Journal of the World Federation of Orthodontists最新文献

{"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}

{"title":"3D analysis of upper airway morphology related to obstructive sleep apnea severity","authors":"","doi":"10.1016/j.ejwf.2024.03.003","DOIUrl":"10.1016/j.ejwf.2024.03.003","url":null,"abstract":"<div><h3>Background</h3><p>Obstructive sleep apnea (OSA) is the most common sleep-related breathing disorder characterized by repetitive collapse of the upper airway during sleep. However, little evidence is available on the differences between the sub-regions of the upper airway morphology and OSA severity. Since orthodontists frequently perform cone beam computed tomography (CBCT) in the neck area, we aimed to investigate the relationship and the differences between upper airway morphology and OSA severity using CBCT.</p></div><div><h3>Materials and methods</h3><p>The medical records, CBCT imaging of 21 OSA patients diagnosed by polysomnography, and the apnea-hypopnea index (AHI) results were included to classify OSA severity as mild, moderate, or severe. The minimum cross-sectional areas (MCA) and volumes of the upper pharyngeal airway boundaries in four sub-regions: nasopharynx, retropalatal, retroglossal, and hypopharynx were measured. Dolphin Imaging software was used for upper airway segmentation. The correlation coefficient (r), one-way ANOVA, and the least significant difference post hoc multiple comparison test were applied to fulfill the objectives.</p></div><div><h3>Results</h3><p>A statistically significant relationship was found between the MCA of the nasopharynx and the AHI (r = −0.473, <em>P</em> &lt; 0.05). Furthermore, a difference was found between mild and moderate and moderate and severe OSA severity in the MCA results of the retroglossal region (<em>P</em> &lt; 0.05). However, no relationship was found between the upper airway volume and OSA severity.</p></div><div><h3>Conclusions</h3><p>MCA was moderately negatively correlated to AHI only in the nasopharynx subregion. Moderate OSA presented significantly less MCA than mild and severe OSA only in the oropharynx and retroglossal subregions.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 4","pages":"Pages 175-180"},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140855557","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":"Exploring the potential applications of intraoral scanners in the treatment of cleft lip and palate deformity-A scoping review of literature.","authors":"Karthik Sennimalai, Madhanraj Selvaraj, Hamza Parvez Siddiqui, Nitika Monga, Kathijathul Hidhaya Sameemullah","doi":"10.1016/j.ejwf.2024.06.001","DOIUrl":"https://doi.org/10.1016/j.ejwf.2024.06.001","url":null,"abstract":"<p><strong>Background: </strong>In the realm of cleft lip and palate (CLP) care, the integration of intraoral scanners (IOS) may offer a promising avenue, enabling precise digital imaging, record-keeping, treatment planning and execution. This scoping review aimed to explore the current applications of IOS in CLP patients and discuss potential future directions for optimizing the utilization of IOS in cleft care.</p><p><strong>Material and methods: </strong>The review was registered apriori in the Open Science Framework (OSF) Registries (https://doi.org/10.17605/OSF.IO/KPD34). A systematic search was conducted across various databases like Ovid MEDLINE, PubMed, Cochrane Library, Embase, Web of Science, Scopus, Google Scholar, Grey literature, and Trial registries using a broad search strategy. The articles published in any language till December 20, 2023 were considered. Studies that demonstrated the application of intraoral scanning in nonsyndromic CLP patients were included. A validated sixteen-item content assessment tool was used to evaluate the included studies. Two independent reviewers performed data extraction and content assessment.</p><p><strong>Results: </strong>Fifteen research studies and thirteen case reports/series were included in the final analysis. Various applications included capturing intraoral and extraoral images, scanning orthodontic study models, assessing dental changes, monitoring treatment changes related to nasoalveolar molding therapy, and fabricating appliances. The content assessment showed below-average mean scores of 34.79 ± 9.37% for research studies and 39.7 ± 0.14% for case reports/series. This can be attributed to insufficient information on scanning parameters, methodology, accuracy, patient outcomes, limitations, and potential solutions. The reproducibility of landmark identification in IOS was within 0.2 mm. Patients and caregivers preferred digital impressions over traditional alginate methods, reporting positive experiences in 84.8% of cases.