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






2. Difference between primary and secondary occ trauma






3. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift






4. #7 - 26 - 27






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






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






7. Introduced the concept of codestruction






8. II (mal)occlusion






9. Prognathic profile






10. 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






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






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






13. Rotated or twisted; rotated mesial or distal






14. Above occlusal plane






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






16. Teeth are misaligned when biting together






17. Vertical overlapping






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






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






20. Vibrational mvmt of a tooth under occ function






21. Laterally






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






23. Below occlusal plane






24. Maxillary incisors are are lingual to mandibular incisors






25. Starts around the mesial of the 1st molar






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






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






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






29. Max canine occludes with mand. canine and mand. 1st premolar.






30. Retrognathic profile -buccal groove of mand. 1st molar-distal to mb cusp of 1st max.molar -distal of mand canine distal to mesial of max canine - tendency towards class II






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






32. Vertical






33. Tongue thrust or thumb sucking can cause






34. Symptom free dentition that 'survives' or 'adapts' to a deviated occl






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






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






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






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






39. Individual teeth from each arch can be involved in ________________ malocclusion






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






41. 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






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






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






44. Spaces between two teeth






45. Posterior; no horizontal overlap






46. 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






47. ____ is not a sign of occl trauma






48. Starts closer to the posterior of the 1st molar






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






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







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