American Journal of Orthodontics and Dentofacial Orthopedics最新文献_第3页

Exploring etiologic contributions to the occurrence of external apical root resorption 探索外根尖吸收的病因。

IF 2.7 2区医学

American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2024-10-01 DOI: 10.1016/j.ajodo.2024.05.017

{"title":"Exploring etiologic contributions to the occurrence of external apical root resorption","authors":"","doi":"10.1016/j.ajodo.2024.05.017","DOIUrl":"10.1016/j.ajodo.2024.05.017","url":null,"abstract":"<div><h3>Introduction</h3><div><span><span><span>External apical root resorption (EARR) is often an undesirable </span>sequela of </span>orthodontic treatment. Prior studies have suggested a substantial link between EARR and certain genetic components. </span>Single nucleotide polymorphisms (SNPs) may play a role as predisposing factors. This study aimed to investigate the potential association between EARR and various SNPs.</div></div><div><h3>Methods</h3><div><span><span><span>The study included 218 orthodontic participants of all </span>malocclusions who had available pretreatment and posttreatment </span>panoramic radiographs<span>. The most severely affected maxillary incisor<span> on the radiograph was assessed for EARR using a 0-4 categorical scale. DNA was taken from the saliva samples of the participants, and the SNPs were analyzed using polymerase chain reaction and TaqMan chemistry. Statistical testing was performed to verify any associations with EARR (</span></span></span><em>P</em> <0.05).</div></div><div><h3>Results</h3><div>From all genes tested, the rs678397 SNP of <em>ACT3N</em> (<em>P</em> = 0.003) and the rs1051771 SNP of <em>TSC2</em> (<em>P</em><span> = 0.03) were significantly associated with EARR. No association could be established between other polymorphisms and EARR. In addition, patients with Class III malocclusion and extended treatment times were at increased risk of developing EARR.</span></div></div><div><h3>Conclusions</h3><div><span>Our results support the concept of gene polymorphisms as risk factors in EARR. In particular, a significant association was found between </span><em>ACT3N</em> and <em>TSC2</em> and EARR. Clinically, predisposing risk factors for EARR should be assessed for each patient.</div></div>","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141604491","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

Efficacy of planned moderate to severe torque changes in maxillary central incisors with the Invisalign appliance: A retrospective investigation 使用隐适美（Invisalign）矫正器对上颌中切牙进行计划性中度至重度扭力改变的效果：回顾性研究。

IF 2.7 2区医学

American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2024-10-01 DOI: 10.1016/j.ajodo.2024.06.008

{"title":"Efficacy of planned moderate to severe torque changes in maxillary central incisors with the Invisalign appliance: A retrospective investigation","authors":"","doi":"10.1016/j.ajodo.2024.06.008","DOIUrl":"10.1016/j.ajodo.2024.06.008","url":null,"abstract":"<div><h3>Introduction</h3><div>This study aimed to investigate whether there was a difference between the planned and achieved lingual root torque of the maxillary central incisors in patients treated with an initial series of Invisalign (Align Technology, Santa Clara, Calif) aligners in which >10° change in the inclination of these teeth was prescribed via the ClinCheck facility.</div></div><div><h3>Methods</h3><div>The pretreatment, planned, and the digital models after wear of the initial series of aligners regarding adult patients who satisfied selection criteria and were treated using the Invisalign appliance were measured using the Geomagic Control X software (version 2017.0.3; 3D systems, Rock Hill, SC).</div></div><div><h3>Results</h3><div>A sample of 63 patients with 126 maxillary central incisors satisfied the inclusion criteria. The mean accuracy of the planned torque change of the maxillary central incisors that was achieved was 41.9%. A clinically significant shortfall (≥5°) was detected in 78.6% of the incisors, with the majority showing an underexpression between 10°-15°. Linear regression analyses indicated that weekly or biweekly wear protocols or the presence or absence of power ridges did not influence the accuracy of planned torque expression (<em>P</em> >0.05).</div></div><div><h3>Conclusions</h3><div>The changes in torque expression with an initial series of Invisalign aligners were less than half of what was planned in patients in which at least a 10° change in lingual root torque of these teeth was prescribed. The presence of power ridges and the aligner change protocol did not appear to significantly affect the accuracy of maxillary central incisor torque expression.</div></div>","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141753282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The quality of Web-based orthodontic information: A scoping review 网络正畸信息的质量：范围审查。

IF 2.7 2区医学

American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2024-10-01 DOI: 10.1016/j.ajodo.2024.05.018

