Dental X-ray film Specifiction: 30x40mm, (adult film)22x35mm, (child film)57x76(occlusion) Product Name: Darkroom tooth film Specifiction: 30x40mm, (adult film)22x35mm, (child film)57x76(occlusion ... Development: 18-20, Developing time 2 minutes, Fixing 4 minutes, Watercean 5 minutes. The film should be stored in cool and dry ...