Mouth, Wide


Mouth, Wide

Objective: Distance between the oral commissures more than 2 SD above the mean

Subjective: apparently increased width of the oral aperture


The width of the mouth varies with facial movement and must be assessed when the subject has a relaxed (neutral) face. This term replaces macrostomia, large mouth, and large oral aperture because these terms imply a wide and open mouth. The term should not be used to describe a patient with a lateral oral cleft.


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