Lip RetractorLip Retractor A lip retractor is a dental instrument used by dentists and other dental professionals to hold the lips and cheeks away from the teeth and gums during dental procedures. This provides a clear view of the treatment area and allows the dentist to work more easily. There are different types of lip retractors available, including: Disposable lip retractors: These are made of plastic and are typically used for one procedure only. Autoclavable