Clinical and Experimental Dental Research最新文献_第4页

Evaluation of Bone Density for Primary Implant Stability Using a Newly Designed Drill: An In Vitro Study on Polyurethane Bone Blocks 使用新设计的钻头评估初级种植体稳定性的骨密度：聚氨酯骨块的体外研究

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical and Experimental Dental Research

Pub Date : 2024-11-28 DOI: 10.1002/cre2.70048

Kaien Wakamatsu, Kazuya Doi, Reiko Kobatake, Yoshifumi Oki, Kazuhiro Tsuga

Objectives

Bone density is an important factor for long-term implant success. Peri-implant bone density evaluation before implant placement can be useful for treatment planning, such as the selection of proper implant size or drilling protocol in each case. In this study, we aimed to establish an objective intraoperative bone density evaluation method by measuring the drilling torque value using a newly designed density measurement drill.

Materials and Methods

Drilling torque value measurement was performed intraoperatively using three types of drills; two previously reported drills and a newly designed drill as a density measurement drill. Polyurethane bone blocks of different densities (D1–D4) were used in this experiment. After the measurement, implants were inserted based on the scheduled plan, and insertion torque (IT) and implant stability quotient (ISQ) were measured to assess primary implant stability.

Results

The drilling torque value increased with the bone blocks' density, and there were significant differences among different densities in all groups (p < 0.05). The drilling torque value showed a positive correlation with IT in all groups (p < 0.05). In addition, the drilling torque value increased with the increase in ISQ in all groups.

Conclusions

Within the limitations of this study, a newly designed density measurement drill was able to classify D1–D4 in polyurethane bone blocks despite its narrow diameter, and an objective intraoperative bone evaluation can be achieved. An intraoperative assessment of the drilling torque value can predict primary implant stability and provide valuable information for intraoperative treatment planning, such as undersized drilling protocol and implant size change.

目的骨密度是影响种植体长期成功的重要因素。种植体放置前的种植体周围骨密度评估对治疗计划是有用的，例如在每种情况下选择合适的种植体大小或钻孔方案。在本研究中，我们旨在利用新设计的密度测量钻头测量钻孔扭矩值，建立一种客观的术中骨密度评估方法。材料与方法术中采用三种钻头进行钻孔扭矩值测量；两个以前报道的钻头和一个新设计的钻头作为密度测量钻头。本实验采用不同密度的聚氨酯骨块（D1-D4）。测量完成后，按照预定计划插入种植体，测量插入扭矩（IT）和种植体稳定商（ISQ），评估初级种植体的稳定性。结果钻孔扭矩值随骨块密度增大而增大，不同密度组间差异有统计学意义（p < 0.05）。各组间钻削扭矩值与IT呈正相关（p < 0.05）。此外，各组钻削扭矩值随ISQ的增加而增加。在本研究的限制下，新设计的密度测量钻虽然直径较窄，但能够对聚氨酯骨块中的D1-D4进行分类，并且可以实现客观的术中骨评价。术中对钻孔扭矩值的评估可以预测初级种植体的稳定性，并为术中治疗计划提供有价值的信息，如过小的钻孔方案和种植体尺寸变化。

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引用次数: 0

Mapping the Use of Artificial Intelligence–Based Image Analysis for Clinical Decision-Making in Dentistry: A Scoping Review 基于人工智能的图像分析在牙科临床决策中的应用：范围审查。

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical and Experimental Dental Research

Pub Date : 2024-11-26 DOI: 10.1002/cre2.70035

Wei Chen, Monisha Dhawan, Jonathan Liu, Damie Ing, Kruti Mehta, Daniel Tran, Daniel Lawrence, Max Ganhewa, Nicola Cirillo

Objectives

Artificial intelligence (AI) is an emerging field in dentistry. AI is gradually being integrated into dentistry to improve clinical dental practice. The aims of this scoping review were to investigate the application of AI in image analysis for decision-making in clinical dentistry and identify trends and research gaps in the current literature.

