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Dentistry Occlusion

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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. Individual teeth from each arch can be involved in ________________ malocclusion






2. Tooth positioned more facial






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






4. Maxillary anterior teeth stick out labially from tongue thrusting






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






6. 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






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






8. 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






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






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






11. Tongue thrusting; thumb sucking - pacifiers






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






13. Both sides






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






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






16. Below occlusal plane






17. 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






18. 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






19. Laterally






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






21. During protrusive occ - ______ is considered undesirable






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






23. Rotated or twisted; rotated mesial or distal






24. Overlap of anterior teeth






25. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt






26. Abnormal contacts; occlusal habits - and neuroses






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






28. Maxillary - Mandibular - Facial






29. 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






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






31. Vertical overlapping






32. Prognathic profile






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






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






35. Posterior; no horizontal overlap






36. Buck teeth are common and are considered






37. ____ is not a sign of occl trauma






38. Incisal 3rd






39. Class III (mal)occlusion of permanent teeth






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






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






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






43. Introduced the concept of codestruction






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






45. Horizontal distance of anterior teeth in crossbite






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






47. Cusps of maxillary teeth directly over cusps of mandibular teeth






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






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






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







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