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Assessing effectiveness of WhatsApp messaging program in oral hygiene care for orthodontic patients: A randomised controlled trial. 评估 WhatsApp 消息程序对正畸患者口腔卫生护理的有效性:随机对照试验
IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-12-01 Epub Date: 2024-02-17 DOI: 10.1177/14653125241230561
Shivahami Pubalan, Ooi Zi Hong, Teh Yongxian, Low Mabel

Objective: To evaluate the difference in the oral hygiene status of participants with fixed appliances between a 'weekly WhatsApp application oral hygiene message reminders' trial group and a 'verbal instructions' control group over a follow-up duration of 12 weeks.

Design: Prospective, single-blind, randomised controlled trial with an allocation ratio of 1:1 over a 12-week follow-up.

Setting: Government Orthodontic Unit, Raub Dental Clinic, Raub, Pahang, Ministry of Health, Malaysia.

Participants: A total of 40 patients aged 13-25 years undergoing orthodontic treatment with fixed appliances.

Methods: The 40 patients were recruited and randomly allocated to a control (n = 20) or trial group (n = 20). Participants in the trial group received weekly oral hygiene reminders via the WhatsApp application for 12 weeks, while the control group did not receive any reminders. The primary outcome was oral hygiene, which was measured by the single-blinded examiner using the Orthodontic Plaque Index (OPI) at three orthodontic check-ups: baseline (T0); 6-week follow-up (T1); and 12-week follow-up (T2).

Results: The mean age of participants was 17 years, and 80% were female. At the end of the 12-week follow-up, improvements in OPI scores were observed, regardless of the intervention. At T2, the median OPI score for the trial group (n = 20) was 0 (interquartile range [IQR = 0) while that for the control group (n = 20) was 2 (IQR = 0). A Mann-Whitney U test revealed a statistically significant difference (P <0.05), with effect size r = 0.87 between the control and trial groups, whereby the latter witnessed marked improvement in OPI throughout the visits. No harms or adverse effects occurred in this trial.

Conclusion: The short-term findings demonstrated that participants receiving regular reminders of oral hygiene via WhatsApp messaging had a significant improvement in oral hygiene compared to the control group.

目的评估 "每周使用 WhatsApp 发送口腔卫生信息提醒 "试验组与 "口头指导 "对照组在 12 周随访期间固定矫治器使用者口腔卫生状况的差异:前瞻性、单盲、随机对照试验,分配比例为 1:1,随访 12 周:地点:马来西亚卫生部彭亨州劳布劳布牙科诊所政府正畸科:共有 40 名 13-25 岁的患者正在接受固定矫治器的正畸治疗:方法:招募 40 名患者并随机分配到对照组(20 人)或试验组(20 人)。试验组的参与者每周通过 WhatsApp 应用程序接收口腔卫生提醒,为期 12 周,而对照组则不接收任何提醒。主要结果是口腔卫生,由单盲检查员在三次正畸检查中使用正畸牙菌斑指数(OPI)进行测量:基线(T0);6周随访(T1);12周随访(T2):患者平均年龄为 17 岁,80% 为女性。在为期 12 周的随访结束时,无论采取何种干预措施,患者的 OPI 评分均有所提高。在第二阶段,试验组(20 人)的 OPI 评分中位数为 0(四分位数间距 [IQR = 0]),而对照组(20 人)的 OPI 评分中位数为 2(IQR = 0)。Mann-Whitney U 检验显示,对照组和试验组之间存在显著的统计学差异(P r = 0.87),后者在整个访问期间的 OPI 有明显改善。本试验未出现任何伤害或不良反应:短期研究结果表明,通过 WhatsApp 消息定期提醒口腔卫生的参与者与对照组相比,口腔卫生有了显著改善。
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引用次数: 0
Vertical and sagittal changes produced by an expander with differential opening versus a fan-type expander: A post-hoc analysis of a randomised controlled trial. 具有不同开口的扩张器和扇形扩张器产生的垂直和矢状面变化:一项随机对照试验的事后分析。
IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-12-01 Epub Date: 2023-10-31 DOI: 10.1177/14653125231208465
Rodrigo Teixeira, Camila Massaro, Daniela Garib

Objective: To compare the sagittal and vertical cephalometric effects in participants treated with an expander with differential opening (EDO) versus the fan-type expander (FE).

