split-screen close-up of smile showing a teeth whitening before-and-after comparison. Left side with slightly yellow, natural teeth; right side with bright white, polished teeth. Glossy pink lips, smooth skin, soft studio lighting, vertical divider line in the center, detailed texture emoji

Split-screen close-up of a smile showing before and after teeth whitening, left side slightly yellow teeth, right side bright white teeth, glossy lips, soft studio lighting, high detail, dental cosmetic comparison, realistic, sharp focus. emoji