Dental Ergonomics, Part 2: Chair Position With Full Manikin
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- Опубликовано: 10 июн 2024
- By enabling the dentist to assume a more natural and comfortable posture, ergonomics in dentistry means attaining patient-friendly treatment, enhancing treatment efficiency, and achieving treatment accuracy. This video is about CHAIR POSITION WITH FULL MANIKIN.
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Thanks for watching! 
Кино
I can't believe they don't teach us any of this at university. Do they expect students to learn this by themselves? Thank you doctor for this information. Your channel is a gem. Greetings from the Middle East!
My pleasure! Thank you for your comment, Dr. S
I think they do lolol. The professors at my uni only yells at us and tell us to learn by ourselves.
Mine too !
Same here . They never taught us any of this , they ll show it theoretically to ask about it in the exams but never in a practical situation lol
Srsly they don't fucking teach us this .. which is way more important!!
I cried after watching this video😢you are a life saver
So happy to help - Dr. S
Your students are very lucky to have you. And we are also lucky to have found your youtube videos and learn from them. Thank you doctor. You are doing a great job.
Thank you Doctor - very kind of you.
This is such a phenomenal video. You are one gem of a person. No body teaches these basics. Thank you so much doctor.
My pleasure Doc - thank you! Dr. S
God of dentistry !!!!
Planet is blessed with people like you !!!
love from india !!!
I keep on watching your videos !!!
Your skills are superb doctor !!!
So nice of you!
Super helpful video. They should teach this in ALL dental schools from day 1. THANK YOU so much Dr. Stevenson!
Thank you!
You are so encouraging. Thank you!
You have a true gift for teaching and empathizing with students, Dr. Stevenson. Thank you for sharing that gift with us. All of your videos have been tremendously helpful to me, from my preclinical years to now seeing patients.
That's great - wishing you the best. Thank you.
You are an angel for making this video! Thank you for making this video and saving our backs! Cheers from the UK!
My pleasure - thank you! Dr. S
The best ERGONOMICS training. Thanks for sharing.
My pleasure!
Thank you so much. I'm in fourth year and I found your ergonomics lessons really helpful for me before heading to the clinics. You are a true gift to this planet.
Thank you and best wishes, Dr. Stevenson
Thank you so much, Doctor! This is quality information, thank you for sharing! Greetings from Romania☺️❤️
Greetings! Thank you.
Very much thank you for all that knowledge.. watching you from Iraq
I've been looking for something similar veryyy long , massive thanks
So happy you found me!
Thank you doc.!🙌
Doctor Stevenson I have been watching your videos, I Want you to know that you have made me a better student. I do live streams in Facebook and everytime I watch your videos here I always mention your videos to my fellow students that watch my streams. Thankyou doctor you are one of my inspirations in the field of dentistry ❤️
Thank you David - this is great! Keep in touch. Dr. S
I am a final year student from India and none of these has been taught to us THIS BEAUTIFULLY...its a shame...but luckily I found you sir. I heartily thank you for explaining this basic things.
So nice to hear you found me! Thank you for watching.
@@StevensonDentalSolutions ❤️❤️❤️
@@shourjosarkar6582 Thank you!
Doctor your channel is brilliant for us ... thank you for this useful information.
God bless you 🙏
Great to learn - thank you
thanks for the knowledge dr, greetings from Chile!
Hola!
Thanks my great Dr. A lot of greetings from Egypt ❤️❤️❤️🤗
My pleasure!
awesome work doctor thank's for sharing
My pleasure!
this vid is soo good, 10 times better than everything we learned at our uni
So nice to hear this! Thak you.
Very helpful, thanks a lot
I'm a student and i'll have my first "dummy classes " on operative, fixed pros. next semester , actually that was really helpful for me to start practice dental posture efficiently from the beginning of the pre-clinical and clinical journey , can't say but thanks a bunch 💐 finally I appreciate your advice at the end you're not only a doctor but also wise man !
Thank you and best wishes!
Greetings from Jalisco México Dr. Stevenson..very clears and helpfull all yours videos thanks so much.
