Permanent Canines

Question 1

uThe canines are also referred to as _____. Some patients may call the canines their _____or in some instances their ___

Question 2

uThe canines have been called the “____ of the ____,” since they are intermediary between the ____ and____ teeth in ___, ___ and ____ ____.

Answer 2

uThe canines have been called the “cornerstones of the mouth,” since they are intermediary between the incisors and posterior teeth in function, form and arch position.

Question 3

uThe canines are the most ____ teeth in the mouth.
uThey have the longest combined ___ ___ ___ ___ in each arch.

Question 4

uThe canine root is very firmly anchored in the ___ ____. The thick ___ ____of bone overlying the root is called the ____ _____

Answer 4

uThe canine root is very firmly anchored in the alveolar bone. The thick facial plate of bone overlying the root is called the canine eminence.

Question 5

uThey are normally the last teeth in the mouth to be l___ to ___ ____
uThey make excellent____ for ___ and ___ ____

Answer 5

uThey are normally the last teeth in the mouth to be lost to periodontal disease.
uThey make excellent abutments for bridges and partial dentures.

Question 6

uThe cusp tips of the permanent canines are ___ ___ the ___ ____
uMore of the crown is ___ to the root center due to the prominence of the ___ ____ ___ ____.

Answer 6

uThe cusp tips of the permanent canines are directly over the root centers.
uMore of the crown is distal to the root center due to the prominence of the distal height of contour.

Question 7

Function

uThe canine’s role in mastication is mainly ____.

This role is intermediate between the ____ of the incisors and the____ of the posterior teeth.
uThe canines also contribute to ___, ____ ___, and ____

Answer 7

uThe canine’s role in mastication is mainly tearing. This role is intermediate between the biting of the incisors and the grinding of the posterior teeth.
uThe canines also contribute to esthetics, facial support and phonetics.

Question 8

Form
uProximal view- the crowns have the same____ or ____shape as the ____

Answer 8

uProximal view- the crowns have the same triangular or wedge shape as the incisors.

Question 9

Form

uIn a facial or lingual view, the crowns of the canines are _____ in shape.
uIn a facial view, the crowns of the permanent canines resemble those of the ______
uThe crown exhibits a ___ ____, which has ___ ___ ___

Answer 9

uIn a facial or lingual view, the crowns of the canines are pentagonal in shape.
uIn a facial view, the crowns of the permanent canines resemble those of the premolars.
uThe crown exhibits a sharp cusp, which has two biting edges.

Question 10

Form
uTheir ___ ___, ____ and ___ ____are similar to those of the incisors. Their___ and ____is a feature common to the posterior teeth.

Answer 10

uTheir biting edges, cingula and marginal ridges are similar to those of the incisors. Their cusp and facial ridge is a feature common to the posterior teeth.

Question 11

Arch Position

uThe canines are the ___ tooth from the midline in each quadrant.
uThe canines are positioned between the more or less ____ positioned___ and the _______positioned ___ and ____

Answer 11

uThe canines are the third tooth from the midline in each quadrant.
uThe canines are positioned between the more or less laterally positioned incisors and the anteroposteriorly positioned premolars and molars.

Question 12

Maxillary Canines - Development

uInitiation of calcification:
uCompletion of enamel:
uThe maxillary canines are the
uThey erupt at
uCompletion of root:

Answer 12

uInitiation of calcification: 4 to 5 months
uCompletion of enamel: 6 to 7 years
uThe maxillary canines are the last permanent anterior teeth to erupt.
uThey erupt at 11 to 12 years of age.
uCompletion of root: 13 to 15 years

Question 13

The Maxillary Canines

uThe general crown form is _____ when viewed from the labial or lingual.
uThe crown exhibits one rather ___ ____ incisally, which has ___ biting edges.
uThe crown is bulky in comparison to the incisors, especially ______, which gives it the appearance of ____

Question 14

Maxillary Canines versus Maxillary Centrals

uThe canine’s crown length
uThe canine’s crown is noticeably _____ mesiodistally.

Answer 14

uThe canine’s crown length is about the same or slightly shorter.
uThe canine’s crown is noticeably narrower mesiodistally.

Question 15

Maxillary Canines versus Maxillary Centrals

uThe canine’s crown is considerably ____ labiolingually.
uThe ___ ___ ___of the canine is much more ____. This is partially responsible for the greater ____of the canine’s____ surface.

