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Oral Anatomy Incisor
M/M C,L,Canine Incisor
| Question | Answer |
|---|---|
| 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 |
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