Comfort Acrylics, Inc. Dental Laboratory Division provides a variety of mandibular repositioning devices for the management of sleep disordered breathing. All have FDA 510(k) certification and prepared by our Certified Laboratory. Please download an Rx for your next case. Call our office at 800-748-2566 Pacific Time Zone or email inquiries. Our laboratory will be happy to provide introductory pricing in return for evaluating our quality, service and price.