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






2. Patient forces teeth together in centric occlusion on one side to get a more functional bite and has a crossbite on the other side(the midline of the maxillary anterior teeth does not line up with the midlineof the mandible






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






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






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






6. During protrusive occ - ______ is considered undesirable






7. #10 & #23






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






9. Relationship of teeth in which the incisal ridges or buccal cusp ridges of the maxillary anterior teeth extend facially to the incisal ridges/cusps of the mandibular teeth when the teeth are in centric occlusion relationship






10. Relationship of the arches bone to bone;






11. Retrognathic profile; buccal groove of mand 1st molar-distal to mb cusp of max 1st; distal of mand. canine distal to mesial to max caniine - tendency toward class II






12. Retrognathic profile






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






14. Survival of the dentition despite its deviation from a preconceived hypothetical normal






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






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






17. Mandibular molars more mesial than maxillary molars (most children)






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






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






20. Starts closer to premolars






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






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






23. The way you normally bite your teeth together when not chewing






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






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






26. Overlap of anterior teeth






27. Rotated or twisted; rotated mesial or distal






28. Mandibular molars and maxillary molars are even






29. ____ is not a sign of occl trauma






30. Maximum touching of max and mand






31. Laterally






32. Tooth extracted






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






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






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






36. Maxillary - Mandibular - Facial






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






38. Class III (mal)occlusion of permanent teeth






39. Vertical






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






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






42. 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






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






44. Crowns tipped lingually - roots tipped laterally






45. Teeth are misaligned when biting together






46. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion






47. Horizontal distance of anterior teeth in crossbite






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






49. Posterior; no horizontal overlap






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







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