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ORAL ANATOMY: MIDTERMS > MAXILLARY CENTRAL INCISORS > Flashcards

MAXILLARY CENTRAL INCISORS Flashcards

1
Q

What is the term given to the 1st and 2nd tooth from the midline

A

INCISORS

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2
Q

TRUE OR FALSE:
The 1st and 2nd teeth from the midline, along with the canine comprises the entirety of the anterior teeth of each quadrant

A

TRUE

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3
Q

What are the incisors closest to the midline

A

CENTRAL INCISORS

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4
Q

What are the incisors or the second tooth from the midline?

A

LATERAL INCISORS

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5
Q

TRUE OR FALSE:

The Maxillary central incisor crown are normally smaller than the crowns of the lateral incisors

A

FALSE, THE CROWNS OF THE CENTRAL INCISORS ARE NORMALLY LARGER THAN THE CROWNS OF THE LATERAL INCISORS

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6
Q

TRUE OR FALSE:

The mandibular lateral incisor crown and root are slightly longer than the root of the mandibular central incisor

A

TRUE

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7
Q

What are the 3 major functions of incisors

A

MASTICATION
ESTHETICS
PHONETICS

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8
Q

A function of incisor that happens by breaking the food particles into smaller pieces sustainable for grinding via biting, cutting, and shearing

A

MASTICATION

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9
Q

A function of incisor that is the manner of size, shape, color and placement of incisor which directly contributes to a person’s appearance

A

ESTHETICS

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10
Q

A function of incisor that is necessary for the execution of certain sounds

A

PHONETICS

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11
Q

Features for differentiating the crowns of incisors from other crowns of tooth

A

INCISAL EDGE
MAMELONS
POSITION AND ANGULATION OF MARGINAL RIDGES
LINGUAL FOSSA& CINGULUM

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12
Q

Feature for differentiating the crowns of incisors from other crowns of tooth that has flattened edge or surface that differs greatly from the single cusp of canines and multi-cusped occlusal surfaces of posterior teeth

A

INCISAL EDGE

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13
Q

Feature for differentiating the crowns of incisors from other crowns of tooth that is rounded extensions of enamel on the incisal ridge of recently erupted incisors.
It is most often 3 in numbers or irregular in number, shape and prominence.
It wears away after incisors come into active occlusion but can occasionally be seen in adult mouths.

A

MAMELONS

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14
Q

What type of labial surface does mamelons have?

A

SMOOTH LABIAL SURFACE

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15
Q

TRUE OR FALSE:
In position and angulation of marginal ridges, the contrast markedly with the same features of the marginal ridges of posterior teeth

A

TRUE

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16
Q

In incisors, where are the marginal ridges located?

A

MESIAL AND DISTAL TERMINATONS OF THE LINGUAL SURFACE.

IT IS MORE OR LESS PARALLEL TO THE TOOTH’S LONG AXIS

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17
Q

In posterior tooth, where are the marginal ridges located?

A

OCCLUSAL SURFACE

ROUGHLY AT RIGHT ANGLES TO THE LONG AXIS OF THE TOOTH

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18
Q

Feature for differentiating the crowns of incisors from other crowns of tooth that is a concavity which covers roughly the incisal half of the lingual surface

A

LINGUAL FOSSA

CINGULUM

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19
Q

How many incisors are present in the maxilla?

A

4

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20
Q

The 1st tooth from the midline that has a nearly straight incisal edge

A

MAXILLARY CENTRAL INCISORS

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21
Q

The cervical line of the maxillary central incisor curves where?

A

THE CERVICAL LINE CURVES TOWARDS THE ROOT

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22
Q

What is the FDI number or the maxillary central incisors?

A

11 & 21

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23
Q

What is the universal number or the maxillary central incisors?

A

8 & 9

24
Q

What is the palmers number or the maxillary central incisors?

A

I_1 & 1_I

25
Q

when is the eruption time or year of the maxillary central incisors

A

7 TO 8 YEARS OLD

26
Q

When is the root completion of the maxillary central incisors?

