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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. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus






2. Tooth extracted






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






4. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________






5. Maximal intercuspation or contact of the max and mand teeth






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






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






8. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite






9. Most common cause is when the maxilla does not grow in proportion to the mandible






10. Spaces between two teeth






11. Maxillary - Mandibular - Facial






12. Introduced the concept of codestruction






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






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






15. 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






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






17. Abnormal contacts; occlusal habits - and neuroses






18. Anterior; no horizontal overlap






19. Maxillary incisors are are lingual to mandibular incisors






20. #10 & #23






21. Measurement of horizontal overlap w/ probe






22. Tongue thrust or thumb sucking can cause






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






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






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






26. Above occlusal plane






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






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






29. Cervical 3rd






30. Primary teeth set ___________________ for permanent






31. Guidance for protrusive occ should be on the






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






33. Vertical






34. 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






35. Functional occlusion






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






37. Starts closer to premolars






38. Both sides






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






40. ____ is not a sign of occl trauma






41. Vertical overlapping






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






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






44. Class III (mal)occlusion of permanent teeth






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






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






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






48. Mandibular molars and maxillary molars are even






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






50. Maxillary overlap mandibular; whole arch







Sorry!:) No result found.

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