Conclusion: The passive mouth-opening is a favorable preservative treatment of intermaxillary contracture because the patient failed to suffer from surgical process and decreased the surgical payment.

• 结论：被动强制开口法为部分纤维性颌间挛缩患者免于手术痛苦、减轻经济负担探讨出一条非手术治疗的有效途径。