摘要
目的 :研究正畸正颌联合治疗成人骨性反牙合后的口周力变化 ,了解口周肌压力与牙颌形态的相关性 .方法 :以2 0例经正畸正颌联合治疗成人骨性反牙合患者为研究对象 ,检测了治疗前后姿势位的上下切牙区、尖牙区、磨牙区的唇 (颊 )舌侧口周肌压力 .结果 :治疗后 ,在所测的各牙位唇 (颊 )舌侧口周肌压力中 ,治疗前最大的下颌唇侧的口周肌压力下降最为显著 ,口周力分布以下颌磨牙区颊侧压力最大 .治疗后上下颌各区域唇颊侧压力均小于治疗前 (P <0 .0 5 ) ;除上下颌磨牙区域舌侧压力大于治疗前 (P <0 .0 1 )外 ,治疗后其他各区域舌侧压力均小于治疗前 (P <0 .0 5 ) .结论 :口周力会因牙颌形态的变化而发生适应性的变化 。
AIM: To study the changes of perioral muscle pressure in the patients with skeletal crossbite before and after orthodontic and surgical treatment. METHODS: All 20 patients in this research were diagnosed to be skeletal crossbite. The perioral muscle pressures acting on upper and lower central incisors, cuspids and first molars were measured labially (buccally) and lingually before and after orthodontic and surgical treatment. RESULTS: After the treatment, the perioral force on the labial side of mandibular incisors,which is the largest before the treatment, decreased more than that in other areas ( P <0.01). And the perioral force on the mandibular buccal area of the first molars was largest. On the buccal side, the perioral force after treatment was smaller than that in the correspondence area before the treatment ( P <0.05). On the lingual side, the perioral force after treatment was also smaller than that in the correspondence area before the treatment ( P <0.05)except the first molar area. CONCLUSION: The perioral force is correlated with facial skeletal position. The related position of upper and lower jaws decides the value of the perioral force.
出处
《第四军医大学学报》
北大核心
2004年第3期252-254,共3页
Journal of the Fourth Military Medical University
基金
西安市科技攻关基金 (GG2 0 0 1 1 5)
关键词
口周肌压力
骨性反HE
正畸正颌联合治疗
perioral muscle pressure
skeletal crossbite
orthodontic and surgical treatment
