Why does my veneer look discolored?
Porcelain resists stain — apparent color change usually comes from somewhere else.
Glazed porcelain holds its shade well, so a veneer that suddenly looks darker or yellower usually reflects change around it: surface film and lost polish, cement aging at the edges, or the natural tooth behind a thin shell darkening over time.
Sorting out the source
A professional cleaning and polish removes surface film and often restores the original brightness in one visit. If the color change sits at the edges, aged or leaking cement is more likely; if the whole tooth looks darker, the change may be in the tooth underneath.
Composite-resin veneers, unlike porcelain, do pick up stain gradually and may need polishing or replacement sooner. How noticeable each cause becomes varies by individual, so let a dentist identify which layer changed before assuming the veneer needs replacing.
MediIndex articles are for general information only and are not medical advice, diagnosis, or advertising. Outcomes vary by individual — consult a board-certified specialist for personal decisions.