Journal of Orthodontic Science最新文献_第4页

Estimating the validity of Tanaka-Johnston and Moyer's analysis of a Saudi sample. 估算田中-约翰斯顿和莫耶对沙特样本分析的有效性。

Q2 Dentistry

Journal of Orthodontic Science

Pub Date : 2024-09-17 eCollection Date: 2024-01-01 DOI: 10.4103/jos.jos_5_24

Ahmad A Al-Fraidi, Abdulsamad Talaat Habeeb, Sarah Awadh Alserhani, Raood Talal Al-Kaki, Saleh Saeed Alkhathami, Hadeel Ahmed Bafaqeeh

Objectives: Accurate estimation of unerupted permanent canines and premolars is a crucial step for effective orthodontic treatment planning during mixed dentition. This study aimed to evaluate the validity of Moyers' charts and the Tanaka-Johnston equation in predicting tooth sizes in a sample of the Madina population in Saudi Arabia and propose a new regression equation.

Methods: Dental casts from 219 subjects (113 males and 106 females) were analyzed. Actual mesiodistal tooth widths were measured using digital calipers with an accuracy of 0.01 mm. Moyers' and Tanaka-Johnston predictions were compared with actual measurements, and a new set of prediction equations was developed.

Results: Tanaka-Johnston predictions consistently overestimated the actual measurements, exhibiting a difference of 1.20 mm for maxillary canines and premolars and a difference of 1.25 mm for mandibular teeth. The Moyers chart showed gender-specific variations with males aligning with the 50^th percentile and females aligning with the 65^th percentile for upper arches and the 50^th percentile for lower arches. Newly derived linear regression equations were established for predicting the sum of upper and lower canines and premolars for the Madina population.

Conclusion: The study highlights limitations in the Moyers and Tanaka-Johnston methods used for the current sample as both methods overestimated tooth sizes. New regression equations were developed to offer a more accurate approach for predicting tooth sizes for the study sample.

目的：准确估计未萌出的恒牙犬齿和前臼齿是在混合牙期间有效制定正畸治疗计划的关键步骤。本研究旨在评估莫耶斯图表和田中-约翰斯顿方程在预测沙特阿拉伯麦地那人群牙齿大小方面的有效性，并提出一个新的回归方程：方法：分析了 219 名受试者（男性 113 人，女性 106 人）的牙齿模型。使用精确度为 0.01 毫米的数字卡尺测量实际齿间宽度。将莫耶斯和田中-约翰斯顿的预测值与实际测量值进行比较，并开发了一套新的预测方程：结果：田中-约翰斯顿的预测值始终高估了实际测量值，上颌犬齿和前臼齿的预测值相差 1.20 毫米，下颌牙齿的预测值相差 1.25 毫米。莫耶斯图表显示了性别差异，男性上牙弓与第 50 百分位数一致，女性上牙弓与第 65 百分位数一致，下牙弓与第 50 百分位数一致。新推导出的线性回归方程可用于预测麦地那人群上下犬齿和前臼齿的总和：该研究强调了用于当前样本的莫耶斯和田中-约翰斯顿方法的局限性，因为这两种方法都高估了牙齿的大小。研究开发了新的回归方程，为预测研究样本的牙齿大小提供了更准确的方法。

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引用次数: 0

Graphene as a promising material in orthodontics: A review 石墨烯是一种前景广阔的正畸材料：综述

Q2 Dentistry

Journal of Orthodontic Science

Pub Date : 2024-05-01 DOI: 10.4103/jos.jos_3_24

Afaf H. Hussein, Yassir A. Yassir

Graphene is an extraordinary material with unique mechanical, chemical, and thermal properties. Additionally, it boasts high surface area and antimicrobial properties, making it an attractive option for researchers exploring innovative materials for biomedical applications. Although there have been various studies on graphene applications in different biomedical fields, limited reviews have been conducted on its use in dentistry, and no reviews have focused on its application in the orthodontic field. This review aims to present a comprehensive overview of graphene-based materials, with an emphasis on their antibacterial mechanisms and the factors that influence these properties. Additionally, the review summarizes the dental applications of graphene, spotlighting the studies of its orthodontic application as they can be used to enhance the antibacterial and mechanical properties of orthodontic materials such as adhesives, archwires, and splints. Also, they can be utilized to enhance bone remodeling during orthodontic tooth movement. An electronic search was carried out in Scopus, PubMed, Science Direct, and Wiley Online Library digital database platforms using graphene and orthodontics as keywords. The search was restricted to English language publications without a time limit. This review highlights the need for further laboratory and clinical research using graphene-based materials to improve the properties of orthodontic materials to make them available for clinical use.

