Test your basic knowledge |

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






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






3. Horizontal






4. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)






5. Functional occlusion






6. Above occlusal plane






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






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






9. Normal contacts between max. and mand. teeth; momentary contacts






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






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






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






13. Vibrational mvmt of a tooth under occ function






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






15. Tooth positioned more lingual






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






17. Occlusal guard =






18. 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






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






20. Measurement of horizontal overlap w/ probe






21. 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






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






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






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






25. Spaces between two teeth






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






27. Tooth extracted






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






29. Maxillary incisors are are lingual to mandibular incisors






30. Maxillary - Mandibular - Facial






31. Both sides






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






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






34. #7 - 26 - 27






35. During protrusive occ - ______ is considered undesirable






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






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






38. Mandible moves to the right or left






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






40. Maximum touching of max and mand






41. Max. incisors lingual to mand. incisors; incorrect horizontal overlap






42. The way you normally bite your teeth together when not chewing






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






44. Difference between primary and secondary occ trauma






45. Mesognathic profile






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






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






48. 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






49. Relationship of the arches bone to bone;






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