Journal of the World Federation of Orthodontists最新文献

{"title":"Knowledge, attitude, and perception of orthodontic students, and orthodontists regarding role of artificial intelligence in field of orthodontics-An online cross-sectional survey.","authors":"Seema Gupta, Santosh Verma, Arun K Chauhan, Mainak Saha Roy, Wangonsana Rajkumari, Chirag Sahgal","doi":"10.1016/j.ejwf.2024.08.002","DOIUrl":"https://doi.org/10.1016/j.ejwf.2024.08.002","url":null,"abstract":"<p><strong>Background: </strong>Artificial intelligence (AI) is an emerging technology in orthodontics. The objective of this survey was to evaluate the knowledge, attitude, and perception (KAP) of orthodontists and postgraduate students regarding the plausible employment of AI within the realm of orthodontics.</p><p><strong>Methods: </strong>An observational, cross-sectional, online questionnaire survey was conducted with 440 participants (264 postgraduates and 176 faculty members). The questionnaire was divided into four domains: Part A, focused on sociodemographic characteristics, Part B (eight questions) identifying the basic knowledge of the participants about the use of AI in the field of orthodontics, Part C (six questions) assessing the participants' perceptions of the use of AI, and Part D (five questions) assessing the attitudes of participants towards AI. The KAP scores of the participants regarding the use of AI in the field of orthodontics were assessed using a three-point Likert scale for 17 questions and two multiple-choice questions. Responses were analyzed using the chi-square test, Kruskal-Wallis test, and Mann-Whitney test.</p><p><strong>Results: </strong>A total of 266 participants completed the survey, and the majority agreed with the use of AI in the field of orthodontics, particularly for 3-dimensional diagnosis of orthognathic surgeries, cephalometric analysis, and prediction of treatment outcomes. Most participants felt that AI training should be incorporated into the postgraduate curriculum (73%), and were willing to incorporate it into clinical practice (74%). Barriers to the use of AI were high costs, lack of technical knowledge, and lack of awareness. The participants' KAP scores showed a weak negative correlation with age, years of experience, and designation.</p><p><strong>Conclusion: </strong>The present study concluded that most of the participants were optimistic about the future of AI in orthodontics. Although most orthodontists and postgraduate students had knowledge of AI, there were many barriers to its use in the field of orthodontics.</p>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142356060","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}

{"title":"Trends and insights in animal and biomedical research: A 5-year scientometric analysis of orthodontic peer-reviewed journals.","authors":"Hams H Abdelrahman, Yomna M Yacout, Dina G Hassan, Mohamed G Hassan, Gamal A Hassan","doi":"10.1016/j.ejwf.2024.08.003","DOIUrl":"https://doi.org/10.1016/j.ejwf.2024.08.003","url":null,"abstract":"<p><strong>Background: </strong>Biomedical research plays a critical role in advancing orthodontic innovations by identifying new targets for therapeutic interventions and developing more effective, personalized orthodontic treatment. This study evaluates the major contributors and trends in animal-related orthodontic research over the past 5 years (2017-2023).</p><p><strong>Methods: </strong>All animal-related studies published in the eight orthodontic journals listed in the 2022 Journal Citation Reports between January 2017 and June 2023 were retrieved from the Web of Science Core Collection. After examination, the following bibliometric data were extracted from each article: title, authors, affiliations, geographic origin, year of publication, journal name, and keywords. Multiple bibliometric software packages including Biblioshiny R-package software, Datawrapper, and Datasmith were used to analyze different bibliometric outcomes.</p><p><strong>Results: </strong>A total of 3669 articles were screened from which 266 were selected and included in the analysis. The annual growth rate of production exhibited a decline of 11.18%. Most of the included studies focused on orthodontic tooth movement (32.3%), mainly utilizing rat models (50%). Although the United States accounted for the highest number of publications (n = 236), the trend in funded research showed a decreasing trajectory over time, with notably limited funding from the National Institutes of Health.</p><p><strong>Conclusion: </strong>This study reveals a declining trend in overall animal-related orthodontic research, highlighted by a significant decrease in National Institutes of Health funding over time. To address this gap, academic institutions and professional organizations should support initiatives fostering biomedical orthodontic research.</p>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142297900","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}

