Effect of maxillary expansion combined with orofacial myofunctional therapy on the position of the tongue of children with mouth breathing
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摘要: 目的 研究骨性Ⅱ类错
伴口呼吸患儿行上颌扩弓联合口面肌功能训练后舌体位置的变化。方法 选取30例上气道通畅的骨性Ⅱ类错 畸形患儿,根据呼吸方式分为口呼吸组(15例)和鼻呼吸组(15例),分别拍摄鼻呼吸组治疗前锥形束CT(cone-beam CT,CBCT)、口呼吸组上颌扩弓联合口面肌功能治疗前、后的CBCT,使用Invivo5软件对舌体位置进行测量。采用SPSS 27.0软件对鼻呼吸组和口呼吸组数据进行独立样本t检验。对口呼吸组治疗前、后数据进行配对样本t检验。结果 口呼吸组和鼻呼吸组骨性Ⅱ类错 患儿,舌体距离上腭的位置存在明显的差异(P<0.05)。口呼吸组通过上颌扩弓联合口面肌功能训练后,舌背与上腭之间的距离减小,治疗前后差异有统计学意义(P<0.05)。结论 骨性Ⅱ类错 伴口呼吸患儿常存在低舌位,通过上颌扩弓联合口面肌功能训练,有助于改善舌体位置。Abstract: Objective This study aimed to investigate the change of the position of the tongue before and after combined treatment of maxillary expansion and orofacial myofunctional therapy in children with mouth-breathing and skeletal class Ⅱmalocclusion.Methods A total of 30 children with skeletal class Ⅱ malocclusion and unobstructed upper airway were selected. The 30 children were divided into mouth-breathing group(n=15) and nasal-breathing group(n=15) and CBCT was taken. The images were measured by Invivo5 software. The measurement results of the tongue position of the two groups were analyzed by independent samples t-test. 15 mouth-breathing children with skeletal class Ⅱ malocclusion were selected for maxillary expansion and orofacial myofunctional therapy. CBCT was taken before and after treatment, the measurements were analyzed by paired sample t test with SPSS 27.0 software package.Results The measurement of the tongue position of the mouth-breathing and nasal-breathing groups were compared, the differences were statistically significant(P < 0.05). The measurement of the tongue position showed significant difference after the combined treatment of maxillary expansion and orofacial myofunctional therapy in children with mouth-breathing and skeletal class Ⅱmalocclusion(P < 0.05).Conclusion Skeletal class Ⅱ malocclusion children with mouth-breathing have low tongue posture. The combined treatment of maxillary expansion and orofacial myofunctional therapy can change the position of the tongue. -
表 1 口面肌功能训练方法
练习内容 练习时间及频率 具体内容 N点训练 每次10 s,5次1组,每天3组 将舌尖抵在上中切牙后5 mm或发英文字母“N”结束时舌尖的位置,维持10 s,保持小张口,唇肌放松。 唇肌训练(吹纸训练) 每次10 s,5次1组,每天3组 保持抿住双唇10 s,尽量不要露出唇红。面前放一张纸巾,用力发“泼”音,用发“泼”音的气流力量将纸吹起。 呼吸训练(左右鼻孔交替呼吸) 每次10 s,5次1组,每天3组 闭上嘴,伸出双手食指,右手食指压住右侧鼻孔,用左侧鼻孔深吸气。憋住10 s,换左手食指压住左侧鼻孔,用右侧鼻孔将气呼出,之后交换鼻孔。 弹舌训练 每组20次,每天3组 将舌吸到上腭,迅速离开上腭发出类似马蹄“哒哒”声。训练舌前部和中部肌肉,帮助舌上抬。 吞咽训练(咧嘴弹舌吞咽训练) 每组15次,每天3组 大笑状,后牙轻咬,嘴唇离开牙齿,弹舌发出响声(口底部不发声,下巴不动,牙齿保持咬合)后吞咽。 表 2 鼻呼吸组和口呼吸组舌体位置比较
mm,X±S 测量项目 鼻呼吸组(15例) 口呼吸组(15例) P T1 0.00±0.00 5.70±3.49 0.010 T2 0.00±0.00 7.59±4.70 0.011 T3 0.00±0.00 6.59±4.30 0.013 T4 0.00±0.00 5.99±3.30 0.007 T5 0.00±0.00 4.50±3.15 0.017 T6 0.06±0.00 2.47±2.11 0.035 T7 0.04±0.00 1.51±1.24 0.031 表 3 矫治前后舌体位置比较
mm,X±S 测量项目 治疗前(D1) 治疗后(D2) D1-D2 P T1 5.71±3.49 0.68±1.05 5.03±3.49 0.021 T2 7.59±4.70 0.80±1.28 4.79±5.15 0.023 T3 4.59±4.30 0.83±1.30 5.74±4.51 0.024 T4 5.99±3.29 1.01±1.60 4.98±3.54 0.019 T5 4.50±3.15 1.10±1.79 3.40±3.35 0.045 T6 2.48±2.11 0.24±0.52 2.21±2.05 0.046 T7 1.50±1.23 0.00±0.00 0.00±0.00 0.031 -
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