Open-Mouth vs Closed-Mouth Smile
Open smiles broadcast energy; closed smiles convey restraint. Both can be genuine or social.
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Open-Mouth Smile
Teeth visible with separated lips — high energy and approachability.
- •Teeth visible
- •Wider mouth aperture
- •Higher perceived warmth
- •More movement in lower face
- •Can show gum line if excessive
Closed-Mouth Smile
Lips together with corner elevation — subtle, sophisticated expression.
- •No teeth visible
- •Subtle corner lift
- •Lower perceived intensity
- •Common in formal portraits
- •Can read as mysterious
Verdict
Open-mouth Duchenne smiles score highest for warmth. Closed smiles suit professional contexts and certain face shapes.
Related Comparisons
FAQ
Do closed smiles score lower?
Often slightly, because corner elevation is less visible. Genuine closed smiles still score well.
Which looks better on camera?
Depends on context — open for casual/social; closed for editorial/formal.