Miniscrew Applications: Upper Arch Distalization|Essential Biomechanics
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- เผยแพร่เมื่อ 5 ต.ค. 2024
- The temporary anchorage devices constitute essential tools for the present and future of Orthodontics. However, the use of TADs does not exclude the need of a solid biomechanical foundation for its appropriate applications.
Correction: 03:03 TIP: Put a stop hook or ômega loop flush to molar tube - this will increase the efficiency of this mechanics!
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Doctor, two questions:
1) in clinical situations, if there no risk of complication when the second premolar contacts the miniscrew during distalization procedure?
2) if the miniscrew (and line of force) are below the purported center of resistance (low buccal frenum etc.) of upper arch, incisal plane canting may occur. What can be done to reduce this side effect?
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1) there is risk if TAD is closer to 2nd premolar rather than 1st molar. That's why IZC miniscrew is better placement
2) canting of incisal plane would occur if miniscrew on other side is on different hight. When you change the hight of miniscrew or hook your rather change overbite during ditalization
Screw will impair the movement ,so infrazygomatic screw is advisable
Yes Dr! The video was made before the development of extraoral screws. Today they are good alternatives for upper arch distalizations.
@@essentialbiomechanics9381IZC screw is not extraoral btw
Thank you dr for ur kind guidance...👍👍
Wait so do they staple or glue part of the spring connecting to the molar. This is crazy I’ve never seen this before wow
Thanks for such wonderful videos❤
One question will we add force required for every tooths bodily movement for distalization in this case.?
Or 200mg would be enough?
200 g is enough for retraction of the anterior group of teeth
Aren't we retracting the whole arch as we are applying force on the wire. . How much force would be enough for the arch Sir. 200?
Sorry, now I got your question. The answer is the same - yes, 200 g is enough even for the entire distalization of upper arch. It may seems strange that we can use this same magnitude for different purposes, but it's true. Literature has shown that around 200gm is enough even for distalization of the entire amndibular dentition - Roberts WE, Viecilli RF, Chang C, Katona TR, Paydar NH. Biology of biomechanics: Finite element analysis of a statically determinate system to rotate the occlusal plane for correction of a skeletal Class III open-bite malocclusion. Am J Orthod Dentofacial Orthop. 2015 Dec;148(6):943-55.
Superb
If the 3rd molar is erupted or impacted, Should we extract it in this case before attempting for destalization?
If the 3rd molar is erupted (an out of occlusion, of course), It's better to extract it. If it's impacted, some surgeons prefer to keep it impacted. Depending on its position, it will never cause any problem.
Interdental miniscrw will stop the movement of the teeth distally
Only if a great amount of movement is needed. In the present case, the Class II is so mild that this will not be a problem.
Just a suggestion: it would be easier to tie the spring on the hook first and on the tad after.
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@Holden Wilder instablaster :)
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How long does it actually takes in real dentition for the distilization of the molars... Mine is almost the same situation
It depends on the degree of the Class II. Normally, the movement rate is 0.5 to 1mm/ month.
I want to learn miniscrews so bad!!!
Very nice
Can TADs and Miniscrew be used to force the upper incisors upwards for the treatment of deepbite and gummy smiles also?
Andrew Thiyam yes, for sure you can use TADs for this purpose. ; )
thank you
Interesting, thank you!
Se puede hacer esa retracción asi defrente sobre el miniimplante? No se tendría q primero distalizar esa primera y segunda molar y luego ya retraer el sector anterior? Alguien colega ortodoncista q opine al respecto con base xfavor.
Where do you order the hooks?
Dental stores, mainly those that sell orthodontic devices.
@@essentialbiomechanics9381 What company? Is there a serial number or part number? We’ve been wanting to get these for a while now, but can’t find them anywhere.
Name of the stimulator plz.
I just got mines 5 minutes ago and I am wondering if it went through my bones or what ?
Plz answer I am actually worried I would have 2 holes in my gummy 😢
I know a little bit late but yes It is about half way trough your Bone but no worries! After removing this Screw it will be growing again. But i think yours are already out after the year
@@poppypeppa0186 yeah. Haha true! Its been a long time. I had to read what i wrote twice 😂. I did remove my braces 7 months ago. Had them for 2 years and a half. I now have a “bump” where the screws were but i dont mind them
@@thegoldenking9933 did the screws hurt when getting them in ?
@@alyssasims3108 yes! Once the drug runs out ull feel waves of pain. Very weird yet painful feeling
what was your case ?
What is this music? I love this cover :D
Counting stars by One Republic
What is the name of the gauge used to measure the force of the spring?
Correx tension gauge
I think sold by Dentaurum Germnay it’s Swiss made
Corex
Name of the simulator please ?
It is Ok.. But should have stop on wire flash to mesial upper first molar.
Yes you're correct.
We call it locking the arch
Great
How long does it takes this screw?
Vijesh Jadoun Im not sure I understood your question. If you mean how much time the screw is stable, normally it stays there during all treatment.