DHL OCCLUSION Test Questions with Correct Answers

DHL OCCLUSION Test Questions with Correct Answers What are the reasons we need to be aware of occlusion? - Answer-- treatment planning - idea of oral habits, mastication, predisposing factors to caries & perio disease - modification of scaling & polishing procedures - need for frequent recall - possible orthodontic referral What is occlusion? - Answer-the manner in which the maxillary & mandibular arch touch when closed What is static occlusion? - Answer-relationship of teeth when jaws are closed in centric relationship What is centric occlusion? - Answer-relationship of opposing occlusal surfaces in maximum contact What is centric relation? - Answer-normal, unstrained, closed position What is functional occlusion? - Answer-contact of teeth during mastication & swallowing What are the classifcations of occlusions based on? - Answer-based upon principles of Dr. Ed Angle What are the three types of occlusion? - Answer-- Class I - Class II - division 1 & 2 - Class III written in roman numerals What is mesognathic? - Answer-slightly protruded jaws; facial outline is relatively straight What is retrognathic? - Answer-maxilla protrudes & mandible retrudes; convex profile What is prognathic? - Answer-mandible is protruded & maxilla is retruded; concave profile What is Class I? - Answer-Normal; Neutrocclusion