MDS PREP

The smallest and most inaccessible root canal-in the maxillary second molar is the
1. faciolingual
2. mesiobuccal
3. lingual
4. distobuccal

Dental Anatomy Answer: 4

The smallest and most inaccessible root canal-in the maxillary second molar is the distobuccal

The canine eminence is

1. associated with the mandibular canine only

2. the labial ridge on the crown of canine

3. an osseous structure surrounding the root of a canine on the facial aspect

4. the prominent ridge on the lingual surface of a maxillary canine

Dental Anatomy Answer: 3

The canine eminence is
an osseous structure surrounding the root of a canine on the facial aspect

The oral mucosa covering the base of the alveolar bone

1. is normally non-keratinized but can become keratinized in response to

physiological stimulation

2. is closely bound to underlying muscle and bone

3. does not contain elastic fibers

4. merges with the keratinized gingiva at the mucogingival junction

Dental Anatomy Answer: 4

How many pulp horns are usually present in a typical primary mandibular first molar?
1. 1
2. 2
3. 3
4. 4

Dental Anatomy Answer: 4

The permanent mandibular second molar differs from the permanent mandibular first molar in the number of
1. marginal ridges
2. roots
3. cusps
4. lingual grooves

Dental Anatomy Answer: 3

Approximately what percentage of root ca is completed at the time the tooth erupts?
1. 25
2. 50
3. 75
4. 90

Dental Anatomy Answer: 2

Each of the following PDL fiber groups is found in association with a central incisor EXCEPT one. Which one is this EXCEPTION?
1. Apical
2. Interradicular
3. Horizontal
4. Alveolar crest

Dental Anatomy Answer: 2

Which of the following describes the anatomic progression from mandibular first to third molars?
1. The roots become more divergent.
2. The crowns and roots become longer.
3. The crowns and roots become shorter.
4. The crowns become longer, but the roots get shorter.

MDS PREP

The smallest and most inaccessible root canal-in the maxillary second molar is the
1. faciolingual
2. mesiobuccal
3. lingual
4. distobuccal

The canine eminence is

1. associated with the mandibular canine only

2. the labial ridge on the crown of canine

3. an osseous structure surrounding the root of a canine on the facial aspect

4. the prominent ridge on the lingual surface of a maxillary canine

How many pulp horns are usually present in a typical primary mandibular first molar?
1. 1
2. 2
3. 3
4. 4

The permanent mandibular second molar differs from the permanent mandibular first molar in the number of
1. marginal ridges
2. roots
3. cusps
4. lingual grooves

Approximately what percentage of root ca is completed at the time the tooth erupts?
1. 25
2. 50
3. 75
4. 90

Each of the following PDL fiber groups is found in association with a central incisor EXCEPT one. Which one is this EXCEPTION?
1. Apical
2. Interradicular
3. Horizontal
4. Alveolar crest

Which of the following describes the anatomic progression from mandibular first to third molars?
1. The roots become more divergent.
2. The crowns and roots become longer.
3. The crowns and roots become shorter.
4. The crowns become longer, but the roots get shorter.

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MDS PREP

The smallest and most inaccessible root canal-in the maxillary second molar is the 1. faciolingual 2. mesiobuccal 3. lingual 4. distobuccal

The canine eminence is 1. associated with the mandibular canine only 2. the labial ridge on the crown of canine 3. an osseous structure surrounding the root of a canine on the facial aspect 4. the prominent ridge on the lingual surface of a maxillary canine

How many pulp horns are usually present in a typical primary mandibular first molar?1. 1 2. 23. 34. 4

The permanent mandibular second molar differs from the permanent mandibular first molar in the number of 1. marginal ridges 2. roots 3. cusps 4. lingual grooves

Approximately what percentage of root ca is completed at the time the tooth erupts? 1. 25 2. 50 3. 75 4. 90

Each of the following PDL fiber groups is found in association with a central incisor EXCEPT one. Which one is this EXCEPTION? 1. Apical 2. Interradicular 3. Horizontal 4. Alveolar crest

Which of the following describes the anatomic progression from mandibular first to third molars?1. The roots become more divergent. 2. The crowns and roots become longer. 3. The crowns and roots become shorter. 4. The crowns become longer, but the roots get shorter.

Explore by subjects

The smallest and most inaccessible root canal-in the maxillary second molar is the
1. faciolingual
2. mesiobuccal
3. lingual
4. distobuccal

The canine eminence is

1. associated with the mandibular canine only

2. the labial ridge on the crown of canine

3. an osseous structure surrounding the root of a canine on the facial aspect

4. the prominent ridge on the lingual surface of a maxillary canine

How many pulp horns are usually present in a typical primary mandibular first molar?
1. 1
2. 2
3. 3
4. 4

The permanent mandibular second molar differs from the permanent mandibular first molar in the number of
1. marginal ridges
2. roots
3. cusps
4. lingual grooves

Approximately what percentage of root ca is completed at the time the tooth erupts?
1. 25
2. 50
3. 75
4. 90

Each of the following PDL fiber groups is found in association with a central incisor EXCEPT one. Which one is this EXCEPTION?
1. Apical
2. Interradicular
3. Horizontal
4. Alveolar crest

Which of the following describes the anatomic progression from mandibular first to third molars?
1. The roots become more divergent.
2. The crowns and roots become longer.
3. The crowns and roots become shorter.
4. The crowns become longer, but the roots get shorter.