Dental Anatomy: Quiz 1: Unit 1: Review Questions
The permanent maxillary left lateral incisor is correctly given universal:
#10
In a full complement of permanent teeth, the universal number for the tooth in the mandibular left quadrant which has only one contact area is:
#17
In a full complement of permanent teeth, the universal number for the tooth in the mandibular left quadrant which has only one contact area is:
#17
*The universal number for the deciduous mandibular right canine is
#18d
The universal number for the succedaneous tooth which replaces #11d is:
#20
The permanent mandibular right first premolar is given universal:
#28
The permanent mandibular right first premolar is given universal:
#28
During the mixed dentition period, the tooth which normally has a contact on its own mesial surface with the deciduous mandibular right second molar is:
#30
Of the following, the tooth which is succedaneous is: (1) # 15. (2) the deciduous maxillary first molar. (3) # 8. (4) the permanent mandibular first molar. (5) # 3.
#8
Of the following teeth, the one which is succedaneous is: (1) # 14. (2) # 8d. (3) # 5. (4) # 30. (5) # 2d.
(3) #5
*The crown surface of the anterior teeth which is most likely to be seen when a person smiles is the ________ surface.
Labial
On the anterior teeth, the crown surface which is normally toward the lips, is correctly named the:
Labial surface
*"Wisdom" teeth are also:
Third molars
On the anterior teeth, the crown surface which is normally toward the lips, is correctly named the:
labial surface
In the deciduous dentition, the last anterior tooth to erupt is normally the:
maxillary canine.
In the deciduous dentition, the tooth which normally erupts immediately prior to the mandibular canine is the:
maxillary first molar
In the deciduous dentition, the tooth which normally erupts immediately prior to the mandibular canine is the:
maxillary first molar
When looking directly into a patient's mouth from the front, the second tooth from the midline to the viewer's left, in the stationary jaw member, is the patient's:
maxillary right lateral incisor
*In the permanent dentition, the last premolar to erupt is normally the
maxillary second
*The proximal crown surfaces which share a contact area betwen tooth #8 and tooth #9 are the:
mesial surface of #8 and mesial surface of #9
*The correct and most appropriate name for the structure which divides the body into two 3D portions is the :
mid-sagittal plane
At age nine, the normal child is in the period of dentition known as:
mixed
*Permanent teeth which normally are NOT succedaneous are:
molars
On crowns of the posterior teeth, the grinding function of mastication is mainly carried on by the
occlusal surface
*The first succedaneous tooth to erupt is normally the:
permanent mandibular central incisor.
The label "mesiobucco-occlusal" is appropriate for a ______ angle of a (posterior/ anterior) tooth.
point angle of a posterior tooth
*The label "distolabioincisal" is appropriate for a __________ angel of a (posterior/ anterior) tooth:
point angle of an anterior tooth
The label "distolabioincisal" is appropriate for a _________ angle of a(n) (posterior/ anterior) tooth.
point angle of an anterior tooth
*In the mixed dentition period, the sixth tooth from the midline in each quadrant is normally the:
six year molar
The dentition period of man, in which the largest number of teeth are erupted (present) in the mouth at any one time, is:
the permanent dentition period
Pulp horns are anatomical extensions of:
the pulp chamber
The first posterior succedaneous tooth to erupt is normally the permanent:
1. mandibular first premolar
*The permanent mandibular second premolars are universal: 1. 20 and 29 2. 20 and 28 3. 19 and 28 4. 21 and 28 5. 21 and 29
1. 20 and 29
Of the following, the crown surfaces which is NOT found on a permanent mandibular incisor is the: 1. palatal surface 2. mesial surface 3. labial surface 4. distal surface 5. lingual surface
1. palatal surface
*Of the following dental structures, the one which is ALWAYS visible on a normal, erupted tooth is: 1. enamel 2. the CEJ 3. cementum 4. the DEJ 5. dentin
1. Enamel
*When compared to a quadrant of the permanent dentition, a quadrant of the deciduous dentition normally has: 1. Fewer premolars 2. Fewer incisors 3. Fewer anterior teeth 4. More molars 5. More anterior teeth
1. Fewer premolars
On the crowns of teeth, contact areas are located on: 1. Proximal surfaces 2. Palatal surfaces 3. Facial surfaces 4. Lingual surfaces 5. Buccal surfaces
1. Proximal surfaces
*In the dentition periods of man, normally: 1. The permanent dentition period occurs over the longest length of time 2. There are five distinct periods 3. Deciduous teeth are present during all periods 4. All the periods are equal in duration 5. Permanent teeth are present during all periods
1. The permanent dentition period occurs over the longest length of time
*Of the following structures, inclined planes are closely associated with: 1. cusp ridges 2. cingula 3. incisal ridges 4. contact areas 5. facial heights of contour
1. cusp ridges
*When compared to the permanent dentition, the deciduous dentition normally exhibits: (1) fewer molars. (2) fewer incisors. (3) fewer canines. (4) more incisors. (5) more total teeth.
