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






2. 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






3. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt






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






5. Maxillary incisors are are lingual to mandibular incisors






6. 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






7. Mesially - Labially






8. Starts closer to premolars






9. Vertical overlapping






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






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






12. Measurement of horizontal overlap w/ probe






13. Lateral mvmt results in contacct of all posterior teeth






14. When no teeth are contacting on this side






15. Later






16. After periodontal sugery - mobility will ________






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






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






19. Vertical






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






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






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






23. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position






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






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






26. Rotated or twisted; rotated mesial or distal






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






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






29. Above occlusal plane






30. Anterior; no horizontal overlap






31. Relationship of the arches bone to bone;






32. Both sides






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






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






35. 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






36. Starts around the mesial of the 1st molar






37. Mvmt of the mandible in a direction anterior to centric occ






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






39. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus






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






41. Tooth extracted






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






43. When one tooth hits before all others when closing teeth together(may cause TMJ problems)






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






45. Difference between primary and secondary occ trauma






46. 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






47. Middle 3rd






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






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






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







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