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乳前牙反是儿童乳牙列期的一种常见错畸形,对口腔功能、颜面美观和心理健康有较严重影响,并且随患者的成长增龄,症状逐渐加重,因此倍受口腔医师的重视。据国内流行病学资料报道,患病率为8.49%[1]。一般认为乳牙反不经矫正半数以上将发展为恒前牙反,且症状会有所加重;乳牙反矫正后,恒牙反的可能性减小,即使发生症状也较轻。因乳前牙反时患儿下前牙在上前牙唇侧,上颌骨
Anterior crossbite is a common malocclusion in children with deciduous teeth. It has a serious effect on oral function, facial appearance and mental health. As the patient grows older, the symptoms gradually worsen, which is greatly influenced by the oral cavity surgeons Pay attention. According to the national epidemiological data reported, the prevalence was 8.49% [1]. It is generally believed that primary decidua will develop into anterior anterior crossbite without correction more than half, and the symptoms will be aggravated. After correction of primary decidua, the possibility of permanent dentition antipsorrhoea decreases, even if the symptoms are mild. Due to anteversion of the anterior teeth of children with lower anterior teeth in the upper lip side, the maxilla