Tooth Morphology

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Author:
Padomay
ID:
181086
Filename:
Tooth Morphology
Updated:
2012-11-01 09:11:12
Tags:
tooth morphology
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Description:
All about teeth
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  1. Mandibular Central incisor erupts
    • 6-7 years
    • Root development 2/3 - complete 2 years post eruption
  2. Maxillary Central Incisor erupts
    7-8 years

    Root development 2/3 - complete 2 years post eruption
  3. What are the labial definitions of a Central Maxillary Incisor?
    • Mesial Margin longer and straighter than Distal
    • Mesial angle sharper
    • 3 mamelons
    • Cervical margin crests toward mesial
  4. What are the palatal definitions of a Central Maxillary Incisor?
    • Crown is concave
    • Mesial and Distal have distinct ridges
    • Cingulum near cervical margin (may be divided)
  5. What are the Mesial and Distal definitions of a Central Maxillary Incisor?
    • Cervical Curvature on CEJ is greater on Mesial aspect
    • Distal less exhaggerated
  6. What are the labial definitions of a Central Mandibular Incisor?
    • crown 2x longer than mesiodistal aspect
    • Mesioincisal angle less than distoincisal angle
    • Rounded CEJ
    • Mesial angle sharper than distal
  7. What are the lingual definitions of a Central Mandibular Incisor?
    • Smooth
    • Slightly concave from incisal to cervix
    • Cingulum less defined than on Maxillary teeth
  8. What are the Mesial and Distal definitions of a Central Mandibular Incisor?
    • Incisal edge has lingual inclination
    • Cervical line may be same on both sides
    • Mesial will be greater if so
  9. What are the root definitions of a Central Mandibular Incisor?
    • Flattened on mesial and distal aspect
    • Longitudinal grooves on mesial and distal (deeper mesial)
  10. Mandibular Lateral incisor erupts
    7-8 years
  11. Maxillary Lateral incisor erupts
    8-9
  12. What are the Labial definitions of a Lateral Mandibular Incisor?
    • Mesioincisal and distoincisal angles are more rounded than 1sts
    • Labial surface more convex than 1sts
    • Incisal line slopes more on mesial aspect (than central)
    • Mesioincisal angle also more square
  13. What are the Palatal definitions of a Lateral Mandibular Incisor?
    • Mesial and distal margins are more pronounced
    • Cingulum more pronounced
    • Clinical consideration - check thoroughly
  14. What are the Mesial and Distal definitions of a Lateral Mandibular Incisor?
    • Mesial shows greater curvature of CEJ
    • Distal surface quite rounded
  15. What are the Root definitions of a Lateral Mandibular Incisor?
    • Same length as central, may be longer
    • Distally inclined
    • Narrow/flattened mesiodistally
    • Apex more pointed than 1sts
    • may have 3 pulp horns
  16. How do you identify a Mandibular Lateral Incisor?
    • Resembles mandibular central but is larger
    • Labial aspect more rounded mesially and distally
    • Labial development grooves are deeper
    • Apex of root has a labial and distal inclination

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