Resto final

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Author:
ashleesumilat
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289604
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Resto final
Updated:
2014-12-03 15:01:00
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restorative dentistry tooth morphology teeth
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All teeth
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  1. Period of mixed dentition
    Ages 6-12
  2. What is the last succedaneous tooth to erupt?
    Max. canines
  3. What teeth succeed primary molars?
    Permanent premolars
  4. Only teeth that are NOT succadaneous
    permanent molars
  5. First succedaneous tooth to erupt?
    Mand. central
  6. What are the only succedaneous teeth that have a different name than their deciduous counterpart?
    Premolars
  7. Root completion is generally how many years after eruption?
    2-3 years
  8. # of lobes in anterior teeth
    • 3 facial
    • 1 lingual
  9. # of lobes in premolars
    • 3 facial
    • 1-2 lingual
  10. Geometric form of facial/labial surfaces for teeth
    trapezoidal
  11. Geometric form of mesial/distal surfaces for
    1) anteriors
    2) max posteriors
    3) mand. posteriors
    • 1) triangular
    • 2) trapezoidal
    • 3) rhomboidal
  12. Functions of contact areas
    • - Aids in stabilizing arch form
    • - Prevents food impaction
    • - Aids food flow pattern
    • - Become larger over time
  13. Distal contact is usually more cervical than mesial except...
    • - mandibular 1st premolars
    • - mandibular centrals
  14. Characteristics of embrasures
    • - Incisal (occlusal): increase in size from anterior --> posterior
    • - Cervical (gingival): decrease in size from anterior --> posterior
    • - Anteriors: labial = lingual
    • - Posteriors: lingual > labials
  15. Facial + Lingual HOC
    • 1. Facially: cervical third for ALL teeth
    • 2. Lingually:
    • - Anteriors: cervical third
    • - Posteriors: middle third (exception: occlusal third for mand. 2nd premolar)
  16. Crown is unlike any other primary/permanent tooth
    • (P) Maxillary First Molar
    • (P) Mandibular First Molar
  17. Primary canine where M cusp ridge is longer and flatter
    (P) Maxillary Canine
  18. Primary canine where D cusp ridge is longer
    (P) Mandibular canine
  19. Primary tooth where IC = MD = FL*
    (P) Maxillary Canine
  20. Mesial outline of crown is straight*
    (P) Mandibular M1
  21. Mesial HOC more cervical than distal*
    (P) Mandibular M1
  22. Prominent mesial transverse ridge*
    (P) Mandibular M1
  23. No distal pit*
    (P) Mandibular M1
  24. Prominent MB bulge
    • (P) Maxillary M1 (MF bulge)
