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. Laterally






2. Maximum touching of max and mand






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






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






5. Anterior; no horizontal overlap






6. 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






7. 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






8. Maxillary anterior teeth stick out labially from tongue thrusting






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






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






11. Normal contacts between max. and mand. teeth; momentary contacts






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






13. Tongue thrust or thumb sucking can cause






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






15. The side to which the mandible moves(chewing side)






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






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






18. Tooth extracted






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






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






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






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






23. Mesognathic profile






24. Later






25. Associated with performance; all contacts during function of the oral cavity






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






27. Posterior; no horizontal overlap






28. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract






29. Incisal 3rd






30. 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






31. Overlap of anterior teeth






32. Vibrational mvmt of a tooth under occ function






33. Mandible moves to the right or left






34. Class III (mal)occlusion of permanent teeth






35. Vertical overlapping






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






37. Prognathic profile






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






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






40. Middle 3rd






41. Excessive occ force with adequate bone support =






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






43. Guidance for protrusive occ should be on the






44. Relationship of the arches bone to bone;






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






46. Tongue thrusting; thumb sucking - pacifiers






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






48. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)






49. Mesially - Labially






50. Spaces between two teeth