Journal of the World Federation of Orthodontists最新文献

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61 - Correlation between condylar volume and skeletal pattern in cone beam computed tomography: A systematic review 锥形束计算机断层扫描中髁突体积与骨骼形态的相关性:一项系统综述
IF 3.2
Journal of the World Federation of Orthodontists Pub Date : 2025-12-01 Epub Date: 2025-12-09 DOI: 10.1016/j.ejwf.2025.07.065
María Elisa Covarrubias Zabala , Lisa Armstrong-Olivares , Carolina Castillo-Bombardiere , Camila Godoy-Cortés , Macarena Urrutia-Dufeu , Hernán Palomino-Montenegro
{"title":"61 - Correlation between condylar volume and skeletal pattern in cone beam computed tomography: A systematic review","authors":"María Elisa Covarrubias Zabala ,&nbsp;Lisa Armstrong-Olivares ,&nbsp;Carolina Castillo-Bombardiere ,&nbsp;Camila Godoy-Cortés ,&nbsp;Macarena Urrutia-Dufeu ,&nbsp;Hernán Palomino-Montenegro","doi":"10.1016/j.ejwf.2025.07.065","DOIUrl":"10.1016/j.ejwf.2025.07.065","url":null,"abstract":"<div><h3>Background</h3><div>The association between condylar volume (CV) and different skeletal patterns has a significant clinical implication since condylar volume plays an important role in the long-term stability of orthodontic treatment outcomes.</div></div><div><h3>Objective</h3><div>To evaluate the correlation between CV measured in cone beam computed tomography (CBCT) and vertical or sagittal skeletal patterns, and to assess if there was a difference among the skeletal patterns.</div></div><div><h3>Methods</h3><div>This systematic review was based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement and JBI guidelines for evidence synthesis. The review protocol was registered on PROSPERO database (CRD42025641964). An electronic search was performed in PubMed, Scopus, Web of Science, Bireme and Google Scholar without time restriction. The endpoint of the search period was January 17, 2025. The risk of bias was performed with modified Newcastle Ottawa scale for cross-sectional studies.</div></div><div><h3>Results</h3><div>A total of 12 studies were included in the review. 9/12 articles assessed the CV by sagittal skeletal pattern. 6/9 of them reported that, compared to skeletal Class I, the CV was higher in Class III, 2/9 of them reported that was lower in Class II and 3/9 of them reported no significant association between CV and sagittal skeletal pattern. Additionally, 8/12 articles assessed by vertical growth pattern. 4/8 reported that the CV was higher in hypodivergent, 3/8 reported that was lower in hyperdivergent individuals and 1/8 reported no significant correlation between CV and vertical growth pattern. We evaluated 9/12 studies as unsatisfactory, 2/12 as satisfactory and 1/12 as good.</div></div><div><h3>Conclusion</h3><div>Although a tendency towards the skeletal patterns is seen, there is insufficient evidence to infer that the condylar volume is significantly correlated among the different skeletal patterns. More high-quality evidence is needed to use the skeletal pattern as predictor of the condylar volume.</div></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"14 6","pages":"Page 419"},"PeriodicalIF":3.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145705313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
30 - Assesing the reliability of artificial intelligence-based automatic digital model analysis compared to manual system 评估基于人工智能的自动数字模型分析与手动系统的可靠性
IF 3.2
Journal of the World Federation of Orthodontists Pub Date : 2025-12-01 Epub Date: 2025-12-09 DOI: 10.1016/j.ejwf.2025.07.034
Zeynep Beyçe Karaman , Kaan Kahya , Can Arslan , Derya Çakan
{"title":"30 - Assesing the reliability of artificial intelligence-based automatic digital model analysis compared to manual system","authors":"Zeynep Beyçe Karaman ,&nbsp;Kaan Kahya ,&nbsp;Can Arslan ,&nbsp;Derya Çakan","doi":"10.1016/j.ejwf.2025.07.034","DOIUrl":"10.1016/j.ejwf.2025.07.034","url":null,"abstract":"&lt;div&gt;&lt;div&gt;In orthodontic treatment planning, model analysis plays a crucial role in evaluating the patient's dental and skeletal structure. Measurements and analyses are essential for understanding the severity of malocclusion and developing individualized treatment plans to achieve functional and aesthetic alignment. The accuracy of these measurements directly impacts treatment outcomes and patient satisfaction. Technological