Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Dental Anatomy/Occlusion Lab > Dental Occlusal Lab Midterm > Flashcards

Dental Occlusal Lab Midterm Flashcards

1
Q

When does the maxillary canine erupt? (in relation to lateral incisor and first premolar)

A

After lateral incisor and first premolar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The lingual cusp of the maxillary first premolar is inclined (which direction)?

A

Mesially

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

From the occlusal aspect, the maxillary first premolar resembles which of the following shapes?

A

Hexagon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Assuming a normal eruption sequence, which of the following teeth would be last to erupt?

A

Maxillary permanent canines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A transverse ridge is formed by the junction of:

A

two triangular ridges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The first posterior succadaneous tooth to erupt is normally the _____

A

Mandibular first premolar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The greatest contours of the gingival attachments occur on which of the following? (Mesial or Distal surface of Anterior or Posterior teeth )

A

Mesial surface of anterior teeth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which of the following is NOT a characteristic of the maxillary first premolar?

A

The occlusal surface does not have a wrinkled appearance because of accessory grooves arising from the central groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The mesial marginal ridge of most posterior teeth is located more occlusally than in the distal marginal ridge. Which tooth is most likely to be the exception?

A

Mandibular first premolar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A partial absence of bone in the form of a cleft, over the root of a tooth is called:

A

a dehiscence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which of the premolars is usually the smallest?

A

Mandibular first premolar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

When viewed from the facial aspect, an identifying characteristic of maxillary first premolars is which of the following?

A

The mesial cusp slope is longer than the distal cusp slope?

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

When viewed from the mesial, an identifying characteristic of maxillary first premolar crowns is which of the following?

A

The presence of a mesial developmental depression

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The maxillary second premolar differs from the maxillary first premolar in which of the following characteristics?

A

a,b, and c a (A shorter mesial buccal cusp slope compared to the distal cusp slope) b (The absence of a mesial marginal ridge) c (Buccal and lingual cusp lengths of almost equal length)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The maxillary first premolar will typically demonstrate which of the following pulpal configuration(s)?

A

Double root with two pulp canals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The occlusal form of the mandibular second premolar is highly variable. Which of the following are the most common forms of this tooth?

A

a and b only a (Two cusps- buccal and lingual) b (Three cusps- buccal, mesiolingual, and distolingual)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The developmental grooves form a “Y” pattern in which of the following premolars?

A

Mandibular second with three cusps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

With anterior teeth, what term is specific to canines?

A

Labial ridge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Which of the following is formed by the junction of two surfaces and derives its name from the combination of the two surfaces that join?

A

Line angle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

True or False: The form of teeth has little to do with their individual function.

A

FALSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

True or False: Anterior teeth have six point angles and posterior teeth have eight point angles.

A

FALSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

True or false: All teeth have four line angles.

A

FALSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

True or False: Unlike the maxillary first premolar, the pattern of grooves on the occlusal surface of the maxillary second premolar is more irregular and gives the tooth a “wrinkled” appearance.

A

TRUE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

True or False: The follicles of the developing incisors and canines are in a position lingual to the deciduous roots.

A

TRUE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

True or False: The measurement from the tip of the buccal cusp to the tip of the lingual cusp is less than the buccolingual measurement of the root of a maxillary first premolar at its cervical portion.

A

TRUE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

The determination of chronological age is possible for persons under what age when the dental maturity, tooth development, and osseous tissue development is considered?

A

20 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Which of the following is true regarding the pulp cavities of maxillary first premolar?

A

all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

True or False: The form of the teeth and their arrangment are related to incising or crushing food without causing damage to supporting structures.

A

True as written

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

True or False: Some of the form (of teeth) must also relate to that of the jaws and face and to occlusal forces that dictate various angles and positions within the arches.

A

True as written

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

A hockey player comes into your office with his upper anterior teeth in his hand. How can you distinguish the right canine from the left?

A

The distal cusp ridge is longer than the medial cusp ridge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

The incisal edge takes an oblique course appearing as if twisted around the long axis of the root. This describes most succinctly the _______ (tooth and view)?

A

mandibular lateral incisor-incisal view

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Which of the following animal groups has a dentition most similar to humans?

A

Anthropoid apes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

True or False: DNA may be used in the identification of a deceased person.