Answer 15

uThe canine’s crown is considerably wider labiolingually.
uThe middle labial lobe of the canine is much more developed. This is partially responsible for the greater convexity of the canine’s facial surface.

Question 16

Maxillary Canines versus Maxillary Centrals
uThe canine is a much ___ tooth and the ____shows greater ____.
uThe canine’s root is ___ and the overall length (crown + root) of the canine is____

Answer 16

uThe canine is a much stronger tooth and the cingulum shows greater development.
uThe canine’s root is longer and the overall length (crown + root) of the canine is greater.

Question 17

Maxillary Canine
uThe mesial height of contour is located at
uThe distal height of contour is located in the
uNote - the mesial and distal heights of contour are at the

Answer 17

uThe mesial height of contour is located at the junction of the middle and incisal thirds.
uThe distal height of contour is located in the middle third.
uNote - the mesial and distal heights of contour are at the contact areas.

Question 18

Maxillary Canine

uPrior to attrition the mesial ridge of the cusp is____ than the distal ridge.
uFrom the contact area to the cervical line, the mesial surface is slightly ___ and has a ___ mesioincisal angle.
uFrom the contact area to the cervical line, the distal surface of the crown is ___ and has a ____ insical angle.

Answer 18

uPrior to attrition the mesial ridge of the cusp is shorter than the distal ridge.
uFrom the contact area to the cervical line, the mesial surface is slightly convex and has a roundedd mesioincisal angle.
uFrom the contact area to the cervical line, the distal surface of the crown is concave and has a rounded insical angle.

Question 19

Maxillary Canines - Labial Aspect

uMesiolabial and distolabial developmental depressions lay on ___ ___ of the ___ ___in its ___portion.

In newly erupted canines, these depressions may extend onto the__ ___ ____ thus creating a slighly ___ area when viewed from the ___
uImbrication lines are___ ____ in the___ 1/3
uMamelons are ___________.

Answer 19

uMesiolabial and distolabial developmental depressions lay on either side of the labial ridge in its incisal portion. In newly erupted canines these depressions may extend onto the 2 incisal slopes thus creating a slighly concave area when viewed from the facial.
uImbrication lines are normally present in the cervical 1/3.
uMamelons are not usually present.

Question 20

Maxillary Canines - Labial Aspect

uThe mesial ridge slopes to a ___ degree than the distal ridge. (prior to attrition)
uThe cusp tip extends past the plane of occlusion by as much as ___-___ ____

Answer 20

uThe mesial ridge slopes to a lesser degree than the distal ridge.
uThe cusp tip extends past the plane of occlusion by as much as one to two millimeters.

Question 21

Labial surface is ___in all dir but the curvature is more pronounced ____

Distal margin is ___ than the mesial margin

Answer 21

Labial surface is convex in all dir but the curvature is more pronounced mesiodistally

Distal margin is shorter than the mesial margin

Question 22

Incisal margin is divided into ___ components by the __of the cusp

____

___

Answer 22

Incisal margin is divided into 2 components by the tip of the cusp

Mesioincisal slope

Distoincisal slop

Question 23

Prior to attrition: tip of cusp is located ___ ___ ___ ____of the root.

with normal attritional wear, the cusp tip moves to the___ thus lengthening the ___ cusp ridge and shortening the___ cusp ridge.

Answer 23

Prior to attrition: tip of cusp is located in line with center of the root.

with normal attritional wear, the cusp tip moves to the distal thus lengthening the mesial cusp ridge and shortening the distal cusp ridge.

Question 24

CEJ

Answer 24

curved evenly twd root

Question 25

Labial ridge Transcends the ___ surface in incisocervical direction and is more prominant in \_\_\_\_protion represents greater development of ___ \_\_\_ ___ as compared to the ___ and ___ labial lobes. It is responsible for the greater ____ \_\_\_\_of ___ \_/\_\_ of the labial surface when compared to incisors

Answer 25

Labial ridge Transcends themiddle surface in incisocervical direction and is more prominant in incisal protion represents greater development of middle labial lobe as compared to the mesial and distal labial lobes. It is responsible for the greater mesiodistal convexity of incisal 2/3 of the labial surface when compared to incisors

