Ergonomics in Dentistry GN PDF

Ergonomics in Den-stry Intended Learning Outcomes By the end of the session the student will be able to:  De#ne ergonomics in den.stry  Explain the main goals of ergonomic design goals  Discuss risk factors for Musculo-skeletal disorders  Discuss the key baseline principles of ergonom...

Ergonomics in Den-stry Intended Learning Outcomes By the end of the session the student will be able to:  De#ne ergonomics in den.stry  Explain the main goals of ergonomic design goals  Discuss risk factors for Musculo-skeletal disorders  Discuss the key baseline principles of ergonomics in den.stry (including the use of the dental mirror)  Demonstrate these principles through clinical posi.oning 2  work study of What Do We Mean by - Ergonomics in Den-stry?  ‘Ergonomics’ is the science of making environment making safe. - workspaces mee.ng the needs of the workers (rather than vice versa).  In den.stry, this means making sure that dental prac.ces support & promote the healthy movement and good posture of ALL its staG.  Aiming to eliminate the musculoskeletal pain that sees many dental careers end Image from GFYCats Google Feb before their.me, and will enable you to 2021 provide the best possible experience for staG and pa.ents alike. · pain can affect patient care. 3 Main Goals of Ergonomics Reduce over exer-on injury Minimize fa-gue Removing unnecessary tasks, steps & eQort OQer more opportuni-es for job sa-sfac-on, comfort & fulRlment 4  All link together · Consequences of Poor Ergonomics Loss of earnings Pain & money Acute / Chronic spending Impac-ng Poor Impact on mood treatment Impacts outcomes Ergonomics and well-being. patient Accidents and Shorter career injury Why should we care? 70% of Dental Students reported lower back pain by 3rd year Present in up to 81% of dental personnel Impacts income & Common reason performance for early re-rement 6  Risk factors for Musculo-skeletal Disorders Handpiecc/ultrasonic ~ Vibrations Poorly designed from room. tools static Pre-disposing - MSD's Poorly Vibra-ons designed from room tools positioning Musculoskeletal Pre-disposing Sta-c Repe--ve posi-oning Excessive MSD’s movements force Minute grasping disorders Excessive Repetitive force movements. Minute Periodontal care S grasping. I fingers & Intricate space work. 7 Image from op-onsHR webpage Google Feb 2021 Carpal tunnel. 8  Ergonomics in Ergonomics in Den-stry Den-stry Equipment / Work Instruments Sta-on different Hand instruments Power-driven Ligh-ng MagniRca-on Operator&pa-ent Weight etc chair posi-on Posture Pa-ent Clinician 9 Work Sta-on 10 Surgery Design Image from Hague Dental Google Feb 2021 Image from Eclipse Dental 11 Google Feb 2021 12 Ligh-ng 13 · overhead light natural lighting if possible · Image from Google Feb 2021 Image from Google Feb 2021 14  light. patientmin see out overhead /Never a Dental Overhead Lights · Ideally withsensor so you don't have to touch.  Should be even in distribu.on  Shadow free -  Accessible  Moveable  Allow for side angula.on -  Intensity adjusted for materials manipula.on - Image from Belmont Google Feb 15 2021 It has to move!! Stretch your arm Image from Pocket Den-stry Feb 16 2021 Operator & Pa-ent Chair 17  /Personal preference - Operator Chair - flowability Image from Google Feb 2021 · comfortable/easy  Mobile  Glide  Stable Saddle Seat Seat with back  Lumbar support - height-angle.  Adjustable  Adjustable for diGerent body sizes Saddle seat with  Pa.ent access Flat seat with back back 18  20 Stone limit round. Pa-ent Chair Pa.ent comfort Pa.ent Access Stable upIdonT Adjustable headrest - Support for head – - torso- feet - 19 Operator Posi-on · OPTIMAL Session effective instrumentation : Lighting · · operator position · patient position. 