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Morph > Morph Final Review > Flashcards

Morph Final Review Flashcards

1
Q

The mesioincisal angle of #8 is:

A. Right angle
B. Acute
C. Obtuse
D. Rounded

A

A. Right angle

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2
Q

The contact area on the mesial surface of a maxillary central incisor is located in the:

A. Middle 1/3
B. Incisal 1/3
C. Cervical 1/3
D. Junction of the middle & cervical 1/3’s

A

B. Incisal 1/3

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3
Q

The shape of the maxillary central incisor when viewed from the mesial is best described as:

A. Rhomboidal
B. Triangular
C. Ovoid
D. Trapezoidal

A

B. Triangular

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4
Q

On which surface of the permanent maxillary central incisor does the cervical line exhibit the greatest amount of curvature?

A. Facial
B. Lingual
C. Mesial
D. Distal

A

C. Mesial

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5
Q

Which of the following is false regarding the permanent maxillary lateral incisor?

A. Anterior tooth with the most variable anatomy
B. Erupts at 8-9 years of age
C. Mesioincisal angle is a right angle
D. Crown is smaller in dimension than the maxillary central incisor

A

C. Mesioincisal angle is a right

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6
Q

Which of the following is the most frequently missing anterior tooth?

A. Maxillary central incisor
B. Maxillary lateral incisor
C. Maxillary canine
D. Mandibular central incisor
E. Mandibular lateral incisor

A

B

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7
Q

Compared to the maxillary central incisor, the lingual fossa of the maxillary lateral incisor is:

A. Shallower
B. Deeper
C. Of the same depth

A

B. Deeper

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8
Q

According to the universal notation system, tooth #26 is the:

A. Permanent mandibular left lateral incisor
B. Permanent mandibular left central incisor
C. Permanent mandibular right central incisor
D. Permanent mandibular right lateral incisor

A

D. Permanent mandibular right lateral incisor

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9
Q

Regarding the mesioincisal and distoincisal angles of the mandibular central incisors:

A. Both angles are right angles

B. The mesioincisal angle is a right angle & the distoincisal angle is rounded

C. The mesioincisal angle is rounded & the distoincisal angle is a right angle

D. Both angles are rounded

A

A. Both angles are right angles

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10
Q

The smallest permanent tooth in the mouth is the:

A. Maxillary central incisor
B. Mandibular central incisor
C. Maxillary lateral incisor
D. Mandibular lateral incisor

A

B. Mandibular central incisor

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11
Q

Which of the following is a characteristic of ALL mandibular incisors?

A. Their proximal contacts are located in the middle 1/3 inciso-cervically

B. Their distoincisal angles are rounded

C. Their facial heights of contour are in the incisal 1/3

D. They have marginal ridges on their lingual surfaces

A

D. They have marginal ridges on their lingual surfaces

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12
Q

Which of the following permanent incisors has the deepest lingual fossa?

A. Maxillary central incisor
B. Mandibular central incisor
C. Maxillary lateral incisor
D. Mandibular lateral incisor

A

C. Maxillary lateral incisor

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13
Q

When does the maxillary central incisor erupt?

A. 6-7 years
B. 7-8 years
C. 8-9 years
D. 10-11 years

A

B. 7-8 years

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14
Q

Which is the mesial view of a mandibular lateral incisor? [PICTURE]

A. Image A
B. Image B

A

A. Image A

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15
Q

When is the first sign of tooth development?

A. 6-7 weeks i.u
B. 18-20 weeks i.u
C. At birth
D. 6 months

A

A. 6-7 weeks i.u

(13-20 weeks iu teeth begin to calcify, 18-20 wks iu all teeth have begun to calcify)

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16
Q

The longest tooth in the maxillary arch is the:

A. Maxilary central incisor
B. Maxillary lateral incisor
C. Maxillary canine

A

C. Maxillary canine

17
Q

How many lobes does the maxillary canine develop from?

A. One
B. Two
C. Three
D. Four
E. Five

A

D. Four

18
Q

What is the first permanent tooth to erupt?

