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. Tooth positioned more facial






2. Rotated or twisted; rotated mesial or distal






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






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






5. Widening of the PDL in areas under pressure results due to






6. Posterior; no horizontal overlap






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






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






9. Both sides






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






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






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






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






14. 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






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






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






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






18. Maxillary incisors are are lingual to mandibular incisors






19. Mesially - Labially






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






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






22. Difference between primary and secondary occ trauma






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






24. Curve spee & wilson - 3-d - not proven






25. Primary teeth set ___________________ for permanent






26. Maxillary - Mandibular - Facial






27. Buck teeth are common and are considered






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






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






30. ____ is not a sign of occl trauma






31. Middle 3rd






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






33. Occlusal guard =






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






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






36. When no teeth are contacting on this side






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






38. Teeth are misaligned when biting together






39. Later






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






41. Maxillary anterior teeth stick out labially from tongue thrusting






42. After periodontal sugery - mobility will ________






43. Maxillary overlap mandibular; whole arch






44. Tongue thrust or thumb sucking can cause






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






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






47. Mandibular molars more mesial than maxillary molars (most children)






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






49. 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






50. Horizontal distance of anterior teeth in crossbite