Material and Methods

This review followed the guidelines provided by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews (PRISMA-ScR). An electronic literature search was performed through PubMed and Scopus. After removing duplicates, a preliminary screening based on titles and abstracts was performed. A full-text review and analysis were performed according to predefined inclusion criteria, and data were extracted from eligible articles.

Results

Of the 1334 articles returned, 276 met the inclusion criteria (consisting of 601,122 images in total) and were included in the qualitative synthesis. Most of the included studies utilized convolutional neural networks (CNNs) on dental radiographs such as orthopantomograms (OPGs) and intraoral radiographs (bitewings and periapicals). AI was applied across all fields of dentistry - particularly oral medicine, oral surgery, and orthodontics - for direct clinical inference and segmentation. AI-based image analysis was use in several components of the clinical decision-making process, including diagnosis, detection or classification, prediction, and management.

Conclusions

A variety of machine learning and deep learning techniques are being used for dental image analysis to assist clinicians in making accurate diagnoses and choosing appropriate interventions in a timely manner.

目的：人工智能（AI）是口腔医学的一个新兴领域。人工智能正逐渐融入口腔医学，以改善口腔临床实践。本范围综述旨在调查人工智能在临床牙科决策图像分析中的应用，并确定当前文献中的趋势和研究空白：本综述遵循《系统综述和元分析的首选报告项目》（Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews，PRISMA-ScR）提供的指南。通过 PubMed 和 Scopus 进行了电子文献检索。去除重复内容后，根据标题和摘要进行了初步筛选。根据预定义的纳入标准进行全文综述和分析，并从符合条件的文章中提取数据：在返回的 1334 篇文章中，有 276 篇符合纳入标准（共包含 601,122 张图片），并被纳入定性综述。所纳入的大多数研究都在牙科X光片上使用了卷积神经网络（CNN），如正位X光片（OPG）和口内X光片（咬翼和根尖周片）。人工智能被应用于牙科的各个领域，特别是口腔内科、口腔外科和正畸科，用于直接临床推断和分割。基于人工智能的图像分析被用于临床决策过程的多个环节，包括诊断、检测或分类、预测和管理：各种机器学习和深度学习技术正被用于牙科图像分析，以协助临床医生做出准确诊断并及时选择适当的干预措施。

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引用次数: 0

Exploring the Impact of Access Cavity Designs on Canal Orifice Localization and Debris Presence: A Scoping Review 探索通路腔设计对管口定位和残渣存在的影响：范围审查。

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical and Experimental Dental Research

Pub Date : 2024-11-22 DOI: 10.1002/cre2.70013

Mario Dioguardi, Davide La Notte, Diego Sovereto, Cristian Quarta, Andrea Ballini, Vito Crincoli, Riccardo Aiuto, Mario Alovisi, Angelo Martella, Lorenzo Lo Muzio

Objectives

One of the primary objectives in endodontics is to achieve thorough cleaning and disinfection of the root canal system during an endodontic procedure. This aims to reduce microbial contamination and prevent the development of endodontic lesions. To attain this goal, it is imperative to establish access to the endodontic space that allows for the complete removal of pulp tissue and the accurate identification of canal orifices while preserving the anatomical integrity of the root floor and pulp chamber as much as possible. In this scoping review, we aim to explore aspects related to the identification of canal orifices and the presence of pulp debris and residues during endodontic treatment. Specifically, we aim to assess whether and to what extent the design of the access cavity impacts these factors.

Material and Methods

The scoping review was conducted and prepared following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines (PRISMA Extension for Scoping Reviews [PRISMA-ScR]).

Results

The search yielded a total of 3697 bibliographic sources. After eliminating duplicates and applying eligibility criteria, only 10 studies were included.

Conclusions

In conclusion, our review, conducted following PRISMA guidelines, includes 10 studies and suggests a potential trend: conservative techniques may generate more debris, whereas guided techniques exhibit superior precision in locating canal openings.

