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正畸治疗的效果能否被保持,是衡量正畸治疗成败的重要标志。Angle 指出:“假若牙齿被排成正常的(牙合)关系,且提供适当的保持时限及强有力的咀嚼功能,则正畸矫正将是稳定的”。但许多正畸学者观察到,正畸治疗后的效果易受许多因素的影响,且在长期稳定性方面有某种极限。有关正畸治疗后疗效稳定性方面的研究国内尚未见有报道。本文从牙弓测量角度,对正畸治疗后稳定性问题进行研究与探讨。
Whether the effect of orthodontic treatment can be maintained is an important indicator of the success of orthodontic treatment. Angle states: “Orthodontics will be stable if the teeth are lined up properly and provide an adequate hold time and a strong masticatory function.” However, many orthodontists observe that the effects of orthodontic treatment are susceptible to many factors and have some limits to long-term stability. There is no report on the stability of efficacy after orthodontic treatment in China. In this paper, dental arch measurement point of view, the stability of orthodontic treatment after the study and discussion.