ANORDNING FOR BEDRING AV MILJOE I MUNNHULEN VED TANNBEHANDLING

摘要

A bubble which consists of an upper section (1) and a lower section (2) held together with a tear-off strip (3). The upper section (1) is provided with an instrument opening (4) and folds (6). The lower section (2) has a dental opening (7) with a frame (9) and an extractor orifice (8).