Question 26

Maxillary Canines - Lingual * uThe cingulum is normally\_\_\_ and \_\_\_ * uThe marginal ridges are\_\_\_\_ * **uThe lingual ridge is\_\_\_ \_\_\_\_\_** * uThe mesiolingual and distolingual fossae are \_\_\_\_ * A _____ \_\_\_\_ and/or ___ \_\_\_ may be present. * not \_\_\_ * when present groove is \_\_\_ * Lingual pit may be present even when ___ \_\_\_ \_\_\_

Answer 26

Maxillary Canines - Lingual uThe cingulum is normally bulky and smooth. uThe marginal ridges are prominent. uThe lingual ridge is convex incisocervically. uThe mesiolingual and distolingual fossae are shallow. uA linguogingival groove and/or lingual pit may be present. not commmong when present groove is shallow Lingual pit may be present even when groove is absent

Question 27

Mesial distal and incisal outlines are similar to\_\_\_\_ Cervical outline: curves ___ twd \_\_\_with ___ \_\_\_ to the \_\_\_ Mesiodistal dimenstion of lingual surface is \_\_\_than that of labial surface since mesial and distal surfaces converge slightly twd the \_\_\_

Answer 27

Mesial distal and incisal outlines are similar to labial Cervical outline: curves assymetrically twd apex with slight offset to dista Mesiodistal dimenstion of lingual surface is less than that of labial surface since mesial and distal surfaces converge slightly twd the lingual

Question 28

Maxillary Canine - Mesial Aspect * uWhen viewing a maxillary canine from the mesial, a line bisecting the apex and root will pass ____ to the cusp tip. * uLabial outline is ___ \_\_\_\_\_. * convexity is slightly ____ than for max incisors * uDue to the convexity of the ___ and ___ \_\_\_, the lingual surface of the maxillary canine’s crown is \_\_\_\_. * Lingual outline is ___ in incisal 1/2 and \_\_\_in cingulum area but ___ \_\_\_than on incisor crowns because of ___ \_\_\_ * uThe maxillary canine has the\_\_\_ \_\_\_in the mouth. * uThe labial and lingual heights of contour are in the\_\_\_ \_\_\_

Answer 28

Maxillary Canine - Mesial Aspect uWhen viewing a maxillary canine from the mesial, a line bisecting the apex and root will pass lingual to the cusp tip. uLabial outline is convex incisocervically. convexity is slight greater than for max incisors uDue to the convexity of the cingulum and lingual ridge, the lingual surface of the maxillary canine’s crown is biconvex. Lingual outline is concave in incisal 1/2 and convex in cingulum area but less so than on incisor crowns because of lingual ridge uThe maxillary canine has the longest root in the mouth. uThe labial and lingual heights of contour are in the cervical third.

Question 29

Mesial surface is \_\_\_in all dimensions and is wider ____ than mesial surface of any of\_\_\_\_. \_\_\_ in shape Cervical outline: curved ___ twd ____ with greatest extent of curvature directly ___ \_\_\_\_ edge

Answer 29

Mesial surface is convex in all dimensions and is wider labiolingually than mesial surface of any of incisors. triangular in shape Cervical outline: curved evenly twd incisal with greatest extent of curvature directly beneath incisal edge

Question 30

Incisal outline: in**cisal edge is ___ a**nd from this aspect has an outline which slopes from \_\_\_to ___ like max incisors. **C.a is at \_\_\_\_\_\_\_\_\_\_\_\_,** ____ bw labial and lingual surfaces. \_\_\_\_shape. Longer ____ than \_\_\_\_

Answer 30

Incisal outline: incisal edge is thick and from this aspect has an outline which slopes from labial to lingual like max incisors. C.a is at jcn of middle/incisal 1/3, midway bw labial and lingual surfaces. Ovoid shape. Longer incisocervically than labiolingually

Question 31

Distal Aspect ## Footnote Distal aspect: The distal surface is similar to the mesial surface, with the following exceptions: a. The distal surface is generally\_\_\_, with resultant ___ labial and lingual margins. b. The cervical margin exhibits ____ curvature incisally than it does on the mesial surface. c. The lingual outline of the distal marginal ridge is likely to be ___ \_\_\_\_ than the outline of the mesial marginal ridge. d. The contact area is more ___ than on the mesial, and is located at a more cervical level which is in thw ____ third. Although a different shape, it occupies about the ___ \_\_\_ \_\_\_as does the mesial contact. e. A concavity is usually present in the ___ half of the ____ surface. f. The height of contour is located at a more\_\_\_\_ level, and is associated with the contact area in the middle third.

