Realistic close-up of a smiling female mouth, divided vertically into two halves…

Realistic close-up of a smiling female mouth, divided vertically into two halves. Left side: yellow teeth with visible plaque and discoloration, slightly uneven tone. Right side: bright white teeth, smooth, clean and evenly aligned. Natural lip color, delicate skin texture, studio lighting, neutral background. High detail, photographic style, suitable for teeth whitening advertisingRealistic close-up of a smiling female mouth, divided vertically into two halves. Left side: yellow teeth with visible plaque and discoloration, slightly uneven tone. Right side: bright white teeth, smooth, clean and evenly aligned. Natural lip color, delicate skin texture, studio lighting, neutral background. High detail, photographic style, suitable for teeth whitening advertising.