Chairside Dental Procedures Mosby's Dental Assisting Exam Review Review-Questions and Answers for Dental Assisting Questions and Answers 100% Pass

Chairside Dental Procedures Mosby's Dental Assisting Exam Review Review-Questions and Answers for Dental Assisting Questions and Answers 100% Pass Describe how to apply principles of four-handed dentistry in all treatment procedures including access, visibility, and equipment placement. - Correct Answer ️️ -A. Use preset trays. B. Minimize stress by applying principles of motion economy. C. Position the patient and dental team in ergonomically designed equipment. D. Use moisture control equipment. E. Delegate all legally delegable expanded duties to the appropriate credentialed staff. Describe how to prepare for patient treatment. - Correct Answer ️️ -A. Review the patient record to determine treatment and medical alerts. B. Prepare the treatment area; ensure that the room is clean and disinfected and that the patient record, radiographs, and lab materials are accessible; place preset trays with needed supplies. C. Ensure that the chair is positioned for patient entrance and that the pathway is accessible to the patient. D. Greet and seat the patient. Position the dental team using four-handed dentistry principles. - Correct Answer ️️ - A. Position the patient into - Correct Answer ️️ -supine position B. Position the operator using four-handed dentistry guidelines. - Correct Answer ️️ -1. Thighs parallel to the floor 2. Feet flat on the floor 3. Seated back on the stool so the front edge of the stool just touches the back of the knees 4. Backrest supports the lower back area C. Position the dental assistant. - Correct Answer ️️ -1. Sit on the dental assistant's stool with the buttocks firmly toward the back of the stool. 2. Position stool as close to the patient as possible. 3. Thighs parallel to the patient chair 4. Eye level 4 to 6 inches above operator D. Implement the classifications of motion. - Correct Answer ️️ -1. Class I—Movement of fingers only 2. Class II—Movement of fingers and wrist only 3. Class III—Movement of fingers, wrist, and elbow 4. Class IV—Movement of entire arm and shoulder 5. Class V—Movement of entire torso 6. Avoid class IV and V movement to reduce stress. E. Understand the concept of "clock zones" as they relate to operating zones. - Correct Answer ️️ -1. The patient's face is the center of the clock, and the patient's head is at the 12 o'clock position with the face of the clock divided into four zones. 2. Right-handed operator - Correct Answer ️️ -a. Operator's zone: 7-12 o'clock b. Transfer zone: 4-7 o'clock c. Assistant's zone: 2-4 o'clock d. Static zone: 12-2 o'clock 3. Left-handed operator - Correct Answer ️️ -a. Operator's zone: 12-5 o'clock b. Transfer zone: 5-8 o'clock c. Assistant's zone: 8-10 o'clock d. Static zone: 10-12 o'clock IV. Explain the objectives for effective instrument transfer. - Correct Answer ️️ -A. Position the instruments in sequence of use B. Transfer instruments and handpieces with the left hand and use the right hand for oral evacuation and preparation of next instrument or material needed. C. Use only class I, II, or III motions during transfer. D. Place working end of instruments in position of use E. Transfer instrument firmly into the operator's hand to ensure safe delivery G. Use a single-handed transfer to maximize efficiency. Place working end of instruments - Correct Answer ️️ -down for the mandible and up for the maxilla. Instrument grasps include - Correct Answer ️️ -pen grasp, palm grasp, and palm- thumb grasp. Certain instruments require variations in transfer technique. - Correct Answer ️️ -A.- Mirror and explorer, B.- Cotton pliers, C.- Instruments with hinges, such as rubber dam forceps, scissors, and surgical forceps A.- Mirror and explorer are - Correct Answer ️️ -passed simultaneously;