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Dentistry Occlusion

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. Horizontal distance of anterior teeth in crossbite






2. Starts closer to premolars






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






4. Mandible moves to the right or left






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






6. Mandibular molars and maxillary molars are even






7. Both sides






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






9. ____ is not a sign of occl trauma






10. Cervical 3rd






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






12. When no teeth are contacting on this side






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






14. Functional occlusion






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






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






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






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






19. Teeth are misaligned when biting together






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






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






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






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






24. 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






25. Vertical overlapping






26. 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






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






28. Usually indicative of moderate to sever perio and secondary occ trauma






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






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






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






32. 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






33. Spaces between two teeth






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






35. After periodontal sugery - mobility will ________






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






37. Measurement of horizontal overlap w/ probe






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






39. Overlap of anterior teeth






40. Tongue thrusting; thumb sucking - pacifiers






41. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone






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






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






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






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






46. Tooth positioned more facial






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






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






49. Posterior; no horizontal overlap






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







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