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Is it possible to mould a mandibular advancement device (MAD) several times?

Nearly all of our MADs (with the exception of ZQuiet) must be – through being warmed up in a water bath – moulded to one’s bite before usage. Should this procedure not optimally work on the first attempt, it can be repeated (if necessary, several times). Please note that repeated moulding/adjusting can result in discolouration or breakage of the material.

Furthermore, prior to remoulding a MAD, it is important to smooth the old dental impressions in the MAD out, so that you bite into a smoothed surface during the remoulding.

The moulding should not be based on old dental impressions (as this comes with the risk of the MAD fitting even more loosely). As far as the procedure is concerned, you should warm the MAD up as you would for an initial fitting, followed by smoothing the old dental impressions out, let it cool down and, finally, reheat the MAD. If you attempt to complete the “smoothing” and moulding in one go, there is the risk of the material of the MAD rehardening and the dental impression, therefore, not being deep enough (and the MAD, consequently, fitting too loosely).