llustrated Dental Embryology Histology and Anatomy 4th 5th
Edition Fehrenbach Test Bank.
Dentition - ANSWER: is used to describe the natural teeth in the jaws
How many primary dentition does a person have in a lifetime? - ANSWER: 20
How many permanent dentition does a person have in a lifetime? - ANSWER: 32
Primary dentition occurs between the ages of? - ANSWER: 6 months and 6 years
In deciduous teeth the maxillary arch has - ANSWER: 4 molars
4 incisors
2 canines
In deciduous teeth the mandibular arch has - ANSWER: 4 molars
4 incisors
2 canines
Primary/deciduous teeth have 20 teeth and are labeled A-T using the - ANSWER: universal
identification system
Eruption of primary teeth begins around month - ANSWER: 6
Mixed dentition approximate time span is - ANSWER: 6-12 years
Permanent dentition approximate time span is - ANSWER: after 12 years
Importance of primary teeth - ANSWER: space holders for permanent teeth
How much bigger are secondary teeth than primary teeth? - ANSWER: about 1.5x's bigger
The permanent dentition period begins with the shedding of the last primary tooth around age -
ANSWER: 12
Succedaneous teeth include - ANSWER: anterior teeth and premolars.
All but the permanent molars are - ANSWER: succedaneous.
Succedaneous teeth (permanent) teeth replace - ANSWER: deciduous teeth
The anterior teeth include - ANSWER: 8 incisors
4 canines
Posterior teeth include - ANSWER: premolars
12 molars (3 in each quadrant)
Anatomic root is covered by - ANSWER: cementum
Clinical root is the part of the tooth that is - ANSWER: visible
Anatomic crown is that portion of a tooth that is covered by - ANSWER: enamel
, Clinical crown - ANSWER: part of the anatomic crown that is visible and not covered by the gingiva.
Height of contour or crest of curvature - ANSWER: the greatest elevation of the tooth
Masticatory surface - ANSWER: the chewing surface on the most superior surface of the crown
Occlusal surface - ANSWER: Chewing surface of posterior teeth
Incisal surface - ANSWER: Chewing surface of anterior teeth
Line angle - ANSWER: line formed by junction of two crown surfaces
Point angle - ANSWER: Describes the junction of three surfaces of the crown
Posterior teeth have how many line angles per tooth? - ANSWER: 8
- mesiobuccal
- disto-buccal
- mesiolingual
- distolingual
- mesio-occlusal
- disto-occlusal
- bucco-occlusal
- linguo-occlusal
Anterior teeth have how many line angles per tooth? - ANSWER: 6
- mesiolabial
- distolabial
- mesiolingual
- distolingual
- labioncisal
- linguoincisal
Point angle has how many surfaces? - ANSWER: 3
Line angle has how many surfaces? - ANSWER: 2
Embrasures - ANSWER: Spaces formed from curvatures where two teeth in same arch contact
Incisors proximal surfaces are - ANSWER: triangular and facially trapezoid
Canine proximal surfaces are - ANSWER: triangular and facially pentagon
Premolars buccal surfaces are - ANSWER: pentagon
Maxillary mesial shape are - ANSWER: trapezoid
Mandibular mesial shape are - ANSWER: rhomboid
Maxillary buccal & mesial first molar shapes are - ANSWER: trapezoid
Mandibular buccal first molar shapes are - ANSWER: trapezoid and mesial rhomboid
Apical (anterior) - ANSWER: 1
Edition Fehrenbach Test Bank.
Dentition - ANSWER: is used to describe the natural teeth in the jaws
How many primary dentition does a person have in a lifetime? - ANSWER: 20
How many permanent dentition does a person have in a lifetime? - ANSWER: 32
Primary dentition occurs between the ages of? - ANSWER: 6 months and 6 years
In deciduous teeth the maxillary arch has - ANSWER: 4 molars
4 incisors
2 canines
In deciduous teeth the mandibular arch has - ANSWER: 4 molars
4 incisors
2 canines
Primary/deciduous teeth have 20 teeth and are labeled A-T using the - ANSWER: universal
identification system
Eruption of primary teeth begins around month - ANSWER: 6
Mixed dentition approximate time span is - ANSWER: 6-12 years
Permanent dentition approximate time span is - ANSWER: after 12 years
Importance of primary teeth - ANSWER: space holders for permanent teeth
How much bigger are secondary teeth than primary teeth? - ANSWER: about 1.5x's bigger
The permanent dentition period begins with the shedding of the last primary tooth around age -
ANSWER: 12
Succedaneous teeth include - ANSWER: anterior teeth and premolars.
All but the permanent molars are - ANSWER: succedaneous.
Succedaneous teeth (permanent) teeth replace - ANSWER: deciduous teeth
The anterior teeth include - ANSWER: 8 incisors
4 canines
Posterior teeth include - ANSWER: premolars
12 molars (3 in each quadrant)
Anatomic root is covered by - ANSWER: cementum
Clinical root is the part of the tooth that is - ANSWER: visible
Anatomic crown is that portion of a tooth that is covered by - ANSWER: enamel
, Clinical crown - ANSWER: part of the anatomic crown that is visible and not covered by the gingiva.
Height of contour or crest of curvature - ANSWER: the greatest elevation of the tooth
Masticatory surface - ANSWER: the chewing surface on the most superior surface of the crown
Occlusal surface - ANSWER: Chewing surface of posterior teeth
Incisal surface - ANSWER: Chewing surface of anterior teeth
Line angle - ANSWER: line formed by junction of two crown surfaces
Point angle - ANSWER: Describes the junction of three surfaces of the crown
Posterior teeth have how many line angles per tooth? - ANSWER: 8
- mesiobuccal
- disto-buccal
- mesiolingual
- distolingual
- mesio-occlusal
- disto-occlusal
- bucco-occlusal
- linguo-occlusal
Anterior teeth have how many line angles per tooth? - ANSWER: 6
- mesiolabial
- distolabial
- mesiolingual
- distolingual
- labioncisal
- linguoincisal
Point angle has how many surfaces? - ANSWER: 3
Line angle has how many surfaces? - ANSWER: 2
Embrasures - ANSWER: Spaces formed from curvatures where two teeth in same arch contact
Incisors proximal surfaces are - ANSWER: triangular and facially trapezoid
Canine proximal surfaces are - ANSWER: triangular and facially pentagon
Premolars buccal surfaces are - ANSWER: pentagon
Maxillary mesial shape are - ANSWER: trapezoid
Mandibular mesial shape are - ANSWER: rhomboid
Maxillary buccal & mesial first molar shapes are - ANSWER: trapezoid
Mandibular buccal first molar shapes are - ANSWER: trapezoid and mesial rhomboid
Apical (anterior) - ANSWER: 1
