American Journal of Orthodontics and Dentofacial Orthopedics最新文献

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IF 2.7 2区 医学
American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2025-06-23 DOI: 10.1016/S0889-5406(25)00236-7
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引用次数: 0
Directory: AAO Officers and Organizations 目录:AAO官员和组织
IF 2.7 2区 医学
American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2025-06-23 DOI: 10.1016/S0889-5406(25)00244-6
{"title":"Directory: AAO Officers and Organizations","authors":"","doi":"10.1016/S0889-5406(25)00244-6","DOIUrl":"10.1016/S0889-5406(25)00244-6","url":null,"abstract":"","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":"168 1","pages":"Page 119"},"PeriodicalIF":2.7,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144472454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Invaluable discretion 无价的自由裁量权
IF 2.7 2区 医学
American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2025-06-23 DOI: 10.1016/j.ajodo.2025.04.004
Peter M. Greco
{"title":"Invaluable discretion","authors":"Peter M. Greco","doi":"10.1016/j.ajodo.2025.04.004","DOIUrl":"10.1016/j.ajodo.2025.04.004","url":null,"abstract":"","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":"168 1","pages":"Page 1"},"PeriodicalIF":2.7,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144472105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
July 2025 Continuing Education 2025年7月继续教育
IF 2.7 2区 医学
American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2025-06-23 DOI: 10.1016/j.ajodo.2025.05.003
Dr Allen H. Moffitt (CE Editor)
{"title":"July 2025 Continuing Education","authors":"Dr Allen H. Moffitt (CE Editor)","doi":"10.1016/j.ajodo.2025.05.003","DOIUrl":"10.1016/j.ajodo.2025.05.003","url":null,"abstract":"","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":"168 1","pages":"Pages 116.e1-116.e2"},"PeriodicalIF":2.7,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144472440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The evidentiary value of orthodontic records 正畸记录的证据价值
IF 2.7 2区 医学
American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2025-06-23 DOI: 10.1016/j.ajodo.2025.04.003
Laurance Jerrold
{"title":"The evidentiary value of orthodontic records","authors":"Laurance Jerrold","doi":"10.1016/j.ajodo.2025.04.003","DOIUrl":"10.1016/j.ajodo.2025.04.003","url":null,"abstract":"","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":"168 1","pages":"Pages 110-115"},"PeriodicalIF":2.7,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144472439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Periodontal changes in supraerupted maxillary molars after orthodontic intrusion using miniscrews: A retrospective study. 正畸微创侵入后上颌磨牙牙周变化的回顾性研究。
IF 2.7 2区 医学
American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2025-06-10 DOI: 10.1016/j.ajodo.2025.05.005
Hyun Ji Lee, Sanghee Lee, Jae Hyun Park, Ji-Hyun Lee, Chooryung J Chung, Kee-Joon Lee, Hyung-Seog Yu, Kyung-Ho Kim
{"title":"Periodontal changes in supraerupted maxillary molars after orthodontic intrusion using miniscrews: A retrospective study.","authors":"Hyun Ji Lee, Sanghee Lee, Jae Hyun Park, Ji-Hyun Lee, Chooryung J Chung, Kee-Joon Lee, Hyung-Seog Yu, Kyung-Ho Kim","doi":"10.1016/j.ajodo.2025.05.005","DOIUrl":"https://doi.org/10.1016/j.ajodo.2025.05.005","url":null,"abstract":"<p><strong>Introduction: </strong>This study aimed to analyze periodontal changes in supraerupted maxillary molars that underwent orthodontic intrusion with miniscrews during the treatment and the postretention period.</p><p><strong>Methods: </strong>Forty supraerupted maxillary molars were treated with buccal and palatal miniscrews and power chain loading of 100 g for orthodontic intrusion. Clinical examinations and periapical radiography were performed pretreatment, posttreatment, 6 months posttreatment, and 2 years posttreatment to measure the following parameters: clinical crown length, sulcus probing depth, bone probing depth (BPD), attached gingiva width, root length, alveolar crest level, and bone support. The extent of intrusion and relapse was measured by superimposing the dental casts. Periodontal care was performed regularly during and after treatment for all patients, and the gingival indexes were maintained <1.</p><p><strong>Results: </strong>Immediately after treatment, clinical crown length decreased, and sulcus probing depth and BPD increased compared with the baseline; however, 6 months posttreatment, they returned to the baseline levels, except for palatal BPD. The attached gingiva width remained unchanged at all time points. Root length significantly decreased between pretreatment and posttreatment, but as the amount was <1 mm, it was considered clinically insignificant. Six months after the treatment, the alveolar crest level and bone support showed significant improvements compared with the baseline. All periodontal parameters showed no statistically significant differences between 6 months and 2 years posttreatment, indicating stability after 6 months posttreatment.</p><p><strong>Conclusions: </strong>Orthodontic intrusion of supraerupted maxillary molars can enhance the periodontium in the long term.</p>","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":" ","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144259295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimizing mandibular second molar mesialization: A comparative analysis of stress distribution and displacement using tie-back and temporary skeletal anchorage device-assisted mechanisms with a nonlinear finite element model. 优化下颌第二磨牙的定位:用非线性有限元模型对比分析使用回扎和临时骨锚装置辅助机制的应力分布和位移。
