Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
The clinical assistant assumes the important responsibility of preparing treatment areas, assisting the dentist in procedures, and carrying out expanded functions. Doctor and Assistant; Doctor and 2 Auxiliaries Purposes: › Relieve fatigue/Reduce stress › Increase production › Increase patient comfort › Improved quality of care Components of work simplification › Decreased number of instruments. › Sequencing of instruments on the tray by their use › Correct positioning of the patient, dentist, and assistant › Use of appropriate moisture-control techniques. › Transfer of instruments and dental materials as necessary › Use of the least possible amount of motion › Performance of expanded functions by the assistant Copyright © 2009, 2006 by Saunders, an imprint of Elsevier Inc. All rights reserved. Patient › Lowered to the supine position › Head even with the top of the headrest › Final adjustments made by the operator › Define: supine and subsupine/Trendelenburg position Operator positioning › Seated as far back as possible. › Thighs parallel to the floor or knees slightly lower than the hips › Feet flat on the floor › Backrest of the chair positioned to support the lower portion or small of the back › Operator’s forearms bent at the elbow and parallel to the floor Copyright © 2009, 2006 by Saunders, an imprint of Elsevier Inc. All rights reserved. Dental assistant › Seated back on the stool › Feet on the base or foot ring of the stool › Positioned as close as possible to the dental chair › Legs parallel to the patient’s chair › Eye level 4 to 6 inches above the eye level of the operator Copyright © 2009, 2006 by Saunders, an imprint of Elsevier Inc. All rights reserved. Basic concept required for the efficient, comfortable practice of team dentistry Copyright © 2009, 2006 by Saunders, an imprint of Elsevier Inc. All rights reserved. Copyright © 2009, 2006 by Saunders, an imprint of Elsevier Inc. All rights reserved. Copyright © 2009, 2006 by Saunders, an imprint of Elsevier Inc. All rights reserved. Operator Zone area where the person who completes the procedure is seated Assistant Zone area where the dental assistant is positioned Transfer Zone area where instruments and dental materials are exchanged between the dental assistant and the dentist Static Zone located directly behind the patient Operator Zone (right handed) 7 to 12 o'clock Transfer Zone (right handed) 4 to 7 o'clock Assistant's Zone (right handed) 2 to 4 o'clock Static Zone (right handed) 12 to 2 o'clock Operator's zone (left handed) 12 to 5 o'clock Transfer zone (left handed) 5 to 8 o'clock Assistant's zone (left handed) 8 to 10 o'clock Static zone (left handed) 10 to 12 o'clock Three basic grasps › Pen grasp: The instrument is held in the same manner as a pen. Used with angled shank instruments › Palm grasp: The instrument is held securely in the palm of the hand. Used with pliers or hinged instruments › Palm-thumb grasp: The instrument is held in the palm of the hand and the thumb is used to stabilize and guide the instrument. Used with straight shank instruments Copyright © 2009, 2006 by Saunders, an imprint of Elsevier Inc. All rights reserved. Class I: finger movement only Class II: finger and wrist movement only Class III: finger, wrist and elbow movement only Class IV: entire arm from the shoulder movement Class V: entire upper torso movement Understand the sequence of procedures and anticipate when an instrument transfer is required. Transfer dental instruments and dental materials with the left hand when working with right-handed operator. Transfer with right hand when working with left-handed operator Transfer of instruments should be accomplished with a minimum of motion, involving only the fingers, wrist, and elbow. Instruments are transferred in their position of use. An instrument is transferred so that the dentist can grasp the instrument for its appropriate use. An instrument being transferred must be positioned firmly in the dentist's hand. Pickup instrument from tray using thumb, index and middle finger Come in parallel to instrument in operator’s hand Retrieve instrument using last two fingers (ring and pinky fingers) Place new instrument firmly in operator’s hand Variations in instrument transfer › Mirror and explorer › Cotton pliers › Handpiece › Instruments with hinges Copyright © 2009, 2006 by Saunders, an imprint of Elsevier Inc. All rights reserved. Understand dental anatomy. Follow guidelines for operator positioning. Develop intraoral mirror skills. Use an intraoral fulcrum. Understand cavity preparations. Adapt instrumentation. Apply dental materials. Evaluate the expanded function. Copyright © 2009, 2006 by Saunders, an imprint of Elsevier Inc. All rights reserved.