advancements have significantly influenced orthodontic model analysis. Within these digital systems, measurements can be obtained through manual segmentation of STL files uploaded into a software. With the advent of artificial intelligence (AI), software now enables automatic segmentation, offering precise measurements for model analysis parameters. AI-based automatic digital model analysis represents a paradigm shift in orthodontics, utilizing advanced algorithms to analyze digital models with greater speed, efficiency, and consistency than traditional methods. These systems promise transformative improvements but also raise questions regarding their diagnostic accuracy and clinical utility. Evaluating the differences between digital and manual methods is essential to ensure the reliability and safety of patient care. This study evaluates the accuracy and reliability of AI-supported digital model analysis compared to auto-segmented digital (AD), manual digital (MD), and manual plaster (MP) methods. Parameters such as tooth segmentation, measurement accuracy, and analysis efficiency are assessed. There remains a significant gap in the literature regarding studies that compare digital systems in their own methods of analysis options. Most of the digital software systems include manual segmentation and automatic segmentation options. The majority of the studies tend to compare digital systems to conventional plaster models, focusing on the differences and similarities between the two techniques. However, there is a lack of comprehensive analysis investigating how various digital methods perform relative to one another, without incorporating or relying on comparisons to traditional plaster model techniques. This gap highlights the need for studies that focus solely on the intra-domain evaluation of digital systems, which could provide deeper insights into their precision and reliability under different diagnostic and operational conditions. Twenty-four individuals, comprising 8 males and 16 females (19.5± 6,05 years of age), with all permanent teeth and mild to moderate crowding were selected. Linear measurements were made with a digital caliper on the plaster models of the selected patients. The digital models were manually and automatically segmented and measured using a Software. Mesiodistal tooth dimensions, arch widths were measured, and Bolton analysis was performed. Repeated measurements and statistical analysis show that all methods give consistent results. Low standard deviations and narrow confidence intervals indica","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"14 6","pages":"Page 408"},"PeriodicalIF":3.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145705579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
37 - Behavior of orthodontic elastic ligatures with variation in internal diameter in tensile tests 正畸弹性结扎在拉伸试验中随内径变化的行为
IF 3.2
Journal of the World Federation of Orthodontists Pub Date : 2025-12-01 Epub Date: 2025-12-09 DOI: 10.1016/j.ejwf.2025.07.041
Glaucio Serra Guimarães
{"title":"37 - Behavior of orthodontic elastic ligatures with variation in internal diameter in tensile tests","authors":"Glaucio Serra Guimarães","doi":"10.1016/j.ejwf.2025.07.041","DOIUrl":"10.1016/j.ejwf.2025.07.041","url":null,"abstract":"<div><div>Orthodontic elastics are essential for tooth movement, since their stress-strain properties allow them to transform elastic potential energy into mechanical energy, producing tooth movement. These elastics are available in a wide variety of types on the dental market and have variations in their dimensions from the same commercial brand or different brands. The objective of this study was to evaluate how the variation in the internal diameter of orthodontic elastic ligatures of 4 different commercial brands influences their fixation capacity, using simulations of first-order-bends in tensile tests with progressive magnitudes. The study evaluated the relationship between the internal diameter of orthodontic elastics and the force generated in tensile tests. A total of 240 samples of the brands Uniden, Morelli, Orthosouce and Unitek were tested. Previously, their dimensions were measured under a light microscope and tested in simulations of first-order orthodontic bends, varying between tractions of 0.5 mm, 1.0 mm and 1.5 mm, in a universal