IF 2.7 2区 医学
American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2025-06-04 DOI: 10.1016/j.ajodo.2025.04.019
Cem Olmez, Koray Halicioglu, Gulay Dumanli Gok, Osman Koc
{"title":"Optimizing mandibular second molar mesialization: A comparative analysis of stress distribution and displacement using tie-back and temporary skeletal anchorage device-assisted mechanisms with a nonlinear finite element model.","authors":"Cem Olmez, Koray Halicioglu, Gulay Dumanli Gok, Osman Koc","doi":"10.1016/j.ajodo.2025.04.019","DOIUrl":"https://doi.org/10.1016/j.ajodo.2025.04.019","url":null,"abstract":"<p><strong>Introduction: </strong>This study aimed to determine the optimal approach for mandibular second molar (M2M) mesialization in mandibular first molar extraction patients under 3 distinct scenarios-corticotomy-assisted or nonassisted-by evaluating 2 mesialization techniques (temporary skeletal anchorage device [TSAD]) supported coil spring and tie-back). The finite element method was used to compare stress distribution and displacement patterns.</p><p><strong>Methods: </strong>Six models were designed to simulate M2M mesialization. In the first 3 models (hook models), the force was applied using posted arches with tie-backs to the M2M hook. In the final 3 models (TSAD models), a force was applied using a TSAD placed between the canine and premolar teeth, employing power arms extending from the M2M with closed-coil springs targeting the molar's center of resistance. The tie-back and power arm mechanism was tested and compared alone (models I-IV), with mesial incision (models II-V) and circumferential incision (models III and VI). Both decreasing (200, 100, and 50 g) and continuous (200 g) forces were used along 3 s/steps. In the nonlinear analysis, the total and directional displacement (along the x-, y-, and z-axes) and von Mises stress values were measured.</p><p><strong>Results: </strong>TSAD models exhibited greater tooth displacement across all 3 axes with crown and roots translated mesially while showing minimal distal tipping (2.27° × 10<sup>-2</sup> to 2.63° × 10<sup>-2</sup>). In addition, these models demonstrated greater lingual rotation and more pronounced extrusion on the mesial side. In contrast, hook models primarily exhibited mesial tilting rather than uniform mesial translation, with approximately 7-fold less overall extrusion and half the amount of lingual rotation compared with TSAD models. Piezocision failed to accelerate tooth displacements in both models. TSAD models generated slightly higher stress on the molar tooth and alveolar socket. In TSAD models, mesial and circumferential incisions reduced miniscrew stress by nearly half.</p><p><strong>Conclusions: </strong>TSAD mechanics enabled greater mesial translation with minimal distal tipping, whereas hook models exhibited more mesial tilting but reduced overall extrusion and rotation. TSAD models showed greater alveolar bone stress response. Circumferential incisions with TSAD anchorage minimized unwanted movements and alveolar bone stress response. Given the inherent limitations of the finite element method in fully replicating clinical outcomes, these findings should be interpreted with caution and validated through clinical studies.</p>","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":" ","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144235846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Authors’ response 作者的回应
IF 2.7 2区 医学
American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2025-06-01 DOI: 10.1016/j.ajodo.2025.03.004
Miri Chung, Wenyi Zhang, Yanfei Zhu, Zhengzhan Lv, Lingyong Jiang
{"title":"Authors’ response","authors":"Miri Chung,&nbsp;Wenyi Zhang,&nbsp;Yanfei Zhu,&nbsp;Zhengzhan Lv,&nbsp;Lingyong Jiang","doi":"10.1016/j.ajodo.2025.03.004","DOIUrl":"10.1016/j.ajodo.2025.03.004","url":null,"abstract":"","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":"167 6","pages":"Page 626"},"PeriodicalIF":2.7,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144195050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bone mineral density and anatomic limitations of miniscrew placement at buccal interradicular sites: A quantitative computed tomography study 颊面骨间隙部位的骨矿密度和微型螺钉植入的解剖限制:定量计算机断层扫描研究。
IF 2.7 2区 医学
American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2025-06-01 DOI: 10.1016/j.ajodo.2025.01.014
Chang-Han Son , Jung-Sub An , Won-Jin Yi , Sug-Joon Ahn