目的：根管治疗的主要目标之一是在根管治疗过程中实现根管系统的彻底清洁和消毒。这样做的目的是减少微生物污染，防止牙髓病变的发展。为了实现这一目标，必须建立通往根管空间的通道，以便彻底清除牙髓组织并准确识别根管口，同时尽可能保持根底和牙髓腔解剖学上的完整性。在本范围界定综述中，我们旨在探讨与牙髓治疗过程中牙髓碎屑和残留物的存在以及牙髓管口的识别相关的各个方面。具体来说，我们旨在评估通路腔的设计是否以及在多大程度上影响了这些因素：范围界定综述是按照系统综述和荟萃分析首选报告项目（PRISMA）指南（范围界定综述的 PRISMA 扩展 [PRISMA-ScR]）进行和准备的：检索结果：共获得 3697 篇文献资料。在剔除重复内容并应用资格标准后，仅纳入了 10 项研究：总之，我们按照 PRISMA 指南进行的综述包括了 10 项研究，并提出了一个潜在的趋势：保守技术可能会产生更多的碎屑，而引导技术在定位牙道开口方面表现出更高的精确度。

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引用次数: 0

The Influence of Patient-, Site-, and Implant-Related Factors on Marginal Bone Levels of Dental Implants in a Rural Population in China: A Retrospective Study 中国农村人口种植牙边缘骨水平受患者、种植部位和种植体相关因素的影响：一项回顾性研究

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical and Experimental Dental Research

Pub Date : 2024-11-22 DOI: 10.1002/cre2.70045

Anahat Khehra, Ossi Zanner, Nachum Samet, Liran Levin

Objectives

Limited research is available on implant treatment outcomes in rural populations. This may be due to the presence of various barriers, such as access to oral health care, resources, health literacy, and education. The aim of this study was to evaluate the influence of patient-, site-, and implant-related factors on marginal bone levels of dental implants in a rural population in China.

Material and Methods

A retrospective study was conducted using data from a private dental office. Subjects included in this study received dental implants as part of their routine dental treatment. Information on age, gender, smoking status, diabetes, heart disease, jaw location, restorative type, loading protocol, survival rate, implant length, and diameter was collected. Marginal bone loss was recorded as the largest value at either the mesial or distal aspect on peri-apical radiographs. Descriptive and inferential statistics were performed along with linear regression analysis.

Results

Overall, 428 implants were placed in 90 subjects over an average follow-up period of 453 days. No implant failures were recorded. The average marginal bone loss was 0.10 mm, with 80.6% of implants showing no marginal bone loss. The extent of marginal bone loss was greater in the mandible (0.13 ± 0.25) than in the maxilla (0.08 ± 0.19). An increase in implant diameter by 1 mm resulted in 0.08 mm of marginal bone loss, indicating wider diameter implants are associated with more bone loss. Age was also positively correlated with marginal bone loss, increasing by 0.002 mm per year. No differences were found for gender, smoking, diabetes, heart disease, restoration type, and immediate loading.

Conclusions

Dental implant therapy in a rural Chinese population demonstrated high survival rates and minimal marginal bone loss. Factors such as age, implant location, and diameter influenced bone loss. This study fills a critical gap in understanding implant outcomes specifically within rural settings, highlighting the need for tailored approaches to enhance patient access and care in these communities. Further research is needed to explore these relationships and assess implant outcomes in rural populations.

