ADAA QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED

All of the following factors are necessary for the retention of pit and fissure sealants, EXCEPT - Answer-the teeth must have had a fluoride treatment prior to application What is the main reason why a matrix band is used during the placement of a proximal restoration? - Answer-to act as the missing wall of the tooth during placement of the restoration Which of the following methods should be used to prevent medical emergencies in the dental office? - Answer-all of the above Which of the following are indicators that the final setting time of dental stone has been reached? 1. the model will become warm 2. the alginate impression material becomes softer 3. the model will become damp model will be cool and dry - Answer-if only 4 is correct Bitewing radiographs are exposed on a new patient. The dentist indicates that there is decay under an existing restoration. What is the name for this type of caries? - Answer-recurrent caries The dental assistant receives a shipment of items previously ordered. How should the assistant store the new items? - Answer-behind older items Which needle would have the largest diameter? - Answer-short, 25 gauge needle Which of the following is NOT a technique used when making a custom acrylic impression tray? - Answer-place baseplate wax on the model for a spacer The patient's clinical record should include all of the following EXCEPT - Answer-financial records Which of the following are proper techniques to use when mixing zinc phosphate cement? 1. mix on a cool glass slab 2. add powder in 4-6 increments 3. mix over a wide area of the mixing slab 4. mix time is 1-2 minutes - Answer-1, 2, and 3 are correct To decrease (shorten) the setting time of gypsum products, which of the following methods can be used? 1. increase water temperature 2. add table sugar 3. increase spatulation time or rate 4. increase the amount of water - Answer-1 and 3 are correctA patient has just had tooth #32 surgically extracted. The dental assistant should instruct the patient to 1. apply direct pressure to the area 2. begin rinsing with warm salt water immediately 3. apply an ice pack to the face as soon as possible 4. drink only through a straw - Answer-1 and 3 are correct Where should the topical anesthetic be placed if the mandibular right first molar will be treated? - Answer-on the buccal mucosa distal to the mandibular right first molar Due to HIPAA privacy standards the patient must sign a statement acknowledging receipt of the practice's written privacy policy. How long is this acknowledgement kept in the patient's record? - Answer-minimum of 6 years Which technique would allow for the proper amount of time necessary for the placement of a dental cement in a crown? - Answer-follow manufacturers instructions A lack of saliva may result in which of the following? 1. higher acid levels in the oral cavity 2. more remineralization of enamel 3. higher caries rate 4. increased clearance of food debris from the oral cavity - Answer-only 4 is correct a gingivectomy - Answer-surgical removal of diseased gingival tissue Which instruments are used to remove the bulk of the pulp tissue during root canal therapy? - Answer-barbed broaches Which of the following would be indications for the application of pit and fissure sealants? 1. anterior teeth with no restorations 2. posterior teeth with deep carious lesions 3. all primary teeth 4. posterior teeth with deep pits and fissures - Answer-2 and 4 are correct What is the value of dental materials containing Amorphous Calcium Phosphate (ACP)? - Answerthey promote the remineralization of damaged tooth structure Which of the following cements has an acidic quality that may be irritating to the pulp? 1. zinc oxideeugenol 2. glass ionomer 3. zinc polycarboxylate 4. zinc phosphate - Answer-only 4 is correctCalcium hydroxide is used for which of the following purposes? 1. as an insulating base 2. as a permanent luting agent 3. as a temporary restoration 4. to promote the formation of secondary dentin - Answer-only 4 is correct Where should the assistant's eye level be in relation to the dentist's eye level when they are both seated chairside? - Answer-4-6 inches above the dentist