Journal of Dental Sciences最新文献

{"title":"Improvement in oral hygiene among bedridden patients following domiciliary dental care: A retrospective study","authors":"Min Yee Ng ,&nbsp;Chuan-Hang Yu","doi":"10.1016/j.jds.2025.10.018","DOIUrl":"10.1016/j.jds.2025.10.018","url":null,"abstract":"<div><h3>Background/purpose</h3><div>Domiciliary dental care (DDC) offers dental services in the comfort of a patient's home, typically for bed-bound patients. Poor oral hygiene in this group has been associated with pneumonia. Although DDC reduces the risk of pneumonia, its impact on oral hygiene has not been explored yet. Therefore, this retrospective study aimed to investigate the effectiveness of DDC in improving oral health in bedridden patients.</div></div><div><h3>Materials and methods</h3><div>We retrospectively reviewed individuals who received dental services and evaluated their oral hygiene status using the plaque index (PI). Demographic data (age, sex, cause of bedridden state) and oral findings (DMFT, number of residual roots, and remaining teeth) were also analyzed.</div></div><div><h3>Results</h3><div>In this study, a total of 61 patients were evaluated. Their mean PI improved significantly from 2.02 to 1.73 after receiving DDC. When subjects were stratified according to their baseline median PI (2.1), the high baseline PI group exhibited a greater improvement in PI, reaching levels comparable to those of the low baseline group. Multiple regression analysis identified that a higher baseline PI and a younger age (&lt;43 years) predicted a greater improvement in PI, explaining 34.37 % of the variance. Distribution analysis revealed a higher likelihood of lower PI after intervention, with the low-to-high PI ratio improving from 1:1 to 23:4.</div></div><div><h3>Conclusion</h3><div>Overall, these findings demonstrated that patients significantly improved their PI and oral hygiene after DDC interventions. We anticipate that more dental schools, clinics, and hospitals will soon adopt DDC, increasing accessibility to dental care for bedridden patients.</div></div>","PeriodicalId":15583,"journal":{"name":"Journal of Dental Sciences","volume":"21 1","pages":"Pages 436-442"},"PeriodicalIF":3.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145903884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A scientometric study on research trends and characteristics of randomized controlled trials in orthodontics","authors":"Ning Wang ,&nbsp;Yang Yu ,&nbsp;Linjun Shi ,&nbsp;Zhechen Zhang ,&nbsp;Jianwei Song","doi":"10.1016/j.jds.2025.08.022","DOIUrl":"10.1016/j.jds.2025.08.022","url":null,"abstract":"<div><h3>Background/purpose</h3><div>In evidence-based approaches to orthodontic research, randomized controlled trials (RCTs) are recognized as the highest level of original evidence. The purpose of this study was to analyze the scientometric characteristics and research trends of RCTs in orthodontics, with emphasis on chronological comparison and regional characteristic of the keywords.</div></div><div><h3>Materials and methods</h3><div>All the reports on RCTs in orthodontics were comprehensively retrieved from the Scopus database. The years of publication were divided into before 2020 and Jan 2020–Jul 2025 in the analysis of research trends.</div></div><div><h3>Results</h3><div>There were 1343 reports on RCTs in orthodontics, with total citations of 27,314 and the <em>h</em> index of 74. The most keyword of condition or related disease was malocclusion, followed by pain, mouth hygiene, tooth disease, dental caries, gingivitis, periodontal disease, and root resorption. The research trend of has changed to accelerated orthodontics, photobiomodulation, platelet-rich fibrin, overbite, oral health, mouthwash, chlorhexidine, fluoride varnish, biofilm, streptococcus mutans, low-level laser therapy, and pain management after 2020. Compared with Western countries, the investigators from the representative developing countries more concerned with accelerated orthodontics, diode laser, low-level laser therapy, micro-osteoperforation, microbiology, streptococcus mutans, open bite, pain management, ibuprofen, fluoride varnish, saliva, biofilm, and white spot lesions.</div></div><div><h3>Conclusion</h3><div>This scientometric study elucidated the comprehensive schema and research trends in the field of RCTs in orthodontics, and would help in improving in reciprocal collaboration and provide helpful guidance for further research.