ORTHODONTISCHES BRACKET AUS DURCH IONENAUSTAUSCH VERSTAERKTEM GLAS.
摘要
Orthodontic brackets are made from ion exchange strengthened glass. In a preferred embodiment, the glass is a lithium alumino silicate strengthened with sodium ions.
申请公布号
DE3769911(D1)
申请公布日期
1991.06.13
申请号
DE19873769911
申请日期
1987.10.21
申请人
JOHNSON & JOHNSON DENTAL PRODUCTS CO., EAST WINDSOR, N.J., US
发明人
DELUCA, ROBERT D., PENNINGTON, NJ, US;PANZERA, CARL, BELLE MEAD, NJ, US;FORBES JONES, ROBIN M., PENNINGTON, NJ, US
