SpeakerDr. Jeong-il Kim LanguageKorean SubtitleEnglish Running Time 20:18 Price Free Sign Up 3 Mesial angulation Aesthetics Arch length discrepancy Irregulariy index Little Canine guidance occlusion Molar relationship Half Class II Full Class II Half Class III Full Class III Passive centric line Active centric line Class I molar Class I canine Arch form