Design: Two-arm parallel randomised clinical trial (RCT).

Methods: This study comprised cone-beam computed tomography-derived cephalometric images from 48 participants from a RCT. The sample was randomly allocated into two groups. The study was single-blinded. In total, 24 participants were treated with rapid maxillary expansion (RME) using EDO and 24 participants underwent RME using FE. The primary outcomes were the dentoskeletal vertical changes produced by RME. The secondary outcomes were the dentoskeletal sagittal changes. A cephalometric analysis was performed before treatment and 1 or 6 months after the active phase of RME using Dolphin Imaging Software. Intergroup comparisons of interphase changes were performed using the t-test and Mann-Whitney U test (P < 0.05).

Results: The final sample comprised 24 patients (11 men, 13 women; mean age = 7.6 ± 0.9 years) in the EDO group and 24 patients (10 boys, 14 girls; mean age = 7.8 ± 0.9 years) in the FE group. Both expanders produced a similar clockwise rotation of the mandible (FMA; mean difference [MD] = 0.09°, 95% confidence interval [CI] = -1.01 to 0.84). In the FE group, a greater increase of the SNA angle was observed after expansion compared to the EDO group (MD = 1.04°, 95% CI = -1.90 to -1.58). More palatal torque of maxillary incisors was observed in the FE group (MD = 1.32°, 95% CI = 0.05-2.56). Of the participants, 54% reported a little discomfort during the active phase of treatment and 46% of the participants did not report any discomfort.

Conclusion: Both expanders produced similar vertical cephalometric changes. FEs caused slightly more maxillary anterior displacement after expansion with a compensatory palatal torque of the maxillary incisors, compared to the EDOs. However, the amount of sagittal difference was not clinically relevant.

Trial registration: The trial was registered at ClinicalTrials.gov, under the identifier NCT03705871.

目的:比较不同开口扩张器(EDO)和扇形扩张器的参与者的矢状面和垂直头影测量效果。设计:双臂平行随机临床试验(RCT)。方法:本研究包括48名参与者的锥形束计算机断层扫描头影测量图像。将样本随机分为两组。这项研究是单盲的。总共有24名参与者接受了使用EDO的上颌快速扩张(RME)治疗,24名参与者使用FE进行了RME治疗。主要结果是RME引起的牙骨骼垂直变化。次要结果是牙骨骼矢状面变化。使用Dolphin Imaging软件在治疗前和RME活动期后1或6个月进行头影测量分析。使用t检验和Mann-Whitney U检验对间期变化进行组间比较(P<0.05)。两种扩张器都产生了类似的下颌骨顺时针旋转(FMA;平均差[MD]=0.09°,95%置信区间[CI]=1.01至0.84)。在FE组中,与EDO组相比,扩张后SNA角度增加幅度更大(MD=1.04°,95%CI=1.90至-1.58)。FE组上颌切牙的腭扭矩更大(MD=1.32°,95%CI=0.05-2.56)。在参与者中,54%的人报告在治疗的积极阶段有点不适,46%的参与者没有报告任何不适。结论:两种扩张器的垂直头影测量变化相似。与EDO相比,在上颌切牙的腭力矩补偿的情况下,扩张后FEs引起的上颌前移位略多。然而,矢状面差异的大小与临床无关。试验注册:该试验在ClinicalTrials.gov上注册,标识符为NCT03705871。
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引用次数: 0
Perception of maxillary incisor inclination and its correlation with dental cephalometric measurements. 上颌切牙倾斜度的感知及其与牙齿头颅测量的相关性。
IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-12-01 Epub Date: 2024-04-29 DOI: 10.1177/14653125241248663
Sara Palmares, Rui Caseiro, Rui Pereira, Luís Jardim

Objective: To correlate the clinical perception of maxillary incisor inclination from photographs of the smiling face with cephalometric measurements, using conventional incisor axis reference points and crown reference points.

Design: Cross-sectional study.

Setting: Department of Orthodontics, School of Dentistry, University of Lisbon (Portugal).

Participants: Eight orthodontists.

Methods: The perception of maxillary incisor inclination of 47 female patients (mean age 23.4 ± 1.5 years) was evaluated by eight orthodontists. The participants' photographs (smiling frontal, smiling three-quarter and smiling profile) were shown to each assessor and a continuous visual analogue rating scale was used to assess the perception of maxillary incisor inclination. Pearson's correlation and linear regression were calculated between each cephalometric measurement and the perception of incisor inclination.

