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. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap






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






3. Abnormal contacts; occlusal habits - and neuroses






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






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






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






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






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






9. 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






10. Posterior; no horizontal overlap






11. Measurement of horizontal overlap w/ probe






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






13. What is not affected by occ trauma






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






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






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






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






18. Occlusal guard =






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






20. Middle 3rd






21. During protrusive occ - ______ is considered undesirable






22. Laterally






23. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made






24. 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






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






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






27. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth






28. After periodontal sugery - mobility will ________






29. 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






30. Retrognathic profile






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






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






33. Maxillary incisors are are lingual to mandibular incisors






34. ____ is not a sign of occl trauma






35. Difference between primary and secondary occ trauma






36. Prognathic profile






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






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. If the mandible moves to the left - the mvmt is known as a left working movement






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






41. #7 - 26 - 27






42. Mesognathic profile






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






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






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






46. Starts closer to premolars






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






48. Does not result from brushing at all - but from traumatic lateral forces placed on the teeth as a result of a malocclusion or abnormal tongue activity. Root surface is exposed & can become carious






49. Buck teeth are common and are considered






50. Both sides