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26 Cards in this Set
- Front
- Back
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How many canals are in the Maxillary Central Incisor?
Where would an abcess be located? |
1 canal 98-100%
on the facial |
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Shapes of Pulp Cavities at the CEJ for Max. central, lateral, canine, 1st and 2nd PM, and 1st M
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triangular, oval, kidney,
both PM's are ribbon or figure eight, kidney |
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How many canals are in the Max. Lateral?
Where would an abcess be located? |
1 canal 98-100%
curved root on the palatal |
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How many canals are in the Max. Canine?
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1 canal 98-100%
longest root - sometimes too long for instruments |
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How many canals and roots are most common in the Max. 1st premolar?
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2 canals and 2 roots
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How many canals are most common in the Max. 2nd premolar?
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Most common is 1 canal, but sometimes 2 are present
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How many canals and roots are most common in the Max. 1st molar?
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3 roots and 4 canals 59%
-the MB and MLcanals sometimes have separate foramen19% 3 roots and 3 canals 41% |
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How many roots and canals does the Max. 2nd molar have?
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3 roots and 3 canals 60%
can have 2 roots and 2 canals |
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How many canals does the Mandibular Central Incisor have?
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1 canal most of the time
2 canals 30% some that join and some that are separate |
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Which lateral is most likely to have 2 canals?
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Mand. lateral incisor 45 %
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How many canals are most common in a Mand. Lateral?
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1 canal 56 %
2 canals 45% |
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How many canals are in a mand. canine?
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1 canal 70%
2 canals 30% |
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How many canals are in a mand. first premolar?
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1 canal 70%
2 canals 25% |
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How many canals are in a mand. 2nd premolar?
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1 canal 85%
2 canals 10% |
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How many roots and canals are most common in a Mand. 1st molar?
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2 roots 98%
Mesial root usually has 2 canals Distal root usually has 1 canal - 29% has 2 canals which would make the tooth have 4 canals |
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How many canals are found in a Mand. 2nd molar?
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3 canals 67%
2 canals 25% rarely has 4 |
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How does the size of the pulp cavity vary with age?
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It is larger when you are younger. As you age dentin continues to form since odontoblasts are left behind and more collagen becomes present
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What is the primary purpose of the pulp?
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to create dentin
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Which stage is the most critical in odontogenesis?
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Lamina
- initiation stage - eventually forms periosteum and ectomesenchyme |
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During which stage is odontogenesis do tooth forms begin?
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Bud stage goes to cap stage and tooth forms appear
these are morphogenesis stages (with the beg of bell stage) |
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What gives rise to the pulp and alveolar bone respectively?
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dental papilla - pulp
dental sac- bone |
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Most abundant cells of the pulp?
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fibroblasts
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How does the pulp communicate with the surrounding tissues?
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Through the apical foramen and accessory canals
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What cells in the pulp play an important role in immunosuveillance?
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dendritic cells
- they recognize antigens and present them to macrophages which engulf and present them to lymphocytes |
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What type of collagen fibers are in the pulp and dentin?
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Type I and III are in the pulp produced by fibroblasts
Type I is in dentin produced by odontoblasts |
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What are the most common abundant nerve fibers in the pulp?
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A delta fibers and C fibers
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