It is not only a Mouth mirror, also a Suction. Get Two at once!
Sometimes no asstistant for holding suction? Don't worry, you don't need them since you have suction in a mirror. Also it acts a Tongue Guard and Mouth Retractor!
Also known as a "bonderizer" bonding agents (spelled dentin bonding agents in American English) are resin materials used to make a dental composite filling material adhere to both dentin and enamel. Bonding agents are often methacrylates with some volatile carrier and solvent like acetone.