A. Mandibular central incisor
B. Mandibular lateral incisor
C. Mandibular first molar
D. Mandibular second molar

A

C. Mandibular first molar

19
Q

In comparison to a mandibular canine, a maxillary canine:

A. Is longer incisogingivally
B. Has a cusp height that is 1/3 the height of the crown
C. Has a less developed cingulum
D. Narrower mesiodistally

A

B. Has a cusp height that is 1/3 the height of the crown

(Mandibular canines have a cusp height that is 1/5 the height of the crown)

20
Q

The elevation of gingival tissue found lingual to the embrasure between the maxillary central incisors is the called the:

A. Midline palatine raphe
B. Incisive papilla
C. Uvula
D. Labial frenum

A

B. Incisive papilla

21
Q

Which of the following teeth is broader faciolingually than mesiodistally?

A. Maxillary central incisor
B. Maxillary lateral incisor
C. Mandibular central incisor

A

C. Mandibular central incisor

22
Q

When does the maxillary 1st premolar typically erupt?

A. 7-8 years
B. 8-9 years
C. 10-11 years
D. 11-12 years

A

C. 10-11 years

23
Q

When viewed from the buccal, what is the geometric form of the maxillary first premolar?

A. Trapezoid
B. Triangle
C. Rectangle
D. Rhomboid

A

A. Trapezoid

24
Q

How many pulp horns are found in the permanent maxillary canine?

A. One
B. Two
C. Three
D. Four

A

A. One

25
Q

True or False?

In the maxillary 1st premolar, the mesial cusp arms of the buccal cusp is shorter than the distal cusp arm

A. True
B. False

A

B. False

26
Q

Which of the following teeth has a root trunk that is 1/2 to 2/3’s the length of the root?

A. Maxillary canine
B. Mandibular canine
C. Maxillary 1st premolar
D. Maxillary 2nd premolar

A

C. Maxillary 1st premolar

27
Q

Which of the following teeth have crowns that are narrower buccolingually than mesiodistally?

A. Maxillary central incisors
B. Maxillary canines
C. Maxillary 1st premolars
D. Maxillary 2nd premolars

A

A. Maxillary central incisors

28
Q

The mesial marginal ridge groove is found in which of the following teeth?

A. Maxillary canines
B. Mandibular canines
C. Maxillary 1st premolars
D. Maxillary 2nd premolars
E. Both maxillary 1st and 2nd premolars

A

C. Maxillary 1st premolars

29
Q

The outline of the crowns of all posterior teeth from the facial and lingual views is best described as:

A. Rhomboidal
B. Triangular
C. Oval
D. Trapezoidal

A

D. Trapezoidal

30
Q

The embrasures of posterior teeth are called:

A. Incisal, Gingival, Mesial, Distal
B. Occlusal, Gingival, Mesial, Distal
C. Incisal, Gingival, Buccal, Lingual
D. Occlusal, Gingival, Buccal, Lingual
E. Mesial, Distal, Buccal, Lingual

A

D. Occlusal, Gingival, Buccal, Lingual

31
Q

In the mandibular first premolar, which groove separates the mesial marginal ridge from the lingual cusp?

A. Mesial groove
B. Mesiolingual groove
C. Central groove
D. Distal groove

A

B. Mesiolingual groove

32
Q

The mesial marginal ridge groove is found in _________

A. Maxillary 1st premolars
B. Maxillary 2nd premolars
C. Maxillary 1st & 2nd premolars
D. Mandibular 1st premolars
E. Maxillary & mandibular 1st premolars

A

A. Maxillary 1st premolars

33
Q

Which of the following teeth have crowns that have greater mesiodistal widths than faciolingual widths?

A. Maxillary central incisors
B. Maxillary canines
C. Maxillary premolars
D. Mandibular canines

A

A. Maxillary central incisors

34
Q

When viewed from the mesial aspect, the position of the buccal cusp tip of the mandibular 1st premolar is:

A. Centered over the midline of the tooth.
B. Buccal to the midline of the tooth
C. Lingual to the midline of the tooth
D. Buccal to the buccal outline of the root.

A

Morph (30 decks)

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