Features: - Ultradent OpalDam light-cured resin barrier is a passively adhesive (sealing) methacrylate-based resin barrier used for isolating tissue adjacent to teeth being whitened. For single-tooth whitening, it may be used to protect adjacent teeth. OpalDam resin barrier is light reflecting to minimize heat and tissue sensitivity during curing. Other features and benefits include: - Protects soft tissue with impervious seal. - Removes easily. - Applies directly. Indications for Use: - OpalDam is unique, light-reflective, passively adhesive (sealing) light-cured resin. Its methacrylate base is designed with adequate strength to maintain a barrier yet removes easily from embrasures and undercuts.