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. Occlusal guard =






2. 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






3. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion






4. What is not affected by occ trauma






5. Introduced the concept of codestruction






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






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






8. Relationship of the teeth in which the incisal ridges of the maxillary anterior teeth extend below the incisal edges of the mandibular anterior teeth when the teeth are placed in a centric occlusal relationship






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






10. Lateral mvmt results in contacct of all posterior teeth






11. After periodontal sugery - mobility will ________






12. Vertical






13. Prognathic profile






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






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






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






17. Habitual - acquired - convenience - intercuspal & static






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






19. 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






20. Difference between primary and secondary occ trauma






21. When no teeth are contacting on this side






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






23. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion






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






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






26. Incisal 3rd






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






28. Both sides






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






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






31. Functional occlusion






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






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






34. Buck teeth are common and are considered






35. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts






36. Anterior; no horizontal overlap






37. #7 - 26 - 27






38. Horizontal






39. Tongue thrust or thumb sucking can cause






40. Mesognathic profile






41. Primary teeth set ___________________ for permanent






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






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






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






45. Relationship of the arches bone to bone;






46. Posterior; no horizontal overlap






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






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






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






50. Later