目的：有关农村人口种植治疗效果的研究十分有限。这可能是由于存在各种障碍，如口腔保健、资源、健康知识和教育等。本研究的目的是评估患者、种植地和种植体相关因素对中国农村人口种植牙边缘骨水平的影响：本研究使用一家私人牙科诊所的数据进行了一项回顾性研究。研究对象在常规牙科治疗中接受了种植牙。研究收集了受试者的年龄、性别、吸烟状况、糖尿病、心脏病、颌骨位置、修复类型、加载方案、存活率、种植体长度和直径等信息。边缘骨质流失记录为根尖周X光片上中侧或远侧的最大值。研究人员进行了描述性和推论性统计，并进行了线性回归分析：90名受试者共植入了428颗种植体，平均随访时间为453天。没有种植失败的记录。平均边缘骨质流失为 0.10 毫米，80.6% 的种植体无边缘骨质流失。下颌骨的边缘骨质流失程度（0.13 ± 0.25）大于上颌骨（0.08 ± 0.19）。种植体直径增加 1 毫米会导致 0.08 毫米的边缘骨质流失，这表明直径更宽的种植体会导致更多的骨质流失。年龄也与边缘骨质流失呈正相关，每年增加 0.002 毫米。在性别、吸烟、糖尿病、心脏病、修复类型和即刻装载方面没有发现差异：结论：在中国农村人口中，种植牙治疗的存活率很高，边缘骨量损失很小。年龄、种植体位置和直径等因素都会影响骨质流失。这项研究填补了人们对农村地区种植牙治疗效果认识上的一个重要空白，强调了在这些社区提高患者就诊率和护理水平的量身定制方法的必要性。还需要进一步的研究来探索这些关系并评估农村人口的种植效果。

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引用次数: 0

Understanding Occlusion and Temporomandibular Joint Function Using Deep Learning and Predictive Modeling 利用深度学习和预测建模了解咬合和颞下颌关节功能

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical and Experimental Dental Research

Pub Date : 2024-11-19 DOI: 10.1002/cre2.70028

Taseef Hasan Farook, James Dudley

Objectives

Advancements in artificial intelligence (AI)-driven predictive modeling in dentistry are outpacing the clinical translation of research findings. Predictive modeling uses statistical methods to anticipate norms related to TMJ dynamics, complementing imaging modalities like cone beam computed tomography (CBCT) and magnetic resonance imaging (MRI). Deep learning, a subset of AI, helps quantify and analyze complex hierarchical relationships in occlusion and TMJ function. This narrative review explores the application of predictive modeling and deep learning to identify clinical trends and associations related to occlusion and TMJ function.

Results

Debates persist regarding best practices for managing occlusal factors in temporomandibular joint (TMJ) function analysis while interpreting and quantifying findings related to the TMJ and occlusion and mitigating biases remain challenging. Data generated from noninvasive chairside tools such as jaw trackers, video tracking, and 3D scanners with virtual articulators offer unique insights by predicting variations in dynamic jaw movement, TMJ, and occlusion. The predictions help us understand the highly individualized norms surrounding TMJ function that are often required to address temporomandibular disorders (TMDs) in general practice.

Conclusions

Normal TMJ function, occlusion, and the appropriate management of TMDs are complex and continue to attract ongoing debate. This review examines how predictive modeling and artificial intelligence aid in understanding occlusion and TMJ function and provides insights into complex dental conditions such as TMDs that may improve diagnosis and treatment outcomes with noninvasive techniques.

目的人工智能（AI）驱动的牙科预测建模技术的发展速度超过了研究成果的临床转化速度。预测建模使用统计方法来预测与颞下颌关节动力学相关的规范，是对锥形束计算机断层扫描（CBCT）和磁共振成像（MRI）等成像模式的补充。深度学习是人工智能的一个子集，有助于量化和分析咬合和颞下颌关节功能中复杂的层次关系。这篇叙述性综述探讨了预测建模和深度学习在识别与咬合和颞下颌关节功能相关的临床趋势和关联方面的应用。结果关于在颞下颌关节（TMJ）功能分析中管理咬合因素的最佳实践一直存在争论，而解释和量化与颞下颌关节和咬合相关的研究结果以及减少偏差仍具有挑战性。颌面跟踪器、视频跟踪和带有虚拟关节器的三维扫描仪等非侵入式椅旁工具生成的数据通过预测动态颌面运动、颞下颌关节和咬合的变化提供了独特的见解。这些预测有助于我们了解颞下颌关节功能的高度个体化规范，而这通常是在普通实践中解决颞下颌关节紊乱 (TMD) 问题所必需的。结论正常的颞下颌关节功能、咬合以及对 TMD 的适当管理是非常复杂的，并且仍在不断引起争论。本综述探讨了预测建模和人工智能如何帮助理解咬合和颞下颌关节功能，并对 TMDs 等复杂牙科疾病提供了见解，这些见解可能会改善非侵入性技术的诊断和治疗效果。

