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






2. Class III (mal)occlusion of permanent teeth






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






4. Excessive occ force with adequate bone support =






5. Prognathic profile






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






7. Tooth positioned more lingual






8. Spaces between two teeth






9. Starts around the mesial of the 1st molar






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






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






12. Below occlusal plane






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






14. Crowns tipped lingually - roots tipped laterally






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






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






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






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






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






20. Anterior; no horizontal overlap






21. Vibrational mvmt of a tooth under occ function






22. Middle 3rd






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






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






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






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






27. #10 & #23






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






29. Abnormal contacts; occlusal habits - and neuroses






30. Habitual - acquired - convenience - intercuspal & static






31. Introduced the concept of codestruction






32. II (mal)occlusion






33. 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






34. Rotated or twisted; rotated mesial or distal






35. Survival of the dentition despite its deviation from a preconceived hypothetical normal






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






37. 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






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






39. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth






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






41. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)






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






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






44. Posterior; no horizontal overlap






45. Overlap of anterior teeth






46. Maxillary overlap mandibular; whole arch






47. Laterally






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






49. 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






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