testing machine. Subsequently, the relationship between the dissipated force and the dimension of the internal diameter was investigated. In force tests of 0.5 mm, the groups of Unitek, Morelli and Orthosource elastics were significantly stronger than the Uniden. In tractions of 1.0 mm and 1.5 mm, the Unitek elastic presented the greatest force, followed by the Morelli and Orthosource elastics, with no statistical differences between them, and lastly the group of Uniden elastics. When subjected to correlation tests, there was no statistical significance in any of the correlations. The study concluded that there is no significant influence of the internal diameter on the fixation effectiveness of orthodontic ligatures.</div></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"14 6","pages":"Page 411"},"PeriodicalIF":3.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145705591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
38 - Behind the clench: bruxism’s impact on physical and psychological performance 咬牙切齿的背后:磨牙症对身体和心理表现的影响
IF 3.2
Journal of the World Federation of Orthodontists Pub Date : 2025-12-01 Epub Date: 2025-12-09 DOI: 10.1016/j.ejwf.2025.07.042
Abdulmajeed Okshah , Sunil Kumar Vaddamanu , Imran Khalid , Mohammad Zahir Kota , Samuel Ebele Udeabor , Fawaz Abdul Hamid Baig
{"title":"38 - Behind the clench: bruxism’s impact on physical and psychological performance","authors":"Abdulmajeed Okshah ,&nbsp;Sunil Kumar Vaddamanu ,&nbsp;Imran Khalid ,&nbsp;Mohammad Zahir Kota ,&nbsp;Samuel Ebele Udeabor ,&nbsp;Fawaz Abdul Hamid Baig","doi":"10.1016/j.ejwf.2025.07.042","DOIUrl":"10.1016/j.ejwf.2025.07.042","url":null,"abstract":"<div><div>Bruxism is characterized by involuntary clenching and grinding of the teeth which is increasingly observed in competitive athletes, often triggered by stress, high training loads, and performance anxiety. This systematic review and meta-analysis aimed to evaluate the prevalence of bruxism among athletes and assess its effects on physical and psychological performance metrics. Following PRISMA guidelines, databases including PubMed, Scopus, and Web of Science were searched up to October 2023. Eleven studies involving 1,900 athletes met inclusion criteria. Performance-related outcomes included strength, endurance, agility, reaction time, sleep quality, anxiety, and injury incidence. The pooled prevalence of bruxism among athletes was 38%, significantly higher than in the general population. Meta-analytic results indicated that bruxism was associated with reduced strength and endurance (p &lt; 0.001), slower reaction time and impaired agility (p &lt; 0.05), increased anxiety and poor sleep quality (p &lt; 0.001), and a 2.5-fold higher risk of sports injury. Endurance athletes and those self-reporting bruxism showed the greatest impairments. These findings highlight bruxism as a hidden yet influential factor in athletic performance. Incorporating dental assessments, occlusal evaluations, and preventive strategies into sports medicine protocols may offer a novel pathway for optimizing athlete health and performance.</div></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"14 6","pages":"Page 411"},"PeriodicalIF":3.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145705592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
19 - Analysis of various parameters of electric current & its effect on expression of bone markers and Osteosarcoma bone cells 电流各参数分析及其对骨标志物和骨肉瘤骨细胞表达的影响
IF 3.2
Journal of the World Federation of Orthodontists Pub Date : 2025-12-01 Epub Date: 2025-12-09 DOI: 10.1016/j.ejwf.2025.07.023
Ashish Agrawal , Neelam Mittal , Md Zeyaullah xx
{"title":"19 - Analysis of various parameters of electric current & its effect on expression of bone markers and Osteosarcoma bone cells","authors":"Ashish Agrawal ,&nbsp;Neelam Mittal ,&nbsp;Md Zeyaullah xx","doi":"10.1016/j.ejwf.2025.07.023","DOIUrl":"10.1016/j.ejwf.2025.07.023","url":null,"abstract":"<div><h3>Background</h3><div>The exogenous application of direct current has been widely explored in tissue engineering and has promising applications in cardiac tissues, nerve tissues, and bone regeneration due to its piezoelectric properties. Research done as early as the 1980s has demonstrated the potential of direct electric current for stimulating bone cells, however, the influence of various parameters of electric current being applied remained poorly understood.