An investigating study of correcting anterior crossbite of deciduous and early mixed dentitions with occlusal guidance of glass ionomer cement or resin
YANG Xiaoru1, LI Xuyan2,ZHUANG Futao1,and PENG Jing1
1.Department of Stomatology, General Hospital of People’s Armed Police Force, Beijing 100039,China; 2. Department of Stomatology, Pinggu Maternal and Child Health Hospital,Beijing 101200,China
Abstract：Objective To compare the advantage and disadvantage of occlusal guidance of glass ionomer cement or resin with traditional splint and lingual spring in clinical through the questionair for doctor.Methods 21 research items were investigated by 10 clinical doctors who can accomplish the therapy with those two methods to correct anterior crossbite skillfully. And the research items were: whether the oral impression, making appliance simplicity, early period comfort when wearing appliance, the length of appliance adaptation, appliance wearing time, wire broken of appliance, appliance wire scratching gingival mucosa, anterior tooth loose in the treatment, dental pain in the treatment, follow-up interval, oral hygiene, treatment duration, medical cost, the lower anterior teeth correction, cusp and fossa relationship close together, masticatory efficiency, pronunciation, appearance, children with the degree, the acceptance of guardian, comprehensive evaluation.Results Comparing the two treatment methods of 21 research items,the occlusal guidance of glass ionomer cement or resin and the traditional splint lingual spring in the course of orthodontic treatment, the questionnaire scores were 3.90±1.88 and 3.80±2.10, there was no statistically significant difference (P>0.05). However, for the oral impression, making appliance simplicity, comprehensive evaluation and other 20 evaluation items: the scores of the two treatment methods had highly significant difference (P<0.05).Conclusion Compared with the traditional splint and lingual spring to correct anterior crossbite, the occlusal guidance of glass ionomer cement or resin is a fixed functional appliance, which can be easily operated in clinic and has many advantages. This technology is worthy of extensive promotion.
杨小如，李旭艳，庄福涛，彭 静. 玻璃离子或树脂垫治疗乳牙期及混合牙列早期前牙反的效果比较[J]. 武警医学, 2016, 27(6): 553-556.
YANG Xiaoru, LI Xuyan,ZHUANG Futao,and PENG Jing. An investigating study of correcting anterior crossbite of deciduous and early mixed dentitions with occlusal guidance of glass ionomer cement or resin. Med. J. Chin. Peop. Armed Poli. Forc., 2016, 27(6): 553-556.
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2016, Vol. 27 