Answer 31

Distal aspect: The distal surface is similar to the mesial surface, with the lowing exceptions: a. The distal surface is generally smaller, with resultant shorter labial and lingual margins. b. The cervical margin exhibits less curvature incisally than it does on the mesial surface. c. The lingual outline of the distal marginal ridge is likely to be more irregular than the outline of the mesial marginal ridge. d. The contact area is more circular than on the mesial, and is located at a more cervical level which is in the middle third. Although a different shape, it occupies about the same sized area as does the mesial contact. e. A concavity is usually present in the cervical half of the distal surface. f. The height of contour is located at a more cervical level, and is associated with the contact area in the middle third.

Question 32

uThe crown is the ___ \_\_\_\_\_of any of the anterior teeth. uThis is due to the prominent ___ \_\_\_\_ and \_\_\_\_ uIn an incisal view, the crown has a ____ \_\_\_\_ shaped outline.

Answer 32

uThe crown is the widest labiolingually of any of the anterior teeth. uThis is due to the prominent labial ridge and cingulum. uIn an incisal view, the crown has a asymmetrical diamond shaped outline.

Question 33

uThe distal portion of the crown in\_\_\_\_ than the mesial portion. Mesial portion is ____ labiolingually and more \_\_\_\_ Distal portion of the crown is\_\_\_\_ labiolingually and has a slight ___ in its ___ and ___ outline. uThe middle labial lobe contains the __ \_\_\_.

Answer 33

uThe distal portion of the crown in thinner than the mesial portion. Mesial portion is thicker labiolingually and more convex. Distal portion of the crown is thinner labiolingually and has a slight concavity in its labial and lingual outline. uThe middle labial lobe contains the cusp tip.

Question 34

From the incisal view, the canine is ___ in its labial and lingual outlines

Answer 34

From the incisalview , the canine is convex in its labial and lingual outlines

Question 35

uThe root is ___ and normally the\_\_\_\_ root in the mouth. uThe root is wider\_\_\_\_\_ than ___ and **exhibits\_\_\_\_\_\_ \_\_\_\_.** uThe facial and lingual surfaces- \_\_\_\_, the proximal surfaces are ___ \_\_\_\_. uCervical and mid-root cross section - ____ ovoid.

Answer 35

uThe root is single and normally the longest root in the mouth. uThe root is wider labiolingually than mesiodistally and exhibits faciolingual taper. uThe facial and lingual surfaces- convex, the proximal surfaces are slightly flattened. uCervical and mid-root cross section - roughly ovoid.

Question 36

From all aspects, the root tapers gradually to a \_\_\_, or ____ \_\_\_apex. The root, like the crown, exhibits mesial and distal surfaces which ___ twd the \_\_\_\_. Thus, the labial root surface is ____ \_\_\_\_\_ than the lingual root surface The mid root section is similar, except that the mesial and distal outlines are most likely to be \_\_\_\_

Answer 36

From all aspects, the root tapers gradually to a sharp, or slightly blunted apex. The root, like the crown, exhibits mesial and distal surfaces which converge toward the lingual. Thus, the labial root surface is wider mesiodistally than the lingual root surface The mid root section is similar, except that the mesial and distal outlines are most likely to be convex.

Question 37

Maxillary Canines - Variations and Anomalies \_\_\_ in ____ or \_\_\_\_\_ \_\_\_\_\_

Answer 37

uEruption in labioversion or linguoversion uImpaction

Question 38

Crown form does not vary widely, although the ____ of the ___ \_\_\_ has considerable range. b. On rare occasions, the\_\_\_\_ surface may exhibit a\_\_\_ which is located near the **most ___ level of** the ___ When a tubercle is present, a ___ \_\_\_ is often associated with it. c. Root form is subject to variations. There may be several curvatures along its \_\_\_. If curved in the apical third, the deflection is most commonly to the \_\_\_. d. Since the maxillary canine normally erupts ___ the ___ \_\_\_, its space is sometimes ___ \_\_\_. It may then erupt well to the \_\_\_l or\_\_\_\_l of the other teeth, or\_\_\_ ___ at \_\_\_, in which case it is considered to be\_\_\_

