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| Question |
Answer |
| Where are central incisors located? |
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| Where are the lateral incistors located? |
|
| What are the three major functions of incisors? |
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| What is the incisal edge? |
|
| What are mamelons? |
|
| Where are the marginal ridges of incisors found? |
|
| True or Fals: The linguogingival groove is commonly found in the
maxillary lateral incisors than the central incisors. |
|
| True or False: The Lingual pit is a potential site for caries. |
|
| The linguogingival fissure is a groove that originates in the
________, and extends cervically, and slightly _________ onto the
cingulum. |
|
| What direction does the lingugingival fissure run in? |
|
| Which third of the maxillary lateral incisor is the height of conteur
located? |
|
| True or false: From a mesial aspect, the cervical line of the
maxillary lateral incisors exhibits more depth of curvature than it does
on the mesial of the central incisor. |
. |
| On the maxillary lateral incisor, which side is bigger the mesial or
distal, and which has the longer (incisally placed) contact area? |
|
| From the incisal view, what feature is different on the lateral from
the central maxillary incisors? |
|
| What geometric shape does the outline of the incisal view of the
maxillary lateral incisor exhibit? |
|
| Looking at the incisors labiolingually which exhibits more convexity,
the centrals or laterals? |
|
| Describe the distal outline of a max central incisor as compared to
its mesial outline. |
|
| Where is the crest of curvature on the distal proximal surface of a
max central incisor? |
|
| Where is the contact area on the distal proximal surface of a max
central incisor? |
|
| Is the distal contact area more gingivally or incisally located than
the mesial? |
|
| What is a unique characteristic that the incisal edge of a max central
incisor may possess? |
|
| What are developmental depressions? |
|
| What are the names of these developmental depressions? |
|
| What are imbrication lines? |
|
| Where is the height of contour on the facial surface of max central
incisors? |
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| Describe the lingual aspect of a max central incisor. |
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| Describe the cervical margin of the lingual surface of a max central
incisor. |
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| The permanent incisors on which arch are larger? |
|
| What are the names and numbers of the permanent maxillary central
incisors? |
|
What is the crown shape of the maxillary central incisor from:
labial or lingual aspect
proximal aspect |
|
| What are the primary functions of the central incisors? |
|
Maxillary Central Incisors developmental table:
Initiation of
calcification-
Completion of enamel -
Eruption -
Completion of
root - |
|
The crown of the central incisor is longer
a.)
mesiodistally
b.) incisocervically |
|
| The labial surface of the central maxillary incisor is concave or
convex? |
|
| In which third will you find the mesial contact of a maxillary central
incisor? |
|
| What is the lingual fossa of the maxillary central incisor? |
|
| What on the maxillary central incisor is bounded by four convexities;
on the mesial and distal by the mesial and distal marginal ridges, on the
incisal by the incisal edge, and on the cervical by the cingulum |
|
| What is the bulky convexity located in the cervical portion of the
lingual surface of the maxillary central incisor? |
|
| On maxillary central incisors sometimes there is a groove that
separates the cingulum and the lingual fossa. What is it called? |
|
| What is the pit called that is located between the cingulum and fossa
near the center of the linguogingival groove on the maxillary incisors?
|
|
| What two structures (lingually) are found more commonly on the
maxillary lateral incisors than on the maxillary centrals |
|
| What marks the mesial and distal borders of the lingual fossa as well
as the lingual surface of the maxillary central incisors? |
|
| What are linear, and extend from their respective incisal angles to
the cingulum and named by location (mesial & distal)? |
|
| Where is the height of contour of the maxillary central incisor? |
|
| Which aspect is the central incisor crown is roughly triangular in
shape, and the incisal edge, at the apex of the triangle, lies over the
long axis of the tooth. The mesial surface is generally convex in both
dimensions, incisocervically & labiolingually. |
|
| What is the labial outline of the maxillary central incisor? |
. |
| What is the lingual outline of the maxillary central incisor? |
|
| Where is the crest of curvature of the lingual outline of the
maxillary central incisors |
|
| What CEJ curves evenly toward the incisal and exhibits the gratest
depth of curvature of any tooth surface in the mouth? |
|
| What on the maxillary central incisor is usually pointed, or slightly
rounded when newly erupted and straight, but slopes from labial to lingual
over time? |
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| T/F: The mandibular central incisor erupts at 5-6 years of age. |
|
| T/F: The mesioincisal angle of the mandibular central incisor is
typically sharper than the incisal angles of maxillary incisors. |
|
| T/F: The distal outline's heigh of contour is found in the middle
third. |
. |
| T/F: The surface outline of the mandibular central incisor is roughly
triangular. |
|
| T/F: Developmental depressions and imbrication lines are not normally
present on the mandibular cental incisor. |
. |
| T/F: The labial surface height of contour is in the cervical third.
|
|
| T/F: The CEJ curves evently toward the root, and is located at the
same distance from the incisal edge as it is on the labial surface. |
|
| T/F: A cingulum is normally present and is usually more prominent than
the maxillary incisor cingulum. |
|
| T/F: The height of contour on the lingual face is in the cervical
third, at the greatest convexity of the cingulum. |
|
| T/F: The mandibular central incisor usually completes its root at 9
years. |
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