1. fewer molars
*Of the following structures, all of which may be found on the crowns of teeth, the one which is a depression is: 1. fossa 2. tubercle 3. cingulum 4. cusp 5. ridge
1. fossa
Of the following crown surfaces, the one which could correctly be termed a palatal surface is the: 1. lingual surface of #15 2. facial surface of #2 3. lingual surface of #18 4. labial surface of #8 5. lingual surface of #26
1. lingual surface of #15
In a normal eruption pattern for the deciduous teeth, the: 1. mandibular central incisor erupts before the maxillary central incisor 2. maxillary canine erupts before the maxillary first molar 3. mandibular canine erupts before the mandibular first molar 4. Maxillary canine erupts before the mandibular canine 5. maxillary lateral incisor erupts before the mandibular central incisor
1. mandibular central incisor erupts before the maxillary central incisor
The following dental formula shows that the total number of posterior teeth in this dentition is: I 2/2: C1/1: P1/1: M2/2
12
The total number of teeth in the permanent dentition which normally possess a cingulum is:
12
From the following dental formula, it can be determined that the total number of teeth found in this animal's maxillary arch is: I 1/1: C1/1: P2/2: M 3/3
14
From the following dental formula, it can be determined that the total number of teeth found in this animal's maxillary arch is: I 1/1: C1/1: P 2/2: M 3/3
14
Of the following the posterior tooth is: 1. 8d 2. 18 3. 13d 4. 8 5. 18d
2. 18
An imaginary animal has a dentition which contains only eight molars per quadrant, and they are continually replaced throughout the life of the animal. Of the following, the pair of terms which correctly describes this animal is: (1) homodont and monophyodont. (2) homodont and polyphyodont. (3) heterodont and monophyodont. (4) heterodont and diphyodont. (5) heterodont and polyphyodont.
2. Homodont and polyphydont
The cervical line of a tooth: 1. is also called the dentino-enamel junction 2. always separates the anatomical crown and root 3. is found at a constantly changing level on the root 4. is found at a constantly changing level on the crown 5. always separates the clinical crown and root
2. always separates the anatomical crown and root
Of the following, the correct normal order of eruption for the maxillary arch of man's deciduous dentition is: 1. central, lateral, canine, first molar, second molar 2. central, lateral, first molar, canine, second molar 3. lateral, central, canine, first molar, second molar 4. lateral, central, first molar, canine, second molar 5. first molar, central, lateral, canine, second molar
2. central, lateral, first molar, canine, second mlar
*The label "mesio-occlusal" is appropriate for a: 1. line angle of an anterior tooth 2. line angle of a posterior tooth 3. point angle of a posterior tooth 4. point angle of an anterior tooth
2. line angle of a posterior tooth
The universal number for the succedaneous tooth which replaces tooth #11d is:
20
Of the following, the tooth which is succedaneous is: 1. #15 2. the deciduous maxillary first molar 3. #8 4. the permanent mandibular first molar 5. #3
3. #8
Of the following teeth, the one which is succedaneous is: 1. 14 2. 8d 3. 5 4. 30 5. 2d
3. 5
Of the following crown surfaces, the one which is normally found only on posterior teeth is the: 1. lingual 2. labial 3. buccal 4. distal 5. facial
3. Buccal
In the normal order of eruption for the permanent dentition, the: 1. Maxillary teeth precede the mandibular teeth 2. Lateral incisors precede central incisors 3. First molars precede first premolars 4. Second molars precede the second premolars 5. Canines precede the incisors
3. First molars precede the first premolars
*Of the following groups, the one in which all the teeth are succedaneous is: 1. Deciduous anteriors 2. Deciduous posteriors 3. Permanent anteriors 4. Permanent posteriors 5. None of the above
3. Permanent Anteriors
In the permanent dentition, the second tooth from the midline in each quadrant normally exhibits: 1. a mesial contact area, but no distal contact area 2. a function in mastication which is mainly tearing and holding 3. a deciduous predecessor 4. an occlusal surface 5. only one cusp
3. a deciduous predecessor
A tooth in the mouth has considerable recession of the gingiva toward the apex. Of the following structures, those which would normally be visible in this situation include the: (1) anatomical crown only. (2) cervical line and clinical root only. (3) cervical line and anatomical crown only. (4) clinical root and anatomical crown only. (5) cervical line, clinical root, and anatomical crown.