21  lower back · front/come supporting Slight head tilt ·. Operator posi-on · & Straight line shoulder  What does neutral mean? buttocks -  All joints and limbs are in a · Thigh-parallel to floor neutral posi.on, not extending · Knee-perpendicular to pressure or requiring eGort floor. 1. Feet - 2. Knees - 3. BuYocks - 4. Elbow - 5. Shoulder - 22  Images from UCLH Feb 2021 X 23  easier to more around without floor ! Have feet flat on - Straining back. Feet cause tilting of whole body. X Image from UCLH Feb 2021 Image from UCLH Feb 2021 24  Gneutral thigh parace Knee perpendicular - Image from UCLH Feb 2021 Image from UCLH Feb 2021 25  line with clinicians elbows In patients & Finding the pa-ent height Images from UCLH Feb 2021 26  to but apart slightly perpendicular floor · neutral position Knees - I 27  Images from UCLH Feb 2021 Bubocks X 28 Correct Bubocks ~ sit evenly. ↳ do not lean to 1 side. 29  have flex does some Back Images from UCLH Feb 2021 ok. ~ X 0-20 filt : - 30 Images from UCLH Feb 2021 31  again o -20 opening OK. fluid/relax Arms / Elbows 32  ~ Images from UCLH Feb 2021 X Y Shoulders relaxed !! again keep ↳ helps Stay neutral ↳ minimizes tension headaches 33 X arms down ! 34  eachother -hands facing - neutral. Hands 35 So what is going on here? a hunche Patient on - to arms high X Twinhigh - culfe knees -knees to ~ feet of a part bar X 36 X 37 Pa-ent Posi-oning 38 Patient positioning ! head in headrest Pa.ent’s head should be even with the upper edge of headrest Maxilla – angle head rest back – chin up Mandible – head rest forward and down - chin upslightly - down # Change vertical height down slightly I patient flatter 39 X 40 The Dental Mirror Friend or Foe? 41 The Dental Mirror  Mirror is your best friend  Mul.func.onal  Not an op.on but mandatory  Needs care - don't lastforever.  Comes in varying sizes  Magni#ca.on -vary. 42 Image from Aliexpress Webpage Feb 2021  functions Uses of the Dental Mirror -tongue -URPalatal cheek - blind spot ↑ I have to use Indirect vision mirror ! Retrac-on - soft tissues resonate light through mirrora kin - anteriors to view caries Indirect provide - lighting Transillumina-on lesions illumina-on. 43 Mirror Fun – you will need join the dots print outs 44  not fixed boundaries Clock Posi-ons -7 -Operator zone = Lee Handed Right Handed 45 Image from Dentalcare Webpage Feb 2021 Image from Dentalcare Webpage Feb 2021 Sense Check ~ Its ok ! breath take a  Are you nervous?  Are you able to think?  Can you reach the pa.ent? #  Are you neutral?  Are you moving yourself out of neutral?  Are you a squirrel? don't be a -.  Chair & pa-ent head squirrel Y RELAX posi-on !!! 46 Clock Posi-on 1 -11 3 -4 3 1-2 47 Pa-ent’s head – MOVES! 48  operator position Right Handed Clinician to sit at neutral What position comes first. allows me 54 Posterior Sextants (Head away) Lling LBb.  Neutral urb  Look at hands ULp  Pa.ents head away  Chin up & chin Down 55  Posterior Sextants (Head towards you) because LRIing easy patient turned head. Lb use of mirror with  Neutral vision. ULb indirect  Look at hands URp  Pa.ents towards you  Chin up & chin Down  Indirect vision for sure 56 Anterior  Head moves slightly  This is about power & e`ciency  Think about turning a door knob  Easier clockwise maximizing power with minimal effort 57 Anterior  Head moves slightly  This is about power & e`ciency  Think about turning a door knob  Easier clockwise 58  hYps://link.springer.com/chapter/10.1007/978-3-030-31772-0_2 59