{"title":"The quality of Web-based orthodontic information: A scoping review","authors":"","doi":"10.1016/j.ajodo.2024.05.018","DOIUrl":"10.1016/j.ajodo.2024.05.018","url":null,"abstract":"<div><h3>Introduction</h3><div>Patients seeking health information on the Internet is commonplace. This scoping review aimed to collate and synthesize the evidence regarding the quality of Web-based orthodontic information.</div></div><div><h3>Methods</h3><div>A systematic search and independent screening process was conducted by 2 independent reviewers across 4 databases. The review was conducted in alignment with the PRISMA-ScR (Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews) guidelines.</div></div><div><h3>Results</h3><div>Of 661 records identified, 30 publications satisfied the inclusion criteria. Reviewed studies included those related to the information contained within Web sites regarding dental and orthodontist practices, orthodontic interventions, appliances and auxiliaries, orthodontic conditions commonly requiring orthodontic therapy, issues related to patient experience, and advice during orthodontic treatment. A total of 5 quality of information (QOI) instruments and 3 readability tools were employed, with the University of Oxford, United Kingdom (DISCERN) instrument and the Flesch Reading Ease Score tool being the most frequently used. Most studies determined that the QOI contained within evaluated Web sites was poor and provided suboptimal information related to treatment risks and Web site reliability. Most studies indicated that the information was more difficult to read than recommended by guidelines.</div></div><div><h3>Conclusions</h3><div>The QOI of orthodontic information available on Web sites was low to moderate, with the readability of content at a level that was considered challenging for many readers to understand. A recommendation for greater involvement of the dental and orthodontic specialty in Web site development was commonplace. Research is required for the development of validated tools that can determine the accuracy of information in addition to Web site reliability.</div></div>","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141753285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Authors’ response 作者回复。

IF 2.7 2区医学

American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2024-10-01 DOI: 10.1016/j.ajodo.2024.07.013

引用次数: 0

Journal statistics and backlog issues 期刊统计和积压问题。

IF 2.7 2区医学

American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2024-10-01 DOI: 10.1016/j.ajodo.2024.06.015

引用次数: 0

Information for readers 读者须知

IF 2.7 2区医学

American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2024-10-01 DOI: 10.1016/S0889-5406(24)00354-8

引用次数: 0

Comparison of digital study model superimposition methods using implant-supported crowns and best-fit algorithms 使用种植体支撑牙冠和最佳拟合算法的数字研究模型叠加方法比较。

IF 2.7 2区医学

American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2024-10-01 DOI: 10.1016/j.ajodo.2024.06.009

{"title":"Comparison of digital study model superimposition methods using implant-supported crowns and best-fit algorithms","authors":"","doi":"10.1016/j.ajodo.2024.06.009","DOIUrl":"10.1016/j.ajodo.2024.06.009","url":null,"abstract":"<div><h3>Introduction</h3><div>Research regarding orthodontic changes using the superimposition of digital study models (DSMs) is commonplace. Information regarding the accuracy of data processing by superimposition software is limited. The study aimed to compare different methods of superimposing DSMs using implant-supported crowns (ISC) as a stable reference structure.</div></div><div><h3>Methods</h3><div>DSMs containing ISCs were sourced from a database of patients treated with clear aligner therapy. The DSM representing the planned treatment outcome was superimposed on the pretreatment DSM. Three tooth points were selected for comparison on the contralateral side of each ISC. Differences in Cartesian coordinates for each tooth point for each arch superimposition method, used by the Geomagic Control X (3D systems, Rock Hill, NC) software system, were recorded. Paired <em>t</em> tests for the reference standard superimposition method best-fit high-resolution using the entire dental arch compared with initial, best-fit low-resolution, and best-fit high-resolution using the ISC only were calculated.</div></div><div><h3>Results</h3><div>The DSMs of 54 dental arches containing ISCs were evaluated. All mean differences for displacements of selected points on the contralateral side to the ISC in the 3 Cartesian planes were <0.05 mm (<em>P</em> <0.05) and below the threshold of clinical significance. In addition, the standard superimposition techniques (initial, best-fit low-resolution, and best-fit high-resolution) resulted in nonstatistically significant and nonclinically significant differences in the position of the ISC.</div></div><div><h3>Conclusions</h3><div>Researchers can be confident that the described superimposition methodologies, with and without ISCs as a stable reference structure, are a valid method for accurately assessing most intraarch dental changes.</div></div>","PeriodicalId":50806,"journal":{"name":"American Journal of Orthodontics and Dentofacial Orthopedics","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141753281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Queries regarding changes in malocclusion associated with adulthood psychosocial well-being 关于错牙合畸形的变化与成年后社会心理健康相关的询问。

IF 2.7 2区医学

American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2024-10-01 DOI: 10.1016/j.ajodo.2024.07.010

引用次数: 0

To dichotomize or not dichotomize a continuous predictor 对连续预测因子进行二分法或不进行二分法。

IF 2.7 2区医学

American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2024-10-01 DOI: 10.1016/j.ajodo.2024.07.009

引用次数: 0

When history needs to be ignored 当历史需要被忽略时。

IF 2.7 2区医学

American Journal of Orthodontics and Dentofacial Orthopedics Pub Date : 2024-10-01 DOI: 10.1016/j.ajodo.2024.07.005

引用次数: 0