Head, Neck And Dental Anatomy 4e Marjorie Short De
Head, Neck and Dental Anatomy 4e Marjorie Short De
Exam (elaborations)
Head, Neck and Dental Anatomy 4th Edition By Marjorie Short Deborah Levin-Goldstein (Test Bank)
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Course
Head, Neck and Dental Anatomy 4e Marjorie Short De
Institution
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 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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