{"title":"Prediction of patient cooperation before orthodontic treatment: Handwriting and artificial intelligence.","authors":"Farhad Salmanpour, Hasan Camcı","doi":"10.1016/j.ejwf.2024.07.004","DOIUrl":"https://doi.org/10.1016/j.ejwf.2024.07.004","url":null,"abstract":"<p><strong>Background: </strong>The purpose of this study was to compare the success of various convolutional neural network (CNN) models trained with handwriting samples in predicting patient cooperation.</p><p><strong>Methods: </strong>A total of 237 (147 female and 90 male, mean age 14.94 ± 2.4) patients undergoing fixed orthodontic treatment were included in the study. In the 12th month of treatment, participants were divided into two groups based on the patient cooperation scale: cooperative or noncooperative. Then, for each patient, handwriting samples were obtained. Artificial neural network models were used to classify the patients as cooperative or noncooperative using the collected data. The accuracy, precision, recall, and F1-score values of nine different CNN models were compared.</p><p><strong>Results: </strong>By overall success rate, InceptionResNetV2 (Accuracy: 72.0%, F1-score: 0.649) and NasNetMobil (Accuracy: 70.0%, F1-score: 0.417) were the two most effective CNN models. The two models with the lowest success rate were DenseNet121 (Accuracy: 59.0%, F1-score: 0.424) and ResNet50V2 (Accuracy: 46.0%, F1-score: 0.286). The success rates of the other five models were comparable.</p><p><strong>Conclusions: </strong>The artificial intelligence models trained with handwriting samples are not sufficiently accurate for clinical application in cooperation prediction.</p>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142134132","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}

{"title":"Periosteum response to static forces stimulates cortical drifting: A new orthopedic target.","authors":"Mani Alikhani, Mona Alikhani, Chinapa Sangsuwon, Serafim P Oliveira, Fanar Abdullah, Cristina C Teixeira","doi":"10.1016/j.ejwf.2024.07.003","DOIUrl":"https://doi.org/10.1016/j.ejwf.2024.07.003","url":null,"abstract":"<p><strong>Background: </strong>The mechanism of cortical bone adaptation to static forces is not well understood. This is an important process because static forces are applied to the cortical bone in response to the growth of soft tissues and during Orthodontic and Orthopedic corrections. The aim of this study was to investigate the cortical bone response to expanding forces applied to the maxilla.</p><p><strong>Methods: </strong>Overall, 375 adult Sprague-Dawley rats were divided into three groups: 1) static force group, 2) static force plus stimulation group, and 3) sham group. In addition to static force across the maxilla, some animals were exposed to anti-inflammatory medication. Samples were collected at different time points and evaluated by micro-computed tomography, fluorescence microscopy, immunohistochemistry, and gene and protein analyses.</p><p><strong>Results: </strong>The application of expansion forces to the maxilla increased inflammation in the periosteum and activated osteoclasts on the surface of the cortical plate. This activation was independent of the magnitude of tooth movement but followed the pattern of skeletal displacement. Bone formation on the surface of the cortical plate occurred at a later stage and resulted in the relocation of the cortical boundary of the maxilla and cortical drifting.</p><p><strong>Conclusions: </strong>This study demonstrates that cortical bone adaptation to static forces originates from the periosteum, and it is an inflammatory-based phenomenon that can be manipulated by the clinician. Our findings support a new theory for cortical adaptation to static forces and an innovative clinical approach to promote cortical drifting through periosteal stimulation. Being able to control cortical drift can have a significant impact on clinical orthodontic and dentofacial orthopedics by allowing corrections of severe deformities without the need for maxillofacial surgery.</p>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142113202","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}

