maxillary first molar (Select all that apply. )?

Accepted Answer

A)  This tooth closely resembles the permanent maxillary second premolar. 
B)  This tooth is the most atypical of all maxillary molars. 
C)  This tooth is the most typical of all maxillary molars,closely resembling deciduous maxillary second molars. 
D)  Like all other maxillary molars,this tooth is wider buccolingually than mesiodistally. 
E)  The crown may have three or four cusps. 
A)  This tooth closely resembles the permanent maxillary second premolar. 
B)  This tooth is the most atypical of all maxillary molars. 
C)  This tooth is the most typical of all maxillary molars,closely resembling deciduous maxillary second molars. 
D)  Like all other maxillary molars,this tooth is wider buccolingually than mesiodistally. 
E)  The crown may have three or four cusps.

Question 12

The largest cusp on the deciduous maxillary second molar is the mesiolingual cusp.

Accepted Answer

A) True 
 B)False

Question 13

MATCHING
During the mixed dentition,it is often challenging to distinguish deciduous and permanent teeth.While there are many similarities,significant differences exist.Match the descriptive term with its corresponding tooth.
-Primary mandibular second molar

Accepted Answer

A) Facial 
B) No mamelons are visible. 
C) Roots are almost twice the length of crowns. 
D) Resembles the permanent mandibular first molar 
E) Primary tooth that bears least resemblance to another tooth 
A) Facial 
B) No mamelons are visible. 
C) Roots are almost twice the length of crowns. 
D) Resembles the permanent mandibular first molar 
E) Primary tooth that bears least resemblance to another tooth

Question 14

At 3 to 4 years of age,the coronal aspect of the root begins to resorb and continues apically until the tooth is shed.The process of shedding the deciduous dentition and replacement by permanent successors is called exfoliation.

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. 
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.

Question 15

Teeth that erupt between 16 and 22 months of age are the deciduous

Accepted Answer

A)  lateral incisors 
B)  canines 
C)  first molars 
D)  second molars 
A)  lateral incisors 
B)  canines 
C)  first molars 
D)  second molars

Question 16

Which is the largest root on deciduous maxillary molars?

Accepted Answer

A)  Mesiobuccal 
B)  Mesiolingual 
C)  Distobuccal 
D)  Lingual 
A)  Mesiobuccal 
B)  Mesiolingual 
C)  Distobuccal 
D)  Lingual

Question 17

Although it is much smaller,the deciduous maxillary second molar resembles its permanent molar successor because the deciduous maxillary second molar has two equal-sized cusps divided by a buccal groove.

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. 
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.

Question 18

Root trunks of deciduous molars are long.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following statements accurately describe the deciduous maxillary lateral incisor (Select all that apply. )?

Accepted Answer

A)  The crown is smaller than a central incisor's crown. 
B)  The root of the lateral incisor appears much longer than its crown. 
C)  A common anomaly is that the maxillary lateral incisor appears peg-shaped. 
D)  The lateral incisor shows considerable variation in form. 
E)  This tooth appears similar to a deciduous central incisor. 
A)  The crown is smaller than a central incisor's crown. 
B)  The root of the lateral incisor appears much longer than its crown. 
C)  A common anomaly is that the maxillary lateral incisor appears peg-shaped. 
D)  The lateral incisor shows considerable variation in form. 
E)  This tooth appears similar to a deciduous central incisor.

Question 20

MATCHING
During the mixed dentition,it is often challenging to distinguish deciduous and permanent teeth.While there are many similarities,significant differences exist.Match the descriptive term with its corresponding tooth.
-Buccal

Accepted Answer

A) Facial 
B) No mamelons are visible. 
C) Roots are almost twice the length of crowns. 
D) Resembles the permanent mandibular first molar 
E) Primary tooth that bears least resemblance to another tooth 
A) Facial 
B) No mamelons are visible. 
C) Roots are almost twice the length of crowns. 
D) Resembles the permanent mandibular first molar 
E) Primary tooth that bears least resemblance to another tooth

Exam 16: Deciduous Dentition

Which deciduous molar has three or four cusps,an oblique ridge,three roots,and often has no distal pit (Select all that apply. )?

MATCHING During the mixed dentition,it is often challenging to distinguish deciduous and permanent teeth.While there are many similarities,significant differences exist.Match the descriptive term with its corresponding tooth. -Maxillary first molar

The buccocervical ridges on the deciduous molars are quite pronounced.The second molar shows the most prominence.

The deciduous lateral incisors erupt prior to the central incisors.Lateral incisors erupt between 13 and 19 months whereas central incisors erupt between 16 and 22 months.

MATCHING During the mixed dentition,it is often challenging to distinguish deciduous and permanent teeth.While there are many similarities,significant differences exist.Match the descriptive term with its corresponding tooth. -Maxillary central incisors

Which deciduous root has two canals?

Deciduous canines erupt before first molars.

Primary teeth are whiter than their permanent successors.They are smaller in crown dimension but have roots approximately the same size as the permanent dentition.

The root of the mandibular lateral incisor has a mesial and distal longitudinal grove running in a circular fashion.The mandibular central incisor root does not have any grooves or depressions.

Deciduous maxillary molars have a well-developed cusp of Carabelli.

Which of the following statements accurately describe the deciduous maxillary first molar (Select all that apply. )?

The largest cusp on the deciduous maxillary second molar is the mesiolingual cusp.

MATCHING During the mixed dentition,it is often challenging to distinguish deciduous and permanent teeth.While there are many similarities,significant differences exist.Match the descriptive term with its corresponding tooth. -Primary mandibular second molar

At 3 to 4 years of age,the coronal aspect of the root begins to resorb and continues apically until the tooth is shed.The process of shedding the deciduous dentition and replacement by permanent successors is called exfoliation.

Teeth that erupt between 16 and 22 months of age are the deciduous

Which is the largest root on deciduous maxillary molars?

Although it is much smaller,the deciduous maxillary second molar resembles its permanent molar successor because the deciduous maxillary second molar has two equal-sized cusps divided by a buccal groove.

Root trunks of deciduous molars are long.

Which of the following statements accurately describe the deciduous maxillary lateral incisor (Select all that apply. )?

MATCHING During the mixed dentition,it is often challenging to distinguish deciduous and permanent teeth.While there are many similarities,significant differences exist.Match the descriptive term with its corresponding tooth. -Buccal

Oral Cavity

The Tooth: Functions and Terms

Fundamental and Preventive Curvatures

Dentition

Development, form, and Eruption

Occlusion

Dental Anomalies

Supporting Structures

Clinical Considerations

Tooth Identification

Root Morphology

Incisors

Canines

Premolars

Molars

Basic Tissues

Development of Orofacial Complex

Dental Lamina and Enamel Organ

Enamel, Dentin, and Pulp

Root Formation and Attachment Apparatus

Eruption and Shedding of Teeth

Oral Mucous Membrane

The Tongue

Histology of the Salivary Glands

Osteology of the Skull

Nose, Nasal Cavity, and Paranasal Sinuses

Muscles of Mastication, Hyoid Muscles, and Sternocleidomastoid and Trapezius Muscles

Tempo-romandibular Joint

Muscles of Facial Expression

Soft Palate and Pharynx

Arterial Supply and Venous Drainage

Salivary Glands

Nervous System

Lymphatics and Spread of Dental Infection

Anatomical Considerations of Local Anesthesia

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