272016May
SMILE LINE

SMILE LINE

Mid – line Heartwell defines the dental mid-line as vertical imaginary line that doesn’t necessarily coincide with the facial mid-line which runs vertically from the nasion, subnasal point, interincisal point & pogonion, perpendicular to the interpupillary line. Ideally the papilla between the maxillary centrals acts as a placement landmark & coincides with the mid-line of…

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