3. cervical line and anatomical crown only
Oblique ridges are dental structures which are normally found on the: (1) crowns of deciduous molars only. (2) occlusal surfaces of permanent mandibular molars. (3) crowns of maxillary molars only. (4) proximal surfaces of all permanent posterior teeth. (5) crowns of both maxillary premolars and molars.
3. crowns of maxillary molars only
Tooth #13d is found in the: (1) deciduous dentition and the maxillary right quadrant. (2) permanent dentition and the maxillary left quadrant. (3) deciduous dentition and the mandibular left quadrant. (4) permanent dentition and the mandibular right quadrant. (5) deciduous dentition and the maxillary left quadrant
3. deciduous dentition and the mandibular left quadrant.
In the normal order of eruption for the permanent dentition, the: (1) maxillary teeth precede the mandibular teeth. (2) lateral incisors precede the central incisors. (3) first molars precede the first premolars. (4) second molars precede the second premolars. (5) canines precede the incisors.
3. first molars precede the first premolars
One normal location of fossae is on the: (1) lingual crown surface of the posterior teeth. (2) buccal crown surface of the posterior teeth. (3) lingual crown surface of the anterior teeth. (4) labial crown surface of the anterior teeth. (5) mesial crown surface of the anterior teeth.
3. lingual crown surface of the anterior teeth
*The human mixed dentition period normally ends: 1. at about age six 2. with the eruption of the permanent mandibular first molar 3. with the exfoliation of the last deciduous tooth 4. with the eruption of the deciduous mandibular second molar 5. with the exfoliation of the deciduous mandibular central incisor
3. with the exfoliation of the last deciduous tooth
In the FDI numbering system, the permanent mandibular left first premolar is correctly identified by the number:
34
In the FDI numbering system, the permanent mandibular left first premolar is correctly identified by the number:
34
The following dental formula shows that the total number of premolars found in the dentition of this animal is: I: 6/6: P 1/1: M3/3
4
The following dental formula shows that the total number of premolars found in the dentition of this animal is: I 6/6: P 1/1: M3/3
4
The number of posterior teeth which are normally found in one arch of the deciduous dentition is:
4
The total number of point angles which are present on the crown of a permanent incisor is:
4
When compared to a quadrant of the permanent dentition, a quadrant of the deciduous dentition normally has: 1. The same number of premolars 2. Fewer anterior teeth 3. The same number of molars 4. Fewer posterior teeth 5. More anterior teeth
4. Fewer posterior teeth
*In the normal order of eruption for the deciduous mandibular teeth, the: 1. Lateral incisor erupts before the central incisor 2. Canine erupts before the lateral incisor 3. Second molar erupts before the first molar 4. First molar erupts before the canine 5. First molar erupts before the central incisor
4. First molar erupts before the canine
When compared to a quadrant of the permanent dentition, a quadrant of the deciduous dentition normally has: (1) the same number of premolars. (2) less anterior teeth. (3) the same number of molars. (4) less posterior teeth. (5) more anterior teeth.
4. Less posterior teeth
Of the following surfaces, those which are normally found on both anterior and posterior maxillary teeth include: (1) mesial surfaces. (2) palatal surfaces. (3) facial surfaces. (4) all of the above surfaces. (5) none of the above surfaces.
4. all of the above surfaces.
Deciduous teeth are normally present in: (1) the primary dentition period only. (2) the mixed dentition period only. (3) the permanent dentition period only. (4) both the primary and mixed dentition periods. (5) the primary, mixed, and permanent dentition periods.
4. both the primary and mixed dentition periods.
