Download Chairside Dental Assisting Exam: Ergonomics and Dental Procedures and more Exams Dental surgery in PDF only on Docsity! Chairside Dental Assisting Test Exam Questions with Verified Solutions. What is ergonomics? (Essay Question) - ANS Deals with adaptation of the work environment to the human body. The goal of ergonomics is to help people stay healthy while performing their work more effectively. Ergonomics designs the work area and the task around the human body, rather than requiring the human to adapt to poorly designed equipment and working environments. Class I GV Black - ANS Decay is diagnosed in the pits and fissures of the occlusal surfaces of molars and premolars, the buccal or lingual pits of molars, and the lingual pits of maxillary incisors. Class II GV Black - ANS Decay is diagnosed on the proximal (mesial or distal) surfaces of premolars and molars (surfaces of the teeth that touch when you close your mouth) Class III GV Black - ANS Decay is diagnosed in the proximal (mesial or distal) surfaces of incisors and canines, and it involves in anterior teeth. (from not flossing) Class IV GV Black - ANS Decay is diagnosed on the proximal surfaces of incisors and canines, involving the incisal edge or angle of the tooth. Class V GV Black - ANS Decay is diagnosed in the gingival third of the facial or lingual surface of any tooth. (gum line) Class VI GV Black - ANS Decay is diagnosed on the incisal edges of the anterior teeth and the cusp tips of the posterior teeth. It is caused by abrasion (wear) and defects. (think of teeth grinding) Operator's Zone - ANS -right-handed— 7:00 to 12:00 -left-handed— 12:00 to 5:00 -the area where the person who completes the procedure is seated Transfer Zone - ANS -right-handed— 4:00 to 7:00 -left-handed— 5:00 to 8:00 -the area where instruments and dental materials are exchanged between the dental assistant and the dentist. Assistant's Zone - ANS -right-handed— 2:00 to 4:00 -left-handed— 8:00 to 10:00 -the area where the dental assistant is positioned -the assistant's mobile cabinet or rear delivery countertop can also be positioned within this zone Static Zone - ANS -right-handed— 12:00 to 2:00 -left-handed— 10:00 to 12:00 -located directly behind the patient. -if the dental unit has rear delivery, the handpieces, the air-water syringe, and additional countertop space are positioned within the static zone. -portable equipment such as the nitrous oxide unit may also be positioned in the static zone. When you turn everything on in the office what are some things you turn on in the morning/off at night? - ANS -air compressor -vacuum unit -radiograph unit Fulcrum - ANS Stabilization/Finger rest used when one holds an instrument or handpiece for a specified time. Charting colors & what they mean? - ANS -red: tx needs to be done -blue: completed tx During surgery what kind of water should be used? - ANS sterile What triturate's material - ANS amalgamator (shake) What is the goal of economics? - ANS to stay healthy while working the work more effectively How to make a patient feel more comfortable and relaxed - ANS -answer any questions they ask -reassure them -make them feel comfortable , let them know whats going on What is the supine position? - ANS lying down, face up