Journal of Orthodontics最新文献

{"title":"Inter-septal bone reduction: Impact on space closure, root resorption and canine angulation during en-masse retraction - a randomised controlled trial.","authors":"Kurapati Jyothsna, Kiran Kumar Dodda, Naresh Vattikunta, Eswar Prasad Singamsetty, Jashva Vamsi Kogila, Katragadda Saveri, Sai Vyshnavi Palakolanu, Bharath Reddy","doi":"10.1177/14653125241283053","DOIUrl":"10.1177/14653125241283053","url":null,"abstract":"<p><strong>Objective: </strong>To compare the space closure, root resorption and canine angulation during en-masse retraction of the labial segment after extraction of first premolars with or without interseptal bone reduction distal to the maxillary canines.</p><p><strong>Design: </strong>A single-centre, parallel randomised control trial included 16 participants with a mean age of 21.5 years. Participants were allocated into treatment groups using blocked randomisation, and blinding was employed for outcome assessors and data analysts.</p><p><strong>Interventions: </strong>The control group consisted of eight participants who underwent extraction of maxillary first premolars only, while the experimental group included eight participants who underwent interseptal bone reduction immediately after premolar extraction. En-masse retraction was performed using conventional friction mechanics with anchorage reinforcement in both groups.</p><p><strong>Outcomes: </strong>Measurements of space closure were conducted over 3 consecutive months during retraction. The time taken for total space closure was recorded. Cone-beam computed tomography scans were taken before and 3 months after retraction to assess root resorption and canine angulation.</p><p><strong>Results: </strong>The experimental group demonstrated a significant increase in the rate of en-masse retraction compared to the control group over 3 months (mean difference [MD] = 1.09 mm, 95% confidence interval [CI] = 0.78-1.40), with an overall space closure rate of MD 0.26 mm/month (95% CI = 0.17-0.34). However, these changes were of minimal clinical significance. The change in canine angulation (MD = 4.50°, 95% CI = -1.61-10.61) did not exhibit statistical significance. Substantial root resorption was observed in six maxillary anterior teeth, with no difference between the groups.</p><p><strong>Conclusion: </strong>Interseptal bone reduction is a minimally invasive surgical technique, resulting in an accelerated rate of en-masse retraction in the experimental group over 3 months. However, despite the statistical significance, the clinical impact on overall space closure was minimal, with a difference of only 0.26 mm/month observed between the groups. Interseptal bone reduction did not affect the change in canine angulation and root resorption.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"162-176"},"PeriodicalIF":1.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142751142","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":"Post-treatment stability, survival time and periodontal health associated with vacuum-formed, bonded and rapid prototype retainers: A prospective clinical study.","authors":"Sureka Murugaiyan, Haritha Pottipalli Sathyanarayana, Digant Thakkar, Sridevi Padmanabhan","doi":"10.1177/14653125241255702","DOIUrl":"10.1177/14653125241255702","url":null,"abstract":"<p><strong>Background: </strong>New technologies have paved the way for newer fabrication techniques, such as rapid prototyping, which has gained popularity in the fabrication of several orthodontic appliances including retainers.</p><p><strong>Aim: </strong>To evaluate the stability, survival time and periodontal health associated with vacuum-formed retainers (VFRs), bonded retainers (BRs) and rapid prototype retainers (RPRs) over a period of 12 months in retention.</p><p><strong>Study design: </strong>Prospective clinical study.</p><p><strong>Methods: </strong>A total of 72 participants completing fixed orthodontic treatment were allocated to the following three groups by the investigators based upon their initial malocclusion, compliance and preferences: VFR; BR; and RPR. The primary outcome was Little's Irregularity Index (LII). Other stability parameters, including arch length (AL), inter-canine width (ICW) and inter-molar width (IMW), were also assessed immediately after debonding (T0) and 12 months (T2) after debonding. In addition, survival time, calculus index and gingival index (GI) were assessed.</p><p><strong>Results: </strong>LII showed a significant difference (<i>P</i> = 0.00) between the groups and was increased in the VFR group (0.18 ± 0.22 mm) compared to the BR (0.03 ± 0.05 mm) and RPR (0.01 ± 0.03 mm) groups but was not clinically significant. The mean survival time of maxillary retainers was longest for the RPR group (220.63 days; 95% confidence interval [CI] = 194.1-247.16) but there was no significant difference between the three groups (<i>P</i> = 0.43). The mean survival time of mandibular retainers was higher and the same for the VFR and RPR groups (240 days; 95% CI = 240-240) and there was no significant difference between the three groups (<i>P</i> = 0.38). The calculus index score (<i>P</i> = 0.00) was statistically significant between the groups, with an increased score for the BR group (0.33 ± 0.27) compared to the VFR (0.07 ± 0.16) and RPR (0.13 ± 0.22) groups. Similarly, the GI score (<i>P</i> = 0.02) was statistically significant between the groups and was increased in the BR group (0.01 ± 0.19) compared to the VFR (-0.15 ± 0.18) and RPR (-0.06 ± 0.15) groups. The increase in calculus index and GI scores for the BR group were not clinically significant.</p><p><strong>Conclusion: </strong>There were no clinically significant differences between the three retainer groups in terms of stability, periodontal health and time to failure.