</div></div><div><h3>Objective</h3><div>To study the qualitative and quantitative effect of exogenous electric current (square waveform with varying pulsed frequency and amount of current) on Saos2 cells, and its impact on osteoprotegerin (OPG) and receptor activator of nuclear factor kappa-light -chain-enhancer of activated beta cells (RANK-L).</div></div><div><h3>Material and Methods</h3><div>The experimental setup was divided into groups, A - 1-second pulsed frequency (SPF) and B - 10-SPF. Each experimental group was subdivided into 5 subgroups (A1-A5, B1-B5) based on the current levels (10 µA -30 µA). The reverse piezoelectricity was applied 24 hours a day for 3 days. Two µlt of media were collected at 1, 3, 5, 7, 12, 24, 48, and 72hrs. which, was subjected to an ELISA. The cells were subjected to histological examination after 72 hours. The experiments were run in triplicate. The data obtained were subjected to statistical analysis.</div></div><div><h3>Results</h3><div>OPG and RANK-L expression was maximum at 30 µA at 24 hours in group B and peak level of OPG was delayed in group A to 48 hours. Peak RANK-L expression for group A was seen after 24 hours at 25 µA. There is an increasing trend of OPG expression at 1, 5, 12, and 24 hrs. respectively. Qualitative histological analysis showed an increase in the number and size of Saos2 cells at 30 µA current level and 10-second pulsed frequency.</div></div><div><h3>Conclusion</h3><div>Bioelectric stimulation can modulate both OPG and RANK-L levels. Unique frequencies can be applied to bone cells to regulate, alter, and optimize the expression of OPG and RANK-L.</div></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"14 6","pages":"Pages 403-404"},"PeriodicalIF":3.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145705708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
13 - A vertical analysis of incisor positioning in adolescent patients treated with fixed orthodontic appliances 13 -固定矫治器治疗青少年患者门牙定位的纵向分析
IF 3.2
Journal of the World Federation of Orthodontists Pub Date : 2025-12-01 Epub Date: 2025-12-09 DOI: 10.1016/j.ejwf.2025.07.017
Joshua Wiggins , A Syed , JM Palomo , MG Hans
{"title":"13 - A vertical analysis of incisor positioning in adolescent patients treated with fixed orthodontic appliances","authors":"Joshua Wiggins ,&nbsp;A Syed ,&nbsp;JM Palomo ,&nbsp;MG Hans","doi":"10.1016/j.ejwf.2025.07.017","DOIUrl":"10.1016/j.ejwf.2025.07.017","url":null,"abstract":"<div><h3>Introduction</h3><div>Fixed appliances are thought of being extrusive by nature, but there is no evidence as to if wearing fixed appliances has a significant effect on the vertical position of maxillary and mandibular incisors. The aim of this study is to evaluate vertical skeletal and dental changes in incisor positioning among adolescents treated with fixed orthodontic appliances, utilizing the Case Western Reserve University (CWRU) Vertical Analysis.</div></div><div><h3>Methods</h3><div>A retrospective case-control design with 30 adolescents (ages 10–15) who completed comprehensive non-extraction orthodontic treatment with full fixed pre-torqued, pre-angulated appliances was included. Subjects receiving any adjunctive vertical control methods, such as TADs, bite turbos, functional appliances, orthopedic expansion, extractions (excluding third molars), or segmental mechanics, were excluded. Each subject was matched to an untreated control by age, sex, and initial dental classification from the Bolton-Brush Growth Study. Vertical incisor changes were quantified using the CWRU Vertical Analysis, which evaluates both skeletal and dental components of vertical correction. Initial and final CBCTs were used to construct lateral cephalograms, and all cephalometric tracings were performed by a single calibrated examiner to ensure consistency. Seven key landmarks were identified: anterior nasal spine (ANS), incisal tip and apex of the maxillary and mandibular central incisors, and the centers of resistance of both incisors. Vertical changes were calculated using six independent variables: maxillary skeletal change, mandibular skeletal change, bodily and tipping movements of both maxillary and mandibular incisors. These changes were then compared to the corresponding control group.</div></div><div><h3>Results</h3><div>Preliminary results show significant differences between treated and untreated samples, with intrusive movements in the treated sample. No significant differences were found between genders.</div></div><div><h3>Conclusions</h3><div>The use of fixed appliances have a significant effect on the vertical position of the anterior dentition.</div></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"14 6","pages":"Page 401"},"PeriodicalIF":3.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145705776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