A

TRUE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

True or False: However, teeth provide little to no source of DNA that may be used for identification purposes.

A

FALSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

A hockey player comes into your office holding his friend’s right canines (maxillary and mandibular) in his hand. His friend, a lacrosse player, got hit by a ball flying under his mask. Which of the following would you look for in the maxillary canine as compared to the mandibular canine? The maxillary canine ____

A

b and c only b (has a more pronounced cingulum) c (is wider mesiodistally)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

In the bite mark made by the human dentition, which of the following teeth makes a large rectangular mark?

A

Maxillary central incisor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Which of the following represents the order of emergence od permanent reeth from earliest to latest eruption (Universal system of numbering)?

A

19, 8, 5, 11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

True or False: Groups of teeth develop at specific rates so that the sequence of eruption and emergence of the primary teeth is well defined with few deviations.

A

True as written

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

True or False: For the individual child, considerable variation in the times of emergence of the primary dentition may occur.

A

True as written

40
Q

True or False: Continued formation of the tooth root is considered to be an active factor in moving the crown toward its final position in the mouth during eruption.

A

TRUE

41
Q

True or False: Root formation is completed once the tooth emerges and is in functional use.

A

False as written

42
Q

A deep developmental depression exists on which of the following surfaces of the maxillary first premolar?

A

Mesial

43
Q

A 6 year old boy is in a scuffle and a blow to the mouth yields a front tooth. Amidst the blood and mucous lies his front tooth in his hand with the root gone. It is likely:

A

to have had the root resorbed by the succadaneous tooth

44
Q

Which of the following age ranges best represents the mixed dentition period?

A

6-12 years

45
Q

True or False: From the mesial view, all mandibular posterior teeth resemble a rhombus.

A

True as written

46
Q

True or False: In relation to the root axis, the crown of all mandibular posterior teeth is tilted toward the lingual.

A

True as written

47
Q

The cementoenamel junction (CEJ) has all but which of the following as potential junctional schemes?

A

Dentin overlapping enamel and cementum (this does not occur)

48
Q

Which of the following statements is applicable to both the maxillary first premolar and the mandibular second premolar?

A

The lingual cusp is lower in height than the facial cusp

49
Q

True or False: Because of attrition that occurs with age, estimation of chronological age is more precisine in children as compared to adults.

A

TRUE

50
Q

Which of the following terms refers to opposing jaws of unequal size?

A

Anisognathous

51
Q

Im the majority of cases, the maxillary first premolar differs from the maxillary second premolar in that the first premolar has _____

A

two roots, one facial and one lingual

52
Q

The maxillary first premolar generally has (how many) pulp horns?

A

Two

53
Q

Which correctly describes the haplodont dentition?

A

Single cone teeth

54
Q

Which of the following teeth has a variant in form known as being “peg-shaped”?

A

Maxillary lateral incisor

55
Q

Which tooth has an almost continous crown-root outline on the mesial surface?

A

Mandibular canine

56
Q

How soon after eruption of a permanent tooth is the apex usually fully developed?

A

2-3 years

57
Q

Which are characteristics of the maxillary first premolar as compared to anterior teeth:

A

a and b only a (Wider facio-lingually than mesio-distally) b (Broader contact areas)

58
Q

Which is not true of a mandibular second premolar?

A

Buccal cusp is not larger than the first premolar

59
Q

The anatomic crown is shorter than the clinical crown of a tooth in which of the following instances?

A

Gingival recession

60
Q

From the mesial and distal aspect, all mandibular posterior teeth have a (______ outline)

A

Rhomboidal outline

61
Q

“Shovel-shaped” is a term that can be used to describe which of the following teeth?

A

Maxillary central incisors

62
Q

Which of the following is formed by the junction of two surfaces and derives its name from the combination of the two surfaces that join?

A

Line angle

63
Q

A ____ is a pinpoint depression located at the junctino of developmental grooves.

A

Pit

64
Q

_____ descend from the tips of the cusps of molars and premolars toward the central part of the occlusal surfaces

A

Triangular ridges

65
Q

Which of the following line angles in LEAST “square”?