石墨烯是一种非凡的材料，具有独特的机械、化学和热性能。此外，石墨烯还具有高比表面积和抗菌特性，因此对于探索生物医学应用创新材料的研究人员来说，石墨烯是一种极具吸引力的选择。虽然对石墨烯在不同生物医学领域的应用进行了各种研究，但对其在牙科领域的应用进行的综述却很有限，也没有综述关注其在正畸领域的应用。本综述旨在全面概述石墨烯基材料，重点介绍其抗菌机制以及影响这些特性的因素。此外，综述还总结了石墨烯在牙科领域的应用，重点介绍了其在正畸领域的应用研究，因为石墨烯可用于增强正畸材料（如粘合剂、弓丝和夹板）的抗菌和机械性能。此外，在正畸牙齿移动过程中，它们还可用于增强骨重塑。以石墨烯和正畸为关键词，在 Scopus、PubMed、Science Direct 和 Wiley Online Library 数字数据库平台上进行了电子检索。搜索仅限于英文出版物，没有时间限制。这篇综述强调了利用石墨烯基材料进一步开展实验室和临床研究的必要性，以改善正畸材料的性能，使其可用于临床。

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引用次数: 0

Orthodontic pain is related to oral health-related quality of life in orthodontic patients 正畸疼痛与正畸患者口腔健康相关的生活质量有关

Q2 Dentistry

Journal of Orthodontic Science

Pub Date : 2024-05-01 DOI: 10.4103/jos.jos_103_23

Nadira Raevanisa, I. Narmada, A. Alida, Alexander Patera Nugraha, S. Ramadayanti, I. D. A. A. Pradnyaswari, Shailesh Deshmukh

Orthodontic pain (OP) is a subjective experience induced by prolonged force on the teeth in fixed orthodontic treatment. OP acts as a predictor of aspects related to oral health-related quality of life (OHRQOL). It is important to understand the extent of the impact of OP on a patient’s daily life, especially on stomatognathic function and social impact. To assess the correlation between OP and OHRQOL in fixed orthodontic treatment patients. The comparative pain rating scale is used to assess pain intensity, while the oral health impact profile-14 (OHIP-14) assesses the impact of OP severity on OHRQOL of 57 patients undergoing fixed orthodontic treatment in the early stages of treatment (1–3 months of treatment) at the Dental Hospital, Universitas Airlangga. Gender, age, and malocclusion classifications were also analyzed for their influence. The data were analyzed using Spearman correlation and two-way analysis of variance (ANOVA). In the initial phase of treatment, most of the patients (53%) experienced mild OP and moderate OP (39%), and OP was reduced over a week. The overall OHRQOL score was 17.4 ± 8, which indicates a negative impact on OHRQOL. There were also positive correlation dimensions of OHRQOL, which include the dimensions of physical limitations, psychological discomfort, and psychological limitations (r > 0.50). There was a significant difference between age groups in OP perception and OHRQOL (P < 0.05). There was a positive correlation between OP intensity and OHRQOL experienced by fixed orthodontic patients at the Dental Hospital, Universitas Airlangga.