</div></div>","PeriodicalId":15583,"journal":{"name":"Journal of Dental Sciences","volume":"21 1","pages":"Pages 593-598"},"PeriodicalIF":3.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145903889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dynamic navigation method for rapid confirmation of multi-unit abutment position and angulation","authors":"Han-Wei Lin ,&nbsp;Cheng-Chung Lin ,&nbsp;Wei-Shao Lin,&nbsp;Wei-Chun Lin","doi":"10.1016/j.jds.2025.10.017","DOIUrl":"10.1016/j.jds.2025.10.017","url":null,"abstract":"","PeriodicalId":15583,"journal":{"name":"Journal of Dental Sciences","volume":"21 1","pages":"Pages 674-676"},"PeriodicalIF":3.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145903893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Simultaneous labial and lingual augmented corticotomy increase periodontal hard and soft tissues in 10 skeletal Class II patients – A preliminary study","authors":"Xiaochi Chang ,&nbsp;Yi Feng ,&nbsp;Cheng Lin ,&nbsp;Chang Shu ,&nbsp;Yichong Sun ,&nbsp;Youmin Mei ,&nbsp;Jianxia Hou","doi":"10.1016/j.jds.2025.06.019","DOIUrl":"10.1016/j.jds.2025.06.019","url":null,"abstract":"<div><h3>Background/purpose</h3><div>During pre-orthognathic orthodontic procedures in skeletal Class II patients, mandibular anterior tooth retraction could cause depletion of periodontal tissues on the labial and lingual sides. This study aimed to assess the changes in alveolar bone thickness, gingival thickness and keratinized gingiva width of the mandibular anterior teeth after labial and lingual augmented corticotomy (LLAC).</div></div><div><h3>Materials and methods</h3><div>10 patients suffering from skeletal Class II malocclusion undergoing orthodontic-orthognathic combined treatment were included and LLAC was performed on their mandibular anterior teeth at the same time. Cone-beam computed tomography (CBCT) was performed at preoperatively (T0), 14 days postoperatively (Ts), and 6 months postoperatively (T1). Intraoral scanning was used at T0 and T1. The alveolar bone thickness, gingival thickness, keratinized gingiva width, and their changes were measured and analyzed.</div></div><div><h3>Results</h3><div>At 6 months after LLAC, the mean labial and lingual alveolar bone thicknesses were 0.91 ± 1.19 mm and 1.43 ± 1.52 mm at T0 and 1.96 ± 1.59 mm and 2.24 ± 1.75 mm at T1. The mean increase in thickness of the labial and lingual gingiva was 0.44 ± 0.46 mm and 0.28 ± 0.45 mm. The mean keratinized gingiva width was 3.92 ± 1.55 mm at T0, and the mean width was 4.79 ± 1.38 mm at T1. There was a significant increase in periodontal soft and hard tissues at all measured sites postoperatively.</div></div><div><h3>Conclusion</h3><div>LLAC procedure improves the periodontal phenotype of skeletal Class II during decompensation. It provides adequate tooth movement distance during preoperative pre-orthognathic orthodontic treatment and ensures that healthy periodontal tissues are obtained during that period.</div></div>","PeriodicalId":15583,"journal":{"name":"Journal of Dental Sciences","volume":"21 1","pages":"Pages 167-176"},"PeriodicalIF":3.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145904001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Relationship between tooth loss and tongue pressure and the effectiveness of removable denture for older people requiring long-term care","authors":"Madoka Funahara ,&nbsp;Yuki Sakamoto ,&nbsp;Haruka Oyama ,&nbsp;Sakiko Soutome","doi":"10.1016/j.jds.2025.06.028","DOIUrl":"10.1016/j.jds.2025.06.028","url":null,"abstract":"<div><h3>Background/purpose</h3><div>Aspiration pneumonia is a major health concern among older adults, particularly those requiring long-term care. It is often caused by silent aspiration of saliva-containing pathogenic bacteria and exacerbated by impaired oral and swallowing functions. Tongue pressure is a key factor in maintaining these functions, and its decline is associated with increased bacterial amount in the saliva and higher mortality. However, the relationship among tongue pressure, occlusal status, and prosthetic treatment in older individuals requiring care remains unclear. This study aimed to investigate the association between tooth loss and decreased tongue pressure in older individuals requiring long-term care, and to evaluate whether wearing removable dentures can mitigate this decline.