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






2. Crowns tipped lingually - roots tipped laterally






3. Vibrational mvmt of a tooth under occ function






4. Spaces between two teeth






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






6. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth






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






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






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






10. Mesially - Labially






11. Occlusal guard =






12. Posterior; no horizontal overlap






13. Lateral mvmt results in contacct of all posterior teeth






14. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap






15. 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






16. Vertical overlapping






17. Maximum touching of max and mand






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






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






20. Starts around the mesial of the 1st molar






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






22. Introduced the concept of codestruction






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






24. 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






25. Vertical






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






27. Tooth positioned more lingual






28. 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






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






30. Relationship of teeth in which the incisal ridges or buccal cusp ridges of the maxillary anterior teeth extend facially to the incisal ridges/cusps of the mandibular teeth when the teeth are in centric occlusion relationship






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






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






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






34. Tooth positioned more facial






35. Later






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






37. Class III (mal)occlusion of permanent teeth






38. Maxillary anterior teeth stick out labially from tongue thrusting






39. Above occlusal plane






40. Middle 3rd






41. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth






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






43. 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






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






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






46. 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






47. Guidance for protrusive occ should be on the






48. What is not affected by occ trauma






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






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







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