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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. Introduced the concept of codestruction






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






3. Horizontal distance of anterior teeth in crossbite






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






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






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






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






8. Tooth positioned more facial






9. The patient is constantly tightening the lower lip against the lower anterior teeth causing the the mandibular teeth to be pushed back into the mouth by this overdeveloped lower lip






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






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






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






13. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces






14. Overlap of anterior teeth






15. After periodontal sugery - mobility will ________






16. Both sides






17. Occlusal guard =






18. 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






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






20. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus






21. Above occlusal plane






22. 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






23. Lateral mvmt results in contacct of all posterior teeth






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






25. 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






26. Excessive occ force with adequate bone support =






27. Maxillary overlap mandibular; whole arch






28. 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






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






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






31. Laterally






32. A continuation of the spee of to extend through the condyle






33. 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






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






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






36. II (mal)occlusion






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






38. Mesially - Labially






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






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






41. Prognathic profile






42. During protrusive occ - ______ is considered undesirable






43. Posterior; no horizontal overlap






44. Starts around the mesial of the 1st molar






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






46. Habitual - acquired - convenience - intercuspal & static






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






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






49. Starts closer to premolars






50. Cervical 3rd







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