</p><p><strong>Conclusion: </strong>Intraoral scanners offer good clinical accuracy and validity in assessing dentofacial and nasolabial morphology in cleft patients. Adopting IOS can streamline clinical workflows, enhance treatment accuracy, and improve patient outcomes in managing cleft lip and palate.</p>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141856779","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":"Orofacial dysfunction in cleft lip and palate patients using the nordic orofacial test-screening.","authors":"Neda Eslami, Erfan Bardideh, Pourya Tatari, Lohrasb Dehghani","doi":"10.1016/j.ejwf.2024.05.002","DOIUrl":"https://doi.org/10.1016/j.ejwf.2024.05.002","url":null,"abstract":"<p><strong>Introduction: </strong>The Nordic Orofacial Test-Screening (NOT-S) protocol serves as a widely recognized tool for assessing orofacial dysfunction comprehensively. This study aimed to compare orofacial dysfunction between unilateral (UCLP) and bilateral (BCLP) cleft lip and palate patients using the NOT-S.</p><p><strong>Materials and methods: </strong>This descriptive cross-sectional study enrolled 104 patients, comprising 72 with unilateral cleft lip and palate (UCLP) and 32 with bilateral cleft lip and palate (BCLP) referred to the cleft lip and palate clinic of Mashhad Dental School. Orofacial dysfunction was assessed using the Nordic Orofacial Test-Screening (NOT-S), which includes a structured interview and clinical examinations encompassing 6 domains each. Statistical analysis utilized Mann-Whitney, Fisher's exact, and Chi-square tests, with significance set at P < 0.05.</p><p><strong>Results: </strong>No significant differences were found in structured interview (P = 0.45), clinical examination (P = 0.45), or total NOT-S score (P = 0.11) between the two types of cleft lip and palate.</p><p><strong>Conclusion: </strong>Based on NOT-S assessment, patients with unilateral (UCLP) and bilateral (BCLP) cleft lip and palate exhibited comparable orofacial dysfunctions. In the structured interview, the most prevalent issues were identified in the domain of chewing and swallowing for both cleft types. In clinical examination, unilateral cleft lip and palate patients commonly experienced facial problems at rest, while bilateral cleft lip and palate patients frequently encountered challenges with speaking. However, these differences were not statistically significant.</p>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141724670","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":"Unplanned tooth movement in deepbite correction with Invisalign: A retrospective study","authors":"Mais M. Sadek ,&nbsp;Reem Alhashmi","doi":"10.1016/j.ejwf.2023.12.008","DOIUrl":"10.1016/j.ejwf.2023.12.008","url":null,"abstract":"<div><h3>Background</h3><p>This study aimed to investigate unplanned tooth movements in deepbite correction with Invisalign.</p></div><div><h3>Methods</h3><p>The sample consisted of 34 adult patients with deepbite malocclusion treated with Invisalign. Pretreatment and predicted digital models were exported from ClinCheck software, while the post-treatment model was obtained from an intraoral scan taken at the end of the first set of aligners. Digital models’ superimposition was done using the eModel “Compare” software. Frequency and percentage of occurrence of unplanned linear and angular movements, their magnitude, and direction were then determined. In addition, comparison of unplanned movements was performed between anterior and posterior teeth as well as between linear and angular measurements.</p></div><div><h3>Results</h3><p>The percentage of unplanned movements ranged from 1.68% to 25.63% in the maxilla and 3.36% to 23.95% in the mandible, being most evident in the first and second molars. Unplanned movements were statistically significantly more frequent in posterior teeth compared with the anterior teeth (<em>P</em> &gt; 0.05). In addition, the frequency of angular movements was statistically significantly higher for each tooth than linear movement (<em>P</em> &lt; 0.05) with a higher mean value. Unplanned mesiodistal movements were the least frequent.</p></div><div><h3>Conclusions</h3><p>Unplanned linear as well as angular movements were evident in almost all teeth. Unplanned faciolingual inclination and mesiodistal angulation movements were the most frequently observed. Unplanned vertical movements can affect the predictability of deepbite correction and thus merit particular attention in those cases.