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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. Max. incisors lingual to mand. incisors; incorrect horizontal overlap






2. II (mal)occlusion






3. 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






4. Functional occlusion






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






6. Mandibular molars more distal than maxillary molars






7. During a left working movement - the right side is known as the






8. When no teeth are contacting on this side






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






10. #7 - 26 - 27






11. After periodontal sugery - mobility will ________






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






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






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






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






16. Maxillary incisors are are lingual to mandibular incisors






17. Above occlusal plane






18. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition






19. Crowns tipped lingually - roots tipped laterally






20. During protrusive occ - ______ is considered undesirable






21. Occlusal guard =






22. Anterior; no horizontal overlap






23. Cervical 3rd






24. Later






25. Relationship of the teeth in which the incisal ridges of the maxillary anterior teeth extend below the incisal edges of the mandibular anterior teeth when the teeth are placed in a centric occlusal relationship






26. Horizontal






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






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






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






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






31. 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






32. #10 & #23






33. Most common cause is when the maxilla does not grow in proportion to the mandible






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






35. Starts closer to premolars






36. Vibrational mvmt of a tooth under occ function






37. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made






38. Tongue thrusting; thumb sucking - pacifiers






39. Retrognathic profile






40. ____ is not a sign of occl trauma






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






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






43. Difference between primary and secondary occ trauma






44. Lateral mvmt results in contacct of all posterior teeth






45. Laterally






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






47. 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






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






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






50. Middle 3rd







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