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






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






3. Mesognathic profile






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






5. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth






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






7. Class III (mal)occlusion of permanent teeth






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






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






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






11. When no teeth are contacting on this side






12. Maxillary anterior teeth stick out labially from tongue thrusting






13. Maxillary - Mandibular - Facial






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






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






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






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






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






19. Mandibular molars more distal than maxillary molars






20. Anterior; no horizontal overlap






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






22. 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






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






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






25. Lateral mvmt results in contacct of all posterior teeth






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






27. Maxillary incisors are are lingual to mandibular incisors






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






29. Horizontal distance of anterior teeth in crossbite






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






31. 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






32. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)






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






34. Tooth extracted






35. 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






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






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






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






39. Spaces between two teeth






40. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________






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






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






43. Abnormal contacts; occlusal habits - and neuroses






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






45. Laterally






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






47. Retrognathic profile






48. Overlap of anterior teeth






49. Habitual - acquired - convenience - intercuspal & static






50. Maximum interlocking of cusp







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