Author
Peiter Gozali., Master degree (International Program) of Oral and Maxillofacial Surgery, Faculty of Dentistry, Mahidol University./ Sirichai Kiattavornchareon, Natthamet Wongsirichat., Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Mahidol University./ Michiko Wu., Faculty of Dentistry, Universitas Sumatera Utara,Indonesia./ Suphachai Suphangul., Advance General dentistry Department, Faculty of Dentistry, Mahidol University.