Nasolabial morphological changes in patients with unilateral cleft lip and palate using a Korat-modified nasoalveolar moulding appliance with primary correction.

Objective: The objective of this study is to measure the morphological changes of the nose and lip in patients with unilateral cleft lip and palate before and after cheiloplasty with primary rhinoplasty (primary correction) in conjunction with Korat-NAM usage.

Design: Longitudinal cohort study.

Setting: Cleft Center Maharat Nakhon Ratchasima Hospital, Nakhon Ratchasima, Thailand.