NF S91-221:1999
Dental ceramic.

Standard No.

NF S91-221:1999

Release Date

1999

Published By

Association Francaise de Normalisation

Status

Be replaced 2008-10

Replace By

NF S91-221:2008

Latest

NF S91-221*NF EN ISO 6872:2015

NF S91-221:1999 history

• 2015 NF S91-221*NF EN ISO 6872:2015 Dentistry - Ceramic materials
• 2008 NF S91-221:2008 Dentistry - Ceramic materials.
• 1999 NF S91-221:1999 Dental ceramic.