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Dentistry Occlusion

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Radiographically - the PDL space is wider at the coronal third of the root






2. Usually indicative of moderate to sever perio and secondary occ trauma






3. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth






4. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth






5. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt






6. Both sides






7. Occlusal guard =






8. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position






9. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________






10. Maxillary-between canines and laterals - mandibular-between canines and 1st molars






11. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion






12. Symptom free dentition that 'survives' or 'adapts' to a deviated occl






13. After periodontal sugery - mobility will ________






14. Tongue thrusting; thumb sucking - pacifiers






15. II (mal)occlusion






16. Curved alignment of the occlusal plane when looking from a posterior view(right to left)






17. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)






18. Tooth positioned more facial






19. Mvmt of the mandible in a direction anterior to centric occ






20. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)






21. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors






22. Teeth are misaligned when biting together






23. Maximal intercuspation or contact of the max and mand teeth






24. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt






25. Starts closer to the posterior of the 1st molar






26. Retrognathic profile -buccal groove of mand. 1st molar-distal to mb cusp of 1st max.molar -distal of mand canine distal to mesial of max canine - tendency towards class II






27. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift






28. #7 - 26 - 27






29. ____ is not a sign of occl trauma






30. The side to which the mandible moves(chewing side)






31. Patient forces teeth together in centric occlusion on one side to get a more functional bite and has a crossbite on the other side(the midline of the maxillary anterior teeth does not line up with the midlineof the mandible






32. Primary teeth set ___________________ for permanent






33. A continuation of the spee of to extend through the condyle






34. Class III (mal)occlusion of permanent teeth






35. Maxillary anterior teeth stick out labially from tongue thrusting






36. Habitual - acquired - convenience - intercuspal & static






37. Lateral mvmt results in contact btwn the max and mand canines






38. Posterior; no horizontal overlap






39. Cervical 3rd






40. When one tooth hits before all others when closing teeth together(may cause TMJ problems)






41. Retrognathic profile; buccal groove of mand 1st molar-distal to mb cusp of max 1st; distal of mand. canine distal to mesial to max caniine - tendency toward class II






42. During selective grinding - occlusion should be adjusted In what four relationships






43. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces






44. Horizontal






45. The patient is constantly tightening the lower lip against the lower anterior teeth causing the the mandibular teeth to be pushed back into the mouth by this overdeveloped lower lip






46. Curve spee & wilson - 3-d - not proven






47. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite






48. Anterior; no horizontal overlap






49. Maximum interlocking of cusp






50. Maxillary - Mandibular - Facial







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