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引用次数: 0

Evaluation of Panoramic Radiography Diagnostic Accuracy in the Assessment of Interdental Alveolar Bone Loss Using CBCT 使用 CBCT 评估牙槽骨间缺损的全景放射诊断准确性

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical and Experimental Dental Research

Pub Date : 2024-11-19 DOI: 10.1002/cre2.70042

Najmeh Anbiaee, Pedram Pahlavanzadeh

Objectives

Alveolar bone loss (ABL) and periodontal lesions are common diseases that have an undeniable effect on teeth maintenance and health. Current diagnostic methods include probing, intraoral radiography, and panoramic radiography; each has its limitations. In this study, we aimed to assess the diagnostic accuracy of panoramic radiography in the diagnosis of interdental ABL.

Material and Methods

In this cross-sectional study, panoramic and cone-beam computed tomography (CBCT) images from 80 patients were collected from the archives of an oral and maxillofacial radiology center. The amount of ABL was obtained by measuring the distance from the Cemento-Enamel Junction (CEJ) to the alveolar bone crest on both panoramic and CBCT images. Patients were divided into healthy (ABL ≤ 2 mm) and diseased (2 mm < ABL) groups in terms of periodontal disease.

Results

There was no statistically significant difference in the average ABL in the premolar, maxillary molar, and mandibular molar areas between the two techniques. However, in other areas, the ABL size was significantly lower in the panoramic view (p < 0.05). Also, the panoramic technique correctly recognized 89.1% of normal and 88.4% of ABL cases. The overall accuracy of panoramic radiography in the diagnosis of ABL was 85%, indicating the good accuracy of this technique. In maxilla, the highest diagnostic accuracy of the panoramic technique was in the molars, and the lowest was in the incisors. In the mandible, the highest and lowest diagnostic accuracy of the panoramic technique was related to molars and premolars, respectively. According to the kappa statistic, there was a significant good to very good agreement between the two types of techniques in all maxillary areas (p < 0.001).

Conclusions

Panoramic radiography is accurate in showing ABL. Measuring ABL in the posterior mandibular areas in panoramic radiographs is quite reliable; however, in general, digital panoramic radiography shows less ABL than the actual amount.

目的牙槽骨缺失（ABL）和牙周病是常见疾病，对牙齿的维护和健康有着不可否认的影响。目前的诊断方法包括探诊、口内放射摄影和全景放射摄影，但每种方法都有其局限性。在本研究中，我们旨在评估全景放射摄影在牙间 ABL 诊断中的准确性。材料和方法在这项横断面研究中，我们从口腔颌面放射中心的档案中收集了 80 名患者的全景和锥形束计算机断层扫描 (CBCT) 图像。通过测量全景和 CBCT 图像上 Cemento-Enamel Junction（CEJ）到牙槽骨嵴的距离，得出 ABL 的数量。根据牙周疾病将患者分为健康组（ABL ≤ 2 mm）和疾病组（2 mm < ABL）。结果两种技术在前磨牙、上颌臼齿和下颌臼齿区域的平均 ABL 没有明显的统计学差异。然而，在其他区域，全景视图的 ABL 尺寸明显较低（p < 0.05）。此外，全景技术能正确识别 89.1% 的正常病例和 88.4% 的 ABL 病例。全景放射摄影诊断 ABL 的总体准确率为 85%，表明该技术具有良好的准确性。在上颌，全景技术诊断准确率最高的是臼齿，最低的是门齿。在下颌，诊断准确率最高和最低的分别是磨牙和前磨牙。根据卡帕统计，在所有上颌区域，两种技术之间的一致性都非常好（p <0.001）。结论全景放射摄影可准确显示 ABL。在全景X光片中测量下颌后牙区的ABL是相当可靠的；但是，一般来说，数字全景X光片显示的ABL比实际数量要少。

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引用次数: 0

Higher Prevalence of Tooth Loss in People With Abdominal Obesity but Normal Weight: Findings From the United States and Scottish Populations 腹部肥胖但体重正常者牙齿脱落的发生率更高：来自美国和苏格兰人群的研究结果

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical and Experimental Dental Research

Pub Date : 2024-11-19 DOI: 10.1002/cre2.70047

Jing Kang, Harriet Larvin, Sue Pavitt, Jianhua Wu

Objectives

Previous research has shown that people with obesity are at a higher risk of tooth loss; however, it is unclear whether abdominal obesity (e.g., high waist circumference) is associated with tooth loss among individuals without obesity. This study aims to investigate the association between abdominal obesity and tooth loss among people who are not obese.

