Question 1

Which of the following permanent teeth can be considered nonsuccedaneous?

Accepted Answer

A)  Incisors 
B)  Canines 
C)  Premolars 
D)  Molars 
A)  Incisors 
B)  Canines 
C)  Premolars 
D)  Molars D

Question 2

During what period of prenatal development is most of the permanent dentition formed?

Accepted Answer

A)  Preimplantation period 
B)  Embryonic period 
C)  Fetal period 
D)  Both embryonic and fetal period 
A)  Preimplantation period 
B)  Embryonic period 
C)  Fetal period 
D)  Both embryonic and fetal period C

Question 3

How many buds in the dental lamina appear along each dental arch during odontogenesis of the primary dentition?

Accepted Answer

A)  5 
B)  10 
C)  15 
D)  20 
A)  5 
B)  10 
C)  15 
D)  20 B

Question 4

Where does the dental lamina begin to form first in the developing dental arches?

Accepted Answer

A)  Near the midline 
B)  Adjacent to the mental foramen 
C)  Over the region of the future molars 
D)  Adjacent to the developing temporomandibular joint 
A)  Near the midline 
B)  Adjacent to the mental foramen 
C)  Over the region of the future molars 
D)  Adjacent to the developing temporomandibular joint

Question 5

Which part of the tooth germ is the primary source for the periodontal ligament of the tooth?

Accepted Answer

A)  Dental sac 
B)  Hertwig epithelial root sheath 
C)  Stratum intermedium 
D)  Central cells of dental papilla 
A)  Dental sac 
B)  Hertwig epithelial root sheath 
C)  Stratum intermedium 
D)  Central cells of dental papilla

Question 6

Nonsuccedaneous permanent teeth develop from buds that grow off an extension of:

Accepted Answer

A)  each successional dental lamina. 
B)  both paired palatal shelves. 
C)  the posterior part of the intermaxillary segment. 
D)  each primary second molar's dental lamina. 
A)  each successional dental lamina. 
B)  both paired palatal shelves. 
C)  the posterior part of the intermaxillary segment. 
D)  each primary second molar's dental lamina.

Question 7

Which embryonic structure is specifically responsible for the development of the root?

Accepted Answer

A)  Stellate reticulum 
B)  Enamel organ 
C)  Stratum intermedium 
D)  Cervical loop 
A)  Stellate reticulum 
B)  Enamel organ 
C)  Stratum intermedium 
D)  Cervical loop

Question 8

The initiation stage of odontogenesis mainly involves the process of:

Accepted Answer

A)  differentiation. 
B)  proliferation. 
C)  induction. 
D)  morphogenesis. 
A)  differentiation. 
B)  proliferation. 
C)  induction. 
D)  morphogenesis.

Question 9

Which of the following statements concerning active eruption of a permanent succedaneous tooth is correct?

Accepted Answer

A)  The tooth erupts when the root is completed. 
B)  The shedding of the associated primary tooth is intermittent. 
C)  The first junctional epithelium is from the surrounding dental sac. 
D)  The tooth actively erupts as gingival recession occurs. 
A)  The tooth erupts when the root is completed. 
B)  The shedding of the associated primary tooth is intermittent. 
C)  The first junctional epithelium is from the surrounding dental sac. 
D)  The tooth actively erupts as gingival recession occurs.

Question 10

Which permanent teeth undergo partial anodontia the most within the developing oral cavity?

Accepted Answer

A)  Third molars 
B)  Mandibular second premolars 
C)  Maxillary lateral incisors 
D)  Maxillary first premolars 
A)  Third molars 
B)  Mandibular second premolars 
C)  Maxillary lateral incisors 
D)  Maxillary first premolars

Question 11

Which of the following statements is correct when considering odontogenesis?

Accepted Answer

A)  Has a clear-cut beginning and end point to the process 
B)  Does not include the maturation of the dental tissues 
C)  Parallels the formation of the face 
D)  Does not have any identifiable stages 
A)  Has a clear-cut beginning and end point to the process 
B)  Does not include the maturation of the dental tissues 
C)  Parallels the formation of the face 
D)  Does not have any identifiable stages

Question 12

The outer cells of the dental papilla are induced to differentiate during tooth development into:

Accepted Answer

A)  pulp tissue. 
B)  preameloblasts. 
C)  odontoblasts. 
D)  cementoblasts. 
A)  pulp tissue. 
B)  preameloblasts. 
C)  odontoblasts. 
D)  cementoblasts.

Question 13

During root development,the Hertwig epithelial root sheath is entirely composed of:

Accepted Answer

A)  all layers of the enamel organ. 
B)  enamel organ and dental papilla. 
C)  inner and outer cells of the dental papilla. 
D)  inner and outer enamel epithelium. 
A)  all layers of the enamel organ. 
B)  enamel organ and dental papilla. 
C)  inner and outer cells of the dental papilla. 
D)  inner and outer enamel epithelium.

Question 14

Which stage of tooth formation occurs for the primary dentition during the eleventh and twelfth week of prenatal development?

Accepted Answer

A)  Bell stage 
B)  Initiation stage 
C)  Cap stage 
D)  Bud stage 
A)  Bell stage 
B)  Initiation stage 
C)  Cap stage 
D)  Bud stage

Question 15

Which part of the enamel organ is the main source of the junctional epithelium?

Accepted Answer

A)  Outer enamel epithelium 
B)  Stellate reticulum 
C)  Stratum intermedium 
D)  Inner enamel epithelium 
A)  Outer enamel epithelium 
B)  Stellate reticulum 
C)  Stratum intermedium 
D)  Inner enamel epithelium

Question 16

Where does the initial teeth for both dentitions develop?

