| 摘要 |
PURPOSE: A face protective cover and mouth gag for dental clinic are provided to maintain the oral cavity as being opened for dental clinic. CONSTITUTION: A mouth gag which is formed to prevent liquid from being splattered comprises a cover film(150) for covering face, an outer frame(140) formed to be foldable by being composed of flexible metal material or synthetic resin material, a cover film having elasticity and is combined with the outer frame, and a lip expansion unit(160) formed to expand lips by being inserted between lips and gum. The lip expansion part is inserted into the mouth and forms an insertion lips ring(170) in which soft protection tips(180) are formed. |