A

10 YEARS

27
Q

What is the distinguishing factor of the maxillary central incisor

A

WIDEST MEDIO-DISTAL DIMENSION AMONG ANTERIOR TEETH

28
Q

Describe the mesial side of the maxillary central incisors

A

WITH STRAIGHT OUTLINE

29
Q

Describe the distal side of the maxillary central incisors

A

MORE CURVED THAN SHARP

30
Q

Describe the mesial incisal angle of the maxillary central incisors

A

SHARP

31
Q

Describe the distal incisal angle of the maxillary central incisors

A

ROUNDED

32
Q

In the labial aspects of incisor, the mesial outline of the maxillary central incisor is described as?

A

SLIGHTLY CONVEX

33
Q

In the labial aspects of incisor, the distal outline of the maxillary central incisor is described as?

A

MORE CONVEX THAN THE MESIAL OUTLINE

34
Q

In the labial aspects of incisor, the disto-incisal angle of the maxillary central incisor is described as?

A

NOT AS SHARP AS THE MESIOINCISAL ANGLE

35
Q

What is the mesial contact area of the labial aspects of incisors

A

INCISAL 3RD

36
Q

What is the distal contact area of the labial aspects of incisors

A

JUNCTION OF MIDDLE AND INCISAL 3RD

37
Q

TRUE OR FALSE:

The incisal tends to curve downward towards the center

A

TRUE

38
Q

TRUE OR FALSE:

The incisal outline is usually regular and straight when mamelons are abraded

A

TRUE

39
Q

Describe the cervical line of the labial aspect of the maxillary central incisor

A

THEY FOLLOW A SEMICIRCULAR PATTERN IN AN APICAL DIRECTION

40
Q

What is the geometrical configuration of the labial aspects of the incisor

A

TRAPEZOID

41
Q

What is the shape of the root of the labial aspect of maxillary central incisor

A

CONE-SHAPED

42
Q

An aspect of the maxillary central incisor that has convexities and concavities

A

LINGUAL ASPECTS OF MAXILLARY CENTRAL INCISORS

43
Q

What are the present landmarks in the lingual aspects of the maxillary central incisors

A

CINGULUM
MARGINAL RIDGES
LINGUAL FOSSA
INCISAL RIDGES

44
Q

Describe the lingual portion of the lingual aspect of the maxillary central incisors

A

NARROWER THAN THE LABIAL PORTION

45
Q

What is the shape of the crown of the mesial aspect of the maxillary central incisors?

A

WEDGE/TRIANGULAR SHAPED

46
Q

In the mesial aspect of maxillary central incisors, the crest of curvature on labial and lingual is located where?

A

CERVICAL 3RD

47
Q

Describe the labial outline of the mesial aspect of maxillary central incisor

A

SLIGHTLY CONVEX

48
Q

Describe the lingual outline of the mesial aspect of maxillary central incisor

A

IRREGULAR

49
Q

Describe the root of the mesial aspect of maxillary central incisor

A

CONE-SHAPED AND BLUNT

50
Q

In the mesial aspect of maxillary central incisors, where does the CEJ curve towards?

A

THE CEJ CURVES TOWARDS THE INCISAL

51
Q

TRUE OR FALSE:

In the mesial aspect of maxillary central incisors, the CEJ is deeper than any other tooth.

A

TRUE

52
Q

Describe the distal aspect of maxillary central incisors

A

ALMOST SIMILAR WITH THE MESIAL ASPECT OF MAXILLARY CENTRAL INCISOR

53
Q

Describe the CEJ curvature of the Distal aspect of the Maxillary central incisors

A

HAS LESS CURVATURE

54
Q

Describe the distal surface of the Distal aspect of the maxillary central incisor

A

IT APPEARS THICKER THAN THE MESIAL SURFACE

55
Q

Describe the labial surface of the Incisal aspect of the maxillary central incisors

A

IT IS BROAD AND FLAT COMPARED WITH THE LINGUAL SURFACE

56
Q

Where is the convexity of the Incisal aspect of the maxillary central incisors located?

A

AT THE LABIAL CERVICAL 3RD

57
Q

What are the structures seen in the incisal aspect of Maxillary central incisors?

A

MARGINAL RIDGES

CINGULUM

ORAL ANATOMY: MIDTERMS (2 decks)

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