Muchas Gracias!
Thank you so much for the video! It was really helpful:)
My pleasure!
Dr. Stevenson, thank you! 🙏🏽
- D2
My pleasure! Dr. S
Beautiful video never learned this never taught this way
Cool!
Excellent sir
Thank you so much!! God bless you!
My pleasure!
Thank you Doctor
Thank you doctor 💛
So helpful
Menna from Egypt🇾🇪
Great - thank you for watching!
Thank you for the info if i had teachers like you i believe i'd be more brilliant at my studies
so nice of you.
Thanks doc, really helpfull
Great - thank you for watching!
You’re amazing, Dr. Stevenson! I am a D2, and I wish we had you at my school. :-D
So kind of you! Thank you for watching.
Thank you Dr for an amazing video
My pleasure! Dr. S
Thank you for the great content Dr. Stevenson, I am looking forward into taking a couple of courses with you soon. Just a suggestion for content, it would be nice if we could see a video of you doing this preparations in an ergonomics perspective and narration of what you’re looking at and watching for in the moment . Thank you very much for all the knowledge.
Coming soon! Thank you
I am about to prep crowns for #2 and #15 on patients. Was not sure how to position effectively as in school we were not taught about how to position myself and patient's head properly. This video is very helpful.
Great - best wishes on the preparations!
Thank u so much for sharing 💜
My sincere pleasure!
Thank you for this class professor.
My pleasure! Dr. S
Thanks you doctor for share video 🥰🥰🥰🥰
Thanks doc...very good video 🇨🇺🇨🇺
Great - thank you
THANK U SO SO MUCCCCHHHH !!! THE BEST DR EVER !! I WANNA MEET YOU ONE DAYYY
Awesome!
Good job, sir
Thank you Doctor!
They way you teach is superb. Can't wait to attend a session with you next week. Positioning is very critical and great you considered making a video on it. :)
Thank you Doctor! See you soon!
Good video 🥰🥰🥰🥰
Great video
Thanks Jaspreeet!
Amazing video, Dr. Stevenson! Can't thank you enough. Any tips on how to prep a proximal box without the head of the hand-piece blocking your vision? If I move the mirror at an angle - like off to the side to visualize - then I wouldn't have the hand-piece/mirror all in the same plane. Really been struggling with prepping a box without constantly drilling a little and then checking. Also, it seems like at some point when I am drilling and I go deep enough in the box it is nearly impossible to see the depth of the box even with the mirror at an angle in relation to the hand-piece. Hopefully that all makes sense. Any tips would greatly appreciated! Sorry it is a silly question. Thank you so much!
Yes, this is often frustrating. Loupes help with a headlamp. The water might be an obstruction as well - refining may be done dry. Try direct vision whenever possible for tough access situation. Best wishes!
Thanks so much👍🌹
My pleasure!
Awesome 🔝
Great thank you
Thank you doctor i dont know why thy didnt tech us these positions in colleague
I don’t know how to thank you so much help 💜😭😭😭💜💜💜
GREAT! Thank you for watching.
Beautiful. Really loved this video as it brought back the basics.
I have difficulty seeing the labial margins of upper anterior teeth during crown preparation when at approx 12 position. It is difficult to judge how deep I have prepared the labial margins. Do you use direct vision or a mirror?
Any tips would be really appreciated.
Thanks - I use direct vision.
Thx u sir ...
For sure! My Pleasure.
U are amazing
Thanks alot💙
Thank you - my pleasure.
@@StevensonDentalSolutions
Can you make a video about class 1 preparation when you have the time
@@user-sz2wf5xt8p Great idea! I will
Very nice
Thank you!
That's a great video Dr. Stevenson. I have some problems with my finger rest and ergonomics while doing crown preparation on Upper Left 2nd Molar. Can you suggest some advice? that's really important for me. Thank you Dr.
Usually it's the position of the head that presents the challenge. Have the patient turn away from your to access the lingual and extend the handpiece further way from your grip and rest on the opposite arch (no opposing arch). For the facial, have the patient turn towards you and place your rest on the premolars. Give it a try!
