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. When no teeth are contacting on this side






2. Starts closer to premolars






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






4. Mesially - Labially






5. Retrognathic profile






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






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






8. Difference between primary and secondary occ trauma






9. Teeth are misaligned when biting together






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






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






12. Vertical overlapping






13. What is not affected by occ trauma






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






15. Excessive occ force with adequate bone support =






16. Prognathic profile






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






18. 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






19. 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






20. 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






21. Introduced the concept of codestruction






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






23. 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






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






25. Habitual - acquired - convenience - intercuspal & static






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






27. ____ is not a sign of occl trauma






28. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________






29. Class III (mal)occlusion of permanent teeth






30. Both sides






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






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






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






34. Spaces between two teeth






35. Primary teeth set ___________________ for permanent






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






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






38. Relationship of the teeth in which the incisal ridges of the maxillary anterior teeth extend below the incisal edges of the mandibular anterior teeth when the teeth are placed in a centric occlusal relationship






39. Guidance for protrusive occ should be on the






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






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






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






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






44. Posterior; no horizontal overlap






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






46. #10 & #23






47. Tooth positioned more facial






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






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






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