Smiling Mouth Illustration - Free Clipart for Dental & Wellness Content #3732936 (License: Personal Use)

This black-and-white line drawing features a broad, open-mouthed smile with clearly defined upper and lower teeth, subtle gum shading using cross-hatching, and a natural lip contour. The style is reminiscent of vintage medical illustrations or comic art, emphasizing clarity and emotional expression without color distraction. A small imperfection on the lower lip adds character and realism.

Commonly used in dental clinic websites, mental health resources, school hygiene curricula, or stock illustration libraries to convey happiness, confidence, or oral care awareness. Matches user intent for “smile clipart,” “dental illustration,” or “positive expression drawing.”