Doc, do you use direct vision when doing buccal reduction on 1st quadrant of upper posteriors? Especially 2nd molar?
Any tips on visualization with water spray? Especially with indirect vision my mirror head immediately gets covered with water from the hand-piece. How to work around this?
Position the mirror a but further away - use loupes and a headlight and have an assistant blow air on the mirror - if by yourself, cut a little then look, etc.
Soap!
@@mohammadshakeri9701 Soap is mentioned in a lot of books but doesn't really work IRL.
Mohammad Shakeri how?
couple of options I've used over time. 1. can dip your mirror head in really dish soapy water prior to working. 2. can get a water repellant coat for your mirror, many maker out there. 3. buy a mirror head built in with the coating.
I prefer these over the air spray method cause that just spreads around the water in your mirror, rather than actually making it a clearer image.
Its nice to get refreshed again with the ergonomics of working; positioning and holding the handpiece>
Dr.Stevenson, may I ask; how does this translate to working with microscopes and loupes where you are pretty much stuck in one position.
With the scope it's an entirely different game. I ask the patient to move more ofter, and take more time setting up the best orientation of the scope for the task at hand. Restorative work is a hybrid for me of scope and loupes...
Thanks a lot! Any tips on avoiding tipping the handpiece when preparing teeth?
Line up the handpiece while looking at the entire environment. THEN, lock in your finger rest and focus with your loupes on the prep - the handpiece will not tip - the finger rest secures the handpiece along the x, y and z axis.
Thank you very much for the video, Dr. Stevenson. I'm just starting to learn class 2 preparations, and I'm having some difficulty with class 2 preps in the lower molars. Would you recommend sitting at 7 o' clock if I'm doing a #30 MO prep?
I would. Then change to 11 or 12 to visualize the box with direct vision for refinement.
Amazing dr, greeting from Egypt .. could you please tell us what position u see appropriate while preparing palatal cusps of maxillary right molars for pfm crown? Thanks in advance, Dr
11-12 O'Clock - for the facial incline you'll need to invert your grasp
Sincerly thanks you very much your videos are juste perfect in just gratful that i discovre your chanel
Thank you for this! More videos are in the works!
Dr. Stevenson great video thanks for explaining ergonomics so well !
Can you please tell which song it is that you used in the title ??? I would appreciate it
Thank you. It's jingle from iMovie called Celestial Body (Short)
Remembering my 1998 doctor
Thanks for this class
Thank you!
Greetings from Egypt 🇪🇬
Ain Shams University
Hi!
Hi Dr. Stevenson , i find mesial in lower left molars-premolars very difficult to prepare , wich position should i try? and direct or indirect vision?
Your videos are great!
Try 7 o'clock with the mirror and direct from 12 o'clock - these are indeed challenging! Thank you.
Help me a lot！
Great!
Doc everytime I am working on upper teeth, (palatal face of the teeth) and i am using my mirror it gets full of water and I can't see a thing. What would you recommend?
Hello, doctor! Thank you for sharing your video. It's difficult to prepare #24~27 teeth DL line angle. Where should I place the mirror to see and prepare it clearly.
When preparing #24~27 teeth DL line angle, I'm at the 11 O'clock position.
I agree - I use the 7 O'clock for these situations
Thank you Dr for you informative video, I still have some problems with my ergonomics during crown preparation of #27. Can you suggest me where should I place my finger rest position, which clock position should I be performed for the buccal and palatal surface of #27 ?
For this prep I like to face the tooth from the 7 o'clock position and lay the side of my fingers on the anterior teeth while prepping the facial. This is good for the mesial and distal interproximals. For the lingual, I have the patient sitting upright and up high in the chair and do this with direct vision, while they turn away. Hope this helps!
I would like to ask you what position do you use as right handed operator for class ll on the lower left molars ??
I have been using 7 or 9 o'clock with direct vision on the dummy head but l can't imagine how it will be on the patients especially with limited mouth opening ???
You're doing fine - then add the 11-12 o'clock to reach the rest of the prep. It actually works better on the patient for some reason.
