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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. Cervical 3rd






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






3. Relationship of the arches bone to bone;






4. Tongue thrust or thumb sucking can cause






5. Class III (mal)occlusion of permanent teeth






6. Occlusal guard =






7. 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






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






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






10. Maximum interlocking of cusp






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






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






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






14. Horizontal






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






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






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






18. 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






19. Starts closer to premolars






20. Vertical overlapping






21. Tooth positioned more lingual






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






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






24. Mesognathic profile






25. Tongue thrusting; thumb sucking - pacifiers






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






27. Buck teeth are common and are considered






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






29. Incisal 3rd






30. Retrognathic profile; buccal groove of mand 1st molar-distal to mb cusp of max 1st; distal of mand. canine distal to mesial to max caniine - tendency toward class II






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






32. ____ is not a sign of occl trauma






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






34. 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






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






36. #7 - 26 - 27






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






38. During protrusive occ - ______ is considered undesirable






39. Primary teeth set ___________________ for permanent






40. When no teeth are contacting on this side






41. Habitual - acquired - convenience - intercuspal & static






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






43. Abnormal contacts; occlusal habits - and neuroses






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






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






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






47. Tooth extracted






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






49. What is not affected by occ trauma






50. Prognathic profile







Sorry!:) No result found.

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