When compared to a quadrant of the permanent dentition, a quadrant of the deciduous dentition normally has: 1. the same number of premolars 2. fewer anterior teeth 3. the same number of molars 4. fewer posterior teeth 5. more anterior teeth
4. fewer posterior teeth
In the normal order of eruption for the deciduous mandibular teeth, the: 1. lateral incisor erupts before the central incisor 2. canine erupts before the lateral incisor 3. second molar erupts before the first molar 4. first molar erupts before the canine 5. first molar erupts before the central incisor
4. first molar erupts before the canine
*In each quadrant of the permanent dentition, the fourth tooth from the midline normally: 1. Has a masticatory function which is similar to that of the second tooth from the midline 2. exhibits a cingulum 3. is a first molar 4. is a succedaneous tooth 5. is a second premolar
4. is a succedaneous tooth
In each quadrant of the permanent dentition, the fourth tooth from the midline normally: (1) has a masticatory function which is similar to that of the second tooth from the midline. (2) exhibits a cingulum. (3) is a first molar. (4) is a succedaneous tooth. (5) is a second premolar.
4. is a succedaneous tooth
In the deciduous dentition, the last tooth to erupt normally: (1) is the maxillary canine. (2) is a succedaneous tooth. (3) is erupted shortly after birth. (4) is the maxillary second molar. (5) follows in sequence the first permanent tooth to erupt.
4. is the maxillary second molar
The term "homodont" refers to an animal with: (1) one dentition. (2) two dentitions. (3) more than two dentitions. (4) only one tooth type per dentition. (5) more than one tooth type per dentition.
4. only one tooth type per dentition
From the following dental formula, it can be determined that this animal has: I 2/2: C1/1: M 4/4 (1) six teeth per quadrant. (2) 32 total teeth. (3) a total of four premolars. (4) the same number of incisors as is found in man's deciduous dentition. (5) 12 teeth in the maxillary arch.
4. the same number of incisors as is found in man's deciduous dentition
Of the following choices, a mamelon is most likely to be found on: (1) tooth # 25 in a 53 year old patient. (2) tooth # 8 in the cingulum area. (3) tooth # 29 in a 32 year old patient. (4) tooth # 10 in a 9 year old patient. (5) tooth # 18 on a proximal surface.
4. tooth #10 in a 9 year old patient
*In one quadrant of man's permanent dentition, the total number of succedaneous teeth is normally:
5
In one quadrant of man's permanent dentition, the total number of succedaneous teeth is normally:
5
Of the following, the anterior tooth is: 1. 21 2. 9d 3. 4 4. 12d 5. 6
5. 6
The total number of canines in the primary dentition is the same as the total number of: 1. Permanent molars in a quadrant 2. Deciduous premolars in an arch 3. Deciduous anterior teeth in a quadrant 4. Incisors in the permanent dentition 5. Deciduous molars in an arch
5. Deciduous molars in an arch
*Of the following structures, the one which is NOT a normal finding on permanent posterior teeth is: 1. Marginal ridge 2. Transverse ridge 3. Cusp 4. Inclined plane 5. Tubercle
5. Tubercle
*The total number of premolars in one arch of the permanent dentition is normally the same as the total number of: (1) deciduous premolars in one arch. (2) permanent molars in one quadrant. (3) molars in the deciduous dentition. (4) permanent anterior teeth in one quadrant. (5) canines in the deciduous dentition.
5. canines in the deciduous dentition
The total number of canines in the primary dentition is the same as the total number of: (1) permanent molars in a quadrant. (2) deciduous premolars in an arch. (3) deciduous anterior teeth in a quadrant. (4) incisors in the permanent dentition. (5) deciduous molars in an arch.
5. deciduous molars in an arch
*The total number of incisors which are normally found in the maxillary arch of the deciduous dentition is: 1. six 2. less than the number of permanent incisors normally present in the same arch 3. more than the number of deciduous incisors normally present in the mandibular arch 4. eight 5. four
5. four
In each quadrant of the deciduous dentition, the fifth tooth from the midline normally: 1. is a succedaneous tooth 2. is a second premolar 3. has the same name as the sixth tooth from the midline in the permanent dentition 4. is an anterior tooth 5. has the same name as the seventh tooth from the midline in the permanent dentition
5. has the same name as the seventh tooth from the midline in the permanent dentition
In each quadrant of the deciduous dentition, the fifth tooth from the midline normally: (1) is a succedaneous tooth. (2) is a second premolar. (3) has the same name as the sixth tooth from the midline in the permanent dentition. (4) is an anterior tooth. (5) has the same name as the seventh tooth from the midline in the permanent dentition.
