In addition, we discussed the principles of occlusal guidance, discrepancy of tooth morphology, anchorage control, maxillary canine contouring and clinical attention in the treatment of malocclusion.

• 此外也针对以空隙关闭法在侧门齿先天缺失的成人病例中，就外观差异、咬合导引、锚定控制、犬齿型态修饰、矫正注意事项作综合性之探讨。