The sl-protrusion gauge allows you to register directly on the patient the desired or recommended mandibular advancement for the Silensor-sl. By using the sl-protrusion gauge you will get the expected result, however if the registration is not taken the Silensor-sl can still be fabricated using occluding models.

Even though the sl-protrusion gauge is flexible and bends to that of the bite plane, a precise registration is still achieved. The gauge is constructed in a way that allows the registration to be removed afterwards. A possible straightening of the gauge will not deform the silicone used.