正畸疼痛（OP）是固定正畸治疗中牙齿长时间受力引起的主观感受。OP 是与口腔健康相关的生活质量 (OHRQOL) 的预测因子。了解 OP 对患者日常生活的影响程度非常重要，尤其是对口腔功能和社会影响。评估固定正畸治疗患者的 OP 与 OHRQOL 之间的相关性。比较疼痛评分量表用于评估疼痛强度，而口腔健康影响档案-14（OHIP-14）则用于评估 57 名在 Universitas Airlangga 牙科医院接受固定正畸治疗的早期（治疗 1-3 个月）患者的 OP 严重程度对 OHRQOL 的影响。此外，还分析了性别、年龄和错合畸形分类对其影响。数据采用斯皮尔曼相关性和双向方差分析（ANOVA）进行分析。在治疗初期，大多数患者（53%）出现轻度 OP 和中度 OP（39%），一周后 OP 有所减轻。总体 OHRQOL 得分为（17.4 ± 8），表明对 OHRQOL 有负面影响。此外，OHRQOL 的身体限制、心理不适和心理限制等维度也呈正相关（r > 0.50）。不同年龄组在 OP 感知和 OHRQOL 方面存在明显差异（P < 0.05）。在 Universitas Airlangga 牙科医院，固定正畸患者的 OP 强度与 OHRQOL 之间存在正相关。

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引用次数: 0

White spot lesions in fixed orthodontic treatment: Etiology, pathophysiology, diagnosis, treatment, and future research perspectives 固定正畸治疗中的白斑病损：病因、病理生理学、诊断、治疗和未来研究展望

Q2 Dentistry

Journal of Orthodontic Science

Pub Date : 2024-05-01 DOI: 10.4103/jos.jos_205_23

Suma Shankarappa, Jerusha Titus Burk, Pradeep Subbaiah, Raghunath Nagasundara Rao, V. Doddawad

White spot lesions (WSLs) refer to localized areas of hypo-mineralization limited to the enamel of the teeth surface, which is noticeable clinically to the naked eye on drying of the teeth. During fixed orthodontic treatment, it is very hard for the patient to maintain excellent oral hygiene as the brackets, bands, wires, elastics, and other appliances and attachments worn intra-orally provide a platform for food retention, plaque formation, and then colonization by acidogenic bacteria like Streptococcus mutans and Lactobacillus. This review aims to elaborate and focus on etiology, pathophysiology, diagnosis, treatment aspect, and future scope for research about the WSLs occurring due to fixed orthodontic treatment.

白斑病（WSLs）是指局限于牙齿表面珐琅质的局部低矿化区域，临床上肉眼可以明显看到牙齿干燥。在固定正畸治疗期间，患者很难保持良好的口腔卫生，因为口腔内佩戴的托槽、带环、钢丝、弹力带和其他矫治器和附件为食物滞留、菌斑形成以及变异链球菌和乳酸杆菌等酸性细菌的定植提供了平台。本综述旨在阐述并重点介绍固定正畸治疗导致的WSL的病因、病理生理学、诊断、治疗方面以及未来的研究范围。

引用次数: 0

Assessment of salivary tumor necrosis factor-alpha level in the initial stages of treatment with fixed appliances and clear aligners 固定矫治器和透明矫治器治疗初期的唾液肿瘤坏死因子-α水平评估

Q2 Dentistry

Journal of Orthodontic Science

Pub Date : 2024-05-01 DOI: 10.4103/jos.jos_81_23

Sarfraz Hassan, Mukul Shetty, Shravan Shetty, Roopak Naik

To assess and compare the tumor necrosis factor-alpha (TNF-α) levels in saliva samples during the initial stages of orthodontic treatment with fixed orthodontic appliances (FAs) and clear aligners (CAs). This longitudinal study comprised 40 patients (22 males, 18 females, mean age 22 ± 7 years) who were categorized into two equal-sized groups. Group A comprised 20 patients treated with FA, and Group B comprised 20 patients treated with CA. Unstimulated saliva was collected before the intiation of treatment and then collected again after the placement of the FA/CA at 24 hrs, 7th day, and on the 21st day in both groups. TNF-α levels were determined through ELISA. The data were subjected to statistical analysis. For intragroup comparison of TNF-α at different time points, the Wilcoxon matched-pairs signed-rank test was used, and for intergroup comparison of FAs and CAs at different time points, the Mann–Whitney U test was used. TNF-α levels in the saliva increased significantly at 24 hours, followed by a decline on the 7th day and 21st day in both groups. Changes in TNF-α levels were significantly higher in the FA group than those in the CA group at different time points. This study showed that the salivary TNF-α levels increased significantly during the initial stages of FA and CA treatment at different time points. The mean salivary TNF-α level in both FA and CA groups increased significantly at 24 hours, followed by a decline on the 7th day and then on the 21st day. There was a significant difference between the FA and CA treatment, where the CAs showed a significantly low level of TNF-α in saliva at different intervals of time when compared to the FAs.