Answer 38

Crown form does not vary widely, although the sharpness of the cusp tip has considerable range. b. On rare occasions, the lingual surface may exhibit a tubercle which is located near the most incisal level of the cingulum. When a tubercle is present, a lingual pit is often associated with it. c. Root form is subject to variations. There may be several curvatures along its length. If curved in the apical third, the deflection is most commonly to the distal. d. Since the maxillary canine normally erupts after the maxillary premolars, its space is sometimes partially closed. It may then erupt well to the labial or lingual of the other teeth, or not erupt at all, in which case it is considered to be impacted

Question 39

* The general ___ and ____ are similar to those of the maxillary canines. * The crown of the mandibular canine is as ____ or ____ \_\_\_\_\_ly when compared to the maxillary. * The mesiodistal and labiolingual dimensions of both ___ and ___ are normally ____ in the mandibular canine. * uThe mandibular canine’s root is usually \_\_\_but in some cases may be as \_\_\_\_. Total crown+ root length is ___ the\_\_\_\_ for the 2 canines.

Answer 39

uThe general form and function are similar to those of the maxillary canines. uThe crown of the mandibular canine is as long or longer incisocervically when compared to the maxillary. uThe mesiodistal and labiolingual dimensions of both crown and root are normally less in the mandibular canine. uThe mandibular canine’s root is usually shorter but in some cases may be as long. Total crown+ root length is about the same for the 2 canines.

Question 40

uLingual surface and its structures are ___ \_\_\_\_ developed than in the maxillary canine. Form of lingual surface is more closely allied to that of ____ \_\_\_\_ even with the presence of a ___ \_\_\_. uCusp is\_\_\_ ____ developed and cusp tip is ___ \_\_\_\_ (\_\_\_\_\_ly) than that of the maxillary canine. uLabial surface is generally ___ \_\_\_\_ than that of the maxillary canine. especially true in ____ \_/\_ of surface. However it may be ___ \_\_\_mesiodistally in the ___ 1/3

Answer 40

uLingual surface and its structures are less well developed than in the maxillary canine. Form of lingual surface is more closely allied to that of mandibular incisors even with the presence of a lingual ridge. uCusp is less well developed and cusp tip is less sharp (mesiodistally) than that of the maxillary canine. uLabial surface is generally less convex than that of the maxillary canine. especially true in incisal 2/3 of surface. However it may be more convex mesiodistally in the cervical 1/3

Question 41

uInitiation of calcification: uCompletion of enamel: **uEruption: uCompletion of roots:**

Answer 41

uInitiation of calcification: 4 to 5 months uCompletion of enamel: 6 to 7 years uEruption: 9 to 10 years uCompletion of roots: 12 to 14 years

Question 42

uThe mesial height of contour is located in the ___ third. uThe distal height of contour is located \_\_\_\_\_\_\_\_ uNote - the mesial and distal heights of contour are at the\_\_\_ \_\_\_

Answer 42

uThe mesial height of contour is located in the incisal third. uThe distal height of contour is located at the junction of the middle and incisal thirds. uNote - the mesial and distal heights of contour are at the contact areas.

Question 43

uFrom the contact area to the cervical line, the mesial surface of the crown is ___ with an ____ mesioincisal angle. uNote - the mesial surface of the crown almost\_\_\_\_ the long axis of the tooth. uThe mesial ridge of the cusp is ____ than the distal ridge. uThe distal ridge is ____ than the mesial.

Answer 43

uFrom the contact area to the cervical line, the mesial surface of the crown is straight with an obtuse mesioincisal angle. uNote - the mesial surface of the crown almost parallels the long axis of the tooth. uThe mesial ridge of the cusp is shorter than the distal ridge. uThe distal ridge is steeper than the mesial.

Question 44

uFrom the contact area to the cervical line, the distal surface of the crown is slightly ____ \_\_\_\_\_ly with a\_\_\_distoincisal angle. uDue to the shape of the proximal surfaces, the contact areas are more ____ than their respective counterparts on the ____ \_\_\_\_

Answer 44

uFrom the contact area to the cervical line, the distal surface of the crown is slightly convex incisocervically with a rounded distoincisal angle. uDue to the shape of the proximal surfaces, the contact areas are more incisal than their respective counterparts on the maxillary canine.