Results: Anatomical crown inclination measurements U1ac-FH (r = 0.854; P < 0.01) and U1ac-SN (r = 0.845; P < 0.01) had the highest correlation values with the assessors' perception of maxillary incisor inclination. Conventional incisor axis measurements showed the lowest correlation values (r = 0.668-0.756).

Conclusion: Cephalometric measurements of the labial surface of the anatomical crown of the maxillary incisors showed the strongest correlations with the clinical perception of maxillary incisor inclination from photographs. For optimal aesthetics, the inclination of the labial surface of maxillary incisor crown should be evaluated.

目的使用传统的切牙轴参考点和牙冠参考点,将临床上从笑脸照片中对上颌切牙倾斜度的感知与头颅测量结果进行对比:横断面研究:地点:葡萄牙里斯本大学牙科学院正畸学系:方法方法:由八名正畸医生对 47 名女性患者(平均年龄为 23.4 ± 1.5 岁)的上颌切牙倾斜感进行评估。向每位评估者展示参与者的照片(正面微笑、四分之三微笑和侧面微笑),并使用连续的视觉模拟评分量表来评估对上颌切牙倾斜度的感知。计算了每项头颅测量与切牙倾斜度感知之间的皮尔逊相关性和线性回归:解剖学上的牙冠倾斜测量结果 U1ac-FH(r = 0.854;P P 结论:上颌切牙解剖牙冠唇面的头形测量结果与上颌切牙倾斜度的临床照片相关性最强。为了达到最佳美学效果,应评估上颌切牙冠唇面的倾斜度。
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引用次数: 0
Guest Editorial. 客人编辑。
IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-12-01 DOI: 10.1177/14653125241291966
Andrew DiBiase
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引用次数: 0
Comparison of 3D Easy Box cone-beam computed tomography analysis with 2D Modified Easy Box on OPG as a prognostic tool for impacted maxillary canines: A pilot study. 三维简易方框锥束计算机断层扫描分析与二维改良简易方框对作为上颌犬齿撞击预后工具的 OPG 的比较:试点研究。
IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-12-01 Epub Date: 2024-04-01 DOI: 10.1177/14653125241242138
Rochelle Dias, Himanshu Kanungo, Mukesh Gupta, Kratika Mishra, Akanksha Soni, Aayush Jaiswal

Objective: To assess and compare the validity of 2D modified Easy Box and measurement of the Beta angle on standard conventional orthopantomogram (OPG) versus 3D cone-beam computed tomography (CBCT) OPG-constructed view.

Design: A retrospective agreement study.

Methods: The aim of this study was to construct an Easy Box on a standard conventional OPG and to validate this novel method by comparing it with the Easy Box method on 3D CBCT. After approval from the Ethics Committee, OPG and CBCT radiographs were obtained for the study from departmental records and five private practices in the same location (Indore, India). The radiographs were selected based on record availability and with written consent from the participants before the commencement of the study. The records were analysed to enable a comparison and to assess the accuracy of Easy Box construction on both 3D CBCT and standard conventional OPG radiographs. The location of the impacted canine within the Easy Box boundaries and the measurement of the Beta angle were determined on both views.

Results: A perfect agreement was obtained for the comparison of 3D Easy Box CBCT analysis with 2D modified Easy Box on OPG for impacted maxillary canines (Kappa = 1.0). A Bland-Altman (LoA) analysis showed no proportional bias in the comparison of the Beta angle on 3D and 2D OPG radiographs.

Conclusion: Beta angle and 2D modified Easy Box on a conventional OPG yield similar results when compared to Easy Box on 3D CBCT OPG-constructed view. The standard OPG was valuable and cost-effective, particularly in the early stages of diagnosis and treatment planning, either as a substitute or when CBCT was unavailable.

