Smiling Mouth Illustration - Bold Red Lips & White Teeth Clipart #3731553 (License: Personal Use)

This vector-style illustration features a highly expressive open mouth with thick black outlines, vivid red lips with subtle vertical shading, and a row of evenly spaced white upper and lower teeth. The inner mouth is shaded in deep maroon, with a small visible red tongue, enhancing the sense of openness and joy. The design evokes pop-art aesthetics and is optimized for clarity at various sizes.

Commonly used in dental hygiene campaigns, speech therapy materials, emoji/icon sets, social media graphics, and educational content about communication or oral health. Matches user intent for visual metaphors of talking, laughter, confidence, or vocal expression.