Journal of Orthodontics最新文献

{"title":"Meet the Author.","authors":"Jonathan Shelswell","doi":"10.1177/14653125251395493","DOIUrl":"https://doi.org/10.1177/14653125251395493","url":null,"abstract":"","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":"52 4","pages":"397"},"PeriodicalIF":1.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145677979","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":"Editorial.","authors":"Jayne Harrison","doi":"10.1177/14653125251394158","DOIUrl":"https://doi.org/10.1177/14653125251394158","url":null,"abstract":"","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":"52 4","pages":"313-314"},"PeriodicalIF":1.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145678006","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":"Meet the Author.","authors":"Luísa Schubach da Costa Barreto","doi":"10.1177/14653125251395497","DOIUrl":"https://doi.org/10.1177/14653125251395497","url":null,"abstract":"","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":"52 4","pages":"398"},"PeriodicalIF":1.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145678021","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":"A technique to locate Ricketts' Xi point in 3D CBCT images: A cross-sectional study.","authors":"Nithin Vaishag Rajesh, Rahul Damodaran Prabha, Sapna Varma Nilambur Kovilakam, Ajith Vallikat Velath","doi":"10.1177/14653125251358822","DOIUrl":"10.1177/14653125251358822","url":null,"abstract":"<p><strong>Objective: </strong>To develop a protocol for locating the Xi point using three-dimensional (3D) cone-beam computed tomography (CBCT) and to evaluate the linear distance between the Xi point and the mandibular foramen on the CBCT image.</p><p><strong>Study design: </strong>A retrospective cross-sectional study.</p><p><strong>Study setting: </strong>The study was conducted on standardised CBCT records of 35 patients aged >18 years (13 men, 22 women). The CBCT scans were analysed using Dolphin 3D 11.9 software.</p><p><strong>Methods: </strong>The Xi point was constructed on the right and left lateral views of the ramus using the four points R1, R2, R3 and R4 based on Ricketts' analysis. The mandibular foramina were located on CBCT and the linear distance from the mandibular foramen to the Xi points were recorded.</p><p><strong>Results: </strong>The 3D Xi point was located on the lateral surface of the mandibular ramus superior and distal to mandibular foramen. The mean distance of the Xi point from the mandibular foramen was 2.3 ± 1.46 mm on right side and 2.3 ± 1.53 mm on left side.</p><p><strong>Conclusion: </strong>The study identified the accuracy of Xi point construction and its linear relation to the mandibular foramen. Xi point validation in relation to the mandibular foramen serves as a guide for inferior alveolar nerve course identification. The results of the study also find applications in bone screw placement and growth prediction.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"348-354"},"PeriodicalIF":1.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144835435","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":"Continued Professional Development.","authors":"","doi":"10.1177/14653125251394165","DOIUrl":"https://doi.org/10.1177/14653125251394165","url":null,"abstract":"","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":"52 4","pages":"399-401"},"PeriodicalIF":1.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145677930","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":"Co-delivery of orthodontic treatment: Perceptions of supervising clinicians and orthodontic therapists.","authors":"Jonathan D Shelswell, Louise A Belfield, Simon J Littlewood, Sophy K Barber","doi":"10.1177/14653125251391368","DOIUrl":"10.1177/14653125251391368","url":null,"abstract":"<p><strong>Objectives: </strong>To establish how orthodontics is currently co-delivered by orthodontic therapists (OTs) and supervising clinicians (SCs), and to explore both sets of clinicians' perceptions of these working arrangements.</p><p><strong>Design and setting: </strong>Cross-sectional survey using an online questionnaire.</p><p><strong>Participants: </strong>General Dental Council (GDC)-registered OTs and specialist or non-specialist dentists who supervise OTs and work in the UK.</p><p><strong>Methods: </strong>A link to the online questionnaire was emailed to all members of the British Orthodontic Society and Orthodontic National Group and was posted in two Facebook groups. Reminder emails and Facebook posts were sent.</p><p><strong>Results: </strong>A total of 161 responses were received from 89 SCs and 72 OTs. Most worked in primary care as their main clinical role. Most OTs in primary care provided a mix of NHS and private care. Appointments with OTs were most likely to be supervised every other visit, with more frequent supervision reported by SCs, and by clinicians in secondary care. Remote supervision of some kind was reported by 63% of OTs. Different barriers and enablers to effective working practices were suggested by OTs and SCs. OTs reported improved patient satisfaction as the main consequence of their utilisation in the orthodontic workforce while SCs described improved clinical efficiency.