our dentures is a decorative prop dentures, not a professional medical dentures. It is only used for decoration when taking photos or stage dramas. The size is average size, which cannot guarantee that everyone can fit. The method of use is to melt teether into warm water and then stick it to dentures before sticking it to human teeth. Although this tooth can be used repeatedly, it is especially recommended for one-time use for hygiene and health. Do not use it cross.