BACKGROUND: Porcelain veneer is a minimally invasive method for tooth aesthetics, but repairing effects of various porcelain veneers have yet to be compared.OBJECTIVE: To compare the therapeutic effects of IPS e.max and VITA VM9 porcelain laminate veneers within 3 years. METHODS: Thirty IPS e.max veneers were made for 22 patients(30 affected teeth) and 29 VITA VM9 porcelain laminate veneers were made for 28 patients(29 affected teeth). Three years after restoration, color match, surface texture, marginal di...