目的评估和比较二维改良简易方框的有效性,以及在标准传统正侧位图(OPG)和三维锥束计算机断层扫描(CBCT)OPG 构建视图上测量 Beta 角的有效性:设计:一项回顾性协议研究:本研究的目的是在标准常规 OPG 上构建简易方框,并通过与三维 CBCT 上的简易方框方法进行比较来验证这种新方法。在获得伦理委员会批准后,研究人员从科室记录和同一地点(印度印多尔)的五家私人诊所获取了 OPG 和 CBCT X 光片。根据记录的可用性并在研究开始前征得参与者的书面同意后,选择了这些射线照片。我们对这些记录进行了分析,以便对 3D CBCT 和标准传统 OPG X 光片上的 Easy Box 构建的准确性进行比较和评估。在两个切面上都确定了受撞击犬齿在 Easy Box 边界内的位置以及 Beta 角的测量值:结果:对于上颌撞击性犬齿,三维 Easy Box CBCT 分析与二维改良 Easy Box OPG 比较结果完全一致(Kappa = 1.0)。Bland-Altman(LoA)分析表明,三维和二维 OPG X 光片上 Beta 角的比较没有比例偏差:结论:传统 OPG 上的 Beta 角和二维改良 Easy Box 与三维 CBCT OPG 构建视图上的 Easy Box 相比,结果相似。标准 OPG 具有价值和成本效益,尤其是在诊断和治疗计划的早期阶段,可以替代 CBCT 或在没有 CBCT 的情况下使用。
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引用次数: 0
Editorial. 社论。
IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-12-01 DOI: 10.1177/14653125241291965
Jayne Harrison
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引用次数: 0
Letter to the Editor: A Systematic Review a Day, Keeps the Reader Away! 给编辑的信:每天一篇系统的评论,让读者远离你!
IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-12-01 DOI: 10.1177/14653125241268746
Samer Mheissen
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引用次数: 0
Adult orthodontic patients: What is important to them? 成人正畸患者:什么对他们很重要?
IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-12-01 Epub Date: 2024-06-10 DOI: 10.1177/14653125241256975
Aoibheann Wall, Neil Hillyard, Fiona S Ryan, Susan J Cunningham

Objective: To understand patients' motivations for pursuing treatment, to appreciate what information patients seek and to explore potential factors affecting decision making in adults considering, undergoing or who have had orthodontic treatment in the private sector.

Design: Cross-sectional questionnaire study.

Setting: Online questionnaire.

Participants: A total of 209 (83% women, 16% men, 1% preferred not to say) completed responses were received.

Methods: Once piloted, the final survey was made available online to adults in the United Kingdom (UK) and Republic of Ireland (RoI) who were either considering having orthodontic treatment, currently undergoing treatment or had recently completed treatment in the private sector.

Results: The most commonly selected motivating factor was to 'improve the appearance of my teeth' (82%). The information sought related predominantly to treatment duration (64%), potential end results (56%), types of appliances that were available (55%) and cost (52%). The two most commonly reported social factors that had influenced participants to consider treatment were 'seeing myself on social media' (31%) and 'it is more socially acceptable to have braces' (31%).

Conclusion: While this area remains relatively underexplored in the literature, it is crucial to develop a comprehensive understanding due to the increasing number of adults seeking orthodontic treatment. This study not only reinforces the existing knowledge regarding adults seeking orthodontic treatment, such as the predominant role of aesthetics as a motivating factor, but also introduces some novel insights. Specifically, we highlight the influence of social factors on decision-making processes and the importance of effectively communicating the duration of treatment to patients.

目的:了解患者接受治疗的动机,了解患者寻求哪些信息,并探讨影响患者在私立机构考虑、接受或已接受牙齿矫正治疗的决策的潜在因素:了解患者接受治疗的动机,了解患者寻求哪些信息,并探讨影响正在考虑、接受或已经在私立机构接受过正畸治疗的成年人做出决定的潜在因素:设计:横断面问卷调查:参与者共收到 209 份填写完整的问卷(83% 为女性,16% 为男性,1% 不愿透露):方法:最终调查问卷经试用后,在网上提供给英国(UK)和爱尔兰共和国(RoI)正在考虑接受正畸治疗、目前正在接受治疗或最近在私人机构完成治疗的成年人:最常见的动机是 "改善牙齿外观"(82%)。所寻求的信息主要涉及治疗时间(64%)、潜在的最终效果(56%)、可供选择的矫治器类型(55%)和费用(52%)。影响参与者考虑治疗的两个最常见的社会因素是 "在社交媒体上看到自己"(31%)和 "戴牙套更容易被社会接受"(31%):虽然文献中对这一领域的研究相对较少,但由于寻求正畸治疗的成年人人数不断增加,因此全面了解这一领域至关重要。本研究不仅加强了有关成人寻求正畸治疗的现有知识,如美学作为一个动机因素的主导作用,而且还提出了一些新的见解。具体来说,我们强调了社会因素对决策过程的影响,以及向患者有效传达治疗持续时间的重要性。
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引用次数: 0
Inter-septal bone reduction: Impact on space closure, root resorption and canine angulation during en-masse retraction - a randomised controlled trial. 间隔骨复位:对间隙闭合、牙根吸收和犬牙成角的影响——一项随机对照试验。
IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-11-29 DOI: 10.1177/14653125241283053
Kurapati Jyothsna, Kiran Kumar Dodda, Naresh Vattikunta, Eswar Prasad Singamsetty, Jashva Vamsi Kogila, Katragadda Saveri, Sai Vyshnavi Palakolanu, Bharath Reddy

