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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. Slight buccal inclination of crown - lingual inclination of root






2. Patients show evidence or signs and syptoms of occ disease






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






4. Cusps of maxillary teeth directly over cusps of mandibular teeth






5. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______






6. Middle 3rd






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






8. Mesognathic profile






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






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






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






12. After periodontal sugery - mobility will ________






13. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus






14. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together






15. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations






16. If the mandible moves to the left - the mvmt is known as a left working movement






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






18. Crowns tipped lingually - roots tipped laterally






19. Vertical overlapping






20. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract






21. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation






22. Both sides






23. When no teeth are contacting on this side






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






25. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact






26. Retrognathic profile






27. Mb cusp of max 1st molar-buccal groove of mand 1st molar






28. Need tooth to tooth contact on both working and non working sides to func effectively






29. Relationship of the teeth in opposite arches; static position






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






31. Excessive occ force with adequate bone support =






32. Widening of the PDL in areas under pressure results due to






33. What is not affected by occ trauma






34. Normal contacts between max. and mand. teeth; momentary contacts






35. The permanent molars erupt posterior to the primary teeth and push them all mesially






36. Does not result from brushing at all - but from traumatic lateral forces placed on the teeth as a result of a malocclusion or abnormal tongue activity. Root surface is exposed & can become carious






37. Tooth positioned more facial






38. Starts closer to premolars






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






40. During protrusive occ - ______ is considered undesirable






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






42. Maximum interlocking of cusp






43. Maxillary anterior teeth stick out labially from tongue thrusting






44. Introduced the concept of codestruction






45. Selective grinding should always be completed after ______ has been controlled






46. Permits healing of the attachment apparatus by holding a tooth in a totally fixed position; allows the PDL to become narrower and the mobility to be reduced






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






48. Functional occlusion






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






50. ____ is not a sign of occl trauma







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