病例资料来源: By: VittorioCacciafesta,DDS,MSc,PhDAssistantClinicalProfessor, Department of Orthodontics, University of Insubria, Varese, Italy and M. Francesca Sfondrini, MD, DDS Assistant Clinical Professor, Department of Orthodontics, University of Pavia, Pavia, Italy
13岁女性，因上颌牙列拥挤要求正畸治疗，治疗时间17个月。治疗后用玻璃纤维做上颌固定式正畸保持器。