{"title":"Effect of printing technology, layer height, and orientation on assessment of 3D-printed models","authors":"","doi":"10.1016/j.ejwf.2024.03.006","DOIUrl":"10.1016/j.ejwf.2024.03.006","url":null,"abstract":"<div><h3>Background</h3><p>Three-dimensional (3D) printing technologies have become popular in orthodontics. The aim of this study is to determine the effect of printing technology, orientation, and layer height on the accuracy of 3D-printed dental models.</p></div><div><h3>Methods</h3><p>The maxillary arch of a post-treatment patient was scanned and printed at different orientations (0°, 90°) and layer thicknesses (25 µm, 50 µm, 100 µm, and 175 µm) using two different printing technologies (digital light processing and stereolithography). The 120 models were digitally scanned, and their average deviation from the initial model was analyzed using 3D algorithm. A multivariable linear regression analysis was used to estimate the effect of all variables on the average deviation from the initial model for the common layer thicknesses (50/100 µm). Finally, one-way ANOVA and Tukey posthoc test was used to compare the stereolithography (SLA) 25 µm and digital light processing (DLP) 175 µm groups with the groups that showed the least average deviation in the former analysis.</p></div><div><h3>Results</h3><p>The multivariable linear regression analysis showed that the DLP 50 µm (mean ± SD: −0.022 ± 0.012 mm) and 100 µm (mean ± SD: −0.02 ± 0.009 mm) horizontally printed models showed the least average deviation from the initial model. Finally, the DLP 175 µm horizontally printed models (mean ± SD: 0.015 ± 0.005 mm) and the SLA 25 µm horizontally (mean ± SD: 0.011 ± 0.005 mm) printed models were more accurate.</p></div><div><h3>Conclusions</h3><p>All the models showed dimensional accuracy within the reported clinically acceptable limits. The highest accuracy was observed with DLP printer, 175 µm layer thickness, and horizontal orientation followed by SLA printer, 25 µm layer thickness, and horizontal orientation.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 4","pages":"Pages 169-174"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140772827","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}

{"title":"Male-to-female transgenders demonstrated unique perspectives on perceived facial attractiveness and orthognathic surgery need","authors":"","doi":"10.1016/j.ejwf.2024.03.001","DOIUrl":"10.1016/j.ejwf.2024.03.001","url":null,"abstract":"<div><h3>Purpose</h3><p>The esthetic preference and decision concerning undergoing orthognathic surgery in the transgender population have not been reported. The aims of this study were to examine the influence of the sagittal mandibular position on the esthetic perception and perceived surgery need in male-to-female transgenders (MTFTs) compared with male and female laypeople.</p></div><div><h3>Materials and Methods</h3><p>A questionnaire study was performed by male-to-female transgender, male and female laypeople. Three-dimensional black &amp; white male and female facial images with facial contour angle (FCA) of 3°, 1°, 5°, 9°,13°, 17°, and 21° were shown to the participants. The participants scored the images’ perceived facial attractiveness using visual analog scales (VAS) and indicated whether orthognathic surgery was needed.</p></div><div><h3>Results</h3><p>The participants included 85 MTFTs, 85 males, and 85 females. The results revealed that there were significant differences in the VAS scores between the MTFT and male participants. The MTFTs rated the male images with prognathism of 1° and -3°FCA in significantly lower scores compared with the males (<em>P</em> = 0.033, <em>P</em> = 0.010). Female images with prognathism 1°FCA was rated by the MTFTs in significantly lower scores compared with the males (<em>P</em> = 0.041). A significantly higher number of surgery needs was found in the MTFTs compared with the other groups.</p></div><div><h3>Conclusions</h3><p>Gender influences esthetic perception and the decision to undergo orthognathic surgery. MTFTs have a unique perspective on facial esthetics, being more desirous of surgery than males and females. Clinicians should be aware of the ideal expectation in facial esthetics in MTFTs.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 4","pages":"Pages 162-168"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140790164","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}