Material and Methods

Two cross-sectional surveys were used: the United States' National Health and Nutrition Examination Survey (NHANES) 1999–2012 (n = 19,436) and the Scottish Health Survey (SHeS) 2008–2014 (n = 4243). Tooth loss was measured by the number of remaining teeth: 20 and over, 1–19, and edentulous. Abdominal obesity was defined by categorizing waist circumference into three levels: normal, high, and very high. Ordinal logistic regression was used to model the association between tooth loss and abdominal obesity.

Results

For people living without obesity, abdominal obesity is associated with a higher prevalence of tooth loss, and the effect is different between women and men. For women, abdominal obesity increased the chance of tooth loss by 64% (odds ratio [OR]: 1.64, 95% confidence interval [CI]: 1.16–2.34) in the NHANES and 196% (OR: 2.96, 95% CI: 1.47–5.97) in the SHeS. For men, abdominal obesity increased the chance of tooth loss by 41% (OR: 1.41, 95% CI: 1.06–1.87) in the NHANES and 65% (OR: 1.65, 95% CI: 1.02–2.73) in the SHeS.

Conclusions

This study indicated that the prevalence of tooth loss is substantially higher in people with abdominal obesity, and this association is distinctively different between men and women. These findings suggest that those who are not obese but have abdominal obesity may be an important target population for oral health prevention strategies.

目的以往的研究表明，肥胖者患牙齿脱落的风险较高；但腹部肥胖（如腰围过高）是否与非肥胖者的牙齿脱落有关，目前尚不清楚。本研究旨在调查腹型肥胖与非肥胖人群牙齿脱落之间的关系。材料和方法采用了两项横断面调查：1999-2012 年美国国家健康与营养调查（NHANES）（n = 19436）和 2008-2014 年苏格兰健康调查（SHeS）（n = 4243）。牙齿缺失按剩余牙齿数量进行测量：20颗及以上、1-19颗和无牙。腹部肥胖的定义是将腰围分为三个等级：正常、高和非常高。采用序数逻辑回归来模拟牙齿脱落与腹型肥胖之间的关系。结果对于没有肥胖症的人来说，腹型肥胖与较高的牙齿脱落率有关，而且男女之间的影响不同。在 NHANES 调查中，腹部肥胖使女性牙齿脱落的几率增加了 64%（几率比 [OR]：1.64，95% 置信区间 [CI]：1.16-2.34），在 SHeS 调查中增加了 196%（OR：2.96，95% 置信区间 [CI]：1.47-5.97）。就男性而言，在 NHANES 中，腹部肥胖会使牙齿脱落的几率增加 41%（OR：1.41，95% CI：1.06-1.87），而在 SHeS 中，腹部肥胖会使牙齿脱落的几率增加 65%（OR：1.65，95% CI：1.02-2.73）。结论本研究表明，腹型肥胖者的牙齿脱落率要高得多，而且这种关联在男性和女性之间存在明显差异。这些研究结果表明，腹部肥胖的非肥胖人群可能是口腔健康预防策略的重要目标人群。

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引用次数: 0

A Prediction Model for Lymph Node Metastasis of Oral Squamous Cell Carcinoma Based on Multiple Risk Factors 基于多种风险因素的口腔鳞状细胞癌淋巴结转移预测模型

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical and Experimental Dental Research

Pub Date : 2024-11-17 DOI: 10.1002/cre2.70046

Hongyu Shen, Tonghan Zhang, Shuoyu Wang

Objectives

Cervical lymph node metastasis (CLNM) frequently occurs in oral cancer patients. This study aims to investigate risk factors associated with CLNM and predict CLNM preoperatively in patients with oral squamous cell carcinoma (OSCC).

