Chairside Dental Assisting Test Questions and Answers

What is ergonomics? (Essay Question) - Answer-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 - Answer-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 - Answer-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 - Answer-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 - Answer-Decay is diagnosed on the proximal surfaces of incisors and canines, involving the incisal edge or angle of the tooth. Class V GV Black - Answer-Decay is diagnosed in the gingival third of the facial or lingual surface of any tooth. (gum line) Class VI GV Black - Answer-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 - Answer--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 - Answer--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 - Answer--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 - Answer--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? - Answer--air compressor -vacuum unit -radiograph unitFulcrum - Answer-Stabilization/Finger rest used when one holds an instrument or handpiece for a specified time. Charting colors & what they mean? - Answer--red: tx needs to be done -blue: completed tx During surgery what kind of water should be used? - Answer-sterile What triturate's material - Answer-amalgamator (shake) What is the goal of economics? - Answer-to stay healthy while working the work more effectively How to make a patient feel more comfortable and relaxed - Answer--answer any questions they ask -reassure them -make them feel comfortable , let them know whats going on What is the supine position? - Answer-lying down, face up Surfaces of the teeth - Answer--Mesial -Occlusal -Distal -Lingual -Facial -Buccal -Incisial edge What do you use to remove debris out of the mouth - Answer-HVE When we are looking into the mirror what is that called? - Answer-indirect vision Control center of the dental clinic is located where? - Answer-dental opporatoryWhen transferring instruments what hand do we use? - Answer-left (always opposite of doctor) How to prevent eye strain? - Answer-look away for 20 seconds How to relieve stress on our back and shoulders - Answer--shoulder shrugs -rotate head Oral evacuation system should be flushed how often - Answer-daily Our charting system uses the geometric diagram, which is a - Answer-circle When you're taking x-rays how should the patient be facing - Answer-upright How to reduce contamination in the water lines - Answer-replace the water lines once a year What is the best accronomic chairside position - Answer-re-arrange items in the opporatory for easy use Instrument grasping techniques - Answer--pen grasp -palm grasp -palm-thumb grasp Repetitive extension of your wrist - Answer-communicative trauma disorder Universal Numbering System - Answer-identification of the teeth by: numbering the permanent teeth 1-32 lettering the primary teeth A-T Biofilm - Answer-bacteria and plaque that develops in the DUWLWhat class of motion is your finger and wrist - Answer-Class II When passing a dental instrument, the dental assistant should grasp the instrument: - Answer-at the end of the handle or the opposite of the working end How long should we flush the lines - Answer-20 minutes and 20-30 seconds after each patient How early should you get there before seeing patients - Answer-30 minutes What grasp to hold HVE - Answer-thumb to nose What is planktonic bacteria? - Answer-free floating bacteria in water