{"title":"Bone mineral density and anatomic limitations of miniscrew placement at buccal interradicular sites: A quantitative computed tomography study","authors":"Chang-Han Son ,&nbsp;Jung-Sub An ,&nbsp;Won-Jin Yi ,&nbsp;Sug-Joon Ahn","doi":"10.1016/j.ajodo.2025.01.014","DOIUrl":"10.1016/j.ajodo.2025.01.014","url":null,"abstract":"<div><h3>Introduction</h3><div>This study aimed to evaluate the bone mineral density (BMD) and anatomic limitations of miniscrew placement at buccal interradicular sites.</div></div><div><h3>Methods</h3><div>Virtual miniscrews were placed at the interradicular sites from the canines to the second molars of 139 patients who underwent quantitative computed tomography. Mixed-effects modeling and logistic regression were used to test the differences in BMD and the odds of root proximity, sinus invasion, and bicortical perforation according to sex, growth status, and interradicular site.</div></div><div><h3>Results</h3><div>No significant interradicular BMD differences were observed between the sexes. Adults had higher interradicular BMDs than adolescents only in the mandible. There were no significant BMD differences among the maxillary interradicular sites, whereas the mandibular interradicular BMD tended to increase from the anterior to the posterior regions. All interradicular bones belonged to the same category according to Misch’s classification, and BMD differences of &lt;0.05 g/cc were observed in most sites except between mandibular molars. The interradicular BMD measurements were unavailable for 41.9% and 24.6% of the maxilla and mandible, respectively, mostly because of root proximity. The most anatomically favorable site was between the mandibular premolars, whereas the most unfavorable site was between the maxillary molars. The odds of anatomic limitations were not significantly affected by growth state or sex.</div></div><div><h3>Conclusions</h3><div>Regarding BMD, all interradicular sites from the canines to the second molars may be adequate candidates for miniscrew placement, regardless of growth state and sex. Anatomic limitations should be carefully considered when placing miniscrews, specifically between the maxillary molars.</div></div>","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":"167 6","pages":"Pages 713-724"},"PeriodicalIF":2.7,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143544514","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Relationship between discrimination, personality traits, and dentofacial features among schoolchildren in Jordan 约旦学龄儿童的歧视、人格特征和牙面特征的关系
IF 2.7 2区 医学
American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2025-06-01 DOI: 10.1016/j.ajodo.2024.12.009
Zaid B. Al-Bitar , Hawazen N. Sonbol , Hala M. Allawama , Lamis D. Rajab , Sarah Abu Arqub , Mahmoud K. AL-Omiri
{"title":"Relationship between discrimination, personality traits, and dentofacial features among schoolchildren in Jordan","authors":"Zaid B. Al-Bitar ,&nbsp;Hawazen N. Sonbol ,&nbsp;Hala M. Allawama ,&nbsp;Lamis D. Rajab ,&nbsp;Sarah Abu Arqub ,&nbsp;Mahmoud K. AL-Omiri","doi":"10.1016/j.ajodo.2024.12.009","DOIUrl":"10.1016/j.ajodo.2024.12.009","url":null,"abstract":"<div><h3>Introduction</h3><div>The objective of this study was to evaluate the influence of dentofacial features on experiences of discrimination and to examine their potential association with personality factors among schoolchildren in Jordan.</div></div><div><h3>Methods</h3><div>This cross-sectional study involved 1166 ninth and tenth-grade school children, comprising 707 girls and 459 boys, aged 14-16 years (mean age 14.97 ± 0.84 years). Participants were recruited from randomly selected schools and requested to complete 2 questionnaires. The first questionnaire investigated discrimination experiences, and the second was the NEO Five-Factor Inventory questionnaire, which was used to assess the participants’ 5 major personality factors: neuroticism, extraversion, openness, agreeableness, and conscientiousness. Relationships among variables were identified using chi-square and Fisher exact tests. Variations based on sex and the presence of discrimination were identified using the Mann-Whitney U test. Hierarchical logistic regression analysis was conducted to determine the odds of being exposed to discrimination based on dental problems and personality factors. Statistical significance was determined at 95% confidence intervals, with 2-tailed α values of ≤0.05.</div></div><div><h3>Results</h3><div>The prevalence of reported discrimination was 58.8% (n = 686); significantly more girls reported being discriminated against than boys (<em>P</em> &lt;0.001). Approximately 20% of the participants reported being discriminated against because of their dentofacial features. The 3 most commonly reported dentofacial features the discriminated against participants identified were tooth color (6.9%), spacing between teeth (6.6%), and proclined maxillary anterior teeth (5.1%). Hierarchical logistic regression analysis demonstrated that higher neuroticism scores, higher openness scores, and problems with dental or oral features were associated with higher odds of being exposed to discrimination (<em>P</em> &lt;0.05).</div></div><div><h3>Conclusions</h3><div>Jordanian students reported a high incidence of discrimination, which was often linked to their dental or facial appearance. This discrimination was significantly associated with personality traits and specific dentofacial features.</div></div>","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":"167 6","pages":"Pages 648-659.e0"},"PeriodicalIF":2.7,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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