5. has the same name as the seventh tooth from the midline in the permanent dentition.
*In each quadrant of the deciduous dentition, the fourth tooth from the midline normally: 1. is a succedaneous tooth 2. is a lateral incisor 3. functions in mastication by tearing and holding 4. is a second molar 5. is a posterior tooth
5. is a posterior tooth
In each quadrant of the deciduous dentition, the fourth tooth from the midline normally: (1) is a succedaneous tooth. (2) is a lateral incisor. (3) functions in mastication by tearing and holding. (4) is a second molar. (5) is a posterior tooth.
5. is a posterior tooth.
*In each quadrant of the permanent dentition, the third tooth from the midline normally: 1. is a premolar 2. is a primary toth 3. has a masticatory function of grinding 4. has a masticatory function of biting and incising 5. is a succedaneous tooth
5. is a succedaneous tooth
In each quadrant of the permanent dentition, the third tooth from the midline normally: (1) is a premolar. (2) is a primary tooth. (3) has a masticatory function of grinding. (4) has a masticatory function of biting and incising. (5) is a succedaneous tooth.
5. is a succedaneous tooth
In each quadrant of the permanent dentition, the third tooth from the midline normally: 1. is a premolar 2. is a primary tooth 3. has a masticatory function of grinding 4. has a masticatory function of biting and incising 5. is a succedaneous tooth
5. is a succedaneous tooth
In each quadrant of the permanent dentition, the third tooth from the midline normally: (1) is a premolar. (2) is a primary tooth. (3) has a masticatory function of grinding. (4) has a masticatory function of biting and incising. (5) is a succedaneous tooth.
5. is a succedaneous tooth.
When present on the crowns of teeth, a cingulum is found: (1) in the depth of a depression. (2) on the buccal surface of molars. (3) between two cusp ridges. (4) on the same surface as transverse ridges are located. (5) on the lingual surface of incisors and canines.
5. on the lingual surface of incisors and canines
The human permanent dentition period normally begins: (1) at about age 15. (2) with the eruption of the permanent mandibular third molars. (3) at about age six. (4) with the eruption of the permanent mandibular first molars. (5) with the exfoliation of the deciduous maxillary second molars.
5. with the exfoliation of the deciduous maxillary second molars.
In the FDI numbering system, the deciduous maxillary right canine is identified by the number:
53
*The number of anterior teeth which are normally found in one arch of the deciduous dentition is:
6
*The number of molars which are normally found in one arch of the permanent dentition is:
6
The number of molars which are normally found in one arch of the permanent dentition is:
6
The number of molars which are normally found in one arch of the permanent dentition is:
6
*In a permanent dentition, the total number of posterior teeth which are normally succedaneous is
8
*The number of posterior teeth which are normally found in the entire deciduous dentition is
8
*The total number of premolars which are normally present in the permanent dentition is:
8
The following dental formula shows that the total number of anterior teeth in this dentition is: I 1/1: C: 1/1: P2/2: M4/4
8
The following dental formula shows that the total number of anterior teeth in this dentition is: I 1/1: C 1/1: P 2/2: M 4/4
8
The following dental formula shows that the total number of anterior teeth in this dentition is: I 1/1: C1/1: P 2/2: M4/4
8
The number of incisors which are normally present in the entire permanent dentition is:
8
The number of molars which are normally found in the entire deciduous dentition is:
8
The number of molars which are normally found in the entire deciduous dentition is:
8
The total number of line angles which are present on the crown of a permanent molar is:
8
The total number of premolars which are normally present in the permanent dentition is:
8
*From the following dental formula, it can be determined that the total number of teeth found in one quadrant of this animal's dentition is: I 2/2: C 1/1: P 2/2: M 4/4
9
From the following dental formula, it can be determined that the total number of teeth found in one quadrant of this animal's dentition is: I 2/2: C1/1: P2/2: M4/4
9
*On the crown of a tooth, a small depression which is often the point of union of two or more developmental grooves, describes:
A pit
The "twelve year" molar is also:
A second molar
In each quadrant of the permanent dentition, the sixth tooth from the midline is also known as:
A six-year molar
The cusp ridge which extends from the cusp tip of a posterior tooth toward the central portion of the occlusal surface is also:
A triangular ridge
Which ridges may be found on the occlusal surface of permanent maxillary molars?
