acid-etched restoration

ac·id-etched res·to·ra·tion

the restoration of tooth structure with a resin after the surface of the tooth has been treated with an acid solution that etches the tooth surface, thereby increasing retention of the restoration.

ac·id-etch·ed res·to·ra·tion

(asid echt restŏr-āshŭn)
Restoration of tooth structure with a resin after surface of tooth has been etched with an acid solution to increase retention of the restoration.