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"150-161"},"PeriodicalIF":1.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141300810","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":"Vishal Sharma","doi":"10.1177/14653125251345302","DOIUrl":"10.1177/14653125251345302","url":null,"abstract":"","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":"52 2","pages":"213"},"PeriodicalIF":1.4,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144340224","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 full arch scans using the iTero Element 2^® intra-oral scanner: A clinical study.","authors":"Sarah Abu Arqub, Amirtha Hariharan, Sina Banankhah, Lucas Da Cunha Godoy, Perian Liu, Chia-Ling Kuo, Flavio Uribe","doi":"10.1177/14653125241268755","DOIUrl":"10.1177/14653125241268755","url":null,"abstract":"<p><strong>Objective: </strong>To investigate the accuracy of full arch scans taken using the iTero Element 2^® under clinical settings.</p><p><strong>Design: </strong>Prospective clinical study.</p><p><strong>Methods: </strong>A customised upper removable appliance (URA) with four spheres (A-D) was fabricated from a maxillary arch iTero^® scan for a 24-year-old patient. Six linear values were measured on the URA using a high-accuracy coordinate measuring machine. A total of 60 intra-oral iTero^® scans were taken by two operators (HA and AS) with the test URA inserted to the participant's maxillary dentition at T1 and T2. Geomagic Control X software was used to measure the six linear distances between the reference spheres (1-4) in all scans. Comparisons between distances on full arch scans to true distances on the URA were made to evaluate accuracy.</p><p><strong>Results: </strong>The median distance to the prepared bench top URA mean was significantly away from zero for each operator and timepoint across all measurements except AD versus 14 and BD versus 24. Statistically significant, although clinically non-significant, differences in median linear distances in relation to the prepared benchtop URA were observed between evaluators in segments AB versus 12 (operator 1 -0.021 mm vs. operator 2 -0.06 mm) and AC vs. 13 (operator 1 -0.044 mm vs. operator 2 -0.167 mm) at T1.</p><p><strong>Conclusion: </strong>The accuracy of scanners is defined as the trueness and precision of the captured scans to the dental arches. The accuracy of iTero Element 2^® is acceptable for diagnosis and treatment planning in orthodontics. Length and location of the scanned segment and scanning sequence 'protocol' affect accuracy.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"142-149"},"PeriodicalIF":1.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141971320","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":"Successful completion of orthodontic therapy in a patient with osteopetrosis: Case Report.","authors":"John K Brooks, Lillian M Height, Beverly A Jimenez, Anthony C Anyadike, Joseph G Kvint, Jeffery B Price","doi":"10.1177/14653125241264294","DOIUrl":"10.1177/14653125241264294","url":null,"abstract":"<p><strong>Introduction: </strong>Orthodontic therapy in patients with osteopetrosis (OP) of the jaws has typically been contraindicated owing to the presence of poorly perfused and extremely compact bone, and the potential risk for infection and osteomyelitis. As such, completed orthodontic cases in association with OP, have rarely been published.</p><p><strong>Patient concerns: </strong>A patient aged 14 years 6 months, with no known diagnosis of OP, sought orthodontic assessment for anterior crowding.</p><p><strong>Clinical findings: </strong>The patient exhibited a straight facial profile and increased mandibular facial height, competent lips, shallow mentolabial sulcus with mild mentalis strain, flat/reverse smile arc and wide buccal corridors on smiling.Primary diagnosis:The patient had a Class I incisor relationship on Class 1 skeletal bases with bilateral Class I molars and Class II canine relationships. This was complicated by a crossbite involving the lateral incisors and a Bolton discrepancy due to small maxillary lateral incisors. A radiologic assessment revealed polyostotic OP of the oromaxillofacial complex.</p><p><strong>Interventions: </strong>Treatment consisted of maxillary and mandibular fixed orthodontic therapy, bite turbos and elastics to level and align the dentition. Extractions of permanent teeth were not needed.</p><p><strong>Outcomes: </strong>At the conclusion of treatment, there was a slight left Class II malocclusion, with incomplete intercuspation on the left side due to tooth size discrepancy, possibly attributed to inadequate elastics compliance and the presence of osteopetrotic bone. The treatment was completed in 3 years, 1 year longer than anticipated.</p><p><strong>Conclusion: </strong>This report represents the second published account of a patient with OP successfully managed with comprehensive orthodontic care and without osseous complications. Obtaining cephalometric measurements on OP-affected patients may be imprecise owing to the presence of extremely dense bone and difficulty to identify bony landmarks. To reduce osteopetrotic sequelae, attending clinicians should consider reduced exertional orthodontic forces and closely monitor patients for adverse alveolar events.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"105-114"},"PeriodicalIF":1.