Abstract: A denture cleaner is provided which is non-abrasive and is highly effective for quickly and easily removing stains and tartar deposits from dentures embodying plastic or porcelain teeth and other materials used in dentures. The cleaner is effective for cleaning both full and removable partial dentures, as well as for polishing gold or chromium alloy clasps and removable orthodontic and other oral dental appliances, and has high stability under conditions involving both high and low temperatures. It is characterized by the inclusion therein of Hyamine 3500 and Pluronic P65, which are completely compatible with the other ingredients of the denture cleaner.