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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. 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






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






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






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






5. Teeth are misaligned when biting together






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






7. Retrognathic profile






8. Occlusal guard =






9. Maxillary overlap mandibular; whole arch






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






11. Curved alignment of the occlusal plane when looking from a posterior view(right to left)






12. Tongue thrusting; thumb sucking - pacifiers






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






14. Tooth positioned more lingual






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






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






17. Overlap of anterior teeth






18. Buck teeth are common and are considered






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






20. What is not affected by occ trauma






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






22. Horizontal






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






24. Mandibular molars and maxillary molars are even






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






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






27. Tooth extracted






28. Excessive occ force with adequate bone support =






29. Mandible moves to the right or left






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






31. Maximum touching of max and mand






32. Mandibular molars more distal than maxillary molars






33. 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






34. Starts closer to premolars






35. Class III (mal)occlusion of permanent teeth






36. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)






37. Posterior; no horizontal overlap






38. Tongue thrust or thumb sucking can cause






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






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






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






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






43. Habitual - acquired - convenience - intercuspal & static






44. During protrusive occ - ______ is considered undesirable






45. Vertical overlapping






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






47. Rotated or twisted; rotated mesial or distal






48. Abnormal contacts; occlusal habits - and neuroses






49. II (mal)occlusion






50. Below occlusal plane







Sorry!:) No result found.

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