<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"><url><loc>https://lifestyle-health.skoop.news/goodbye-cavities-scientists-create-gel-that-could-regrow-too-b1b7b4/</loc><news:news><news:publication><news:name>skoop.news</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-11-06T03:46:26.018236-05:00</news:publication_date><news:title>Nottingham scientists develop a fluoride-free gel that could regrow lost tooth enamel</news:title></news:news></url></urlset>