Objective: To compare the space closure, root resorption and canine angulation during en-masse retraction of the labial segment after extraction of first premolars with or without interseptal bone reduction distal to the maxillary canines.

Design: A single-centre, parallel randomised control trial included 16 participants with a mean age of 21.5 years. Participants were allocated into treatment groups using blocked randomisation, and blinding was employed for outcome assessors and data analysts.

Interventions: The control group consisted of eight participants who underwent therapeutic extraction of maxillary first premolars, while the experimental group included eight participants who underwent interseptal bone reduction immediately after premolar extraction. En-masse retraction was performed using conventional friction mechanics with absolute anchorage in both groups.

Outcomes: Measurements of space closure were conducted over 3 consecutive months during retraction. The time taken for total space closure was recorded. Cone-beam computed tomography scans were taken before and 3 months after retraction to assess root resorption and canine angulation.

Results: The experimental group demonstrated a significant increase in the rate of en-masse retraction compared to the control group over 3 months (mean difference [MD] = 1.09 mm, 95% confidence interval [CI] = 0.78-1.40), with an overall space closure rate of MD 0.26 mm/month (95% CI = 0.17-0.34). However, these changes were of minimal clinical significance. The change in canine angulation (MD = 4.50°, 95% CI = -1.61-10.61) did not exhibit statistical significance. Substantial root resorption was observed in six maxillary anterior teeth, with no difference between the groups.

Conclusion: Interseptal bone reduction is a minimally invasive surgical technique, resulting in a notably accelerated rate of en-masse retraction in the experimental group over 3 months. However, despite the statistical significance, the clinical impact on overall space closure was minimal, with a difference of only 0.26 mm/month observed between the groups. Interseptal bone reduction did not affect the change in canine angulation and root resorption.

目的:比较上颌远端间隔骨复位与不间隔骨复位的第一前磨牙拔除后唇段大规模内缩时的间隙闭合、牙根吸收和犬牙成角情况。设计:一项单中心、平行随机对照试验,包括16名参与者,平均年龄21.5岁。参与者被随机分配到不同的治疗组,结果评估者和数据分析者采用盲法。干预措施:对照组包括8名治疗性拔除上颌第一前磨牙的参与者,实验组包括8名拔除前磨牙后立即进行间隔骨复位的参与者。两组均采用常规摩擦力学进行绝对锚定的大规模牵张。结果:在牵开期间连续3个月测量间隙闭合。记录整个空间关闭所花费的时间。在拔牙前和拔牙后3个月进行锥形束计算机断层扫描,评估牙根吸收和犬牙成角。结果:与对照组相比,实验组在3个月内整体内收率显著增加(平均差[MD] = 1.09 mm, 95%可信区间[CI] = 0.78-1.40),整体间隙关闭率MD为0.26 mm/月(95% CI = 0.17-0.34)。然而,这些变化的临床意义很小。犬成角变化(MD = 4.50°,95% CI = -1.61 ~ 10.61)无统计学意义。6颗上颌前牙牙根吸收明显,两组间无明显差异。结论:间隔间骨复位是一种微创手术技术,实验组在3个月的时间内整体内缩速度明显加快。然而,尽管有统计学意义,但对整体间隙闭合的临床影响很小,两组之间的差异仅为0.26 mm/月。隔间骨复位不影响犬牙成角和牙根吸收的变化。
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引用次数: 0
Is occlusal contact re-established within 6 months after bonding of a fixed anterior bite plane in adolescents with a Class II division 2 incisor relationship? A randomised controlled trial. 在粘接固定前牙咬合平面后的 6 个月内,是否能重新建立咬合接触?随机对照试验。
IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-09-30 DOI: 10.1177/14653125241277832
Evelyn Dunbar, Elinor Chalmers, Gautham Sivamurthy, Gavin Revie, Grant T McIntyre, Peter A Mossey