Materials and Methods

This population-based, hospital retrospective cohort study included 158 patients with oral cancer. We performed regression analysis to determine risk factors and establish a model for predicting CLNM in patients with OSCC. To distinguish and validate the prediction model, we used the area under the receiver operating characteristic (ROC) curve (AUC).

Results

Lymph node size, tumor size, degree of differentiation, and LVI were risk factors for cancer metastasis. The OR values were 1.245, 2.847, 2.527, and 6.945, respectively. The AUC value for the clinical prediction model was 0.8736 (95% CI: 0.8043–0.9429).

Conclusions

The prediction model for OSCC patients predicts CLNM and provides a new method for preoperative assessment of whether cervical lymph nodes are metastatic, as well as a guide for surgical treatment, including whether to carry out neck dissection and which neck dissection procedure to use.

目的：颈淋巴结转移（CLNM）经常发生在口腔癌患者中。本研究旨在调查与颈淋巴结转移相关的风险因素，并对口腔鳞状细胞癌（OSCC）患者的颈淋巴结转移进行术前预测：这项基于人群的医院回顾性队列研究纳入了 158 名口腔癌患者。我们进行了回归分析，以确定OSCC患者的风险因素并建立预测CLNM的模型。为了区分和验证预测模型，我们使用了接收者操作特征曲线（ROC）下面积（AUC）：淋巴结大小、肿瘤大小、分化程度和 LVI 是癌症转移的危险因素。OR值分别为1.245、2.847、2.527和6.945。临床预测模型的AUC值为0.8736（95% CI：0.8043-0.9429）：OSCC患者的预测模型可预测CLNM，为术前评估颈部淋巴结是否转移提供了一种新方法，同时也为手术治疗提供了指导，包括是否进行颈部清扫以及采用哪种颈部清扫术。

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引用次数: 0

Exploring the Variations in the Use of Modified Dental Anxiety Scale (MDAS) in Literature: A Survey of Studies Published from 2014 to 2023 探索文献中使用改良牙科焦虑量表（MDAS）的差异：2014年至2023年发表的研究调查。

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical and Experimental Dental Research

Pub Date : 2024-11-13 DOI: 10.1002/cre2.70040

Andy Wai Kan Yeung

Objectives

Modified Dental Anxiety Scale (MDAS) is a frequently used psychometric tool to evaluate the dental anxiety level of dental patients or the general population. However, it was largely unclear if MDAS was consistently administered in the original format in the academic literature. This work aimed to survey the literature published in the last 10 years to reveal the current usage of MDAS.

Methods

Web of Science and Scopus were queried to identify papers that mentioned the use of MDAS.

Results

Among a total of 260 analyzed papers, 101 papers included comprehensive information regarding both the questions posed and the response format employed. Two papers only used an explicitly renamed MDAS with modified contents. Among the 258 papers that used MDAS that were supposed to be standardized, many discrepancies from the original version were discovered. There were only 39 papers that strictly followed the recommended scoring scheme: if a participant had a score of ≥ 19, he or she might be highly dentally anxious. Notable modifications included the use of a cut-off score different from the original recommendation, the use of multiple cut-off scores, modifications of the response format or descriptors, and modifications to the question items especially adding extra questions.

Conclusions

These modifications would create confusion when researchers and clinicians tried to compare data across studies. Researchers are recommended to administer MDAS in its original format.

