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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. Maximum interlocking of cusp






2. Class III (mal)occlusion of permanent teeth






3. Maxillary incisors are are lingual to mandibular incisors






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






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






6. 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






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






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






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






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






11. Incisal 3rd






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






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






14. Patient forces teeth together in centric occlusion on one side to get a more functional bite and has a crossbite on the other side(the midline of the maxillary anterior teeth does not line up with the midlineof the mandible






15. Primary teeth set ___________________ for permanent






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






17. Mandible moves to the right or left






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






19. Posterior; no horizontal overlap






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






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






22. Curved alignment of the occlusal plane when looking from a posterior view(right to left)






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






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






25. When no teeth are contacting on this side






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






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






28. Mandibular molars more distal than maxillary molars






29. Abnormal contacts; occlusal habits - and neuroses






30. Starts around the mesial of the 1st molar






31. Anterior or posterior; bilateral or unitlateral - anterior more common






32. #10 & #23






33. Maxillary - Mandibular - Facial






34. Tongue thrust or thumb sucking can cause






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






36. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation






37. Habitual - acquired - convenience - intercuspal & static






38. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth






39. 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






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






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






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






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






44. Tooth positioned more facial






45. 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






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






47. Cervical 3rd






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






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






50. 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







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