MDS PREP

The beginning of active eruption of a human tooth occurs

1. before the root has begun to develop

2. coincidental with the beginning of root formation

3. before the root has begun to develop

4. after one half of the root is formed

Dental Anatomy Answer: 4

The beginning of active eruption of a human tooth occurs after one half of the root is formed

A mandibular primate space is usually found in the primary dentition between
1. first and second molars
2. central and lateral incisors
3. lateral incisor and canine
4. canine and first molar

Dental Anatomy Answer: 4

A mandibular primate space is usually found in the primary dentition between canine and first molar

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

The last permanent incisor to erupt are most likely the
1. mandibular centrals
2. maxilary laterals
3. maxillary third molars
4. maxillary centrals

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 offers the greatest degree of protection for lips, cheeks, and tongue?
1. Sensory function of the periodontal ligament
2. Adjacent contact of teeth
3. Horizontal overlap (overjet)
4. Deflecting function of ridges

Dental Anatomy Answer: 3

The period of mixed dentition exist
1. before 6 years of age
2. before the eruption of the permanent incisors
3. when the third molars erupt
4. after the age of 12 years

Dental Anatomy Answer: 2

Which of the following are the tissues immediately adjacent to the periodontal ligament?
1. Dentin and lamina dura
2. Cementum and alveolar bone
3. Gingiva and alveolar plate
4. Bundle bone and intermediate plexus

MDS PREP

The beginning of active eruption of a human tooth occurs

1. before the root has begun to develop

2. coincidental with the beginning of root formation

3. before the root has begun to develop

4. after one half of the root is formed

A mandibular primate space is usually found in the primary dentition between
1. first and second molars
2. central and lateral incisors
3. lateral incisor and canine
4. canine and first molar

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

The last permanent incisor to erupt are most likely the
1. mandibular centrals
2. maxilary laterals
3. maxillary third molars
4. maxillary centrals

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 offers the greatest degree of protection for lips, cheeks, and tongue?
1. Sensory function of the periodontal ligament
2. Adjacent contact of teeth
3. Horizontal overlap (overjet)
4. Deflecting function of ridges

The period of mixed dentition exist
1. before 6 years of age
2. before the eruption of the permanent incisors
3. when the third molars erupt
4. after the age of 12 years

Which of the following are the tissues immediately adjacent to the periodontal ligament?
1. Dentin and lamina dura
2. Cementum and alveolar bone
3. Gingiva and alveolar plate
4. Bundle bone and intermediate plexus

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MDS PREP

The beginning of active eruption of a human tooth occurs 1. before the root has begun to develop 2. coincidental with the beginning of root formation 3. before the root has begun to develop 4. after one half of the root is formed

A mandibular primate space is usually found in the primary dentition between 1. first and second molars 2. central and lateral incisors 3. lateral incisor and canine 4. canine and first molar

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

The last permanent incisor to erupt are most likely the 1. mandibular centrals 2. maxilary laterals 3. maxillary third molars 4. maxillary centrals

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 offers the greatest degree of protection for lips, cheeks, and tongue?1. Sensory function of the periodontal ligament 2. Adjacent contact of teeth 3. Horizontal overlap (overjet) 4. Deflecting function of ridges

The period of mixed dentition exist 1. before 6 years of age 2. before the eruption of the permanent incisors 3. when the third molars erupt 4. after the age of 12 years

Which of the following are the tissues immediately adjacent to the periodontal ligament?1. Dentin and lamina dura 2. Cementum and alveolar bone 3. Gingiva and alveolar plate 4. Bundle bone and intermediate plexus

Explore by subjects

The beginning of active eruption of a human tooth occurs

1. before the root has begun to develop

2. coincidental with the beginning of root formation

3. before the root has begun to develop

4. after one half of the root is formed

A mandibular primate space is usually found in the primary dentition between
1. first and second molars
2. central and lateral incisors
3. lateral incisor and canine
4. canine and first molar

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

The last permanent incisor to erupt are most likely the
1. mandibular centrals
2. maxilary laterals
3. maxillary third molars
4. maxillary centrals

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 offers the greatest degree of protection for lips, cheeks, and tongue?
1. Sensory function of the periodontal ligament
2. Adjacent contact of teeth
3. Horizontal overlap (overjet)
4. Deflecting function of ridges

The period of mixed dentition exist
1. before 6 years of age
2. before the eruption of the permanent incisors
3. when the third molars erupt
4. after the age of 12 years

Which of the following are the tissues immediately adjacent to the periodontal ligament?
1. Dentin and lamina dura
2. Cementum and alveolar bone
3. Gingiva and alveolar plate
4. Bundle bone and intermediate plexus