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    You are at:Home»DENTAL CARE»Four-Handed Dentistry Basics
    DENTAL CARE

    Four-Handed Dentistry Basics

    By Isreal Olabanji DST RNApril 16, 2021Updated:April 16, 2021No Comments6 Mins Read
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    What are the steps in four-handed dentistry?
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    Four-handed dentistry is a system for passing instruments between a dentist and his/her assistant that maximizes speed and efficiency during procedures.

    In this article show
    The benefit of Four-Handed Dentistry
    What are the Steps in Four-handed Dentistry?
    four-handed dentistry instrument transfer steps
    Chairside Assistant for Composite Filling and Extraction
    Composite filling
    Extraction

    Pick up the requested instrument with your thumb and index finger and pass it to the thumb and index finger of the dentist, orienting it so that the dentist does not need to make further manoeuvres to use it properly. At the same time, with your pinky, take away the instrument that the dentist is finished using.

    Four-handed dentistry
    Four-Handed Dentistry: Chairside assistant (mint-coloured glove) takes used instrument with pinky and hands over the requested instrument with thumb and index finger.

    The benefit of Four-Handed Dentistry

     In four-handed dentistry the dental nurse/surgery technician provides close support for the dentist, sitting on the opposite side of the patient. The actual position depends upon the operative procedure being performed, and upon the dentist wishes. The surgery technician places all-new instruments firmly into the dentist's hands, ensuring that day are the correct way round for use. He/she takes away each instrument after it has been used.


    It is therefore important for the dental nurse/surgery technician to have all instrument laid out in patients so that they are in reach to ensure the speedy and efficient, care of latter is not held up whilst, for example, a dental nurse searching for a matrix holder.

    He/she must ensure that the correct rotating instrument is in the handpieces. The cavity is washed and aspirated to ensure that the site of operation it's clean. Lips and check are retracted so that the dentist can see what he is doing. After the operation, a dental nurse should give post-operative instructions.

    What are the Steps in Four-handed Dentistry?

    Four-handed dentistry 2


    In the Surgery

     Doors to the surgery must be kept closed. Drawers and cupboards in the surgery should be closed immediately after use. Tidiness is indicative of efficiency.

    Cupboards and drawers should be kept clean by lining with self-adhesive materials, which can be wiped with a damp cloth lining should be removed periodically.

    Records, charts, radiograph, models, and photographs relating to the patient should be at hand. It should be presented in front of a dentist before a patient enters the surgery. When the patient enters there should be no signs of instruments or materialized on the previous patient.

    The bracket table, cuspidor, headrest, end of spray bottles, air syringes and handpieces should be cleaned after each patient. Fresh and clean saliva electors and mouthwash beaker are essential. Patients often complain that everyone seems to use the same beaker. Thus the disposable variety is appreciated.

    If the dental nurse makes a good impression with this minor details the practice we get a good reputation for its standards observant, patient watch out for quite ordinary details and can be very critical or what is seen.

     Seat the patient in the chair, with back and headrests adjusted correctly. The backrest top should be in line with the lower part of the shoulder blades. The headrest should be in line with the base of the skull so that the head is in line with the rest of the body.

    If superposition is to be used, give the patient some idea of how the chart will be adjusted. So that no alarm is caused. If the dentist and the technician are to site either side of the patient, this should be explained to the patient to keep in mind throughout any preparation so that they know what is to take place and what is expected of them.

    Place a clean napkin on the patient neck. Ensure that all instruments required for the operation are at hand, either on bracket table, trolley, or tray as desired by the dentist. Be aware of the dentist's routine with all his work so that every need can be anticipated and met. He should not have to ask for equipment. A well trained dental nurse has everything in readiness. He/she must, therefore, be familiar with the operation to be performed, the instrument and material to be used, and how to prepare them.

    four-handed dentistry instrument transfer steps

    In many busy practices, one of the team is constantly on the chairside giving necessary assistance, while another assistant is responsible for the materials, processing radiographs, and fetching and carrying the instrument when required.

    Talking and noise of any kind are kept to a minimum during operative procedures.

     The assistant who is acting as a helper should constantly clear aways used instrument and soiled materials and should prepare the former for sterilization.

    The use of dental materials is most important and these should be well understood and used correctly.

    Dental material is expensive to purchase. If the directions for use are not adhered to, a material will often be wasted and, more importantly, the dentist's work we are ruined. It is a good practice to keep a folder of all printed instruction so that they can be referred to when needed.

    Chairside Assistant for Composite Filling and Extraction

    Here are the basic steps for a composite filling and an extraction.
    The bulleted points highlight the general role of the chairside assistant at each step of the procedure.

    See also  Improve Oral Health With Wisdom Tooth Removal

    Composite filling

    1. Application of topical anaesthetic and local anaesthetic
    • Rinse with an air-water syringe after application of local anaesthetics
    1. Removal of decay and unsupported tooth structure with a high-speed handpiece
    • Use high-velocity evacuator to reduce aerosol and eliminate water and residue
    1. Application of etch
    • Use high-velocity evacuator to keep area isolated
    1. Application of bonding agent
    • Use HVE to keep the area dry and isolated. Cure with curing light.
    1. Insertion of composite
    • Pass requested instruments using four-handed dentistry.
    • Clean composite instruments with gauze immediately! Cure composite material.
    1. Polishing of composite with polishing burs
    • Use high-velocity evacuator to the suction residue and reduce aerosol
    1. Check occlusion with articulating paper

    Extraction

    1. Application of topical anaesthetic and local anaesthetic
    • Rinse and suction after application of local anaesthetics
    1. Separation of a tooth from periodontal ligament using periosteal
    2. Expansion of socket and further separation of a tooth from ligament/bone using small/large elevator
    3. Use of extraction forceps to remove the tooth
    • Never remove any tooth fragments from the dental tray until the procedure is finished! This is to ensure that the tooth was completely removed and no broken fragments remain in the extraction site.
    1. Removal of debris or infected tissue from the socket
    2. Compression of socket
    3. Irrigation of socket and rounding off of any sharp bone edges with a bone file
    4. Insertion of gauze in the extraction site. Possible prescription of painkillers/antibiotics.
    • Give patient extra gauze packets.
    • Give patient post-op instructions.
    See also  How To Enhance Your Smile

    Four handed dentistry

    RELATED READING

    1. Dental Amalgam tray set-up (Silver-Colored Dental Fillings)
    2. DENTAL TRAY SET-UP FOR CROWN PREP INSTRUMENTS
    3. 10 Basic Prophylaxis Tray Setup
    4. 12 Basic Suture Tray Setup & Wound Management
    5. 8 Oral Hygiene Tips for Healthy, White Teeth
    6. 7 Reasons Why Dental Cleanings Are Essential for Better Health
    7. Dental care tips you can start using today

    REFERENCES AND SOURCES

    • The University of California, San Diego pre-dental society
    • "Torres and Ehrlich Modern Dental Assisting;" Doni L. Bird, MA, and Debbie S. Robinson, MS; 2009

     

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    Isreal Olabanji DST RN
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    Am Isreal olabanji a dental assistant and public health professionals and has years of experience in assisting the dentist with all sorts of dental issues. We regularly post timely and trustworthy medical information and news. My goal is to enlighten everyone in all aspects of health towards participating in fitness, Dental care, healthy recipes, child health, obstetrics, and more.

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