修复期一般是多久？Typical free-revision window?재수술 무상 기간?

韩国头部医院多为 6–12 个月内、因技术原因免费修复；因个人体质/恢复行为造成的另行计费。必须书面确认。Top clinics: 6–12 months free for technical issues; personal-healing causes billed separately. Get it in writing.통상 6–12개월, 기술적 원인 무상. 서면 확인 필수.