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Dentistry Occlusion

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. Primary teeth set ___________________ for permanent






2. Malocclusion cause excessive incisal or occlusal wear(attrition); teeth continue to erupt in order to occlude with teeth in the opposite arch & roots become exposed






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






4. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone






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






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






7. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus






8. Cervical 3rd






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






10. Mesially - Labially






11. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth






12. Radiographically - the PDL space is wider at the coronal third of the root






13. Class III (mal)occlusion of permanent teeth






14. Occlusal guard =






15. Mandibular molars more distal than maxillary molars






16. Above occlusal plane






17. During protrusive occ - ______ is considered undesirable






18. Muscles that work the jaw; may become sore due to occ trauma






19. Individual teeth from each arch can be involved in ________________ malocclusion






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






21. Tooth positioned more facial






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






23. Mesognathic profile






24. Tongue thrust or thumb sucking can cause






25. Excessive deposition of cementum around the apex - due to excessive occlusal forces






26. Starts closer to premolars






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






28. Anterior; no horizontal overlap






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






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






31. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth






32. 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






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






34. Tongue thrusting; thumb sucking - pacifiers






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






36. Vibrational mvmt of a tooth under occ function






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






38. Incisal 3rd






39. Crowns tipped lingually - roots tipped laterally






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






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






42. Vertical overlapping






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






44. Teeth are misaligned when biting together






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






46. Rotated or twisted; rotated mesial or distal






47. Starts around the mesial of the 1st molar






48. Associated with performance; all contacts during function of the oral cavity






49. Max canine occludes with mand. canine and mand. 1st premolar.






50. Contact between maxillary incisors does not line up with contact of mandibular incisors







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