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Dentistry Occlusion

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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. Later






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






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






4. Tooth positioned more lingual






5. Starts closer to the posterior of the 1st molar






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






7. Both sides






8. Abnormal contacts; occlusal habits - and neuroses






9. Primary teeth set ___________________ for permanent






10. Mesognathic profile






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






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






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






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






15. Rotated or twisted; rotated mesial or distal






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






17. Maximum touching of max and mand






18. Maxillary - Mandibular - Facial






19. Relationship of the teeth in opposite arches; static position






20. Crowns tipped lingually - roots tipped laterally






21. Lateral mvmt results in contacct of all posterior teeth






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






23. Starts around the mesial of the 1st molar






24. Buck teeth are common and are considered






25. Anterior; no horizontal overlap






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






27. Maxillary anterior teeth stick out labially from tongue thrusting






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






29. Spaces between two teeth






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






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






32. Tongue thrust or thumb sucking can cause






33. Occlusal guard =






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






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






36. Relationship of the arches bone to bone;






37. #10 & #23






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






39. #7 - 26 - 27






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






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






42. 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






43. Laterally






44. Tooth extracted






45. Tooth positioned more facial






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






47. Mesially - Labially






48. Overlap of anterior teeth






49. Vertical






50. Above occlusal plane






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