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Incisors
DNH 111
Question | Answer |
---|---|
Evidence of calcification for maxillary central incisors is seen at | 3 months |
Eruption of maxillary central incisors and Mandibular lateral incisors take place | 7-8 years |
The root completion for maxillary central incisors and mandibular lateral incisors | 10 years |
Evidence of calcification of maxillary lateral incisors | 1 year |
Eruption of maxillary lateral incisors take place | 8-9 years |
root completion of maxillary lateral incisors | 11 years |
How many developmental lobes do maxillary central and lateral incisors have? | 4 |
Evidence of calcification of mandibular central incisors? | 3 months |
Eruption of mandibular central incisors take place | 6-7 years |
The root completion for mandibular central incisors | 9 years |
Evidence of calcification of mandibular lateral incisors is seen at | 4 months |
Functions of incisors | cut food articulate speech support lips guide mandible during movement |
What tooth has the longest incisor crown | Maxillary central incisor |
Which way does the CEJ curve on all incisors | toward apex |
Which way does the marginal ridges converge on all incisors | toward cingulum |
Which surface is narrower on all incisors | lingual surface |
Maxillary centrals have _______, _________ crown | wider, longer |
Maxillary laterals are relatively _________ mesiodistally | narrower |
What tooth are more often missing or peg shaped | maxially laterals |
The maxillary central has a mesioincisal angle at nearly a ______ angle | right |
Which maxillary incisors have both mesioincisal and distoincisal angles that are more rounded? | Maxillary Laterals |
What is Perikymata (imbrication lines of peckerill) | where the margin of each enamel layer reaches the free surface of the enamel |
Which maxillary incisor tooth has a longer root | Maxillary lateral incisor |
Which maxillary incisor has a shorter, thicker, more cone shaped root? | Maxillary central incisor |
Which way does the root of the maxillary lateral incisor general bend? | distally at apex |
The maxillary laterals are more likely to have a deeper _______ and pits than centrals? | lingual fossae |
Which way does the cingulum of the maxillary central incisor go | off center towards the distal (incisal view) |
The cingulum of the maxillary lateral incisor are more centered, off to the right or off to the left | centered |
The maxillary centrals (distal view) may have a distoincisal corner showing due to what? | distolingual twist of incisal edge |
From the proximal view on all anterior teeth, the mesial CEJ curves more or less than the distal? | more |
from the proximal view , The largest CEJ curve for all teeth is the _____ of maxillary central incisor | mesial |
Where is the height of contour located on the maxillary incisors? | cervical third |
The maxillary lateral (incisal view) appears what shape | round or oval |
The maxillary central (incisal view) appears what shape | triangular |
From the incisal view , the maxillary centeral exibits a ________ twist of the incisal edge, the lateral does not | distolingual |
The mandibular lateral is bigger or smaller than the centeral ? | bigger |
Which angle is more rounded on the mandibular lateral? | distoincisal |
The mesio- and distoincisal angles are _____ on central mandibular incisors | equal |
Mandibular incisors have how many mamelons | three |
The mandibular central incisors have a mesioincial angle that is greater/lessor/or equal to its distoincisal angle? | equal |
The lateral mandibular incisor (labial view) has a more /less rounded distoincial angle | more |
The roots of mandibular incisors appear to be longer/shorter than its crown? | longer |
The root shape of mandibular incisors from the labial view is bent to the distal/mesial | distal |
Fused teeth have how many roots | two |
germination of teeth have how many roots | one |
If germination occurs, its most likely going to occur on which tooth | maxillary central incisor |
In maxillary incisors that are considered shovel -shaped , the prominence of the |