目的：评估并比较使用固定矫治器（FA）和透明矫治器（CA）进行正畸治疗初期唾液样本中的肿瘤坏死因子-α（TNF-α）水平。这项纵向研究将 40 名患者（22 名男性，18 名女性，平均年龄为 22 ± 7 岁）分为两组，每组人数相等。A 组包括 20 名接受 FA 治疗的患者，B 组包括 20 名接受 CA 治疗的患者。两组患者在开始治疗前收集未刺激的唾液，然后在放置 FA/CA 后的 24 小时、第 7 天和第 21 天再次收集唾液。通过 ELISA 方法测定 TNF-α 水平。对数据进行统计分析。不同时间点 TNF-α 的组内比较采用 Wilcoxon 配对符号秩检验，不同时间点 FAs 和 CAs 的组间比较采用 Mann-Whitney U 检验。两组唾液中的TNF-α水平在24小时时显著升高，随后在第7天和第21天有所下降。在不同时间点，FA组的TNF-α水平变化明显高于CA组。本研究表明，在FA和CA治疗初期，不同时间点唾液TNF-α水平均显著升高。FA组和CA组唾液中TNF-α的平均水平在24小时时显著升高，随后在第7天和第21天有所下降。FA组和CA组在不同时间段的唾液中TNF-α水平明显低于FA组，两者之间存在明显差异。

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引用次数: 0

Effectiveness of fluoride mouthrinse in prevention of demineralization during fixed orthodontic treatment: A systematic review and meta-analysis 含氟漱口水在固定正畸治疗期间预防脱矿的效果：系统回顾和荟萃分析

Q2 Dentistry

Journal of Orthodontic Science

Pub Date : 2024-05-01 DOI: 10.4103/jos.jos_116_23

A. Jha, A. V. Mahuli, S. K. Verma, Surender Kumar, Om Prakash, Subia Ekram, Ankita Mathur, Vini Mehta

Enamel demineralization is a very common occurrence around bonded brackets in an orthodontic practice. Fluoride (FLR) applications have been used to prevent decalcification and further progression of white spot lesions. The purpose of this systematic review and meta-analysis was to systematically appraise available literature on the effectiveness of fluoride mouthrinse in the prevention of demineralization around fixed orthodontic appliances. A search was conducted for randomized controlled clinical trials among four electronic databases (MEDLINE, Google Scholar, PubMed, and Cochrane Review) through MeSH terms and keywords. Studies were excluded if random allocation was not conducted, or if they were animal or in vitro studies. About 146 articles were screened and 5 studies were selected for the present review. Only two studies were selected for MA due to variations in the measurement of outcomes among studies. This review concluded that rinsing with FLR in the course of the fixed orthodontic treatment lessens demineralization around the bracket. Using FLR mouthrinse to inhibit the formation of white spot lesions or dental caries in patients with multiple cavities or restoration can be considered in clinical practice.

