Department of Oral and Maxillofacial Surgery;
School of Dentistry;
Aichi-Gakuin University;
Nagoya;
Japan;
Division of Speech Therapy;
Aichi-Gakuin University Dental Hospital;
Nagoya;
Japan;
Former Division of Speech Therapy;
Aichi-Gakuin University Dental Hospital;
Nagoya;
Japan;
Velopharyngeal; Insufficiency; Cleft; Palate; Pharyngeal; Flap; Operation; Postoperative; Speech; Outcome; Velopharyngeal; Closure; Function;