77 - Diet-induced obesity and alveolar bne loss: insights form a murine model 饮食引起的肥胖和牙槽骨丢失:小鼠模型的见解
IF 3.2
Journal of the World Federation of Orthodontists Pub Date : 2025-12-01 Epub Date: 2025-12-09 DOI: 10.1016/j.ejwf.2025.07.081
Mario Alejandro Ortiz Salazar , Daniela Botero , Carolina Pustovrh
{"title":"77 - Diet-induced obesity and alveolar bne loss: insights form a murine model","authors":"Mario Alejandro Ortiz Salazar ,&nbsp;Daniela Botero ,&nbsp;Carolina Pustovrh","doi":"10.1016/j.ejwf.2025.07.081","DOIUrl":"10.1016/j.ejwf.2025.07.081","url":null,"abstract":"<div><h3>Background</h3><div>Childhood/adolescence are critical for craniofacial development. While genetics play a role in the obesity pandemic, sociocultural factors, especially nutrition, are key. High-fat, high-energy diets impact bone health, crucial for orthodontic treatment outcomes.</div></div><div><h3>Objectives</h3><div>This pilot study evaluated the effects of an obesogenic diet on alveolar bone and femur microarchitecture in growing male Wistar rats.</div></div><div><h3>Methods</h3><div>Twelve rats were divided into control (standard diet) and experimental (cafeteria diet) groups for eight weeks. Weight, size, abdominal circumference, and glucose levels were monitored. Micro-CT analysis assessed bone microarchitecture.</div></div><div><h3>Results</h3><div>experimental group showed significant weight gain, increased abdominal circumference, and elevated glucose. Alveolar bone microarchitecture differed significantly; trabecular thickness (Tb.Th) was greater in the experimental group (109.808 ± 8.201 µm vs 94.577 ± 12.943 µm). Femoral head bone showed no differences. No statistical changes were observed in BV/TV, Tb.Th and Tb.Sp of femur.</div></div><div><h3>Conclusions</h3><div>An obesogenic diet negatively impacts alveolar bone microarchitecture, potentially affecting craniofacial development and orthodontic treatment. Further research is needed to understand the mechanisms and long-term implications. Understanding this relationship is crucial for comprehensive orthodontic care</div></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"14 6","pages":"Page 425"},"PeriodicalIF":3.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145705778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
79 - Digital burnout and its impact on orthodontic health: An emerging occupational health concern 79 -数字职业倦怠及其对正畸健康的影响:一个新兴的职业健康问题
IF 3.2
Journal of the World Federation of Orthodontists Pub Date : 2025-12-01 Epub Date: 2025-12-09 DOI: 10.1016/j.ejwf.2025.07.083
Vesela Stoichkova Pencheva-Georgieva , Maria Titopoulou
{"title":"79 - Digital burnout and its impact on orthodontic health: An emerging occupational health concern","authors":"Vesela Stoichkova Pencheva-Georgieva ,&nbsp;Maria Titopoulou","doi":"10.1016/j.ejwf.2025.07.083","DOIUrl":"10.1016/j.ejwf.2025.07.083","url":null,"abstract":"<div><div>Digital burnout, characterized by prolonged screen exposure, mental fatigue and reduced physical activity has emerged as a growing occupational health concern in the digital age. While its psychological and neurological effects are well documented, its influence on dental and orthodontic wellbeing remains underexplored. Our study highlights how chronic stress from digital overuse can exacerbate conditions such as bruxism,TMD and postural strain. Poor ergonomics and extended periods of screen time also contribute to forward head posture, which may influence occlusion and facial muscle tension. By drawing attention to the interplay between workplace digital stress and oral health, this research underscores the need for integrated prevention strategies that combine mental wellness programs with dental and postural care in modern work environments.