All of the ridges: transverse, marginal, triangular, and oblique
That portion of the crown of a posterior tooth which is directly between two cusp ridges is correctly termed:
An inclined plane
The portion of a normal tooth which is ALWAYS entirely covered by enamel is the:
Anatomical crown
The horizontal third of a tooth root which includes the root tip is known as the:
Apical third
An alternative name for premolar is
Bicuspid
An alternative name for premolar is:
Bicuspid
The crown surface on tooth #18 which lies against the cheek is the _____ surface.
Buccal
Which surfaces is normally found only on posterior teeth?
Buccal
*On a posterior tooth viewed from the mesial aspect, the three thirds of the crown's mesial surface, when it is divided by vertical lines, are correctly named:
Buccal, middle, and lingual
*The thirds of the mesial surface are correctly named:
Buccal, middle, and lingual thirds
The dental tissue known as the periodontal ligament is normally the attachment between:
Cementum and bone
*The anatomical root of the tooth is normally composed of:
Cementum and dentin
The anatomical root of the tooth is normally composed of:
Cementum and dentin
The correct normal order of eruption for the maxillary arch of man's deciduous dentition is:
Central, lateral, first molar, canine, second molar
*A tooth in the mouth has considerable recession of the gingiva toward the apex. Which structures would normally be visible in this situation?
Cervical line and anatomical crown only
On the buccal surface of the crown of tooth #19, the horizontal third closes to the roots is the:
Cervical third
On the buccal surface of the crown of tooth #19, the horizontal third closest to the roots is the:
Cervical third
The horizontal third of a tooth root which is in closest proximity to the crown is correctly termed the:
Cervical third
*Of the following dental structures, those which are found ONLY on the crowns of anterior teeth are: 1. transverse ridges 2. marginal ridges 3. cingula 4. cusps 5. inclined planes
Cingula
*That portion of an erupted tooth, which is ALWAYS entirely visible in the mouth, is the:
Clinical crown
Tooth #13d is found in the ________ dentition and the ____________ ___________ quadrant.
Deciduous dentition and the mandibular left quadrant.
*A method of classifying the various teeth in a dentition as to type, and number (amount) of each type, is the:
Dental formula
The dental tissue which composes the majority of the total structure of a normal tooth is the:
Dentin
*An animal with a total of two dentitions can be described as:
Diphyodont
If it is known that a certain animal has only one mixed dentition period during its life, this is enough information to classify that animal as:
Diphyodont
The anatomical crown of a tooth is normally composed of:
Enamel and dentin
Place the following terms in their correct order of occurrence for any deciduous tooth: Eruption, exfoliation, resorption
Eruption, resorption, exfoliation
Which dental structures are normally found on the lingual crown surfaces of anterior teeth?
Fossae, marginal ridges, cingula
If an imaginary animal has only one dentition during its lifetime, and it is composed of incisors, canines, and molars, it would be classified as:
Heterodont and monophyodont
The shark has several different types of teeth, as well as many sets of teeth. What kinds of dentition does a shark have? (Homo/ heterodont) and (____phyodont)
Heterodont and polyphyodont
*An imaginary animal has a dentition which contains only eight molars per quadrant, and they are continually replaced throughout the life of the animal. Of the following, the pair of terms which correctly describes this animal is:
Homodont and polyphyodont
If an imaginary animal has only incisor type teeth in its dentition, and they are continually being replaced throughout its life, this animal can be correctly classified as:
Homodont and polyphyodont
When present, mamelons are exhibited by certain permanent teeth in the horizontal third of the crown known as the
Incisal third
The label "distolabial" is appropriate for a ______ angle of a(n) (anterior/ posterior) tooth
Line/ anterior
*The crown surface of anterior teeth which is toward the tongue is termed the:
Lingual surface
*Occasionally an infant is born with a deciduous tooth erupted. This tooth is most likely to be a deciduous:
Mandibular central incisor
*The first deciduous tooth to erupt is normally the:
Mandibular central incisor
In the permanent dentition, the initial premolar to erupt is normally the:
Mandibular first
In the permanent dentition, the initial premolar to erupt is normally the:
Mandibular first
*In the deciduous dentition, the tooth which normally erupts immediately after the maxillary lateral incisor is the deciduous:
Mandibular first molar
*The first permanent tooth to erupt is normally the:
Mandibular first molar
*The first posterior succedaneous tooth to erupt is normally the permanent:
Mandibular first premolar
The first posterior succedaneous tooth to erupt is normally the permanent:
Mandibular first premolar
A permanent tooth which is located in the movable jaw member, and whose chief function in mastication is grinding, is a:
Mandibular molar
*When viewing a patient's mouth from the front, the teeth which are to the viewer's left in the movable jaw member are located in the ________ quadrant.
