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Oral Anatomy Incisor

M/M C,L,Canine Incisor

QuestionAnswer
What teeth cut or incise food are for speech and esthetics? First and Second teeth from the midline.
What teeth in the same arch are similar but not to the opposing teeth? Incisors
#7,8,9,10 and #23,24,25,26 are what type of teeth? Incisors
What 2/3s of the crown is compressed labiolingually? Incisal edge
Joining of developmental lobes, usually in newly errupted teeth. Mamelons
Parallel to the long axis of the tooth Position/angulation of marginal ridges
Lingual fossa Concave
Cingulum Convex
Erupts at 7-8 years of age #8 and #9 max central incisors
Root is completed at 10 years of age #8 and #9 max central incisors
Max central incisor is widest at? Mesial-distal
The Mesial angle of central incisors are? At a right angle
The Distal angle of central incisors are? Slightly rounded
Mesial outline in labial view of the central incisor is? The contact is close to the incisal
Distal outline in labial view of the central incisor is? More convex adn contact is at teh junction of incisal and middle 1/3
Facial surface of central incisor in labial view is? You may see developmental grooves
Imbrication lines of the central incisors of labial view is? Faint, elevated lines and at the cervical 1/3 is parrallel to CEJ.
Crown profile on the max central of the lingual view is? It converges toward lingual
The cingulum fossa of the max central of the lingual view is? Convex and concave
Incisal ridge of the max central lingual view is? On newly errupted teeth
Incisal edge of the max central lingual view is? It slopes with age
The crests of curvature on max central mesial view are? Located in the vervial 1/3
Max lateral incisor erupts at? 8-9 years of age.
The root of the max lateral incisor erupts at? 11 years of age
The max lateral of the labial view is? Smaller except the root may be longer.
The Mesial contact of the max lateral labial view is? At the junction of the incisal and middle 1/3
The distal contact of the max lateral labial view is? At the center of the middle 1/3
Mesial Marginal Ridge and Distal Marginal Ridge are? More prominent on the max lateral lingual view.
What has a deeper fossa/pit? The max lateral lingual view
Max lateral mesial view is at a right angle just smaller than central incisor
The CEJ of the max lateral mesial view is? has less curvature than central incisor.
The crest of curvature on the max lateral mesial view is? Slightly more incisally placed compared to the central.
The max lateral distal view is? Similar to mesial
The CEJ of the max lateral distal view has? Less curvature
The Distal Marginal Ridge of the Max lateral on the distal view gives? A thicker appearance.
The cingulum on the max lateral incisal view is? Distal of the midline
The root of the max lateral... Tends to incline alittle bit distally
The mand incisor arch has... The narrowest teeth, the lateral is larger than the centrals, the marginal ridges and cinguli are not prominent. The roots are wider labiolingually.
mand central incisor erupts at? 6-7 years of age.
Mand central of the labial view contacts are? Mesial and Distal contacts are both at the incisal 1/3 at the same height.
The FEJ of the mand central labial view is? A semicircle
The root of the mand central labial view is? It narrows, is conical, and has a distal inclination.
The CEJ of the mand central lingual view is? More curvature due to the convergence.
The Crest of curvature in the mand central mesial view is? Lingual and facial in the cervial 1/3
The incisal edge of the mand central mesial view is? Slightly lingual to long axis
The root of the mand central mesial view is? Flat and broad
The CEJ of the mand central distal view has? Less curvature
The developmental groove of the mand central distal view is? Is deeper on this aspect than on the mesial root surface.
The cingulum of the mand central incisal view is? Slightly to distal
The root of the mand central incisal view is/ Single
The mand lateral incisor erupts at? 7-8 years of age
Teh root of the mand lateral incisor is completed at? 10 years of age
The mand lateral incisor at the labial view is? Not symmetrical
The incisal edge of the mand lateral incisor of the labial view... Slopes to the distal
The mesial outline of the mand lateral labial view is? Greater
the distal incisal line angle of the mand lateral labial view is? More rounded
The mesial and distal contacts of the mand lateral labial view are? Both incisal 1/3, but the distal is placed more cervically.
The cingulum of the mand later lingual view is? Off set more to the distal than the central.
The FEJ of the mand lateral lingual view has? A curvature that is off set distally.
The mesial and distal CEJ of the mand lateral at the M,D, and I views have? Less curvature
The incisal edge of the mand lateral... is not at a 90 degree angle, follows the vurvature of the arch, and Pulls Lingually.
The mamelon in the mand incisors are? More common than in the max arch.
The functions of the canine teeth are? To pierce, hold, and tear food.
What is the strongest tooth in the arch? The canine
What is the cornerstone of the occlusion? The canine
What is usaully the darkest tooth? The canine
What tooth protects the posterior teeth? The canine
The canine has how many cusps? One large cusp
The root of the canine is? The longest
The only tooth that has a functional lingual surface is? The canine.
The max canine erupts at? 11-12 years of age
The max canine root completes at? 13-15 years of age.
The crown of the max canine? Has the connotation of personality
The incisal margin of the max canine? Occupies 1/3 to 1/2 of the crown height.
The lingual anatomy of the max canine? Is more pronounced.
The labiolingual diameter of the max canine? Is greater cervically.
How many cusp ridges does the max canine have? 2 cusp ridges.
Is the Distal or Mesial cusp ridge greater in the max canine of the labial view? The distal cusp ridge is.
The mesial crest of curvature of the max canine labial view is at? The junction of the middle and incisal 1/3.
The distal crest of curvature of the max canine labial view is at? The middle 1/3 and has a large bulge.
