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






2. When no teeth are contacting on this side






3. 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






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






5. Mesognathic profile






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






7. Incisal 3rd






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






9. Tooth positioned more lingual






10. Vertical






11. Mandibular molars and maxillary molars are even






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






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






14. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations






15. #10 & #23






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






17. 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






18. Mandibular molars more distal than maxillary molars






19. Overlap of anterior teeth






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






21. Class III (mal)occlusion of permanent teeth






22. Maximum touching of max and mand






23. Maxillary - Mandibular - Facial






24. Buck teeth are common and are considered






25. Above occlusal plane






26. Maxillary incisors are are lingual to mandibular incisors






27. During protrusive occ - ______ is considered undesirable






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






29. Starts closer to premolars






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






31. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt






32. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together






33. Vibrational mvmt of a tooth under occ function






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






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






36. Lateral mvmt results in contacct of all posterior teeth






37. Introduced the concept of codestruction






38. Tooth extracted






39. Tongue thrust or thumb sucking can cause






40. Abnormal contacts; occlusal habits - and neuroses






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






42. 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






43. 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






44. Tongue thrusting; thumb sucking - pacifiers






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






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






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






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






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






50. Middle 3rd