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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. Occlusal guard =






2. Difference between primary and secondary occ trauma






3. Measurement of horizontal overlap w/ probe






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






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






6. Tongue thrusting; thumb sucking - pacifiers






7. 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






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






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






10. Maximum touching of max and mand






11. Below occlusal plane






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






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






14. Maxillary overlap mandibular; whole arch






15. Mandible moves to the right or left






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






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






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






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






20. Introduced the concept of codestruction






21. Vertical






22. Incisal 3rd






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






24. Horizontal distance of anterior teeth in crossbite






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






26. #10 & #23






27. 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






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






29. During protrusive occ - ______ is considered undesirable






30. 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






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






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






33. Prognathic profile; buccal groove of mand. 1st molar-mesial to mb cusp of max. 1st molar; distal of mand. canine mesial to mesial of max canine; tendency toward class III






34. Class III (mal)occlusion of permanent teeth






35. Laterally






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






37. ____ is not a sign of occl trauma






38. Relationship of the arches bone to bone;






39. Lateral mvmt results in contacct of all posterior teeth






40. #7 - 26 - 27






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






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






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






44. Vibrational mvmt of a tooth under occ function






45. 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






46. Functional occlusion






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






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






49. Rotated or twisted; rotated mesial or distal






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







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