Quad Helix Appliance

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Ortho Appliances

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Quad Helix Appliance ­- is an orthodontic appliance for the upper teeth that is cemented in the mouth. It is attached to the molars by 2 bands and has two or four active helix springs that widen the arch of the mouth to make room for crowded teeth, or correct a posterior cross-bite, where lower teeth are buccal (outer) than upper teeth.

 

        v  Provides continuous, controlled force for a variety of applications

        v  Allows for a differential amount of expansion in the anterior and posterior region of the arch

        v  Reshaping of maxillary arch form

        v  Molar derotation (Class II correction)

        v  Anchorage and torque control in tandem with archwire

        v  Incisors alignment and placement

        v  Oral habit correction, when evident

        v  Vertical control - tongue influence with slow expansion

        v  Ease of placement in one appointment (pre-formed RMO Quad)

 

 

v  Warranty regarding extension, retention, occlusion, contact etc. is only on the basis of the given model.

v  All repetitions and correction should be informed within 7 days and will be accepted only with fresh models along with initially supplied model, work and warranty card.

v  To claim warranty of Pine Dental prosthesis, the patient should consult the same doctor or clinic.

v  Repetitions will be charged at 50% of the actual rate of the work and additional tax, if any.

v  Patient cannot claim warranty in the pricelist will not have any warranty.

Request:

v  We need 7 working days to complete a work except Friday and other holidays.

Urgent Orders

v  Will be charge 10% extra. The fabrication time depends on prosthesis type and unit.

Suggestion

v  The proximal margins of the abutments should be parallel or slightly tapering towards occlusal surface. Eliminate undercuts to the maximum. Round all corners.

v  We always prefer perfect rubber base impression. Don’t pour die stone type IV immediately to the rubber base impression. Pour only after 1 hour.

v  Don’t allow the alginate impression to get dried. Pour die stone type IV immediately. If the model thus prepared is found defective (air bubble, broken stump etc.) discard it and take a new impression rather than trying to produce a second model from the old alginate impression.

v  We need upper and lower full Die Stone IV models to check the occlusion correctly.

v  Provide the bite registration in Silicone putty (not in wax), if necessary.

v  The shade will be perfect only if the labial and occlusal clearance is 2mm.

v  VITA classical and VITA 3D Master 9of Ivoclar A-D shade number should be given for ceramic shade selection.

v  Avoid grinding the metal prosthesis at the time of metal trial. This may lead to contamination of metal and ceramic chipped – off.

v  In anterior case, if the patient is satisfied with the temporary crown / bridge, kindly provide a model of that which will help us in imitating the shape and arrangement. Pre – operative models will also be useful in some cases.

 


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