在正畸实践中，牙釉质脱钙是粘结托槽周围非常常见的现象。使用氟化物（FLR）可以防止脱钙和白斑病的进一步发展。本系统综述和荟萃分析的目的是系统评估现有文献中关于含氟漱口水在预防固定正畸矫治器周围脱钙方面的效果。我们通过 MeSH 术语和关键词在四个电子数据库（MEDLINE、Google Scholar、PubMed 和 Cochrane Review）中搜索了随机对照临床试验。如果研究未进行随机分配，或者是动物或体外研究，则排除在外。共筛选出约 146 篇文章，其中 5 项研究被选入本综述。由于各研究对结果的测量存在差异，只有两项研究被选作 MA。本综述得出的结论是，在固定正畸治疗过程中使用福林漱口水可减少托槽周围的脱矿。在临床实践中，可以考虑在有多个龋齿或修复体的患者中使用福林漱口水来抑制白斑病变或龋齿的形成。

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引用次数: 0

The relationship between orthodontic and orthopaedic interventions in the influence of postural position on the bite 正畸和矫形干预对咬合姿势影响的关系

Q2 Dentistry

Journal of Orthodontic Science

Pub Date : 2024-05-01 DOI: 10.4103/jos.jos_207_23

Vladislav Kiosse

In orthodontic treatment, the influence of posture on the bite plays a significant role in achieving stable results. With modern lifestyles, posture problems are becoming more common. The aim of this study was to comprehensively analyze the relationship between orthodontics, orthopedics, and the influence of posture on bite. The study reviewed statistics on the growth and popularity of orthodontic treatment methods and identified the importance of a comprehensive medical approach, especially for concomitant spine, posture, and flat feet problems. The following methods were used to achieve the objective: collection and analysis of statistical data on the popularity of orthodontic treatment; review of studies; clinical observations; and a comparative analysis of the effectiveness of different treatment methods. The study revealed a high degree of correlation between orthodontics, orthopedics, and the effect of posture on bite formation. A detailed analysis of the statistical data confirmed the increased interest in orthodontic treatment, including the use of modern technologies such as braces and eliners. This relevance is particularly noticeable in cases where there are concomitant problems with the spine, posture, and flat feet. One of the significant findings of the study was the confirmation of the urgent need for the convergence of orthodontic and orthopedic techniques to optimize the quality of care for patients suffering from combined posture and bite problems.

在正畸治疗中，姿势对咬合的影响对取得稳定的治疗效果起着重要作用。随着现代生活方式的发展，姿势问题变得越来越普遍。本研究旨在全面分析正畸、矫形和姿势对咬合影响之间的关系。研究回顾了有关正畸治疗方法的增长和普及的统计数据，明确了综合医疗方法的重要性，尤其是对于同时存在的脊柱、姿势和扁平足问题。研究采用了以下方法来实现目标：收集和分析有关正畸治疗普及情况的统计数据；回顾研究；临床观察；以及对不同治疗方法的有效性进行比较分析。研究显示，正畸、矫形和姿势对咬合形成的影响之间存在高度相关性。对统计数据的详细分析证实，人们对正畸治疗的兴趣日益浓厚，包括使用现代技术，如牙套和矫治器。在脊柱、姿势和扁平足同时存在问题的情况下，这种相关性尤为明显。研究的重要发现之一是证实了将正畸和矫形技术结合起来以优化对合并有姿势和咬合问题的患者的治疗质量的迫切需要。

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引用次数: 0

Tooth movement with dental anchorage vs. skeletal anchorage: A systematic review of clinical trials 牙科固定与骨骼固定的牙齿移动：临床试验系统回顾

Q2 Dentistry

Journal of Orthodontic Science

Pub Date : 2024-05-01 DOI: 10.4103/jos.jos_4_23

V. Ravelo, G. Olate, Leonardo Brito, Roberto Sacco, Sergio Olate

The aim of this study is to compare the time and movement of orthodontic treatment using dental anchorage and skeletal anchorage in adolescent and adult patients with dental malocclusions. A systematic search was conducted in the Embase, PubMed, Lilacs, Cochrane, Trip, and Scopus databases up to October 2022. All the articles were selected using title and abstract, applying the inclusion and exclusion criteria. Disagreements were resolved with a third author. Finally, a full-text selection took place. The data extraction was conducted by two authors who independently evaluated the risk of bias. The methodological quality of the randomized clinical trials was evaluated using the Cochrane tool for the evaluation of the randomized clinical trials. Six articles were included in the data analysis. There were four clinical trials and two randomized clinical trials. A total of 176 patients was obtained with an age range between 14 and 46 years. Four studies showed significant differences when comparing the two anchorages in retraction or distalization of tooth groups, and two showed no differences when using dental and skeletal anchorage for vertical movements; only the articles with vertical movements showed relapse. We can conclude that skeletal anchorage generates precise and stable horizontal movements without overloading or changing the position of the molar. Future studies must incorporate three-dimensional technology for greater clinical accuracy.

