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!
Dental cements are a group of materials with a wide range of dental and orthodontic applications. Common uses include temporary restoration of teeth, cavity linings to provide pulpal protection, sedation or insulation and cementing fixed prosthodontic appliances.