目的 评估无托槽隐形矫治应用在正畸拔牙患者中的效果及对牙根吸收、可溶性细胞间黏附分子-1(sICAM-1)的影响。方法 纳入2022年1月—2024年8月的70例正畸拔牙患者,按照治疗方法分组,即对照组(35例,给予固定矫治)、观察组(35例,给予无托槽隐形矫治),评价组间牙根吸收情况、牙周指标、炎症因子、矫治时间。结果 治疗结束时,两组均出现牙根吸收情况,但是观察组无牙根吸收>3 mm病例,而对照组存在牙根吸收>3 mm、>4 mm病例,P<0.05。治疗前,两组牙周指标[龈沟出血指数(SBI)、牙龈指数(GI)、菌斑指数(PLI)]、炎症因子[白介素-1β(IL-1β)、sICAM-1]比较差异无统计学意义(P>0.05)。治疗后,两组SBI、GI、PLI、IL-1β、sICAM-1升高,且观察组SBI、GI、PLI、IL-1β、sICAM-1低于对照组(P<0.05)。与对照组比较,观察组矫治时间更长(P<0.05)。结论 对正畸拔牙患者进行无托槽隐形矫治,虽然治疗时间长,但是可以抑制牙根吸收,减轻炎症反应,提高牙周健康水平。
Objective To evaluate the effect of clear aligner treatment on orthodontic tooth extraction patients and its impact on root resorption and soluble intercellular adhesion molecule-1(sICAM-1).Methods Seventy orthodontic extraction patients from January 2022 to August 2024 were included and divided into two groups according to treatment methods:a control group(35 cases,receiving fixed orthodontic treatment)and an observation group(35 cases,receiving clear aligner treatment). The root resorption,periodontal indicators,inflammatory factors,and orthodontic treatment time between groups were evaluated.Results At the end of treatment,both groups showed root resorption,but there were no cases of root resorption>3 mm in the observation group,while there were cases of root resorption>3 mm and>4 mm in the control group,P<0.05.Before treatment,there was no difference in periodontal indicators(gingival bleeding index[SBI],gingival index[GI],plaque index[PLI]),inflammatory factors(interleukin-1 β[IL-1 β],sICAM-1) between the groups,P>0.05.After treatment,SBI,GI,PLI,IL-1 β,sICAM-1 increased in both groups,but SBI,GI,PLI,IL-1 β,sICAM-1 were lower in the observation group,P<0.05.Compared with the control group,the observation group had a longer orthodontic treatment time,P<0.05.Conclusions Although the clear aligner treatment time for orthodontic extraction patients is longer,it can inhibit root resorption,reduce inflammatory reactions,and improve periodontal health.
目的 探讨Nolla分期对青少年拔牙正畸患者下颌第三磨牙倾斜角的影响。方法 选择2018年10月—2022年10月收治的100例拔牙正畸青少年患者。100例患者均拔除了4颗前磨牙,共有100颗下颌第三磨牙,通过Nolla分期,可将100例患者分成四组,每组25例。Ⅰ组:牙冠正在形成,Ⅱ组:牙冠基本形成,Ⅲ组:牙根形成在1/2以下,Ⅳ组:牙根形成在1/2以上。在治疗前后,测量下颌第三磨牙倾斜角,对角度α的变化进行分析。结果 第三磨牙牙胚倾斜角、MP-SN、MP-FH在不同组间比较差异无统计学意义(F=0.256,P=0.857;F=0.033,P=0.992;F=0.028,P=0.994);治疗前组间下颌第三磨牙角度比较差异无统计学意义(P>0.05),治疗后不同组间下颌第三磨牙角比较差异有统计学意义(F=13.376,P<0.001),治疗前后Ⅰ组、Ⅱ组、Ⅳ组第三磨牙的角度无差异(t=0.757,P=0.453;t=0.224,P=0.824;t=0.852,P=0.399),Ⅲ组治疗后角度变化减少(t=3.697,P<0.001)。结论 青少年正畸拔牙后,下颌第三磨牙处于牙根形成阶段的一半以下可能会导致第三磨牙近中倾斜加重。当下颌第三磨牙处于牙冠形成阶段,牙冠形成超过一半时,第三磨牙角度变化较小。在治疗前应根据Nolla分期评估下颌第三磨牙的预后情况,并及时制定相应的干预策略。