Very helpful. Thankyou for this video.
I have a hard time having proper visualization in the proximal box of MO 29 from 7 O’ clock position. Can you guide please.
I usually start the prep at 7 and finish the box at 11-12. Keep trying different positions - even 9...
Which position is the best for class 1 preperation on tooth no. 46?? Btw the explanation was amazing! I'm glad that I found your channel on RUclips. 😀
I usually use 7 o'clock for the initial depth and outline and then switch to 12 o'clock to see the details and finesse the outline.
@@StevensonDentalSolutions Thank you Sir 😀👍
@StevensonDentalSolutions Hey doc! Question about your finger rest while drilling. If you were prepping the axial facial/lingual surface of a tooth for a crown prep, will your finger rest slide as you move across the tooth? I have the tendency to move my fingers to reach further when my finger rest locks me into a shorter distance. Thanks!
Hi - no sliding at all. The key to a finger rest is that it will remain stable. Only your wrist/arm/shoulder moves...
Dr Stevenson, I would love to hear your thoughts on some of the new ergonomic loupes that are on the market. Lumadent makes the ergoprism and designs for vision makes the infinity vue. Would you advice against these loupes? Have you heard any feedback about them?
Thanks!
I think that if you start with these, you're going to be in good shape. The problem is with those who have short distances, like 350 mm, they will find it hard to change focal length and head position. Make sure that the optics use prismatic lenses, not Galilean.
Thank you for this informative vid.
Just quick Question!
When preparing buccal and lingual # 18 or 19 crown prep, you would consider sit around 9 o’clock? If i sit at 11 o’clock then isnt it easy to do buccal side prep with direct vision??
For 18-19 buccal, I actually prefer 7 O'clock with the patient upright. I will also recline the patient for the buccal during finishing especially to gain access from a different view...
Thank you for the video! I have an at-home lab because we are unable to practice as much at my university and I'm wondering if you would be willing to share where I could buy that mannequin setup?
check out the Charlie Manikin on stevensondentalsolutions.com
But sir...water from airotor block our indirect view on mirror... because it makes mirror wet....what to do then??
Darshan Doshi over mirror back,further from tooth.but keep the line same
Thank you so much doc i hope they teach us this in university.. i really dont get it why i hate practicing, turns out i hate that i can never felt having a proper position to see the teeth clearly
I have difficulties in doing open access in mandibular molars. What position do your recommend doc? I used indirect vision from 7 o clock position. But i still cant get full view because of the cheek, the big handpiece, the tongue.. and everything else. Removing small deep caries is really hard because i cant see anything while prepping. Please help doc..
After starting at 7, switch to 12 and use the mirror - hang in there!
Thank you so much Dr Stevenson, we are not allowed to use cross arch finger rests except in anterior maxillary teeth .I struggle with occlusal surfaces buccal and lingual cusp of upper first molar Which position do you recommend and where to place the finger rest. Could my fingers be too short to achieve the finger rest?
Oh that's too bad...move to the same side but place your rest on the central or lateral.
@@StevensonDentalSolutions thank you
11:10 finger rests on opposite arch
12:09 class V maxilla
Yes
Doctor, what is better: utilizing the left or right leg to press to use the hand piece?
Right is usually best - this will keep the peddle away from the assistant's side...
Doctor thank you for teaching us those tips !
But i have a question..
How can i do an occlusal reduction for the lingual cusps of upper molars ?
You'll need to rotate the handpiece 90 degrees, so that it is nearly upright, then prep the facial incline of the lingual cusps (on the right side) and the Lingual inclines of the facial and lingual cusps (on the left side), assuming you are working from the 11-12 o'clock position and are a right handed operator.
@@StevensonDentalSolutions oh Dr thank you so much for the reply! You are the best instructor ever! ♥️
@@aliaelfaham6131 Thank you - Happy New Year!
Any tips for when water is obstructing your indirect vision? I find this happens so much that I struggle with indirect vision generally. Then end up in unergonomic positions trying to compensate!
