Test your basic knowledge |

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






2. Later






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






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






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






6. Teeth are misaligned when biting together






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






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






9. Mandibular molars more distal than maxillary molars






10. Mandibular molars and maxillary molars are even






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






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






13. After periodontal sugery - mobility will ________






14. Vibrational mvmt of a tooth under occ function






15. #7 - 26 - 27






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






17. #10 & #23






18. ____ is not a sign of occl trauma






19. Curve of the occlusal plane; from anterior to posterior - increases with age






20. Curved alignment of the occlusal plane when looking from a posterior view(right to left)






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






22. Excessive occ force with adequate bone support =






23. Anterior; no horizontal overlap






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






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






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






27. Relationship of the arches bone to bone;






28. Maximum touching of max and mand






29. Measurement of horizontal overlap w/ probe






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






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






32. Patient forces teeth together in centric occlusion on one side to get a more functional bite and has a crossbite on the other side(the midline of the maxillary anterior teeth does not line up with the midlineof the mandible






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






34. Primary teeth set ___________________ for permanent






35. Tooth positioned more lingual






36. Above occlusal plane






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






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






39. II (mal)occlusion






40. Maxillary - Mandibular - Facial






41. Tooth positioned more facial






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






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






44. During protrusive occ - ______ is considered undesirable






45. Abnormal contacts; occlusal habits - and neuroses






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






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






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






49. 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






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