MCQs for recording bases and occlusal rims

Q1. Which is not a therapeutic role of recording bases Establishment of rest vertical dimension Indication of the patient’s acceptance of the final dentures, by his early response to the presence of “denture-like’ forms and materials Establishment of occlusal vertical dimension Determining and recording centric relation

Q2. which is not a criteria for recording bases It should be well adapted and accurately formed to the final cast Should be free of voids or projections on the surface that contacts the oral mucosa Could be stable on the cast or in the mouth Fabricated from materials that are dimentionally stable

Q3.which of the following is false about thickness of recording bases Approx. 2 mm in the hard palate area 1mm on the facial slope of the ridge 1 mm on the lingual flange of the mandibular base 1 mm over the crest of the ridge

Q4. which is not used for permanent bases Processed acrylic resin Cold curing resin Chromiun cobalt alloy Chromium nickel alloy

Q5. Which one is not true Natural maxillary anterior teeth are slightly forward of the alveolar bone Mandibular incisors are inclined lingually When occluding with the mandibular molars, the maxillary buccal cusps usually project 2 to 3 mm beyond the buccal cusps of the mandibular teeth The crowns of the mandibular posterior teeth are inclined inward

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