HOTTEL EFDA Combined Questions And Answers Verified 100% Correct

HOTTEL EFDA Combined Questions And Answers Verified 100% Correct EFDAs are required to register with the Ohio state dental board. Applicant for the EFDA registration are required to complete a written application on a form specified by the Dental board and all of the following: - ANSWER -Pay a registration fee Show proof of an EFDA course, board approved Show proof passing the EFDA board exam Under what circumstances can an EFDA Be eligible to practice under general supervision in the state of Ohio - ANSWER -Complete two years and 3000 hours of work experience, Plus a medical emergencies course What is a non-delegable duty for an EFDA in the state of Ohio? - ANSWER Permanently cement a porcelain crown How many EFDAs can one Dentist oversee at a time? - ANSWER -2 How many hours are needed in the state of Ohio to complete an EFDA course - ANSWER -100 didactic/lab and 80 clinical irremediable tasks and procedures include - ANSWER -Injection of local anesthetics Direct supervision includes - ANSWER -Dentist is physically present in the office and the procedures are ordered by the dentist The science that studies the relationship of people to their working environment in order to promote efficiency and reduce stress and strain - ANSWER -Ergonomics correct body position for an EFDA - ANSWER -Forearms parallel, feet flat on floor What is the operating zone for the right handed operator relative to the patient's face - ANSWER -8-12 o'clock zone Ideally, the distance from operator face to the patient face should be - ANSWER 12-14 inches When restoring a maxillary tooth best visual access can be obtained with the patient reclined in a supine position. The plane of the maxillary arch is - ANSWER -Perpendicular to the floor When restoring a mandibular tooth, Best visual access can be obtained with the patient reclined with the back of the chair angled slightly up(30-40 degrees). The plane of the mandibular arch is - ANSWER -Parallel to the floor What instruments are used to place amalgams, composite resin's and temporary filling materials into cavity preparation's - ANSWER -Compactors What instruments are used to remove excess amalgam, composite resin's and temporary materials after the material has been placed in the cavity preparation - ANSWER -Carvers What instruments are used to rub and smooth amalgam after it has been placed in the cavity preparation - ANSWER -Burnisher Most hand instruments are made up of what three parts - ANSWER -Handle, shank, working end The working end of a carver (discoid/cleoid) has a cutting edge divided into three general areas. They are: - ANSWER -the tip, side and heel What instruments are designed to finish and polish amalgam and composite restorations - ANSWER -rotary The instrument grasp that offers the greatest control during performance of restorative procedures in the oral cavity - ANSWER -Modified pen grasp True or false: a second finger is used as a fulcrum - ANSWER -False A carver should be adapted at a __________ degree angle to the surface being carved. - ANSWER -90 What is the function of the index finger in the modified pen grasp - ANSWER holds the instrument handle opposite the thumb How does the EFDA accomplish activation (movement) of an instrument in order to avoid muscle cramping and fatigue? - ANSWER -Moving the hand, wrist and forearm as one unit, keeping a secure fulcrum What are the advantages of working in a dry field? - ANSWER -Better visibility, prep stays clean and dry, Materials develop properly and easier access for placement of materials True or false: in a proper operating field the teeth are accessible and dry in the surrounding soft tissues are isolated from the operating site - ANSWER -True Is the oldest method used for retraction and dryness and are recommended for isolation during short periods - ANSWER -Cotton rolls Cotton rules are placed in the vestibule or floor of the mouth adjacent to the operating sites. They will absorb saliva from what salivary ducts - ANSWER Parotid and sublingual Disadvantage of cotton roll isolation - ANSWER -Must be changed frequently, risk of contamination when changing, limited retraction, does not protect patient How many advantages to using rubber dam - ANSWER -6 Dryness ensured during all steps of the cavity preparation and restorative procedure when you use this type of isolation - ANSWER -Rubber dam The most common listed disadvantage of using the rubber dam - ANSWER -Time in placing All rubber dam clamps have this in common - ANSWER -Jaw, forcep holes, points, bow What should be attached to the clamp prior to placement to minimize accidental aspiration - ANSWER -Floss When applying a rubber dam for a complete isolation of teeth, the EFDA will need to _____ the dam - ANSWER -Invert When removing the rubber dam, the septum portion of the dam is - ANSWER Cut