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






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






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






4. Overlap of anterior teeth






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






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






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






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






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






10. 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






11. Vertical






12. Cervical 3rd






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






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






15. Introduced the concept of codestruction






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






17. Vibrational mvmt of a tooth under occ function






18. Anterior; no horizontal overlap






19. Teeth are misaligned when biting together






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






21. 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






22. Habitual - acquired - convenience - intercuspal & static






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






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






25. After periodontal sugery - mobility will ________






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






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






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






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






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. During protrusive occ - ______ is considered undesirable






32. Maxillary incisors are are lingual to mandibular incisors






33. Incisal 3rd






34. Maxillary anterior teeth stick out labially from tongue thrusting






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






36. Later






37. Abnormal contacts; occlusal habits - and neuroses






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






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






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






41. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt






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






43. Maximum touching of max and mand






44. Tooth positioned more facial






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






46. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition






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






48. 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






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






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