I keep my mirror a bit farther away, and turn don the water spray. Refining with little of no water is best and safe for the pulp.
yu dey save men oh
Hi, Dr. In Which position do you do reduce the lower anterior tooth lingual side?
esp. #23~26 teeth
Using the dental mirror view?
And do you do reduce relying on your sense?
Tough area to work - a combination of 11 O'clock and 7 O'clock - even with full crown preps, I use rubber dam isolation to help...
@@StevensonDentalSolutions thank u.
Hi Doctor! I was doing a patient today (maxillary 7 of first quadrant) and was trying to prepare a class 1 cavity in indirect vision but the problem was when I line up the handpiece and mirror the head of the handpiece just blocks the mirror and I can't see anything in the mirror...What should i do?
Try moving the mirror in front of the handpiece, rather than behind it.
Hi DR. Thanks for this. I am having a lot of troubles seeing what I am doing when performing ENDO on 36/37, any tips please ? The mirror get either blurry or wet ... I don't have an assistant
rubber dam is essential. of course and then turn the water down low - now need to lots of water for an endo..
@@StevensonDentalSolutions Thanks ! I didn't think about turn the water to low, and yeah it was a case where I couldn't put the rubber dam (37 that is not fully erupted). I def. should try harder to find a way to put the rubber dam
@@drsiphna3822 On these partially erupted teeth I'll lay an envelope flap then place the retainer.
I find that working with indirect vision is nerve wracking , especially if I am prepping class 3 on lingual of maxillary anteriors or doing a crown prep, how can i trust myself with the mirror?
Lots of practice. It will take years to feel comfortable. Dentistry is hard!
Hang in there.
@@StevensonDentalSolutions really . Anyone can get the hang of dentistry ??
from Where can I get this dummy head system ? Any link pleas !?
We will have on our site in January.
I feel bad for every dental student who was in school prior to 08/09/2019. I can't imagine learning dentistry without watching this video.
You are most kind! Thank you, Dr. Stevenson
Operating with mirror is like driving your right-hand car in a country that is left-hand driving while your arms crossed on the wheel
Sir please make a video on ergonomics for class 2 cavity. Need some advices on the proximal box step which i always mess up blindly 😩
Oh, this is a good suggestion! I will do my best but it may take a few weeks. Super busy. Use direct vision as much as possible and get used to different angles and try many different approaches. Also, know that the box is about as tall as a 245 bur and about twice the depth. This should allow you to keep the bur away from the adjacent tooth and not over extend and blow out the gingival wall. Once you have a basic shape started, try the following: Set up your approach globally, then use your finger rest to hold you position, then look through your loupes and make small cuts, then look and evaluate, then try again. Usually the best thing to know is this PREPPING A GOOD BOX IS REALLY REALL HARD! It should be done like microsurgery at first and then eventually you'll get faster and keep it nice. You'll need to practice at least 100 boxes before you get over the first hill...but don't give up! Dr. S
@@StevensonDentalSolutions Wow Sir Thank you so much for this piece of info😇👌. Being a 22 year old student I have done only 5-6 class 2 preps in my college and they dont allow us to use loupes so may be it feels tough. But surely am motivated now to not give up. Thank you so much sir 👍
@@gamefever1892 Hang in there! You have the passion and that's the most important part.
I am a huge fan of your channel, but here in Mexico, it is difficult to aquire the products you use, wish I could get my hands on all the wonderful materials and instruments you use!
I hear you! I wish we had a way to get things to you!
Hi Dr. STEVENSON, I would love to connect with you.
You can reach me through our website contact portal.
any Link for buying this system ?!
We will have a better version of this in January. Stay tuned!
I think dr Stevenson has a discrepancy in this literature ..:P
I was listening to you as my mentor .. I think you didn't mention that there are anatomic planes of teeth that could not be treated without mandibular finger support.. or did I misunderstood the information?
thank you even if you didn't reply .. I admire your "logical" passion in restorative dentistry..
Not sure which part you are referring to but we always use a finger rest but it may not be in a conventional location - it might even be on the opposing arch...Wishing you the best.
13:10