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141759370","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":"10.1177/14653125251345868","DOIUrl":"10.1177/14653125251345868","url":null,"abstract":"","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":"52 2","pages":"103-104"},"PeriodicalIF":1.4,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144340223","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":"Is occlusal contact re-established within 6 months after bonding of a fixed anterior bite plane in adolescents with a Class II division 2 incisor relationship? A randomised controlled trial.","authors":"Evelyn Dunbar, Elinor Chalmers, Gautham Sivamurthy, Gavin Revie, Grant T McIntyre, Peter A Mossey","doi":"10.1177/14653125241277832","DOIUrl":"10.1177/14653125241277832","url":null,"abstract":"<p><strong>Objective: </strong>To determine if re-establishment of occlusal contact was achieved within 6 months after insertion of a fixed anterior bite plane in individuals with Class II division 2 incisor relationship, and to evaluate the occlusal and vertical skeletal changes and acceptance of the intra-oral scanner and bite plane.</p><p><strong>Design: </strong>Single-centre two-arm parallel group randomised controlled trial with 1:1 allocation to intervention and control groups.</p><p><strong>Setting: </strong>Dundee Dental Hospital and Research School, UK.</p><p><strong>Participants: </strong>A total of 38 participants aged 9-16 years (11 males, 27 females) with Class II division 2 incisor relationship and increased overbite (greater than one-third incisor overlap).</p><p><strong>Methods: </strong>Participants were randomised to intervention (n = 19) and control (n = 19) groups using block randomisation. The intervention group had a fixed anterior bite plane, and the occlusion and vertical facial dimensions were monitored with intra-oral scans, lateral cephalograms and photographs. The control group received no treatment and occlusal and vertical facial dimensions were monitored with scans and photographs. Questionnaires were completed by participants and parents/carers. An intention-to-treat analysis was planned.</p><p><strong>Results: </strong>The overbite reduced in all participants in the intervention group (mean initial overbite: 5.07 mm, 95% confidence interval [CI] = 4.15-6.00; mean overbite after 6 months: 2.45 mm, 95% CI = 1.93-2.96). There was a mean incisor intrusion of 0.29 mm (95% CI = 0.17-0.42) and mean eruption of the first molars of 0.23 mm (95% CI = 0.09-0.37). There was no significant change in incisor inclination or vertical skeletal change. Feedback from participants and their parents/carers were generally positive.</p><p><strong>Conclusion: </strong>Fixed anterior bite planes effectively reduce an increased overbite in adolescents with a Class II division 2 incisor relationship, due to a combination of incisor intrusion and molar eruption with no change in incisor inclination or vertical skeletal change. Intra-oral scanning and fixed anterior bite planes are acceptable in adolescents.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"115-132"},"PeriodicalIF":1.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348690","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 national survey of current practice in pre-alveolar bone graft orthodontics in the United Kingdom.","authors":"Georgina Kane, Sarah Good","doi":"10.1177/14653125241279462","DOIUrl":"10.1177/14653125241279462","url":null,"abstract":"<p><strong>Objective: </strong>To obtain an overview of current practice for pre-alveolar bone graft (pre-ABG) orthodontics at cleft centres across the United Kingdom.</p><p><strong>Design: </strong>Cross-sectional survey.</p><p><strong>Setting: </strong>Web-based.</p><p><strong>Methods: </strong>The survey was distributed online to UK orthodontic consultants undertaking cleft care and was piloted before use. The domains explored included level of experience, perceived benefits and concerns with undertaking pre-ABG orthodontics, types of appliances used and ABG outcomes.</p><p><strong>Results: </strong>A total of 38 consultant orthodontists responded, with a response rate of 56%. Pre-ABG orthodontics was performed most commonly (81.6%) in patients with a bilateral cleft lip and palate; however, 21.1% never performed it in any cleft phenotypes. The most common types of appliances used were fixed slow expanders and fixed appliances. No respondents reported poor ABG outcomes.</p><p><strong>Conclusion: </strong>There was no clear protocol for providing pre-ABG orthodontic treatment, with wide variation across the UK. A variety of orthodontic treatment approaches are being undertaken, and the outcomes of ABGs remain successful. Multidisciplinary teams should have a holistic approach to patient care when deciding to perform pre-ABG orthodontics and involve patients in decision making. Future UK research should focus on additional secondary outcomes and determining a standardised approach to ensure best possible care is delivered.</p>","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":" ","pages":"177-182"},"PeriodicalIF":1.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348688","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":"Iris Ej Liew","doi":"10.1177/14653125251325309","DOIUrl":"https://doi.org/10.1177/14653125251325309","url":null,"abstract":"","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":"52 1","pages":"90"},"PeriodicalIF":1.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143700782","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":"Where Artificial Intelligence may take academic publishing: for better or worse.","authors":"Christo Hall","doi":"10.1177/14653125251325308","DOIUrl":"https://doi.org/10.1177/14653125251325308","url":null,"abstract":"","PeriodicalId":16677,"journal":{"name":"Journal of Orthodontics","volume":"52 1","pages":"10-11"},"PeriodicalIF":1.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143700788","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}