    • (P) Mandibular M1
  25. Distal side of occlusal table > mesial side*
    (P) Mandibular M1
  26. Occlusal table is narrowest of all molars
    (P) Mandibular M1
  27. All three facial cusps are more similar in size
    (P) Mandibular 2nd PM
  28. Initial calcification at birth (2)*
    • Maxillary M1
    • Mandibular M1
  29. Largest buccal surface of any tooth
    Mandibular M1
  30. More symmetrical than first molar*
    Mandibular M2
  31. Eruption sequence of deciduous teeth
    • 1. Centrals
    • 2. Laterals
    • 3. First Molars
    • 4. Canines
    • 5. Second Molars
  32. Mixed dentition period is ages ___ - ____
    6 - 12
  33. Root fused to bone; disrupts resorption and exfoliation; typically result of no succeedaneous tooth forming
    Ankylosis
  34. Shortest OC dimension of any tooth*
    Maxillary M3
  35. Only maxillary tooth that has a single opposing tooth*
    Maxillary M3
  36. CAN have 3 pulp canals
    Maxillary M2
  37. MB root tip in line with buccal groove*
    Maxillary M2
  38. Oblique ridge is around same height as marginal ridges*
    Maxillary M1
  39. Largest F-L dimension of any tooth*
    Maxillary M1
  40. MB root tip's apex in line with cusp tip*
    Maxillary M1
  41. Occlusal table is more symmetrical and simple than first molar*
    Mandibular M2
  42. Only anterior tooth where MD crown width is greater than IC crown height*
    (P) Maxillary Central
  43. Triangular x.s.
    (P) Maxillary Central
  44. Root divergence is greatest of all primary molars*
    (P) Maxillary M2
  45. Primary teeth enamel rods are perpendicular to ________*
    DEJ
  46. Incremental growth lines in enamel; "tree ring"-like; formed by hypomineralized bands
    Lines of Retzius
  47. Wave-like surfacecharacterization of Lines of Retzius
    Perikymata
  48. Alternating dark and light bands of enamel rods
    Hunter Schreger bands
  49. Dark Hunter Schreger bands
    Diazones
  50. Light Hunter Schreger bands
    Parazones
  51. Main component of tooth structure
    Dentin
  52. Dentin's elastic property supports what?
    Enamel's brittleness
  53. // Fluoride presence is 2-3x of that found in enamel
    *Fact
  54. Where are odontoblasts and their processes located?
    Within dentinal tubules
  55. What types of dentin make up the dentinal matrix? // Which one is more mineralized?
    Intertubular + Peritubular // Peri
  56. Incremental lines of growth in dentin
    Lines of Owen
  57. Demarcation between prenatal and postnatal dentin (in primary teeth and cusps of the permanent first molars)
    Neonatal line
  58. Type of dentin formed after initial formation of tooth
    Primary dentin
  59. Type of dentin that is next to pulp--lifelong
    Secondary dentin / Physiologic secondary dentin
  60. Type of dentin that is produced in reaction to caries
    Tertiary dentin / Reparative secondary dentin
  61. Type of dentin in which tubules are obliterated by minerals
    Sclerotic dentin
  62. Type of dentin in which tubules have dead odontoblast processes
    Dead tracts
  63. Part of tooth which has the function to protect root dentin
    Cementum
  64. Attaches cementum to alveolus
    Sharpey's fibers
  65. Type of cementum in the cervical 2/3 of root, mainly calcified substance
    Acellular cementum
  66. Type of cementum in the apical 1/3 of root, mainly cementocytes, secondary cementum (forms as a result of trauma or pathology)
    Cellular cementum
  67. Bonding to _____: Acid etch removes mineral components leaving collagen matrix --> Resin primer infuses between collagen matrix and into dentinal tubules (collagen/resin hybrid layer)
    Bonding to dentin
  68. // Pulp chamber floor is just apical to/at CE line
    *Fact
  69. Functions of pulp tissue
    • 1. Formation of dentin by odontoblasts
    • 2. Nutrition
    • 3. Sensation via nerve tissue
    • 4. Defense and protection
  70. Cell-free zone in pulp
    Zone of Weil
  71. Types of cells in cell-rich zone of pulp
    fibroblasts, lymphocytes, macrophages
  72. Central pulp region is full of...
    b.v., lymph vessels, nerve fibers
  73. maxillary central: # of pulp horns / # of canals
    • 3 / 1
    • *pulp chamber is wider MD
  74. maxillary lateral: # of pulp horns / # of canals
    • 2 or none / 1
    • *pulp chamber is wider MD
  75. mandibular incisor: # of pulp horns / # of canals
    0 / 1, but 1-2% show 2
  76. // maxillary canine: no pulp horn; has greatest FL dimension of anteriors*
    *fact
  77. In a maxillary PM1, which pulp horn is larger?
    Buccal
  78. In a maxillary PM1, which canal has a larger orifice/opening?
    Lingual
  79. Diameter of lingual canal wider than buccal canal*
    Maxillary 1st PM
  80. Buccal canal longer than lingual canal*
    Maxillary 1st PM
  81. mandibular 1st PM: # of pulp horns (which one is larger?) / # of canals
    2 (buccal is larger, like in maxillary) /1 (though occassionally 2)
  82. mandibular 2nd PM: # of pulp horns / # of canals
    2-3 / 1 (occasionally 2)
  83. maxillary M1: # of pulp horns / # of canals
    4 / 3-4

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