1. Yang IH， Chang YI， Kim TW， Ahn SJ， Lim WH， Lee NK， Baek SH. Effects of cleft type， facemask anchorage method， and alveolar bone graft on maxillary protraction: a three-dimensional finite element analysis. Cleft Palate Craniofac J 2012;49(2):221-9. 2. Yang IH， Lim BS， Park JR， Hyun JY， Ahn SJ. Effect of Orthodontic Bonding Steps on the Initial Adhesion of Mutans Streptococci in the Presence of Saliva. Angle Orthod 2011; 81: 326-33. 3. Moon BS， Yang IH， Ahn SJ. Dentofacial Characteristics of Women with Oversized Mandible and Temporomandibular Joint Internal Derangement. Angle Orthod 2011; 81: 469-77. 4. Lim YK， Chu EH， Lee DY， Yang IH， Baek SH. Three-Dimensional Evaluation of Soft Tissue Change Gradients after Mandibular Setback Surgery in Skeletal Class III Malocclusion. Angle Orthod 2010; 80: 896-903) 5. Yang IH， Nahm DS， Baek SH. Which Hard and Soft Tissue Factors Relate with the Amount of Buccal Corridor Space During Smiling? Angle Orthod 2008; 78: 5-11. 6. Paik CH， Ahn HW， Yang IH， Baek SH. Low-Friction Space Closure with a Hybrid Bracket-Tube System. J Clin Orthod 2010; 44: 623-7. 7. Baek SH， Yang IH， Kim KW， Ahn HW. Treatment of Class III Malocclusions Using Miniplate and Mini-Implant Anchorage. Semin Orthod 2011; 17: 98-107.