</p><p><strong>Conclusions: </strong>OTs reported improved patient satisfaction as the main consequence of their utilisation, whereas SCs described improved clinical efficiency. Some OTs felt that SCs should be more readily available and that OTs should have more autonomy. SCs would prefer more time to supervise and provide prescriptions.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"326-336"},"PeriodicalIF":1.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12664928/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145523573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Three-dimensional evaluation of palatal bone thickness for insertion of micro implants in a Portuguese population: a retrospective cone-beam CT study.","authors":"Anastasia Ananieva, Iman Bugaighis, Paulo Mascarenhas, Susana Furão, Pedro Mariano Pereira","doi":"10.1177/14653125251389975","DOIUrl":"10.1177/14653125251389975","url":null,"abstract":"<p><strong>Objective: </strong>To examine the palatal bone thickness in a cohort of Portuguese patients representing various age groups to identify optimal insertion sites for enhancing the stability of orthodontic micro implants (MIs). To ascertain whether there are any age- or sex-related variations in palatal bone thickness.</p><p><strong>Design: </strong>Retrospective observational study.</p><p><strong>Method: </strong>A total of 50 cone-beam computed tomography (CBCT) scans of patients aged 12-51 years (23 boys/men and 27 girls/women) were analysed. The CBCT scans were grouped according to age and sex. The palatal bone thickness was measured at five points: 4, 8, 12, 16 and 20 mm posterior to the incisive foramen (IF) and at 3, 6 and 9 mm lateral to the midpalatal suture (MPS). A total of 750 regions of interest were evaluated (15 for each of 50 patients). Two-way analysis of variance (ANOVA) and Student's <i>t</i>-tests were employed for data analysis, with a significance level of <i>P</i> < 0.05.</p><p><strong>Results: </strong>The greatest thickness of palatal bone was found to be at 4 mm posterior to the ІF and 9 mm lateral to the MPS in all investigated groups, with a mean thickness of 12.29 ± 2.00 mm for girls/women and 13.59 ± 2.31 mm for boys/men; 13.30 ± 2.38 mm for adolescents and young adults, and 12.27 ± 2.03 mm for adults. Significant statistical differences were identified between male and female individuals and between different age groups (ANOVA, <i>P</i> < 0.05).</p><p><strong>Conclusion: </strong>Palatal bone thickness varied with sex and age; thus, these factors must be considered when selecting the appropriate length of MIs. In general, girls/women had a thinner palatal bone than boys/men. The palatal bone was significantly thicker in the adolescent and young adult age group (12-25 years) than in the adult age group (27-51 years). In addition, bone thickness decreased posteriorly within each sagittal section.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"355-369"},"PeriodicalIF":1.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12664941/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145438447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of various micro-osteoperforation approaches on canine and aligner displacements, and the stress in the periodontal ligament: A finite element analysis.","authors":"Rauf Valıyev, Merve Gonca","doi":"10.1177/14653125251358834","DOIUrl":"10.1177/14653125251358834","url":null,"abstract":"<p><strong>Objective: </strong>In this study, various micro-osteoperforation (MOP) approaches were designed and their impacts on dentoalveolar structures were evaluated during maxillary canine distalisation in clear aligner (CA) treatment using a three-dimensional (3D) finite element method (FEM).</p><p><strong>Design: </strong>A 3D analysis was conducted of displacements and stresses in canine distalisation with various MOP approaches in CA.</p><p><strong>Setting: </strong>Computational study.</p><p><strong>Methods: </strong>In CA treatment, a FEM model was created to simulate distalisation of the maxillary canine by extraction of the first premolar. A total of 12 MOP approach designs were simulated for variations in the location, number and distance of the MOPs. MOP was not applied in one model; a total of 13 models were created. Canine and aligner displacement, and stresses on the periodontal ligament (PDL) were calculated under 0.24 CA activation.