Objective To explore the effect of Nolla staging on the inclination angle of mandibular third molars in adolescent orthodontic patients undergoing tooth extraction. Methods A total of 100 adolescent patients who underwent tooth extraction orthodontic treatment from October 2018 to October 2022 were included.All 100 patients had 4 premolars extracted,with a total of 100 mandibular third molars.According to Nolla staging,the 100 patients can be divided into 4 groups,with 25 cases in each group.Group I:The crown was forming,Group II:The crown was basically formed,Group III:The root formation was below 1/2,Group IV:The root formation was above 1/2.The inclination angle of the mandibular third molar was measured before and after treatment,and the angle α changes will be analyzed. Results There was no difference in the inclination angle,MP-SN,and MP-FH of the third molar tooth germ among different groups(F=0.256,P=0.857;F=0.033,P=0.992;F=0.028,P=0.994).There was no difference in the angle of mandibular third molar teeth between groups before treatment(P>0.05),the contrast of mandibular third molar angles between different groups after treatment was signifiant(F=13.376,P<0.001),while the angles in Group I,Group and Group Ⅳ were not slgnificantly different(t=0.757,P=0.453;t=0.224,P=0.824;t=0.852,P=0.399),and the angle change decreased after treatment in Group Ⅲ(t=3.697,P<0.001). Conclusions After orthodontic extraction in adolescents,if the mandibular third molar is less than half of the root formation stage,it may lead to increased mesial inclination of the third molar.However,when the mandibular third molar is in the stage of crown formation and the crown is more than half formed,the angle change of the third molar is relatively small.Therefore,in clinical practice,Nolla staging should be evaluated in the prognosis of mandibular third molars before treatment and develop corresponding intervention strategies in a timely manner.
目的 分析上颌唇侧倒置埋伏中切牙患者正畸矫治后埋伏牙牙根吸收影响因素。方法 选取2017年8月—2021年5月我院正畸科上颌唇侧倒置埋伏中切牙患者1 542例,统计上颌唇侧倒置埋伏中切牙患者正畸矫治后埋伏牙及牙根吸收发生情况,并进行单因素多因素分析。结果 1 542例上颌唇侧倒置埋伏中切牙患者正畸矫治后共出现埋伏牙186例,其中男102例、女84例,出现埋伏牙1颗最多,占比65.05%,年龄以12~18岁居多,单侧埋伏牙157例(84.41%),双侧埋伏牙29例(15.59%),埋伏牙位置为斜位81例(43.55%),倒置47例25.27%,平行42例(22.58%),水平16例(8.60%);186例正畸矫治后出现埋伏牙的患者中,发生牙根吸收患者75例,发生率为40.32%;出现牙根吸收的患者埋伏牙位置为颌骨中间占比高于未发生牙根吸收患者,近远中分区0~1区占比、年龄均小于未发生牙根吸收患者(P<0.05);埋伏牙位置(颌骨中间)、近远中分区(0~1区)、年龄(低)是上颌唇侧倒置埋伏中切牙患者正畸矫治后埋伏牙牙根吸收的独立危险因素(P<0.05)。结论 上颌唇侧倒置埋伏中切牙患者正畸矫治后埋伏牙发生情况不容乐观,主要为12~18岁的患者为主,且多为单发,牙根吸收发生率较高,主要影响因素包括埋伏牙位置、近远中分区、年龄,临床应根据患者实际情况合理选择治疗方案。
目的 分析安氏Ⅲ类错牙合正畸治疗牙合患者中切牙牙根及牙槽骨形态变化的影响。方法 分析2020年1月—2021年12月于我院口腔科进行正畸治疗的23例安氏Ⅲ类错牙合患者基本资料,对患者予以治疗前后的对锥形束CT测量,记录并对比相关数据,分析正畸治疗对于患者中切牙牙根及牙槽骨的影响。结果 (1)治疗后牙体及牙根长度较治疗前明显减小;(2)患者在治疗后唇、舌侧牙槽骨宽度呈下降趋势,与其他位点相比,上下颌舌侧中牙槽骨更易出现牙根吸收;下颌唇侧中牙槽骨宽度增加明显;(3)治疗后唇、舌侧牙槽骨缺损高度上有所增加,骨开窗、骨开裂位点增多。结论 安氏Ⅲ类错牙合有一定概率会出现牙根吸收等损伤,定期对患者实施锥形束CT检查能够为医生提供清晰准确图像资料支持,帮助医生更好判断患者状况并及时调整和优化治疗方法,以此进一步改善患者预后。
