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Chapter 17 / 18 Introduction to Dental Assisting
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The Dental Office Reception Room Not a ‘waiting room’ 1st impression
Neat and Clean Pt should feel Comfortable Welcome May have a children’s area.
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The Dental Office Reception Desk Dental treatment room
Appointments are made here. Records kept in this area Neat, clean, organized. Dental treatment room Operatory Exam room Treatment room Designed for Doctor Restorative Hygienist Prophylaxis
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The Dental Office Darkroom Laboratory X-ray processing room.
X-rays are developed. Automatic processor Manual dip tanks Laboratory Used to make / adjust. Crowns Bridges Dentures.
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The Dental Office Sterilization room Optional rooms
Dirty instruments are cleaned and sterilized. Dirty side. Clean side. Storage area for Material Supplies Neat and clean at all times. Optional rooms Dentists private office Staff lounge Lunchroom File / chart room Patient education area Consultation room X-ray room
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Dental Equipment Dental Chair Will move Keeps pt. Treatment chair
Patient chair Will move Up + down Recline Upright Rotates Keeps pt. Supine Subsupine
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Dental Equipment Dental Unit Where the tools are located. Drills
Instruments Suction Rear delivery Front delivery Side delivery
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Dental Equipment Dental handpieces Drill High speed handpiece
Holds Friction grip burs Low or slow speed handpiece Latch type burs Speed of both is controlled by the rheostat
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Dental Equipment Amalgamator Cure light
Machine that ‘triturates’ dental material. (mechanically mix) Amalgam Glass ionomers Cements Cure light Light cure unit Equipment that ‘polymerizes’ dental materials (set or harden) Composite Sealants
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Dental Equipment Air-Water syringe HVE LVE (saliva ejector) Evacuates
3-way syringe Tri-syringe Squirts water Blows air Sprays a mist Needs a tip to work HVE High-volume evacuator Evacuates Fluid Debris Aerosol spray (mist) Retract LVE (saliva ejector) Evacuates fluid
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X-ray Equipment Unit Control panel Button Processor View box
Takes the x-ray Control panel Adjusts the settings Button Activates the unit Processor Develops the x-ray View box Illuminates the x-ray
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Dental Stools Assistants Stool Provider stool Lumbar support Foot ring
4-6 inches higher than provider Feet on foot ring Provider stool Doctor Hygienist Assistant Thighs parallel w/floor Feet flat on floor
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Sterilization Equipment
Ultrasonic ‘cleaner’ Vibrates debris off of instruments Bio-burden 3-10 minutes Cavitation process Air bubbles that implode. Run w/ lid or cover.
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Sterilization Equipment
Autoclave Sterilizer Steam ‘most common’ Distilled water Kills all ‘germs’ Heat Time Pressure Biological monitor Ensures sterilization has occurred
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Sterilization Equipment
Cold sterile Sterilize heat sensitive items / instruments 10 hours Overnight High level disinfectant Glutaraldehyde
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Sterilization Equipment
Autoclave bag Sterilization pouch Holds instruments during the sterilization process. Self-sealing Process indicator Color change ‘dot’ / ‘arrow’ on back of bag. (tape) Has been ‘heated’ Does NOT indicate sterile!!!!!
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Dental Instruments Mouth mirror Explorer Cotton pliers (forcep)
Dental mirror Look at tooth (indirect vision) Reflect light Retract Explorer Check for caries Are you NUMB? Cotton pliers (forcep) Transfers items to and from mouth
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Instrument Transfer One handed Two handed Concepts of dentistry
Utilizing a different type of grasp(s). Pen grasp Modified pen Palm Palm-thumb Reverse-palm Concepts of dentistry 4 handed 2 providers 6 handed 3 providers 8 handed 4 providers Assume all have two arms and hands.
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Activity Zones Right-handed Dr.. Operator Zone Assisting Zone
7 – 12 o’clock Assisting Zone 2 – 4 o’clock Transfer Zone 4 – 7 o’clock Static Zone 12 – 2 o’clock Reverse the zones for L. hand Dr.
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Maintaining the Operating Field
The tooth! How do you keep the tooth visible for the doctor???????? Pt. position Light Suction Keep mirror clean Mouth prop Retraction
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Conclusion Understanding your instruments, equipment and techniques will make you a better assistant. This is your intro to the dental world. Please review this material for testing purposes. Any questions?
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