</div><div><strong>Aim:</strong> to study the connection between the digital burnout and the TMJ disorders in people, working on computers daily.</div><div><strong>Material and methods:</strong> 283 patients (109 men,174 women) have filled in a questionary with 25 questions and have been clinically examined.Average age 35,14±12,63.</div><div><strong>Results:</strong> 20,1% of the women had TMJ pain while yawning, chewing and shouting, while only 5,6% all the men declared TMJ pain (p&lt;0,001). During the clinical examination by the same doctor using the method of palpating was found that 11,5% of the men and 26,8% of the women had TMJ pain (p&lt;0,003).To the question “Are there any noises during opening/closing of the mouth?” 22,3% of the men and 39% of the women said yes (p&lt;0,005).</div><div><strong>Conclusion:</strong> More than 1/3 of the patients have TMJ pain. Men do not understand the problem that well as women and figure it out only during the clinical examination.Recognizing the oral-systemic connection in the context of digital overuse is vital for developing preventive and interdisciplinary approaches in both workplace health management and clinical dental practice, incorporating digital wellness strategies and routine dental screening.</div></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"14 6","pages":"Pages 425-426"},"PeriodicalIF":3.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145705781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
85 - Effectiveness of orthodontic mini-screws for molar distalization and incisor intrusion: A systematic review 正畸微型螺钉用于磨牙远端和门牙侵入的有效性:一项系统综述
IF 3.2
Journal of the World Federation of Orthodontists Pub Date : 2025-12-01 Epub Date: 2025-12-09 DOI: 10.1016/j.ejwf.2025.07.089
Wijdane Ait Rai , Wissal Jmili , Rola Pr.Bouamara
{"title":"85 - Effectiveness of orthodontic mini-screws for molar distalization and incisor intrusion: A systematic review","authors":"Wijdane Ait Rai ,&nbsp;Wissal Jmili ,&nbsp;Rola Pr.Bouamara","doi":"10.1016/j.ejwf.2025.07.089","DOIUrl":"10.1016/j.ejwf.2025.07.089","url":null,"abstract":"<div><div>Orthodontic mini-screws enable precise three-dimensional control of tooth movement, enhancing treatment efficiency and reducing reliance on patient compliance. They are widely used for molar distalization in cases of crowding or anterior protrusion and for incisor intrusion in deep bite, open bite, or molar overeruption. This systematic review evaluates their effectiveness compared to conventional anchorage methods. A comprehensive literature search (2012–2024) was conducted in PubMed, ScienceDirect, and Cochrane Library, selecting in vivo and in vitro studies in English and French, whether quantitative or qualitative, retrospective or prospective. Among 2,324 identified articles, 8 met the inclusion criteria. Results indicate that molar distalization was achieved in an average of 8 months, ensuring optimized anchorage and limiting undesired side effects. Incisor intrusion proved effective, with a reduced risk of root resorption compared to conventional mechanics. However, protocol variations across studies introduce heterogeneity, affecting the comparability of outcomes. Mini-screws offer significant advantages in anchorage control, allowing greater movement efficiency and minimizing unwanted reciprocal forces. Their success depends on factors such as bone density, insertion site, and biomechanical considerations. While they represent a reliable alternative to traditional anchorage systems, careful case selection, precise planning, and proper insertion techniques are essential to maximize clinical benefits and minimize complications. Further studies with standardized methodologies are needed to establish clearer treatment guidelines.</div></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"14 6","pages":"Page 427"},"PeriodicalIF":3.2,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145705786","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
83 - E-book digital technological innovations applied to diagnosis and planning in orthodontics 电子书数字技术创新在正畸诊断和规划中的应用
IF 3.2
Journal of the World Federation of Orthodontists Pub Date : 2025-12-01 Epub Date: 2025-12-09 DOI: 10.1016/j.ejwf.2025.07.087
Rebeca Schwab De Freitas , Roberta Tarkany Basting
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