目的 观察牙周基础治疗联合口腔正畸对牙周炎患者炎症细胞因子的疗效分析。方法 以2017年4月—2018年5月于我院医院进行治疗的82例牙周炎患者为研究对象,按随机数字表法分为研究组(41例,给予牙周基础治疗联合口腔正畸)和对照组(41例,口腔正畸)。观察两组患者治疗后临床疗效,对比治疗前后两组患者牙周指数情况、血清炎症因子及咀嚼功能。结果 治疗1周后,研究组有效率高于对照组(97.56% vs 82.93%),组间比较(P<0.05)。治疗前,两组SBI、PLI、GI比较(P>0.05);治疗1周后,两组SBI、PLI、GI均低于治疗前,与对照组SBI、PLI、GI比较,研究组降低,组间比较(P<0.05)。治疗前,两组AL、PD比较(P>0.05);治疗1周后,两组AL、PD均低于治疗前,与对照组AL、PD比较,研究组降低,组间比较(P<0.05)。治疗前,两组TNF-α、IL-8及IL-6水平比较(P>0.05);治疗1周后,两组TNF-α、IL-8及IL-6水平均低于治疗前,与对照组TNF-α、IL-8及IL-6水平比较,研究组下降明显,组间比较(P<0.05)。治疗前,研究组及对照组的咀嚼功能分别为(51±2)分、(52±2)分,两组比较(P>0.05);治疗后1周,研究组及对照组的咀嚼功能分别为(85±4)分、(73±3)分,研究组咀嚼功能明显高于对照组,组间比较(P<0.05)。结论 牙周基础治疗联合口腔正畸治疗牙周炎患者效果确切,可降低炎症反应,值得临床推广应用。
目的 评估无托槽隐形矫治应用在正畸拔牙患者中的效果及对牙根吸收、可溶性细胞间黏附分子-1(sICAM-1)的影响。方法 纳入2022年1月—2024年8月的70例正畸拔牙患者,按照治疗方法分组,即对照组(35例,给予固定矫治)、观察组(35例,给予无托槽隐形矫治),评价组间牙根吸收情况、牙周指标、炎症因子、矫治时间。结果 治疗结束时,两组均出现牙根吸收情况,但是观察组无牙根吸收>3 mm病例,而对照组存在牙根吸收>3 mm、>4 mm病例,P<0.05。治疗前,两组牙周指标[龈沟出血指数(SBI)、牙龈指数(GI)、菌斑指数(PLI)]、炎症因子[白介素-1β(IL-1β)、sICAM-1]比较差异无统计学意义(P>0.05)。治疗后,两组SBI、GI、PLI、IL-1β、sICAM-1升高,且观察组SBI、GI、PLI、IL-1β、sICAM-1低于对照组(P<0.05)。与对照组比较,观察组矫治时间更长(P<0.05)。结论 对正畸拔牙患者进行无托槽隐形矫治,虽然治疗时间长,但是可以抑制牙根吸收,减轻炎症反应,提高牙周健康水平。
Objective To evaluate the effect of clear aligner treatment on orthodontic tooth extraction patients and its impact on root resorption and soluble intercellular adhesion molecule-1(sICAM-1).Methods Seventy orthodontic extraction patients from January 2022 to August 2024 were included and divided into two groups according to treatment methods:a control group(35 cases,receiving fixed orthodontic treatment)and an observation group(35 cases,receiving clear aligner treatment).The root resorption,periodontal indicators,inflammatory factors,and orthodontic treatment time between groups were evaluated.Results At the end of treatment,both groups showed root resorption,but there were no cases of root resorption>3 mm in the observation group,while there were cases of root resorption>3 mm and>4 mm in the control group,P<0.05.Before treatment,there was no difference in periodontal indicators(gingival bleeding index[SBI],gingival index[GI],plaque index[PLI]),inflammatory factors(interleukin-1 β[IL-1 β],sICAM-1) between the groups,P>0.05.After treatment,SBI,GI,PLI,IL-1 β,sICAM-1 increased in both groups,but SBI,GI,PLI,IL-1 β,sICAM-1 were lower in the observation group,P<0.05.Compared with the control group,the observation group had a longer orthodontic treatment time,P<0.05.Conclusions Although the clear aligner treatment time for orthodontic extraction patients is longer,it can inhibit root resorption,reduce inflammatory reactions,and improve periodontal health.