</div></div><div><h3>Materials and methods</h3><div>Fifty-three participants (mean age: 82.1 years) from three nursing facilities in Japan were assessed. The collected data included tongue pressure, number of teeth, functional tooth units (FTU), oral hygiene, tongue coating index, xerostomia, and salivary bacterial count. Bacterial counts were measured using real-time PCR.</div></div><div><h3>Results</h3><div>Reduced tongue pressure was significantly correlated with increased bacterial counts in the saliva. Multivariate analysis confirmed the significant relationship between decreased nif-FTU levels and reduced tongue pressure. Although not statistically significant, denture use tended to preserve tongue pressure in patients with reduced natural dentition.</div></div><div><h3>Conclusion</h3><div>Tooth loss may contribute to reduced tongue pressure and increased bacterial amount in the saliva of older adults. Prosthetic treatments, including dentures, may help maintain oral function and reduce the risk of aspiration pneumonia.</div></div>","PeriodicalId":15583,"journal":{"name":"Journal of Dental Sciences","volume":"21 1","pages":"Pages 103-108"},"PeriodicalIF":3.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145903934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Characterization of the oral microbiota in zygomatic versus dental implants: Implications for full-mouth rehabilitation","authors":"Min-Yi Sung ,&nbsp;Po-Chih Hsu ,&nbsp;Chan-Yen Kuo ,&nbsp;Liang-Kun Chen ,&nbsp;Chung-Che Tsai ,&nbsp;Yi-Chiung Hsu","doi":"10.1016/j.jds.2025.11.004","DOIUrl":"10.1016/j.jds.2025.11.004","url":null,"abstract":"<div><h3>Background/purpose</h3><div>Dental implants are widely used to restore oral function and esthetics in patients with tooth loss. General zygomatic implants (GZIs) are a valuable alternative for patients with severely atrophic maxillae or post-oncologic defects. However, implant placement can alter the ecological balance of the oral microbiota, potentially influencing peri-implant and sinus-related diseases. Because GZIs often traverse or adjoin the maxillary sinus, their microbial environment may differ from that of general dental implants (GDIs). This study aimed to compare microbiota taxonomy between GZI and GDI sites.</div></div><div><h3>Materials and methods</h3><div>Generally healthy adults treated with either general zygomatic implants (GZI group) or general dental implants (GDI group) at a teaching hospital dental clinic were recruited. Biofilm samples were collected from implant surfaces under aseptic conditions. Microbial DNA was extracted and analyzed using 16S rRNA gene amplicon sequencing. Taxonomic classification and diversity analyses were performed through bioinformatic pipelines to identify bacterial genera and compare microbial community composition between groups.</div></div><div><h3>Results</h3><div>Distinct microbial profiles were observed between the GZI and GDI groups. Rothia, Thermus, and Sphingomonas were significantly more abundant in the GZI group, whereas Capnocytophaga and Leptotrichia predominated in the GDI group, reflecting greater richness in the latter. Notably, Rothia species commonly linked to sinus infections were enriched in the GZI group, suggesting sinus-associated microbiome alterations.</div></div><div><h3>Conclusion</h3><div>Implant type significantly influences peri-implant microbiota composition. Zygomatic implants exhibit distinct microbial communities potentially associated with sinus involvement. Further studies are needed to clarify their role in peri-implant and sinus-related pathogenesis.</div></div>","PeriodicalId":15583,"journal":{"name":"Journal of Dental Sciences","volume":"21 1","pages":"Pages 570-578"},"PeriodicalIF":3.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145904234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the performance of an artificial intelligence model in recognizing the habitual mixed language in Taiwan for generating periodontal charting text reports","authors":"Yi-June Lo ,&nbsp;Yung-Chun Chang ,&nbsp;Chien-Hung Chen ,&nbsp;Hsuan-Po Wang ,&nbsp;Hao-Chen Wang ,&nbsp;Yoichi Ohiro ,&nbsp;Chih-Yuan Fang","doi":"10.1016/j.jds.2025.10.034","DOIUrl":"10.1016/j.jds.2025.10.034","url":null,"abstract":"<div><h3>Background/purpose</h3><div>“Periodontal charting” in Taiwan typically involves a two-person collaboration. However, while advances in voice technology has made it feasible to use voice recognition to reduce these manpower demands in English-speaking countries, these artificial intelligent (AI) voice recognition tools have lacked localized features to make them feasible in our context of Taiwan.