This is a common method to treat dental diseases. Due to the special oral environment, it is generally necessary to temporarily seal the oral cavity after treatment to prevent saliva and food residues from entering the oral cavity and play an isolation role. Also known as trial patching.
This clinical trial patch, or temporary sealing material, is zinc oxide cement powder. When doctors mix it, they use a liquid, clove oil. You said that the taste in your mouth is its taste. Will not cause harm to the human body. You don't have to worry.