RDA EXAM STUDY SET QUESTIONS WITH 100% CORRECT ANSWERS

RDA EXAM STUDY SET QUESTIONS WITH 100% CORRECT ANSWERS What item can be used in inter proximal spaces to prevent the etchant from contacting adjacent teeth during the etching process? a- dental floss b- wedges c- mylar strip d- metal matrix band - answerc- mylar strip Which radiograph is most commonly exposed on an orthodontic patient? a- FMX b- panoramic c- cephalometric d- BW - answerc- cephalometric When conducting an objective examination, the dentist will not take into consideration which observation? a- tooth mobility b- presence of extent of decay c- swelling or dislocations d- patients' pain report - answerd- patients pain report The _____ depth of the periodontal pocket, the ____ the loss of bone; therefore, the ____ severe the periodontal disease a- greater; greater; more b- greater; greater; less c- lesser; lesser; more d- lesser; greater; less - answera- greater; greater; more The highest risk period of decay occurs within the first ____ years of eruption a- 3 b-2 c- 7 d- 9 - answera- 3 What prosthesis is placed immediately after the extraction of the patients remaining anterior teeth? a- overdenture b- immediate denture c- partial denture d- duplicate denture - answerb- immediate denture Traumatic _____ occurs when the injured tooth has been forced inward. a- avulsion b- extrusion c- intrusion d- luxation - answerc- intrusion What is an advantage of using the patient's model to select bands? a- The patient does not need to be present b- It is more accurate c- Neither are advantages d- Both are advantages - answera- the patient does not need to be present How often does the American Academy of Pediatric Dentistry recommend that radiographic imaging be performed for children at high risk for tooth decay? a- 3 months b- 6 months c-12 months - answerb- 6 months What is the area surrounding the mouth called? a- circumoral b- endosteal c- subperiosteal d- transosteal - answera- circumoral Retention of a maxillary denture depends on the suction seal from which element? a- flange b- palatal suction c- post dam d- border molding - answerc- post dam A right-handed operator generally begins seated at ____ o'clock and a left-handed operator at _____ o'clock. - answer8; 3 An incisional biopsy is indicated when he lesion is what size? a- larger than 1mm in all dimensions b- larger than 1 cm in all dimensions c- located in an area that would be cosmetically or functionally impaired by surgery d- both b and c - answerd- both b and c Simple repairs of broken denture acrylic are sometimes handled in the dental office laboratory by using which material? a- gluteraldeyde b- cold-cured acrylic c- palodent d- eugenol - answerb- cold-cured acrylic The two types of tests that the dentist uses to determine whether the inflammatory process has gone into the periapical tissues are ____ and ____. a- objective; subjective b- palpation; percussion c- chronic; acute d- reversible; irreversible - answerb- palpation; percussion What is the advantage of using preformed crowns for provisional coverage? a- it reduces time required for the procedures b- Preformed shells comes with anatomic features of natural teeth c- monomer setting time is less than 90 seconds d- both a and b are advantages - answerd- both a and b are advantages How long is the healing period for the first osseointegrated implant surgery? - answer1-2 weeks Which factors can cause pulpal nerve damage? a- physical irritation b- trauma c- poor nutritional health d- both a and b - answerd- both a and b If the liquid or powder acrylic material is being used for the provisional, how many drops of liquid are used? a- 5