Objective: To determine if re-establishment of occlusal contact was achieved within 6 months after insertion of a fixed anterior bite plane in individuals with Class II division 2 incisor relationship, and to evaluate the occlusal and vertical skeletal changes and acceptance of the intra-oral scanner and bite plane.

Design: Single-centre two-arm parallel group randomised controlled trial with 1:1 allocation to intervention and control groups.

Setting: Dundee Dental Hospital and Research School, UK.

Participants: A total of 38 participants aged 9-16 years (11 males, 27 females) with Class II division 2 incisor relationship and increased overbite (greater than one-third incisor overlap).

Methods: Participants were randomised to intervention (n = 19) and control (n = 19) groups using block randomisation. The intervention group had a fixed anterior bite plane, and the occlusion and vertical facial dimensions were monitored with intra-oral scans, lateral cephalograms and photographs. The control group received no treatment and occlusal and vertical facial dimensions were monitored with scans and photographs. Questionnaires were completed by participants and parents/carers. An intention-to-treat analysis was planned.

Results: The overbite reduced in all participants in the intervention group (mean initial overbite: 5.07 mm, 95% confidence interval [CI] = 4.15-6.00; mean overbite after 6 months: 2.45 mm, 95% CI = 1.93-2.96). There was a mean incisor intrusion of 0.29 mm (95% CI = 0.17-0.42) and mean eruption of the first molars of 0.23 mm (95% CI = 0.09-0.37). There was no significant change in incisor inclination or vertical skeletal change. Feedback from participants and their parents/carers were generally positive.

Conclusion: Fixed anterior bite planes effectively reduce an increased overbite in adolescents with a Class II division 2 incisor relationship, due to a combination of incisor intrusion and molar eruption with no change in incisor inclination or vertical skeletal change. Intra-oral scanning and fixed anterior bite planes are acceptable in adolescents.

目的确定在安装固定前牙咬合平面后6个月内,门牙关系为II类2分化的患者能否重新建立咬合接触,并评估咬合和垂直骨骼的变化以及口内扫描仪和咬合平面的接受程度:单中心双臂平行组随机对照试验,干预组和对照组的分配比例为1:1:地点:英国邓迪牙科医院和研究学院:共 38 名 9-16 岁的参与者(11 名男性,27 名女性),切牙关系为 II 类 2 分段,咬合过度(切牙重叠超过三分之一):采用整群随机法将参与者随机分为干预组(19 人)和对照组(19 人)。干预组采用固定的前咬合平面,并通过口内扫描、侧位头影和照片监测咬合情况和面部垂直尺寸。对照组不接受任何治疗,通过扫描和照片监测咬合和面部垂直尺寸。参与者和家长/监护人填写了调查问卷。计划进行意向治疗分析:结果:干预组的所有参与者的咬合过度都有所减轻(初始咬合过度的平均值为5.07毫米,95%的置信区间为0.5毫米):5.07毫米,95%置信区间[CI] = 4.15-6.00;6个月后的平均咬合过度为2.45毫米,95%置信区间[CI] = 4.15-6.00:2.45 毫米,95% 置信区间 = 1.93-2.96)。门牙内陷的平均值为 0.29 毫米(95% CI = 0.17-0.42),第一磨牙萌出的平均值为 0.23 毫米(95% CI = 0.09-0.37)。门牙倾斜度和垂直骨骼变化均无明显变化。参与者及其父母/监护人的反馈普遍良好:结论:固定前牙咬合平面可有效减少青少年因门牙内陷和磨牙萌出而导致的第二类第二排门牙咬合关系的过度咬合,而门牙倾斜度和垂直骨骼变化均无变化。口内扫描和固定前咬合平面对于青少年来说是可以接受的。
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引用次数: 0
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Journal of Orthodontics
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