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Quiz 9

Week 13 EFDA

QuestionAnswer
Desensitizing agents work by Blocking the dentin tubules Reducing the size of the dentin tubules Stoping the flow of fluid in the dentin tubules None of the above Reducing the size of the dentin tubules
TRUE or FALSE: Desensitizing agents can only be applied in the dental office. False
All of the following are instances where retraction cord could be used EXCEPT: Final impression for a crown or bridge Filling a subgingival restoration Occlusal filling placement All of the above Occlusal filling placement
TRUE or False: Preventing restorative material from getting into the sulcus is a benefit of retraction cord placement True
What are the three main types of retraction material/cord? Paste, traxodent, unbraided Knit, braided, unbraided Paste, knit, braided Knit, unknit, paste Knit, unknit, paste
TRUE or FALSE: Retraction cord ranges in size from 00-2 True
TRUE or FALSE: For the double cord technique the larger cord is packed into the sulcus first then the smaller. False
TRUE OR FALSE: Periodontal dressings are used to protect surgical sites after a procedure is completed True
Four most common pulp vitality tests are: Hot, cold, electrical, dentin stimulation Hot, cold, percussion, electrical Pressure, hot, electrical, percussion Pressure, cold, electrical, hot Hot, cold, electrical, dentin stimulation
If a patient has lingering pain after a pulp test, what is that an indication of? Nrmal healthy pulp Irreverable pulpitis Reversable pulpitis Irreverable pulpitis
TRUE or FALSE: A dental impression produces a negative impression of the teeth True
Alginate is an example of what kind of impression material? Polyether Irreversible hydrocolloid Reversible hydrocolloid Irreversible hydrocolloid
What is the typical setting time for fast set alginate? 1-2 minutes 2-3 minutes 2.5-3.5 minutes 4-5 minutes 1-2 minutes
Which of the following is NOT necessary criteria needed for an acceptable impression tray fit? Tray covers all teeth Doesn't impinge on tissues It extends beyond the soft palate Extends into the buccal and lingual vestibules It extends beyond the soft palate
What is the best way to prevent a patient from having a gag reflex? Have patient lean forward slightly Distract the patient Use fast set alginate All of the above All of the above
An acceptable impression will have all the following except: Voids present No distortion No tears All teeth and anatomy Voids present
TRUE or FALSE: Once an impression is taken it should be poured within one hour. True
TRUE or FALSE: Glass ionomer sealants release fluoride. True
Which of the following is the probable toxic dose of fluoride in an adult? 0.05-1.5 mg/kg 1.5-2 mg/kg 2.5-5 mg/kg 5-7 mg/kg 2.5-5 mg/kg
Which of the following are indications for sealants? Deep pits and fissures Teeth are cavity free Stained pits and fissures All of the above All of the above
What is the number one cause of sealant failure? Moisture contamination Expired material Poor curing technique Moisture contamination
TRUE or FALSE: Home mouth rinses such as ACT and toothpaste are examples of at home fluoride methods True
TRUE or FALSE: When selecting prophy paste it is important to select the finest grit possible to remove the extrinsic stain present. True
All of the following are contraindications of prophy polishing except: Tooth sensitivity Lack of stain Irritated gum tissue Extrinsic stain Extrinsic stain
TRUE or FALSE: When prophy polishing it is important to frequently refill your prophy angle to prevent excess heat from being generated during the polishing. True
Created by: EFDA2024
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