title: Oropharyngeal Airway Dimensional Changes after Treatment with Trainer for Kids (T4K) in Class II Retrognathic Children.
authors.affiliation: Seoul Kids' Dental Clinic, Seoul, Republic of Korea.
authors.forename: Kee-Sang
authors.initials: KS
authors.lastname: Hong
authors.affiliation: Dept. of Dental Hygiene, College of Health Sciences, Sunmoon University, Cheonan, Republic of Korea.
authors.forename: Youn-Soo
authors.initials: YS
authors.lastname: Shim
authors.affiliation: Dept. of Dental Hygiene, Vision University College of Jeonju, Jeonju, Republic of Korea.
authors.forename: So-Young
authors.initials: SY
authors.lastname: Park
authors.affiliation: Dept. of Pediatric Dentistry, College of Dentistry, Wonkwang University, Iksan, Republic of Korea.
authors.forename: Ah-Hyeon
authors.initials: AH
authors.lastname: Kim
authors.affiliation: Dept. of Pediatric Dentistry, College of Dentistry, Wonkwang University, Iksan, Republic of Korea; Wonk Wang Dental Research Institute, Iksan, Republic of Korea.
authors.forename: So-Youn
authors.initials: SY
authors.lastname: An