Accepted Answer

A)  Anterior maxillary region 
B)  Anterior mandibular region 
C)  Posterior maxillary region 
D)  Posterior mandibular region 
A)  Anterior maxillary region 
B)  Anterior mandibular region 
C)  Posterior maxillary region 
D)  Posterior mandibular region

Question 17

During the cap stage of tooth development,the tooth germ consists of:

Accepted Answer

A)  enamel organ and dental sac. 
B)  enamel organ and dental papilla. 
C)  enamel organ, dental sac, and dental papilla. 
D)  dental sac and dental papilla. 
A)  enamel organ and dental sac. 
B)  enamel organ and dental papilla. 
C)  enamel organ, dental sac, and dental papilla. 
D)  dental sac and dental papilla.

Question 18

Lack of initiation within the dental lamina results in the absence of a single tooth or multiple teeth,producing:

Accepted Answer

A)  supernumerary teeth. 
B)  anodontia. 
C)  dens in dente. 
D)  germination. 
A)  supernumerary teeth. 
B)  anodontia. 
C)  dens in dente. 
D)  germination.

Question 19

Which of the following structures is not part of the enamel organ?

Accepted Answer

A)  Stellate reticulum 
B)  Stratum intermedium 
C)  Odontoblastic layer 
D)  Outer epithelial cells 
A)  Stellate reticulum 
B)  Stratum intermedium 
C)  Odontoblastic layer 
D)  Outer epithelial cells

Question 20

The dental lamina is an embryonic structure that develops from the:

Accepted Answer

A)  oral epithelium. 
B)  mesenchyme. 
C)  neural crest cells. 
D)  endodermal layer. 
A)  oral epithelium. 
B)  mesenchyme. 
C)  neural crest cells. 
D)  endodermal layer.

Which of the following permanent teeth can be considered nonsuccedaneous?

During what period of prenatal development is most of the permanent dentition formed?

How many buds in the dental lamina appear along each dental arch during odontogenesis of the primary dentition?

Where does the dental lamina begin to form first in the developing dental arches?

Which part of the tooth germ is the primary source for the periodontal ligament of the tooth?

Nonsuccedaneous permanent teeth develop from buds that grow off an extension of:

Which embryonic structure is specifically responsible for the development of the root?

The initiation stage of odontogenesis mainly involves the process of:

Which of the following statements concerning active eruption of a permanent succedaneous tooth is correct?

Which permanent teeth undergo partial anodontia the most within the developing oral cavity?

Which of the following statements is correct when considering odontogenesis?

The outer cells of the dental papilla are induced to differentiate during tooth development into:

During root development,the Hertwig epithelial root sheath is entirely composed of:

Which stage of tooth formation occurs for the primary dentition during the eleventh and twelfth week of prenatal development?

Which part of the enamel organ is the main source of the junctional epithelium?

Where does the initial teeth for both dentitions develop?

During the cap stage of tooth development,the tooth germ consists of:

Lack of initiation within the dental lamina results in the absence of a single tooth or multiple teeth,producing:

Which of the following structures is not part of the enamel organ?

The dental lamina is an embryonic structure that develops from the:

Face and Neck Regions

Oral Cavity and Pharynx

Prenatal Development

Face and Neck Development

Orofacial Development

Cells

Basic Tissue

Oral Mucosa

Gingival and Dentogingival Junctional Tissue

Head and Neck Structures

Enamel

Dentin and Pulp

Periodontium: Cementum, Alveolar Process, and Periodontal Ligament

Overview of Dentitions

Permanent Anterior Teeth

Permanent Posterior Teeth

Primary Dentition

Temporomandibular Joint

Occlusion

Filters

Exam 6: Tooth Development and Eruption

Which of the following permanent teeth can be considered nonsuccedaneous?

During what period of prenatal development is most of the permanent dentition formed?

How many buds in the dental lamina appear along each dental arch during odontogenesis of the primary dentition?

Where does the dental lamina begin to form first in the developing dental arches?

Which part of the tooth germ is the primary source for the periodontal ligament of the tooth?

Nonsuccedaneous permanent teeth develop from buds that grow off an extension of:

Which embryonic structure is specifically responsible for the development of the root?

The initiation stage of odontogenesis mainly involves the process of:

Which of the following statements concerning active eruption of a permanent succedaneous tooth is correct?

Which permanent teeth undergo partial anodontia the most within the developing oral cavity?

Which of the following statements is correct when considering odontogenesis?

The outer cells of the dental papilla are induced to differentiate during tooth development into:

During root development,the Hertwig epithelial root sheath is entirely composed of:

Which stage of tooth formation occurs for the primary dentition during the eleventh and twelfth week of prenatal development?

Which part of the enamel organ is the main source of the junctional epithelium?

Where does the initial teeth for both dentitions develop?

During the cap stage of tooth development,the tooth germ consists of:

Lack of initiation within the dental lamina results in the absence of a single tooth or multiple teeth,producing:

Which of the following structures is not part of the enamel organ?

The dental lamina is an embryonic structure that develops from the:

Face and Neck Regions

Oral Cavity and Pharynx

Prenatal Development

Face and Neck Development

Orofacial Development

Cells

Basic Tissue

Oral Mucosa

Gingival and Dentogingival Junctional Tissue

Head and Neck Structures

Enamel

Dentin and Pulp

Periodontium: Cementum, Alveolar Process, and Periodontal Ligament

Overview of Dentitions

Permanent Anterior Teeth

Permanent Posterior Teeth

Primary Dentition

Temporomandibular Joint

Occlusion

Filters