Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A: A 9-year-old boy with white enamel demineralization staining of six incisors; B: Twenty years after removal of the white stains on the maxillary central incisors by application of 18% hydrochloric acid and pumice; and after removal of white stains located on the mandibular teeth by application of the PREMA compound. The right mandibular lateral incisor presented a deep white stain; it was restored with resin-based composite