本研究的目的是比较青少年和成年牙颌畸形患者使用牙齿固定器和骨骼固定器进行正畸治疗的时间和移动情况。截至 2022 年 10 月，我们在 Embase、PubMed、Lilacs、Cochrane、Trip 和 Scopus 数据库中进行了系统检索。所有文章均采用纳入和排除标准，通过标题和摘要进行筛选。如有异议，则由第三位作者解决。最后进行全文筛选。数据提取由两名作者进行，他们独立评估了偏倚风险。随机临床试验的方法学质量采用 Cochrane 随机临床试验评估工具进行评估。共有六篇文章被纳入数据分析。其中有四项临床试验和两项随机临床试验。共有 176 名患者接受了治疗，年龄介于 14 岁至 46 岁之间。四项研究显示，在牙齿后缩或远端化的组别中，两种固定方式的比较有明显差异，两项研究显示，在使用牙科和骨骼固定方式进行垂直移动时没有差异；只有进行垂直移动的文章显示有复发。我们可以得出结论，骨骼固定装置可以产生精确稳定的水平移动，而不会使臼齿负担过重或改变其位置。未来的研究必须结合三维技术，以提高临床精确度。

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引用次数: 0

Efficacy of clear aligner therapy over conventional fixed appliances in controlling orthodontic movement: A systematic review 在控制正畸移动方面，透明矫治器疗法比传统固定矫治器更有效：系统回顾

Q2 Dentistry

Journal of Orthodontic Science

Pub Date : 2024-05-01 DOI: 10.4103/jos.jos_176_23

Abdulmajeed Almogbel, Ebrahim Alshawy, Abdulmageed Alhusainy

The purpose of the current systematic review was to answer the clinical research question “Is Clear Aligner Therapy (CAT) effective in controlling the orthodontic movement?” by bringing together the most up-to-date information about the available evidence for CAT. On January 1, 2023, a search was conducted in PubMed, ERIC, Embase, and CINHAL for any research papers published in the previous 10 years that provided an overview of the PICO questions. Both the titles and abstracts of the selected studies were evaluated independently by two different authors, and if there was any disagreement between the two review authors, a third reviewer was brought in to settle it. Among included studies, three were retrospective non-randomized and two studies were prospective randomized clinical trials. Various authors reported better outcome for fixed orthodontic appliances than for clear aligner treatment (CAT) in relation to mandibular incisor proclination. The mean objective grading system score was better for braces (17) than for CAT (12) with no clinically significant difference, while staging had a significant impact on treatment efficacy. The results of this study suggest that clear aligners may be an effective alternative to traditional braces, but more research is needed to confirm these findings and determine the optimal size of future prospective studies evaluating this treatment.

本系统综述旨在通过汇集有关透明矫治器疗法（CAT）现有证据的最新信息，回答 "透明矫治器疗法（CAT）是否能有效控制正畸运动 "这一临床研究问题。 2023 年 1 月 1 日，我们在 PubMed、ERIC、Embase 和 CINHAL 中检索了过去 10 年中发表的任何概述 PICO 问题的研究论文。所选研究的标题和摘要均由两位不同的作者独立评估，如果两位审稿作者之间存在分歧，则由第三位审稿人来解决。在纳入的研究中，三项为回顾性非随机临床试验，两项为前瞻性随机临床试验。多位作者报告称，在下颌切牙前倾方面，固定矫治器的疗效优于透明矫治器（CAT）。矫治器的客观分级系统平均得分（17 分）优于透明矫治器（12 分），但两者在临床上无显著差异，而分期对疗效有显著影响。这项研究结果表明，透明矫治器可能是传统矫治器的有效替代品，但还需要更多的研究来证实这些发现，并确定未来评估这种治疗方法的前瞻性研究的最佳规模。