Mandibular right quadrant
*Of the following ridges, those which are found on every tooth in the mouth are:
Marginal ridges
There term for the process of biting or chewing food is:
Mastication
*The crown surfaces of teeth which can be correctly called palatal include the lingual surfaces of:
Maxillary anterior and posterior teeth only
*The last permanent anterior tooth to erupt is normally the:
Maxillary canine
The permanent maxillary central incisors share a proximal contact area with each other on their _______ surfaces.
Mesial
On tooth #9, the crown surface which is toward the vertical midline, is the:
Mesial surface
At age nine, the normal child is in the period of dentition known as
Mixed
Permanent teeth which normally are NOT succedaneous are:
Molars
The crown surface of posterior teeth which corresponds to the incisal edge of anterior teeth is the:
Occlusal
*On the crowns of posterior teeth, the function of mastication is mainly carried on by the:
Occlusal surface
*Mamelons are normally found:
On the incisal ridge of anterior teeth
*When present on the crowns of teeth, a cingulum is found:
On the lingual surface of incisors and canines
*The dental formula does not directly describe the total number of teeth in a particular dentition, since only the figures are presented for:
One side (right or left) of the mouth
Of the following groups, the one in which ALL the teeth are succedaneous is: 1. Deciduous anteriors 2. Deciduous posteriors 3. Permanent anteriors 4. Permanent posteriors 5. None of the above
Permanent anteriors
The primary dentition period of man normally ends with the eruption of the :
Permanent first molars
*On the crown of a tooth, the specific anatomical location where developmental grooves normally cross each other, unite, or terminate is known as a:
Pit
At age four, the normal child is in the dentition period known as:
Primary
On the crowns of teeth, contact areas are located on:
Proximal surfaces
*On the crowns of teeth, transverse ridges are:
The combination of two triangular ridges
The dentition period of man, in which the largest number of teeth are erupted (present) in the mouth at any one time, is:
The permanent dentition period
The cusp ridge which extends from the cusp tip of a posterior tooth toward the central portion of the occlusal surface is also:
a triangular ridge
The mixed dentition period of man normally exhibits:
both permanent and deciduous teeth
The crown surface on tooth #18 which lies against the cheek is the
buccal surface
In a diagram of the molar crown, the thirds of the mesial surface are correctly named:
buccal, middle, and lingual thirds
*Facial surfaces of teeth include _________ surfaces.
labial and buccal surfaces
The dental tissue known as the periodontal ligament is normally the attachment between:
cementum and bone
the dental tissue known as the periodontal ligament is normally the attachment between:
cementum and bone
The cervical line of a tooth is also the junction of the:
cementum and enamel
The horizontal thirds of a tooth root, starting at the CEJ and ending at the tip of the root, are correctly named:
cervial, middle, and apical thirds
Oblique ridges are dental structures which are normally found on the :
crowns of maxillary molars only
Of the following surfaces, those which are normally found on both anterior and posterior maxillary teeth include: a. Mesial b. Palatal c. Facial d. All of the above e. None of the above
d. All of the above
*The dental tissue which composes the majority of the total structure of a normal tooth is the:
dentin
An animal with a total of two dentitions can be described for certain as:
diphydodont
*In each quadrant of the deciduous dentition, the fourth tooth from the midline is the:
first molar
*In the normal order of eruption for the permanent mandibular teeth, the:
first premolar erupts after the canine.
The dentitions of man can be correctly classified as
heterodont
The dentitions of man can be correctly classified as:
heterodont
*In a complete dental formula such as the following, the animal could be classified for sure as (what type of dentition?): M 8/8
homodont
In each quadrant of the permanent dentition, the seventh tooth from the midline normally functions:
in mastication by grinding
The portion of the pulp cavity which is located in the anatomical root of an anterior tooth is:
known as the pulp canal
The portion of the pulp cavity which is located in the anatomical root of an anterior tooth is:
known as the pulp canal