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 3","pages":"Pages 136-144"},"PeriodicalIF":2.1,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139944535","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":"Accuracy of Dolphin Imaging software in predicting soft tissue changes of Class II Division 1 incisor relationship treated by all first premolar extraction compared with post-treatment lateral cephalogram","authors":"Nikunj Maniyar ,&nbsp;A.T. Prakash ,&nbsp;H.C. Kiran Kumar ,&nbsp;Puja C. Yavagal","doi":"10.1016/j.ejwf.2024.01.005","DOIUrl":"10.1016/j.ejwf.2024.01.005","url":null,"abstract":"<div><h3>Background</h3><p>To quantify the accuracy of Dolphin Imaging software in predicting soft tissue changes of Class II Division 1 incisor relationship treated by all first premolar extraction compared with actual changes.</p></div><div><h3>Methods</h3><p>Pretreatment and post-treatment lateral cephalograms of 30 young adult subjects (25 females and 5 males; age range of 16 to 21 years) were imported and traced in Dolphin Imaging software (version 11.95). Tracings of actual treatment results and the Dolphin predicted treatment outcome were superimposed to calculate the prediction errors. The mean difference for the Holdaway soft tissue analysis and at each landmark was measured in both the X and Y axes. Paired <em>t</em> test was used to compare the statistical differences in Holdaway soft tissue analysis parameters.</p></div><div><h3>Results</h3><p>There were significant differences between the predicted and actual values in three parameters of the Holdaway soft tissue analysis (<em>P</em> &lt; 0.05). The overall accuracy of estimation was better in vertical direction than horizontal. Prediction of upper and lower lip landmarks was overestimated horizontally and underestimated vertically, whereas that belonging to chin was underestimated horizontally and overestimated vertically. Soft tissue nasion and soft tissue A-point were most accurately predicted, whereas the least accuracy was found in soft tissue chin region.</p></div><div><h3>Conclusions</h3><p>Dolphin Imaging Software (version 11.95) can be accurate enough for use in patient communication and education but should be used with caution. It is most accurate in predicting soft tissue changes in the nasion and A-point regions, but least accurate in chin region.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 3","pages":"Pages 128-135"},"PeriodicalIF":2.1,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140176988","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":"En masse retraction of anterior teeth through rapid periodontal distraction by a retraction screw: A randomized control trial","authors":"Hibu Dora ,&nbsp;Mubasshir Ahmed Shaikh ,&nbsp;Seema Gupta ,&nbsp;Sameena Begum Maqhbool ,&nbsp;Salim Shamsuddin ,&nbsp;Saraswati Raghunath Kokate","doi":"10.1016/j.ejwf.2024.01.004","DOIUrl":"10.1016/j.ejwf.2024.01.004","url":null,"abstract":"<div><h3>Background</h3><p>Rapid distraction of the periodontal ligament is an effective method to shorten the orthodontic treatment time. The objectives of the present study were to assess the effects of an HYCON device (Adenta GmbH, Germany) on the rate of en masse retraction of the anterior teeth, duration of retraction, anchorage loss, root resorption, and soft tissue changes.</p></div><div><h3>Methods</h3><p>This study was conducted on 60 female patients aged &gt;18 years, divided randomly into two equal groups: Group 1 comprised 30 patients with HYCON, and group 2 comprised 30 patients with nickel-titanium closed coil springs. Skeletal, dental, and soft tissue changes were evaluated on pre- and post-retraction lateral cephalograms, and the rates of anterior tooth movement and anchorage loss were assessed monthly on the dental casts of the patients. Root resorption was assessed using intraoral periapical radiograph. Student's <em>t</em> test was used for the analysis of parametric data, and the Mann-Whitney <em>U</em> test was used for nonparametric data.</p></div><div><h3>Results</h3><p>HYCON significantly shortened the retraction duration by 3 months. The rate of anterior teeth retraction was two times faster in group 1, compared with group 2. There was a significant difference in the anchorage loss between the groups in only first 2 months of treatment. Group 2 showed significantly more root resorption and soft tissue changes than group 1 (<em>P</em> &lt; 0.05).