{"title":"Retrospective evaluation of the success rate and factors associated with the stability of alveolar ridge orthodontic miniscrews: Pilot study","authors":"","doi":"10.1016/j.ejwf.2024.02.001","DOIUrl":"10.1016/j.ejwf.2024.02.001","url":null,"abstract":"<div><h3>Background</h3><p>An uncommon location for placing miniscrews, used to provide anchorage control in various tooth movements, is the alveolar ridge. This study aimed to provide an evaluation of the success rate of alveolar ridge miniscrews and examine variables that might impact their success.</p></div><div><h3>Methods</h3><p>Charts for 295 patients who had miniscrews were screened. Twenty patients (5 male and 15 female: average age = 38.15 ± 15.10 years) with a total of 50 alveolar ridge miniscrews were analyzed. A customized data form was used to collect patients’ and miniscrews’ related variables. Kaplan–Meier estimator was used for the survival function, whereas Cox proportional hazards regression models were used to associate collected variables with alveolar ridge miniscrew survival.</p></div><div><h3>Results</h3><p>In total, 31 (62.0%) miniscrews were stable and 19 (38.0%) failed. The survival time for those that failed was 6.03 ± 7.08 months. The follow-up period for those that survived was 35.84 ± 19.47 months. Male gender versus female (hazard ratio [HR] 2.46; 95% confidence interval [CI] 1.35–4.48; <em>P</em> = 0.003), and if the miniscrew was a replacement versus non-replacement (HR 0.27; 95% CI 0.07–0.99; <em>P</em> = 0.048) influenced the survival. Additionally, miniscrews that were used for both indirect and direct or indirect anchorage alone plus those with evidence of splinting showed a 100% survival rate, which led to an HR 0 (<em>P &lt;</em> 0.001). When the previously mentioned variables were modeled, none seemed to have a significant effect on failure except for splinting and type of anchorage (<em>P &lt;</em> 0.001), because none of the splinted miniscrews failed.</p></div><div><h3>Conclusions</h3><p>The failure rate of alveolar ridge miniscrews was (38.0%) over 6.03 ± 7.08 months. The survival rate was (62.0%) over 35.84 ± 19.47 months. The evidence of splinting and the type of anchorage had a significant effect on survival probability.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 4","pages":"Pages 181-188"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140766325","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}

{"title":"Uprighting a mesially impacted mandibular second molar with scissor bite using simple tubes","authors":"","doi":"10.1016/j.ejwf.2024.02.002","DOIUrl":"10.1016/j.ejwf.2024.02.002","url":null,"abstract":"<div><p>Orthodontic uprighting or traction of an impacted mandibular second molar often necessitates invasive interventions. This report aims to illustrate the utilization of nickel-titanium wire segments inserted into small, simple tubes for uprighting mesially impacted mandibular second molars and also for scissor bite correction. The term “simple tube” refers to a tube without a bonding base attached to a tooth surface by covering it with flowable composite resin. Due to the absence of a bonding base, the simple tube is characterized by its diminutive size and minimal profile height, facilitating placement on partially exposed second molars and unconventional positioning to adjust the force geometry. In this case study, mesially-impacted mandibular second molars with scissor bite were uprighted in a 21-year-old male utilizing simple tubes. Simple tubes can be used for molar uprighting and scissor bite correction buccally and lingually.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 4","pages":"Pages 189-196"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140760049","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}

{"title":"Bilateral distalization of maxillary first molars in a group of adult patients after extraction of maxillary second molars using infra-zygomatic mini-implants: A prospective clinical trial","authors":"","doi":"10.1016/j.ejwf.2024.03.005","DOIUrl":"10.1016/j.ejwf.2024.03.005","url":null,"abstract":"<div><h3>Background</h3><p>It is now possible to predictably distalize maxillary first molars in nongrowing patients with the infra-zygomatic gear distalizer and to improve malocclusions without having to extract the premolars and regardless of the patient's compliance. The purpose of this study was to investigate the amount and rate of distal movement of the maxillary first molars using our proposed appliance after extraction of maxillary second molars.</p></div><div><h3>Methods</h3><p>Ten nongrowing female patients successfully treated with our proposed appliance were the subjects of this study. The amount, rate, and type of distalization, were analyzed through upper jaw cone beam computed tomography (pre- and post-treatment) and scanned casts taken on a monthly interval.</p></div><div><h3>Results</h3><p>The average amount of distalization of the maxillary first molars was 4.03 mm at the crown level and 2.88 mm at the root level. The rate of distalization had an average of 0.61 mm per month with a maximum of 0.79 mm in the first month because of the regional acceleratory phenomena after extracting the maxillary second molar.</p></div><div><h3>Conclusions</h3><p>The maxillary first molars were distalized in a significant manner and all patients reached a Class I relation within an average duration of 6.4 months. The proposed appliance proved to be a viable noncompliance modality to distalize maxillary first molars correcting maxillary Class II malocclusions characterized by maxillary protrusion or maxillary incisor crowding.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 4","pages":"Pages 155-161"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140779319","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}

{"title":"Integrating artificial intelligence: A step forward in orthodontic education","authors":"Vinod Krishnan","doi":"10.1016/j.ejwf.2024.07.002","DOIUrl":"10.1016/j.ejwf.2024.07.002","url":null,"abstract":"","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 4","pages":"Pages 153-154"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141879628","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}