A

distoincisal of the mandibular lateral incisor

66
Q

Permanent mandibular molars are distinguished from permanent maxillary molars in that permanent mandibular molars have (a) two roots, one mesial and one distal (b) crowns that are broader buccolingually than mesiodistally (c) lingual cusps almost equal in size (d) crown axes inclined toward the buccal

A

(a) and (c) only (a) two roots, one mesial and one distal (c) lingual cusps almost equal in size

67
Q

Which of the following teeth has a form that is often referred to as “heart-shaped”?

A

Maxillary second molar

68
Q

True or False: There is often times not enough space in the mandibular arch for the third molars to erupt.

A

True as written

69
Q

True or False: As a result (of not having enough room for third molars to erupt), partial eruption of the mandibular third molar can lead to both periodontal defects or root resorption at the distal of the second molar.

A

True as written

70
Q

True or False: The lingual inclination of the madibular molars is the basis for the curve of Wilson.

A

TRUE

71
Q

True or False: When the teeth are viewed from a point opposite the first molars buccally, a line following the occlusal and incisal surfaces describes the curve of Spee.

A

TRUE

72
Q

The oblique ridge found on a maxillary first molar is formed by the union of which of the following structures?

A

Distal cusp ridge of the mesiolingual cusp and the triangular ridge of the distobuccal cusp

73
Q

True or False: Both the mandibular first and second molars possess two buccal grooves, the mesiobuccal and distobuccal developmental grooves/

A

FALSE

74
Q

True or False: Because of attrition that occurs with age, estimation of chronological age is more precisine in adults compared to children

A

FALSE

75
Q

Which of the following is true regarding the Mandibular first molar?

A

a & b only (a) It is the largest of the mandibular teeth (b) It has two roots, mesial and distal

76
Q

The cusp of Carabelli, if present on a maxillary first molar, is found on which of the following surfaces?

A

Lingual of mesiolingual cusp

77
Q

True or False: The maxillary 1st molar is the largest tooth in the maxillary arch.

A

TRUE

78
Q

True or False: Maxillary molars are wider buccolinguallly than mesiodistally

A

TRUE

79
Q

On a maxillary first molar, the occlusal outline containes two obtuse angles and two acute angles. The acute line angles are (_____ and ______)

A

mesiobuccal and distolingual

80
Q

Which root of the maxillary first molar tends to be the longest?

A

Lingual

81
Q

The primary cusp triangle on the occlusal surface of a permanent maxillary molar is formed by the (a) distolingual cusp (b) mesiolingual cusp (c) cusp of Carabelli (d) mesiobuccal cusp (e) distobuccal cusp

A

(b), (d), and (e) (b) mesiolingual cusp (d) mesiobuccal cusp (e) distobuccal cusp

82
Q

From the lingual view, all five cusps of the mandibular first molar can be seen.

A

FALSE

83
Q

Which of the following animal groups has a dentition most similar to humans?

A

Anthropoid apes

84
Q

The permanent mandibular first molar typically presents which of the following developmental grooves?

A

a, b, and d (a) Mesiobuccal (b) Distobuccal (d) Lingual

85
Q

Which cusp of the maxillary first molar is the largest and most well formed?

A

Mesiolingual

86
Q

True or False: Continued formation of the tooth root is considered to be an active factor in moving the crown towards its final position in the mouth during eruption.

A

True as written

87
Q

True or False: Root formation is completed once the tooth emerges and is in function use.

A

False as written

88
Q

Which of the following roots MOST likely has two canals?

A

Mesiofacial root of the maxillary first molar

89
Q

Which of the following cusps is often the least well developed for a maxillary second molar?

A

Distolingual

90
Q

From the buccal view, how many roots can be seen on the Maxillary first molar?

A

Three

91
Q

True or False: The distal contact of the mandibular first molar is actually on the distal surface of the distal cusp

A

TRUE

92
Q

Which of the following cusps of the mandibular first molar is the widest when viewed from the buccal aspect?

A

Mesiobuccal

93
Q

True or False: A dehiscence is a window in the bone over the root.

A

FALSE

94
Q

True or False: A fenestration is a cleft of partial absence of bone over the root.

A

FALSE

95
Q

Which of the following are characteristics of a permanent mandibular first molar?

A

Two roots and three canals

Dental Anatomy/Occlusion Lab (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions