Test your basic knowledge |

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






2. Mesially - Labially






3. #7 - 26 - 27






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






5. Later






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






7. Maxillary overlap mandibular; whole arch






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






9. Maximum interlocking of cusp






10. During protrusive occ - ______ is considered undesirable






11. Tooth positioned more lingual






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






13. Introduced the concept of codestruction






14. Slight buccal inclination of crown - lingual inclination of root






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






16. What is not affected by occ trauma






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






18. Occlusal guard =






19. 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






20. Crowns tipped lingually - roots tipped laterally






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






22. Incisal 3rd






23. Both sides






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






25. 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






26. Horizontal






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






28. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip






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






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






31. Starts closer to premolars






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






33. Rotated or twisted; rotated mesial or distal






34. Difference between primary and secondary occ trauma






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






36. Anterior or posterior; bilateral or unitlateral - anterior more common






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






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






39. Habitual - acquired - convenience - intercuspal & static






40. Relationship of the arches bone to bone;






41. Lateral mvmt results in contacct of all posterior teeth






42. 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






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






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






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






46. Tooth positioned more facial






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






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






49. When no teeth are contacting on this side






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