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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. Tongue thrusting; thumb sucking - pacifiers






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






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






4. Excessive occ force with adequate bone support =






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






6. 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






7. Below occlusal plane






8. Overlap of anterior teeth






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






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






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






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






13. During protrusive occ - ______ is considered undesirable






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






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






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






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






18. Starts around the mesial of the 1st molar






19. Maxillary overlap mandibular; whole arch






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






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






22. Rotated or twisted; rotated mesial or distal






23. Class III (mal)occlusion of permanent teeth






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






25. Mandible moves to the right or left






26. Habitual - acquired - convenience - intercuspal & static






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






28. II (mal)occlusion






29. #10 & #23






30. Tooth positioned more facial






31. Vertical overlapping






32. 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






33. Mesognathic profile






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






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






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






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






38. 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






39. Incisal 3rd






40. Horizontal distance of anterior teeth in crossbite






41. Later






42. Prognathic profile






43. ____ is not a sign of occl trauma






44. Muscles that work the jaw; may become sore due to occ trauma






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






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






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






48. Abnormal contacts; occlusal habits - and neuroses






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






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







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