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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. Laterally






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






3. II (mal)occlusion






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






5. Starts closer to premolars






6. Mandible moves to the right or left






7. #10 & #23






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






9. Maxillary - Mandibular - Facial






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






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






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






13. Vertical






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






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






16. Horizontal distance of anterior teeth in crossbite






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






18. Tooth positioned more facial






19. Selective grinding should always be completed after ______ has been controlled






20. Vertical overlapping






21. Excessive occ force with adequate bone support =






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






23. Buck teeth are common and are considered






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






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






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






27. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap






28. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars






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






30. When no teeth are contacting on this side






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






32. Maxillary overlap mandibular; whole arch






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






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






35. 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






36. Abnormal contacts; occlusal habits - and neuroses






37. Spaces between two teeth






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






39. Incisal 3rd






40. 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






41. Functional occlusion






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






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






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






45. Teeth are misaligned when biting together






46. Overlap of anterior teeth






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






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






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






50. Habitual - acquired - convenience - intercuspal & static







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