目的：改良牙科焦虑量表（MDAS）是一种常用的心理测量工具，用于评估牙科患者或普通人群的牙科焦虑水平。然而，在学术文献中，MDAS 是否一直以原始格式进行施测，这一点在很大程度上并不清楚。这项工作旨在调查过去 10 年中发表的文献，以揭示 MDAS 目前的使用情况：方法：通过查询 Web of Science 和 Scopus，找出提及使用 MDAS 的论文：在总共 260 篇分析论文中，有 101 篇论文包含了有关所提问题和所采用回答格式的全面信息。有两篇论文仅使用了明确更名的 MDAS，并对内容进行了修改。在 258 篇使用本应标准化的 MDAS 的论文中，发现了许多与原始版本不一致的地方。只有 39 篇论文严格遵守了推荐的评分标准：如果受试者的得分≥ 19 分，则可能是高度牙科焦虑。值得注意的修改包括使用与最初建议不同的临界值、使用多个临界值、修改回答格式或描述符，以及修改问题项目，特别是增加额外的问题：当研究人员和临床医生试图比较不同研究的数据时，这些修改会造成混乱。建议研究人员采用 MDAS 的原始格式。

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引用次数: 0

Evaluation of Alveolar Bone Destruction Patterns in the Posterior Region of the Maxilla Through Cone Beam Computer Tomography on 361 Consecutive Patients: Effect of Age and Gender 通过对连续 361 例患者进行锥形束计算机断层扫描评估上颌骨后部的牙槽骨破坏模式：年龄和性别的影响

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical and Experimental Dental Research

Pub Date : 2024-11-13 DOI: 10.1002/cre2.70000

Filiz Namdar Pekiner, Gözde Yılmaz, Gaye Keser, Tan Fırat Eyüboğlu, Mutlu Özcan

Objectives

The aim of this retrospective study is to evaluate the effect of age and gender on the alveolar bone destruction pattern with cone beam computed tomography (CBCT) in the posterior region of the maxilla.

Materials and Methods

The study group included CBCT image records of 361 consecutive patients (180 males and 181 females) aged 20 years and older. Alveolar crest morphology in the maxillary right and left first and second molar teeth on retrospective images was classified as a horizontal or vertical defect (one-walled, two-walled, three-walled, and combined bone defect) on four surfaces (mesial, distal, buccal, and palatinal). Bone crater defects were defined, and furcation involvements and combined periodontal–endodontic lesions (CPELs) were placed in another category.

Results

In 361 patients, 1444 teeth were evaluated from adults between 20 and 63 years of age; 49.9% of the patients were male and 50.1% were female. Female patients had a considerably greater rate of one-walled horizontal damage in the right molar teeth than male patients (p = 0.002; p < 0.05). Patients with combined horizontal destruction in the right and left molar teeth, horizontal destruction in the palatinal, and horizontal three-walled destruction had a significantly higher mean age than patients without these periodontal destructions (p = 0.000; p < 0.05). Males were shown to have statistically higher frequencies of horizontal defects when defects were combined or distally and palatally located.

Conclusions

Age and gender affect the alveolar bone loss pattern. Except for single-walled destructions, it has been found that the frequency of horizontal destruction increases with age. Horizontal destruction in the palatinal along with horizontal three-walled destruction increased with age.

研究目的这项回顾性研究旨在通过锥形束计算机断层扫描（CBCT）评估年龄和性别对上颌骨后部牙槽骨破坏模式的影响：研究组包括连续 361 名 20 岁及以上患者（180 名男性和 181 名女性）的 CBCT 图像记录。在回顾性图像上将上颌左右第一和第二磨牙的牙槽嵴顶形态分为四个表面（中侧、远侧、颊侧和腭侧）的水平或垂直缺损（单壁、双壁、三壁和合并骨缺损）。骨坑缺损被定义为一类，毛囊受累和牙周-牙髓联合病变（CPEL）被归为另一类：对 361 名患者的 1444 颗牙齿进行了评估，这些患者均为 20 至 63 岁的成年人；49.9% 的患者为男性，50.1% 的患者为女性。与男性患者相比，女性患者的右磨牙单壁水平损伤率要高得多（P = 0.002；P 结论：年龄和性别对牙槽骨损伤有影响：年龄和性别会影响牙槽骨损失的模式。除单壁破坏外，研究发现水平破坏的频率随着年龄的增长而增加。腭侧的水平破坏和水平三壁破坏随着年龄的增长而增加。

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引用次数: 0