Head, Neck And Dental Anatomy 4e Marjorie Short De
Head, Neck and Dental Anatomy 4e Marjorie Short De
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Head, Neck and Dental Anatomy 4th Edition By Marjorie Short Deborah Levin-Goldstein (Test Bank)
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Head, Neck and Dental Anatomy 4e Marjorie Short De
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Head, Neck And Dental Anatomy 4e Marjorie Short De
Head, Neck and Dental Anatomy 4e Marjorie Short Deborah Levin-Goldstein (Test Bank)
Head, Neck and Dental Anatomy 4e Marjorie Short Deborah Levin-Goldstein (Test Bank)
Head, Neck and Dental Anatomy 4e Marjorie Short De
Head, Neck and Dental Anatomy 4e Marjorie Short De
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(Head, Neck and Dental Anatomy 4e Marjorie Short Deborah Levin-Goldstein)
(Test Bank all Chapters)
Chapter 1
TRUE/FALSE
1. Mixed dentition occurs between the ages of 5 and 12.
ANS: T
Having deciduous and permanent teeth in the mouth simultaneously is referred to as mixed
dentition and occurs between the ages of 5–12.
PTS: 1
2. Permanent molars are succedaneous teeth.
ANS: F
Permanent molars are not succedaneous teeth because they do not replace deciduous teeth.
PTS: 1
3. Posterior teeth are located in the front and include incisors and canines.
ANS: F
Posterior teeth are located in the back and include premolars and molars.
PTS: 1
4. The primary central incisor has an exfoliation date of 6–7 years old.
ANS: T
The permanent central incisor is the #2 tooth to erupt at about 7–8 years of age.
PTS: 1
5. Attrition is the term used when referring to the wearing of teeth causing a gradual decrease in tooth
height.
ANS: T
Continual use of teeth throughout life can cause a slight wearing of the biting/chewing surfaces.
PTS: 1
MULTIPLE CHOICE
1. The two dental arches formed by the jaw are:
a. primary and secondary
b. upper and lower
c. maxillary and mandibular
d. anterior and posterior
ANS: C
The maxillary is the upper arch while the mandibular is the lower arch.
, PTS: 1
2. The term for having different types of teeth is:
a. diphyodonts
b. polyphyodonts
c. heterodonts
d. mixed dentition
ANS: C
People are heterodonts because they have different types of teeth called incisors, canines,
premolars, and molars.
PTS: 1
3. The total number of permanent teeth is:
a. 20
b. 32
c. 36
d. 28
ANS: B
The permanent dentition has 32 teeth, 16 maxillary and 16 mandibular.
PTS: 1
4. The first set of teeth is called:
a. deciduous
b. baby teeth
c. polyphyodonts
d. succedaneous
ANS: A
The primary set of teeth is called the deciduous dentition, emerging in the mouth between ages 6-8
months.
PTS: 1
5. The four front teeth with sharp biting edges for cutting food are:
a. cuspids
b. molars
c. premolars
d. incisors
ANS: D
The four incisors are located in the front of the arch. The two in the middle of the arch are central
incisors; those on each side are lateral incisors.
PTS: 1
6. Wearing of tooth surfaces caused by continual biting or vigorous brushing is:
a. attrition
b. abrasion
c. erosion
d. mastication
, ANS: B
Abrasion of tooth surfaces can be caused by mechanical wear.
PTS: 1
7. The first permanent teeth to emerge in the mouth are:
a. canines
b. central incisors
c. first molars
d. first premolars
ANS: C
First molars erupt posterior to the deciduous second molar without replacing any deciduous teeth.
PTS: 1
8. The maxillary order number for a primary lateral incisor is:
a. 1
b. 2
c. 3
d. 4
ANS: B
The lateral incisors erupt between 9–12 months of age.
PTS: 1
9. The process where the gingival line recedes exposing more of the tooth is referred to as:
a. active eruption
b. attrition
c. passive eruption
d. succedaneous
ANS: C
Passive eruption occurs later in life as the "gums" or gingival line recedes.
PTS: 1
10. The #5 permanent tooth in the Mandibular eruption order is:
a. cuspid
b. second molar
c. lateral incisor
d. first premolar
ANS: D
First premolars erupt between 10–11 years of age.
PTS: 1
COMPLETION
1. The two dental arches make up one _____________ .
ANS:
, dentition
Dentition is a set of teeth for which each person will have two over a lifetime.
PTS: 1
2. __________________ is the term for having several sets of teeth over a lifetime.
ANS:
Polyphyodonts
Certain reptiles are considered to be polyphyodonts as they have more than just two sets of teeth.
PTS: 1
3. Each molar performs its individual function in the process of ________________.
ANS:
mastication
By working together the teeth prepare food for swallowing and digestion.
PTS: 1
4. Tooth identification is designated not only by its name and arch but also by the
_________________ in which it is located.
ANS:
quadrant
Each quadrant is specified according to the patient’s right or left side.
PTS: 1
5. The deciduous teeth eventually _______________ and are replaced by permanent teeth.
ANS:
exfoliate
Exfoliate or shed is the term used when a child's teeth fall out in preparation for the eruption of the
permanent teeth.
PTS: 1
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