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引用次数: 0

Sella turcica bridging as a potential diagnostic tool for dental anomalies: A retrospective cross-sectional study at university dental hospital 作为牙科畸形潜在诊断工具的颅骨桥接：大学牙科医院的一项回顾性横断面研究

Q2 Dentistry

Journal of Orthodontic Science

Pub Date : 2024-05-01 DOI: 10.4103/jos.jos_198_23

Yazeed Abdulaziz Al-Zahrani, R. Devanna, Yousef M. Althomali, Azzah O. Alhazmi, A. V. Holenarasipur, Ahmad Hatem Kariri

A lateral cephalogram is an essential diagnostic record for an orthodontist. It is used for diagnosis and treatment planning. This can be a prediction tool as well for developing anomalies of the skeletal, dental, and soft tissues of the head and neck. The sella turcica (ST), being a central landmark for cephalometric assessment, has great importance in itself as a diagnostic parameter to predict certain dental problems related to its bridging. 1. To assess and compare the shape, size, and bridging of ST in subjects of Taif with different skeletal classifications. 2. To find whether there is any association between dental anomalies and sella turcica bridging (STB). The study obtained ethical approval from the research ethics committee of Taif University with application no. 44-354 and with no. HAO-02-T-1 dated June 4, 2023. The study involved 87 study samples, divided as follows: a. Group 1: 49 control records. b. Group 2: 38 case records with STB. The results of our study were promising in relation to STB and the occurrence of dental anomalies in both the case and the control with the frequencies of occurrence being 46.94% and 36.84%, respectively. It was found that the percentage of distribution was more among class I malocclusions and least in class III. It is imperative that impaction (13.8%) is the most associated anomaly, followed by ectopic eruption (11.5%). Supernumerary teeth and gemination were the least associated with STB, and only 1% of the cases showed an association. Statistically significant associations were found for all types of dental anomalies as a result of distribution among cases and controls. Orthodontists commonly employ lateral cephalograms as a regular practice to aid in diagnosis and treatment planning. Furthermore, these cephalograms can serve as predictive tools for dental anomalies. Detecting skeletal abnormalities at an early stage can provide insight into the likelihood of future dental anomalies, enabling clinicians to implement preventive measures accordingly.

头颅侧位片是正畸医生的重要诊断记录。它用于诊断和制定治疗计划。它也是一种预测工具，用于预测头颈部骨骼、牙齿和软组织的发育异常。蝶鞍（ST）是头颅测量评估的中心标志，其本身作为诊断参数对于预测与蝶鞍桥接相关的某些牙科问题具有重要意义。 1.评估并比较不同骨骼分类的塔伊夫受试者的蝶骨形状、大小和桥接情况。2.2. 找出牙齿异常与蝶骨桥接（STB）之间是否存在关联。本研究获得了塔伊夫大学研究伦理委员会的伦理批准，申请号为 44-354，批准号为 HAO-02-T-1，批准日期为 6 月 4 日。HAO-02-T-1，日期为 2023 年 6 月 4 日。研究涉及 87 个研究样本，具体分为以下几组：a. 第一组：49 份对照记录；b. 第二组：38 份 STB 病例记录。我们的研究结果表明，STB 与病例和对照中牙齿畸形的发生率有关，发生率分别为 46.94% 和 36.84%。研究发现，Ⅰ类畸形的分布比例较高，Ⅲ类畸形的分布比例最低。嵌塞（13.8%）是最常见的相关畸形，其次是异位萌出（11.5%）。超常牙和宝石牙与 STB 的关联性最小，只有 1%的病例显示出关联性。从病例和对照组的分布情况来看，所有类型的牙齿畸形都存在统计学意义上的关联。正畸医生通常会定期使用侧位头影，以帮助诊断和制定治疗计划。此外，这些头颅侧位图还可以作为牙齿异常的预测工具。在早期阶段检测骨骼异常可以洞察未来牙齿异常的可能性，使临床医生能够采取相应的预防措施。

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引用次数: 0