Question 45

uIncisal outline - the cusp is ___ and\_\_\_\_ pointed than the maxillary canine. The cusp tip is located ___ \_\_\_\_the root center. The distal ridge of cusp is normally ___ and ____ than the mesial ridge. uThe labial ridge is uDevelopmental depressions are uImbrication lines are

Answer 45

uIncisal outline - the cusp is shorter and less pointed than the maxillary canine. The cusp tip is located directly over the root center. The distal ridge is normally longer and steeper than the mesial ridge. uThe labial ridge is not as prominent. uDevelopmental depressions are present. uImbrication lines are normally absent.

Question 46

Shape \_\_\_\_ more ____ than in the\_\_\_ \_\_\_\_\_ The distal margin is ___ than the mesial margin. Since the distoincisal slope of the mandibular canine normally occludes with the ____ \_\_\_\_of the ____ \_\_\_\_, the wear pattern is reflected in a\_\_\_\_displacement of the cusp tip of the mandibular canine, and a lengthening of its \_\_\_\_slope. However, prior to attrition, the cusp tip is located ___ \_\_\_ the ___ \_\_\_ as in the maxillary canine. Cervical outline - The cervical line is\_\_\_\_ curved toward the \_\_\_ Other considerations - The labial surface appears to be much ____ incisocervically than the maxillary canine. and in fact, it is as long, or slightly longer. However, the main reasons for this appearance are its ____ \_\_\_\_\_dimension, and the ___ \_\_\_ location of the ___ \_\_\_\_

Answer 46

Pentagonal more convex than in the mandibular incisors. The distal margin is shorter than the mesial margin. Since the distoincisal slope of the mandibular canine normally occludeswith the mesioincisal slope of the maxillary canine, the wear pattern is reflected in a mesial displacement of the cusp tip of the mandibular canine, and a lengthening of its distoincisal slope. However, prior to attrition, the cusp tip is located directly over the root center, as in the maxillary canine. Cervical outline - The cervical line is evenly curved toward the root. Other considerations - The labial surface appears to be much longer incisocervically than the maxillary canine. and in fact, it is as long, or slightly longer. However, the main reasons for this appearance are its narrower mesiodistal dimension, and the more incisal location of the contact areas.

Question 47

uThe lingual surface is ____ and lacking in ___ \_\_\_. uThe cingulum does not extend as far i\_\_\_\_ uThe marginal ridges and lingual ridge are\_\_\_ \_\_\_ uThe mesiolingual and distolingual fossae are ___ \_\_\_

Answer 47

uThe lingual surface is smoother and lacking in anatomic detail. uThe cingulum does not extend as far incisally. uThe marginal ridges and lingual ridge are less prominent. uThe mesiolingual and distolingual fossae are less distinct.

Question 48

a. Mesial, distal, and incisal outlines - These margins\_\_\_ those of the ___ aspect. b. Cervical margin - The cervical line exhibits a ___ depth of curvature than on the \_\_\_, and it is \_\_\_\_, with the greatest curvature ___ to the \_\_\_\_. There are rarely any\_\_\_ , ___ or ___ on the lingual surface. As is the case with other anterior teeth, the ____ surface is slightly narrower mesiodistally than the ____ surface.

Answer 48

a. Mesial, distal, and incisal outlines - These margins mimic those of thelabial aspect. b. Cervical margin - The cervical line exhibits a greater depth of curvature than on the labial, and it is uneven, with the greatest curvature offset to the distal. There are rarely any grooves, pits, or tubercles on the lingual surface. As is the case with other anterior teeth, the lingual surface is slightly narrower mesiodistally than the labial surface.

Question 49

uThe convexity of the cingulum is ___ \_\_\_ uThe incisal ridge is\_\_\_ \_\_\_ly. uThe crown is noticeably _____ \_\_\_\_ly than the maxillary canine. uThe labial and lingual heights of contour are in the ___ third.

Answer 49

uThe convexity of the cingulum is less prominent. uThe incisal ridge is thinner labiolingually. uThe crown is noticeably narrower labiolingually than the maxillary canine. uThe labial and lingual heights of contour are in the cervical third.

Question 50

uWhen viewing a mandibular canine from the proximal aspect, a line bisecting the apex and root will pass ____ to the cusp tip.

