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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. Tooth positioned more facial






2. Maxillary - Mandibular - Facial






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






4. 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






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






6. Maxillary overlap mandibular; whole arch






7. Muscles that work the jaw; may become sore due to occ trauma






8. Maxillary incisors are are lingual to mandibular incisors






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






10. Curve of the occlusal plane; from anterior to posterior - increases with age






11. Below occlusal plane






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






13. Horizontal






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






15. II (mal)occlusion






16. Relationship of the arches bone to bone;






17. Prognathic profile






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






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






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






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






22. What is not affected by occ trauma






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






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






25. Maximum touching of max and mand






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






27. 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






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






29. Mb cusp of max 1st molar-buccal groove of mand 1st molar






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






31. Posterior; no horizontal overlap






32. Mandible moves to the right or left






33. Retrognathic profile






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






35. Tongue thrust or thumb sucking can cause






36. Incisal 3rd






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






38. Guidance for protrusive occ should be on the






39. 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






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






41. Tooth positioned more lingual






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






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






44. Mandibular molars and maxillary molars are even






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






46. When one tooth hits before all others when closing teeth together(may cause TMJ problems)






47. Permits healing of the attachment apparatus by holding a tooth in a totally fixed position; allows the PDL to become narrower and the mobility to be reduced






48. Habitual - acquired - convenience - intercuspal & static






49. Both sides






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







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