The Ostby Arch has a system of folds which improves access to oral cavity, and it was produced using very resistant material to various sterilization procedures. Its use is indicated only for support of the rubber dam sheet for a rubber dam isolation of the tooth to be restored. Safe use in patients.

• Used to support the rubber dam sheet for a rubber dam isolation of the tooth to be restored;
• Foldable Arch;
• Autoclave Sterilization up to 121°C.