IS 9717 : 1980 Specification for Trays, Impression, Dental
| UDC 615.471 : 616.314 - 089.28 | MHD 8 |
|
| Reaffirmed 2018 |
1 Scope
Requirements for dental impression trays, perforated and non-perforated,suitable for use in taking impressions of the upper and lower jaws.