</p><p><strong>Results: </strong>The effect of MOPs on canine displacement was non-significant. The movement was observed as tipping. Localisation, MOP-canine distance and MOP depth parameters did not affect canine and aligner displacement. Canine and aligner displacement was the same across all models. Moreover, the compression stresses within the PDL were minimal and showed no significant variations among the models, whereas the tensile stresses displayed only minor differences.</p><p><strong>Conclusion: </strong>MOPs did not alter the biomechanical responses of dentoalveolar structures concerning the canine and aligner but had a small and non-clinically significant effect on PDL.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"337-347"},"PeriodicalIF":1.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12664936/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144957990","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Digital model setup for fabricating mouthguards for the orthodontic patient: A cutting-edge report.","authors":"Ivan Onone Gialain, Giorgio Aldigueri Trentin, Andrea Barros Tolentino, Thaís Maria Freire Fernandes","doi":"10.1177/14653125251389982","DOIUrl":"10.1177/14653125251389982","url":null,"abstract":"<p><strong>Objective: </strong>This cutting-edge report presents a technique for virtually preparing the orthodontic patient's model for fabrication of an individualised sports mouthguard.</p><p><strong>Technique: </strong>Using the stereolithography (STL) file from an intraoral scan, a step-by-step guide to trim the model and prepare it for three-dimensional (3D) printing, using free software (Meshmixer; Autodesk Inc., San Francisco, CA, USA), is provided. This method employs a 3D drawing tool to create a buffer space between the teeth, orthodontic appliance and mouthguard material before printing. The purpose of the buffer space is to accommodate minor tooth movements, ensure proper protection and improve the mouthguard's lifespan.</p><p><strong>Conclusion: </strong>Orthodontic patients should wear mouthguards during sports activities to protect orofacial structures. The proposed method successfully prepares a 3D-printed model with a buffer space, which can be used to fabricate an effective sports mouthguard. While familiarity with 3D-modelling software is required, this method can enhance mouthguard fabrication and minimise potential distortions inherent in traditional impression techniques using alginate or other materials.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"390-396"},"PeriodicalIF":1.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145482338","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 cigarette smoke on the optical properties of clear orthodontic aligners: an in-vitro study.","authors":"Kelly Galisteu-Luiz, Flávio de Mendonça Copello, Larine Ferreira Lira, Luísa Schubach da Costa Barreto, Ingrid Cristina Pinto da Costa, Carlos Nelson Elias, Margareth Maria Gomes de Souza","doi":"10.1177/14653125251391212","DOIUrl":"10.1177/14653125251391212","url":null,"abstract":"<p><strong>Aim: </strong>This study assessed the optical properties of aligner surfaces post-cigarette smoke exposure.</p><p><strong>Design: </strong>In-vitro experimental study.</p><p><strong>Setting: </strong>Laboratory analysis of clear aligners subjected to cigarette smoke exposure at Federal University of Rio de Janeiro, Brazil.</p><p><strong>Methods: </strong>A total of 20 plastic pieces from the labial surfaces of upper central incisors of Invisalign^® clear aligners were randomly divided into a control group (CG) and an experimental group (EG). The specimens were divided equally (n = 10): CG, stored in artificial saliva at 37°C ± 1°C for 14 days; and the EG, exposed to cigarette smoke using a sealed acrylic device with 10 cigarettes per cycle for 20 cycles. A spectrophotometer was used to evaluate changes in colour and light transmittance based on CIELab* colour parameters. Measurements were taken before (T0) and after (T1) exposure. The total colour difference (∆E) and National Bureau of Standards (NBS) were calculated. T-tests were used for comparisons at a significance level of 0.05.</p><p><strong>Results: </strong>Statistically significant colour changes (<i>P</i> < 0.05) were observed at T1 in the EG (luminosity [L*] = 77.20 ± 3.33; difference along green-red axis [a*] = -1.57 ± 0.02; and difference along blue-yellow axis [b*] = 6.74 ± 0.55) compared to the CG. The mean ∆E* value at T1 was significantly higher in the EG (14.27 ± 2.72) compared to the CG (2.39 ± 0.56; <i>P</i> = 0.002). Light transmittance decreased significantly after cigarette smoke exposure (CG = 68.396 ± 8.683; EG = 59.538 ± 5.089; <i>P</i> = 0.012).</p><p><strong>Conclusions: </strong>Cigarette smoke exposure significantly altered the optical properties of clear orthodontic aligners, affecting both colour and light transmittance.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"378-385"},"PeriodicalIF":1.8,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145495912","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}