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






2. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts






3. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus






4. Cervical 3rd






5. Introduced the concept of codestruction






6. Class III (mal)occlusion of permanent teeth






7. Contact between maxillary incisors does not line up with contact of mandibular incisors






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






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






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






11. Does not result from brushing at all - but from traumatic lateral forces placed on the teeth as a result of a malocclusion or abnormal tongue activity. Root surface is exposed & can become carious






12. Mandible moves to the right or left






13. Tooth extracted






14. Lateral mvmt results in contacct of all posterior teeth






15. Maximum touching of max and mand






16. Maxillary incisors are are lingual to mandibular incisors






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






18. Maxillary anterior teeth stick out labially from tongue thrusting






19. Spaces between two teeth






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






21. Tooth positioned more facial






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






23. Maxillary-between canines and laterals - mandibular-between canines and 1st molars






24. Excessive occ force with adequate bone support =






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






26. Horizontal distance of anterior teeth in crossbite






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






28. 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






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






30. Buck teeth are common and are considered






31. Below occlusal plane






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






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






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






35. Retrognathic profile






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






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






38. Individual teeth from each arch can be involved in ________________ malocclusion






39. Starts closer to premolars






40. Prognathic profile






41. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)






42. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)






43. 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






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






45. Teeth are misaligned when biting together






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






47. #7 - 26 - 27






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






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






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