What would I have done without this channel! Seriously, it is the best thing on the internet, thanks a million Dr Ryan! I sure wish all the ortho videos come out within the next four weeks haha. While I'm here, does any kind soul here have a relatively recent edition of the Dental Decks they would be willing to share?? Love from Sweden
Hi. I am now in the Netherlands and would like to thank you very much for your very useful videos. I want to take the board exam from here. These videos help many people like me here and around the world. Good luck🙏🏻🍀
I Just finished watching all of your NBDE II series and I feel like they have been very helpful. I'll be taking the INBDE in a few weeks and will let you know how it goes.
I'm not a dentist but I was wondering if viscoelastic mechanics are considered for the gums. Interesting stuff. I'm an engineer and I was thinking all day about the mechanics of braces.
Hi Dr. Ryan, in the video your example was doubling diameter. Could you please confirm this: if diameter is halved, strength is 8x less, springiness is 16x more, and range is 2x ?
Thinner dimension wires like an 012 (vs. an 016) are more flexible so they can engage brackets on teeth that start out very crowded. As teeth align and level, you can move up to heavier wires that have more diameter and strength. This is a very simplified explanation, but I would be happy to make more advanced orthodontics videos in the future for those who want it.
Sir I have one question... We apply torque in beggs appliance also, but we are using a round wire for beggs appliance and u said tht torque can not be applied by round wire.. So how come we use round wire in beggs appliance??
I am not too familiar with the Begg appliance, but it is very difficult if not impossible for a round wire alone to generate the moment of a couple I show in this video to apply torque. Round wires can tip teeth no problem, but torquing is a different story. You would need some kind of auxiliary wire or appliance like a Warren spring.
You can get them one of two ways! You can either sign up on my Patreon page www.patreon.com/mentaldental or send $30 to me directly via PayPal www.paypal.me/mentaldental
Good day, I would like to ask about ; which one of these can present as anterior open bite with normal posterior bite (mouth breathing, tongue thrust or thumb sucking) , this question comes often in our License Exam but I am still confused . thank you
Hello sir.. It was very useful video for me. 😊 I am preparing for my exams and they are just within 15 days.. Your videos helping me a lot to prepare. I have Just a request that if you could make video on fixed ortho. Appliances. Especially begg and edgewise... It will be very much helpful.. Thank you so much for this video sir. Really needed it... And yes waiting for one i requested.. 🙇
Hello Ryan, great effort as always ! but i have a question, could u tell why we use power arms in sliding mechanics and why the loops in space closure when we already have a two point contact to counter root movement? it's been bugging me and a mere textbook is not helping in understanding this, i'd be grateful if u could help. Thanks
Power arms are used because the point of force application is brought closer to the center of resistance so there is less tipping as a side effect when closing space. Closing loop archwires are used as an alternative method to sliding mechanics for space closure (elastomeric chain, NiTi closed coil spring). The wire is designed to bind at the brackets and pull entire units of teeth together as the activated wire assumes a passive position after being stretched apart at the closing loop. Hope that helps!
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