</p></div><div><h3>Conclusions</h3><p>HYCON is an effective device for significantly shortening the duration of retraction with anchorage loss of 2 to 2.5 mm. However, careful monitoring for possible root resorption should be performed.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 3","pages":"Pages 113-122"},"PeriodicalIF":2.1,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140176989","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":"Biomechanics of conventional and miniscrew-assisted rapid palatal expansion","authors":"Shivam Mehta ,&nbsp;Sarah Abu Arqub ,&nbsp;Meenakshi Vishwanath ,&nbsp;Madhur Upadhyay ,&nbsp;Sumit Yadav","doi":"10.1016/j.ejwf.2024.03.002","DOIUrl":"10.1016/j.ejwf.2024.03.002","url":null,"abstract":"<div><p>Posterior Crossbite is a common condition resulting because of transverse maxillary deficiency. The growth of the craniofacial complex finishes first in the transverse dimension, followed by sagittal and vertical dimensions. Conventional rapid palatal expansion (RPE) appliances are commonly used to correct transverse maxillary deficiency. Although RPE is efficient in correcting posterior crossbite, it results in dental side effects such as buccal tipping of maxillary molars, root resorption, bone dehiscence, and relapse. Mini-implant-assisted RPE has been introduced to increase the skeletal effects of expansion especially in patients with increased maturation and greater interdigitation of midpalatal suture. This article will review the biomechanics of RPE and mini-implant-assisted RPE. Additionally, the different designs of MARPE and the long-term clinical effects of expansion appliances will also be discussed in detail.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 3","pages":"Pages 105-112"},"PeriodicalIF":2.1,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140862497","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 comparison of two different miniscrew-supported molar distalization methods applied in the buccal and palatal regions","authors":"Yavuz Selim Aslan,&nbsp;Mehmet Ali Yavan,&nbsp;Nihal Hamamci","doi":"10.1016/j.ejwf.2024.01.006","DOIUrl":"10.1016/j.ejwf.2024.01.006","url":null,"abstract":"<div><h3>Background</h3><p>To compare dentofacial effects of distalization with miniscrew-supported pendulum and infrazygomatic crest miniscrews.</p></div><div><h3>Methods</h3><p>The study included 36 patients whose lateral cephalometric radiographs were obtained before (T0) and after (T1) distalization. Patients were divided into two groups according to the treatment methods: 1) distalization with miniscrew-supported pendulum (MSP) (<em>n</em> = 19; 14 girls and 5 boys; mean age 16.9 ± 1.46 years) and 2) distalization with infrazygomatic crest (IZC) miniscrews (<em>n</em> = 17; 8 girls and 9 boys; mean age 17.0 ± 1.68 years). Dental, skeletal and soft tissue measurements were performed on lateral cephalograms taken from individuals.</p></div><div><h3>Results</h3><p>A significant molar distalization was achieved both in the MSP group (3.52 ± 0.76 mm at 8.71 ± 2.02 months) and the IZC group (3.5 ± 0.74 mm at 9.7 ± 2.5 months) (<em>P</em> &lt; 0.001 for both). Premolar distalization was significantly lower in the MSP group (1.73 ± 1.09 mm) than in the IZC group (2.81 ± 0.79 mm) (<em>P</em> &lt; 0.01). Significant molar tipping was observed in both groups (<em>P</em> &lt; 0.001), while no significant difference was found between the groups (<em>P</em> &gt; 0.05). Retrusion of maxillary incisors were significantly higher in the IZC group (2.75 mm) than in the MSP group (0.98 mm) (<em>P</em> &lt; 0.01). A significant difference was found between the two groups with regard to the changes in overjet and overbite (<em>P</em> &lt; 0.05).</p></div><div><h3>Conclusions</h3><p>Both distalization methods were found to be effective in achieving a Class I molar relationship in patients with Class II malocclusion.</p></div>","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 3","pages":"Pages 145-152"},"PeriodicalIF":2.1,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140207796","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":"Microplastics: An orthodontic concern!","authors":"Vinod Krishnan (Editor-in-Chief)","doi":"10.1016/j.ejwf.2024.05.001","DOIUrl":"10.1016/j.ejwf.2024.05.001","url":null,"abstract":"","PeriodicalId":43456,"journal":{"name":"Journal of the World Federation of Orthodontists","volume":"13 3","pages":"Pages 103-104"},"PeriodicalIF":2.1,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141238164","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}