Answer 50

uWhen viewing a mandibular canine from the proximal aspect, a line bisecting the apex and root will pass labial to the cusp tip.

Question 51

Mesial aspect: a. Labial margin - The entire labial outline is \_\_\_\_\_, with the greatest rounding at the height of contour in the cervical third. b. Lingual margin - The llngual outline is similar to that of the maxillary canine, except the cingulum convexity is less prominent and located farther cervically. d. Cervical margin - The CEJ is quite\_\_\_\_ curved \_\_\_\_ e. Other considerations - The mesial surface is roughly ____ in shape The contact area is located in the incisal third, about ____ between the labial and lingual surfaces. It is \_\_\_, and wider \_\_\_\_than \_\_\_\_.

Answer 51

Mesial aspect: a. Labial margin - The entire labial outline is convex, with the greatest rounding at the height of contour in the cervical third. b. Lingual margin - The llngual outline is similar to that of the maxillary canine, except the cingulum convexity is less prominent and located farther cervically. d. Cervical margin - The CEJ is quite evenly curved incisally. e. Other considerations - The mesial surface is roughly triangular in shape The contact area is located in the incisal third, about midway between the labial and lingual surfaces. It is ovoid, and wider incisogingivally than labiolingually.

Question 52

Distal aspect: a. The distal is similar to the mesial surface in all respects, except that it is slightly\_\_\_ in all dimensions. b. The contact area, and thus the height of contour, are found at a more cervlcal level at the junction of the incisal and middle thirds. It also has a different outline which approaches a ____ shape. c. There is no incisocervical ____ on the dlstal surface, as there is onthe mesial surface.

Answer 52

Distal aspect: a. The distal is similar to the mesial surface in all respects, except that it is slightly smaller in all dimensions. b. The contact area, and thus the height of contour, are found at a more cervlcal level at the junction of the incisal and middle thirds. It also has a different outline which approaches a circular shape. c. There is no incisocervical flattening on the dlstal surface, as there is onthe mesial surface.

Question 53

uThe mandibular canine is similar in this view to the _____ \_\_\_\_. uThe crown is ___ \_\_\_\_\_ly towards the \_\_\_\_ uThe cingulum is offset to the \_\_\_\_ ## Footnote The labial outline is more ___ \_\_\_\_\_ly than In the ____ \_\_\_\_

Answer 53

uThe mandibular canine is similar in this view to the maxillary canine. uThe crown is thicker labiolingually towards the mesial. uThe cingulum is offset to the distal. The labial outline is more convex mesiodistally than In the mand~bular incisors.

Question 54

Mandibular Canines - Root Structure uRoot is normally ___ and fairly\_\_\_\_. It is the longest root in the ___ \_\_\_. uThe root is narrower \_\_\_\_ly than ly and **exhibits ____ \_\_\_.** The lingual portion is ____ \_\_\_\_ly than is the labial uRoot concavities ___ \_\_\_ ____ and may extend the ___ \_\_\_ \_\_. uCervical cross section and mid-root cross section - roughly \_\_\_\_

Answer 54

Mandibular Canines - Root Structure uRoot is normally single and fairly straight. It is the longest root in the mandibular arch. uThe root is narrower mesiodistally than labiolingually and exhibits faciolingual taper. The lingual portion is narrower mesiodistally than is the labial uRoot concavities may be present and may extend the full root length. uCervical cross section and mid-root cross section - roughly ovoid.

Question 55

Both labial and lingual surfaces are \_\_\_, while the mesial and distal surfaces are ___ or \_\_\_. The mid root section is similar, but the mesial and distal surfaces are more likely to be\_\_\_ rather than \_\_

Answer 55

Both labial and lingual surfaces are convex, while the mesial and distal surfaces are flattened or concave. The mid root section is similar, but the mesial and distal surfaces are more likely to be flattened rather than concave

Question 56

Mandibular Canines - Variations and Anomalies Crown form is ___ greatly variable. \_\_\_\_\_ ___ roots are occasionally seen. The mandibular canine is the ____ tooth most likely to have a\_\_\_ root (\_\_\_\_\_\_). u

Answer 56

uCrown form is not greatly variable. uIrregularly curved roots are occasionally seen. uThe mandibular canine is the anterior tooth most likely to have a bifurcated root (one labial, one lingual). u