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






2. Horizontal






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






4. After periodontal sugery - mobility will ________






5. Overlap of anterior teeth






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






7. Tooth positioned more lingual






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






9. Later






10. 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






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






12. Below occlusal plane






13. Tongue thrust or thumb sucking can cause






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






15. Starts around the mesial of the 1st molar






16. During protrusive occ - ______ is considered undesirable






17. The way you normally bite your teeth together when not chewing






18. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation






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






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






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






22. Malocclusion cause excessive incisal or occlusal wear(attrition); teeth continue to erupt in order to occlude with teeth in the opposite arch & roots become exposed






23. II (mal)occlusion






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






25. Mandibular molars more distal than maxillary molars






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






27. Mesially - Labially






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






29. Maximum interlocking of cusp






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






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






32. Slight buccal inclination of crown - lingual inclination of root






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






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






35. Excessive occ force with adequate bone support =






36. 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






37. Laterally






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






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






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






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






42. Spaces between two teeth






43. Crowns tipped lingually - roots tipped laterally






44. Tongue thrusting; thumb sucking - pacifiers






45. Habitual - acquired - convenience - intercuspal & static






46. Difference between primary and secondary occ trauma






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






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






49. Abnormal contacts; occlusal habits - and neuroses






50. Introduced the concept of codestruction