Acid Etching of Ceramic Before Bonding | 合法醫療器材資訊網

2012年8月15日—Learnmoreaboutacidetchingceramicrestorationspriortobonding....Lithiumdisilicate(e.max):20secondetchwith5%HF....Avoidgettingsilaneontheouteraspectoftherestorationasitwillmakeresincementsticktothe ...

Acid etching ceramic restorations prior to bonding is essential in order to create the appropriate surface structure needed to maximize retention of the resin cement.

Frequently the restoration is etched in the laboratory. If the restoration is etched in the laboratory, do not re-etch in the office with 5% HF. Etching a second time is contraindicated. If the ceramic appears white and chalky, it is over etched. When in-office etching is needed, the following protocol should be used to ensure success.

After etching, place the restoration in water and ultrasonically ...