摘要
目的探讨数字化隐形矫治技术治疗成人轻中度骨性Ⅲ类错[牙合]畸形的临床效果。方法选取2019年8月至2021年8月合肥市口腔医院成人轻到中度骨性Ⅲ类错[牙合]病人24例,采用随机数字表法将观察对象分为观察组和对照组,每组各12例,观察组采用数字化隐形矫治技术,对照组采用固定矫治技术即MBT矫治技术。测量治疗前后头颅侧位片16项软硬组织指标,比较两组治疗后软硬组织的变化。结果骨性组织测量项目中,蝶鞍中心点、鼻根点和上牙槽座点的交角(SNA)、下颌平面与前颅底平面的交角(SN-MP)在矫治后较矫治前均增加(P<0.05),上牙槽座点、鼻根点和下牙槽座点的交角(ANB)变小(P<0.05);矫治后观察组较对照组ANB[−0.22±1.47]比[−1.41±0.99];SN-MP[31.91±5.81]比[37.07±2.56];下颌平面与眶耳平面的交角(FH-MP)[22.80±4.14]比[26.74±3.56];[牙合]平面与前颅底平面的交角(OP-SN)[10.42±4.31]比[15.93±2.10]均减小(P<0.05)。牙性测量项目中,上中切牙长轴到前颅底平面的交角(U1-SN)、下中切牙切点至下颌平面的距离(L1-MP)治疗前后均差异有统计学意义;软组织测量指标上唇凸点至E线距离(UL-EP)、下唇凸点至E线距离(LL-EP)、眶耳平面和软组织鼻根点与软组织颏前点连线的后下角(FH-N'Pog')、软组织鼻根点、鼻下点和软组织颏前点连线的夹角(N'-Sn-Pog')在治疗前后均差异有统计学意义。结论数字化隐形矫治技术掩饰性治疗骨性Ⅲ类错[牙合]在垂直向控制,减轻牙齿代偿方面较固定矫治技术更有优势。
Objective To investigate the clinical effect of digital invisible orthodontic technology in the treatment of adult mild to moderate bony class Ⅲ malocclusion.Methods A total of 24 adult patients with mild to moderate bony class Ⅲ malocclusion from August 2019 to August 2021 in Hefei Stomatological Hospital were selected,and the observation subjects were divided into observation and control groups,with 12 cases each.The observation group adopted digital invisible orthodontic technology,and the control group adopted fixed orthodontic technology,ie,MBT orthodontic technology.The 16 soft and hard tissue indicators of the head lateral radiographs before and after treatment were measured to compare the differences in soft and hard tissues after treatment between the two groups.Results For bone tissue measurements,the intersection angles of the butterfly saddle point,nasal root point and upper alveolar seat point(SNA)and the intersection angle between the mandibular plane and the anterior cranial base plane(SN-MP)increased after correction compared to before correction(P<0.05).After orthodontic correction,the ANB in the observation group was[−0.22±1.47]compared with the control group[−1.41±0.99];the SN-MP[31.91±5.81]vs[37.07±2.56];the angle of intersection between the mandibular plane and the orbito-orbital plane(FH-MP)[22.80±4.14]compared with[26.74±3.56];and the angle of intersection between the dental plane and the anterior cranial base plane(OP-SN)[10.42±4.31]than[15.93±2.10]were reduced(P<0.05).Among the dental measurements,the intersection angle from the long axis of the upper central incisor to the anterior cranial base plane(U1-SN)and the distance from the incisal point of the lower central incisor to the mandibular plane(L1-MP)differed statistically before and after treatment;the soft tissue measurements of the distance from the upper lip bump to the E line(UL-EP),the distance from the lower lip bump to the E line(LL-EP),the posterior inferior angle of the line connecting the orbito-ear plane an
作者
杨璐
王斌
YANG Lu;WANG Bin(Hefei Clinical College of Stomatology,Anhui Medical University,The Fifth Clinical Medical School of Anhui Medical University,Department of the First Orthodontics,Hefei Stomatological Hospital,Hefei,Anhui 230001,China)
出处
《安徽医药》
CAS
2023年第2期311-315,共5页
Anhui Medical and Pharmaceutical Journal
基金
合肥市科学技术局借转补项目(J2018Y02)。
关键词
错[牙合]
安氏Ⅲ类
正畸矫治器
功能性
成像
三维
垂直向控制
掩饰性治疗
Malocclusion,Angle class Ⅲ
Orthodontic appliances,functional
Imaging,three-dimensional
Vertical control
Camouflage treatment
