Dental Anatomy Final

  1. what is it called when two adjacent tooth germs unite to form a large single tooth with multiple roots
    fusion
  2. what is it called when there is a union of root structure of two or more teeth through cementum only
    concrescence
  3. what is it called when a single tooth germ tries to unsuccessfully divide resulting in a large single rooted tooth
    gemination
  4. t/f gemination is when two adjacent tooth germs unite to form a large single tooth with multiple roots
    false-fusion
  5. what are bony growths on the lingual aspect of the mandible
    mandibular tori
  6. what are bony growths on the midline of the hard palate?
    palatal tori
  7. what are bony growths usually on the facial surface of the alveolar process of the maxillary arch?
    exostoses
  8. where is exostoses usually seen?
    facial surface of the alveolar process of the maxillary arch
  9. what is an alveolus?
    socket of the tooth
  10. what is the socket of the tooth called?
    alveolus
  11. what occurs in response to chemical trauma such as heat from smoking or hot fluids and is reversible if trauma is removed?
    hyperkeratosis
  12. what is hard tooth tissue loss caused by tooth to tooth contact during mastication or parafunctional habits?
    attrition
  13. what is hard tooth tissue loss through chemical means (acid)
    erosion
  14. what is it called when the roots show an angular distortion?
    dilaceration
  15. what is hard tooth tissue loss caused by friction from toothbrushing or toothpaste (or bobbypins?)
    abrasion
  16. what is a developmental disturbance of the permanent incisors caused by syphilis that leaves the teeth screwdriver shaped
    hutchinson's incisors
  17. what causes hutchinson's incisors
    syphilis
  18. what is defined as the greatest elevation of the tooth either incisocervically or occlusocervically on a specific surface of the crown?
    crest of cuvature/height of curvature
  19. what is an accessory cusp on the cingulum of certain anterior teeth or occlusal tables of permanent molars?
    tubercle
  20. what is defined as one or more major elevations on the masticatory surface of the canine and posterior teeth?
    cusp
  21. what is defined as the shallow, wide depression on the lingual surface of anterior teeth or on the occlusal table of posterior teeth?
    fossa
  22. what is the complete displacement of the tooth from the socket because of extensive trauma to the area
    avulsion
  23. what is an open contact that can exist between the permanent maxillary central incisors
    diastema
  24. where is a diastema seen?
    between the permanent maxillary incisors
  25. what are rounded enamel extensions on the incisal ridge from the labial or lingual views of certain anterior teeth?
    mamelons
  26. what are the spaces between certain primary teeth that allow for future permanent teeth (max canine and lateral and man canine and 1st premolar)
    primate spaces
  27. what is the space created when the primary molars are shed to make room for much smaller mesiodistal permanent premolars
    leeway space
  28. what is the space between the teeth that is apical to the contact area?
    cervical embrasure
  29. what fills the space of the cervical embrasure normally?
    gingival papilla
  30. what is the space between the teeth that are occlusal to the contact area?
    dental embrasure
  31. t/f the cervical embrasure is the space between the teeth that is occlusal to the contact area
    false-dental embrasure
  32. what are fordyce's granules
    misplaced sebaceous glands
  33. what are fordyce's grandules associated with
    hair follicles
  34. what is it called when the teeth naturally more towad the midline over time?
    mesial drift
  35. what is the imaginary plane placed on the masticatory surface of each dental arch? the max arch is convex and the man arch is concave, producing the anteropeosterior curvature?
    curve of spee
  36. what is the concave curve that results when a frontal section is taken through each set of max and man molars?
    curve of wilson
  37. what is the process that occurs in a cell in which the nucleus moves away from the center to a position farthest away from the basement membrane
    repolarization
Author
sweetpea281
ID
55383
Card Set
Dental Anatomy Final
Description
Definitions
Updated