Rapid Maxillary Expansion

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Rapid Maxillary Expansion - is a preliminary treatment procedure that aims at enlarging the maxillary dental arch and the palate (roof of the mouth) to re-establish balance between the width of the jaws. This procedure is also called “maxillary expansion”.

Indications:            

        v  Rapid maxillary expansion is indicated in cases with a transverse discrepancy equal to or greater than 4 mm, and where the maxillary molars are already     buccally inclined to compensate for the transverse skeletal discrepancy.

        v  Rapid palatal expansion has been used to facilitate maxillary protraction in class III treatment by disrupting the system of sutures, which connect the maxilla     to the cranial base, cleft lip and palate patients with collapsed maxillae are also RME        candidates

Contraindications:

        v Patients who have passed the growth spurt, have recession on the buccal aspect of the molars, anterior open bite, steep mandibular plane, convex profiles     and who show poor compliance.

 

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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