The distal of the max canine in labial view is? Has a much stronger convexity
The root of the max canine is? Long, conical, and has a distal inclination.
Are imbrication lines possible in the max canine? Yes they are possible as in the central.
The Mesial Marginal Ridge and the Distal Marginal Ridge in the caninc on the lingual view are? Very prominent
The lingual ridge of the max canine of the lingual view... Extends from cusp to cingulum.
The cingulum of the max canine of the lingual view is? Very Prominent.
The crest of curvature labial outline of the max canine in the mesial view is at the? Cervical 1/3
The crest of curvature lingual outling of the max canine in the mesial view is at the? Cervical 2/3, is convex and incisal 1/3
The root of the max canine at mesial view is? Greater labiolingual dimension
The CEJ of the max canine at the mesial view has? Greater curvature on the mesial.
The root of the max canine at the distal view has? A deeper root concavity
The mand canine erupts? At 9-10 years of age
The mand canine root completes? At 11-13 years of age
The mand canine cusp is? Not as pronounced
The Mesial Marginal Ridge and the Distal Marginal Ridge o fhte mand canine has? Less convergence
the lingual anatomy of the mand canine is? Less prominent
The contacts of the mand canine are? More incisally placed.
The mesial contacts of the mand canine are at the? Incisal 1/3
The distal contacts of the mand canine are ate the? Junction of the incisal and middle 1/3
Which cusp ridge of the mand canine is greater? The Distal Cusp Ridge is.
The mand canine root is? Pointed
The CEJ of the mand canine in the labial view has? A slight arc.
The CEJ of the mand canine of the lingual view is? Off set to the distal and has a less curve than in the labial view.
The cusp tip of the mand canine in the mesial view is? Lingual to the long axis
The labial outline of the mand canine in the mesial view is? Convex
The lingual outling of the mand canine in the mesial view is? Flat to concave
The CEJ of the mand canine in the mesial view is? Getting flat
The contact of the amnd canine at distal view is? More cervical than mesial
the CEJ of the mand canine at distal view has? A less curvature
The root of the mand canine at the distal view has? A deeper groove than mesial.
The labial surface of the mand canine at the incisal view has... Grooves that are lesser or absent and is toward the mesial
The crown of the mand canine at incisal view is? Off set to the distal
The variation of the mand canine It is possible that the root can bifurcate at the apical 1/3
What teeth are the crowns and roots shorter than on the canines? The premolars
How many cusps does the premolars have? 2 cusps
Is the crown wider buccolingually or mesiodistal on the premolar? Buccolingually
What are the max first premolars? #5 and #12
The 1st max premolars erupt at? 10-11 years of age
The roots of the 1st max premolars are completed at? 12-13 years of age
Where are the cusps of the 1st max premolars located at? The Buccal and Lingual and the Buccal cusp is larger than the Lingual cusp by 1mm.
The 1st max premolars have how many roots? Usually 2 roots.
What is the function of the 1st max premolars? Grinding
What is the tooth that is most commonly extracted for ortho? 1st max premolar
The max 1st premolar mesial contact is? In the middle 1/3
The max 1st premolar distal contact is? In the middle 1/3 but is more occlusal than the mesial contact.
The 1st max premolar cusp is? Set distal and the mesial cusp ridge is greater than the distal cusp ridge.
The CEJ of the max 1st premolar on the buccal view is? Slightly curved
The root of the max 1st premolar in buccal view is? The lingual root has a distal inclination and the buccal root has a lingual inclination
The max 1st premolar lingual cusp in the lingual view has? A les Mesial Distal dimension
The max 1st premolar CEJ in lingual view is? Nearly straight
The roots of the max 1st premolar in lingual view are? The lingual apex is more blunt than the buccal apex.
The cusps in the max 1st premolar in the mesial view are? The buccal cusp is greater than the lingual cusp
The CEJ of the max 1st premolar in the mesial view is? Irregular
Does the max 1st premolar in mesial view have a root concavity or is the root convex? It has a mesial proximal root CONCAVITY and is ideal for dcalculus formation.
The marginal groove of the max 1st premolar in mesial view.... Extends over the Mesial Marginal Ridge
Does the max 1st premolar in the distal view have a proximal concavity? NO
Does the max 1st premoalr in the distal view have a marginal groove? NO
The central developmental groove in the max 1st premolar in occlusial view is... Longer than in the 2nd max premolar
What numbers are the max 2nd premolars? #4 and #13
The max 2nd premolar erupts at? 10-12 years of age
The max 2nd premolar roots are completed at? 12-14 years of age
Is the 2nd premolar smaller or larger than the 1st premolar? Smaller
The buccal cusp of the max 2nd premolar in buccal view is? Shorter than on the 1st premolar
The cusp tip of the max 2nd premolar is? Set mesially and the distal cusp ridge is greater than the mesial cusp ridge
The mesial contact of the max 2nd premolar is? At the junction of the middle and occlusal 1/3
The distal contact of the max 2nd premolar is? At the middle 1/3
The max 2nd premolar has how many roots? 1 root
The root of the max 2nd premolar at the lingual view has a? Distal inclination
The cusp height of the max 2nd premolar are? Nearly equal
Does the max 2nd premolar have mesial marginal grooves? NO
Does the max 2nd premolar have a mesial concavity? NO
The CEJ of the max 2nd premolar in mesial view is? Pretty much FLAT
The crest of curvature in the max 2nd premolar at distal view is? Usually in the cervical 1/3
The central developmental groove of the max 2nd premolar is? Much shorter than the 1st max premolar
The max 2nd premolar in the occlusial view has how many grooves? It has many occlusal grooves
Created by: Chey Chey