</div></div><div><h3>Materials and methods</h3><div>To fill this research gap, we integrated GPT-4o-transcribe and GPT-4.1-mini into a two-stage system for this study, where stage 1 worked on speech-to-text and stage 2 focused on text-to-report. To evaluate this AI model's performance, five representative periodontal charting scenarios were constructed, and 15 voice recordings were collected. The evaluation focused on transcription accuracy and examined factors influencing recognition quality.</div></div><div><h3>Results</h3><div>The system achieved an overall accuracy of 67.40 % in extracting and formatting data fields related to tooth identification, clinical parameters, and periodontal findings. Furcation involvement, mobility assessment, and missing tooth identification exceeded 90 % accuracy, while bleeding on probing reached 85.76 %. The plaque index and keratinized gingiva width had intermediate accuracies of 68.47 % and 70.83 %, respectively. Probing depth and gingival recession were lower at 53.33 % and 52.01 %. The main factors affecting accuracy included unstable speech speed, prolonged pronunciation leading to repeated numbers, and single positional errors causing chain errors.</div></div><div><h3>Conclusion</h3><div>Our AI model showed strong speech recognition abilities without requiring extensive training in professional knowledge. It effectively identified dental terms and their related examinations and numbers in mixed language contexts. Future optimizations will focus on addressing errors from uneven speech speed and individual examiner habits.</div></div>","PeriodicalId":15583,"journal":{"name":"Journal of Dental Sciences","volume":"21 1","pages":"Pages 494-500"},"PeriodicalIF":3.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145904184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of bone surface inclination on the precision of static fully guided implant surgery: A quantitative analysis","authors":"Shiu-Fong Ou ,&nbsp;Szu-Yu Huang ,&nbsp;Chia-Yuan Hu ,&nbsp;Tsung-Chieh Yang ,&nbsp;Tong-Mei Wang","doi":"10.1016/j.jds.2025.10.041","DOIUrl":"10.1016/j.jds.2025.10.041","url":null,"abstract":"<div><h3>Background/purpose</h3><div>Although static fully guided systems improve the accuracy of implant placement, most studies have focused on flat bone surfaces, with limited exploration of the effects of sloped bone surface. In this study, we aimed to evaluate the effects of bone surface inclination on the accuracy of static fully guided implant surgery.</div></div><div><h3>Materials and methods</h3><div>Three 3D-printed maxillary models with a missing upper right lateral incisor were fabricated and each accommodated artificial bone blocks (Sawbones®). Bone blocks were grouped according to the buccal surface inclination (0°, 30°, and 60°; n = 10 per group). A static fully guided surgical system was designed using cone beam computed tomography and model scan data, and implants (Nobel Parallel Conical Connection RP, 4.3 mm × 13 mm) were placed by a single operator. The post-placement accuracy was assessed by mapping the scanned implant data with the surgical plan in Geomagic Control X. Deviations in the entry point, apex, vertical and horizontal positions, as well as angular deviation, were measured. Statistical analysis was performed using one-way ANOVA with Bonferroni post hoc test (<em>P</em> &lt; 0.05).</div></div><div><h3>Results</h3><div>Significant differences were observed in the entry point, apex, angular, and vertical deviations across the inclination groups; however, no significant difference was found in the horizontal deviations. Of the 30 implants, 23 deviated toward the buccal side.</div></div><div><h3>Conclusion</h3><div>Bone surface inclination significantly affects the accuracy of static, fully guided implant surgery. Preoperative planning and guide design should consider these effects in order to optimize implant placement outcomes.</div></div>","PeriodicalId":15583,"journal":{"name":"Journal of Dental Sciences","volume":"21 1","pages":"Pages 524-532"},"PeriodicalIF":3.1,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145904188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Differential diagnosis of a painful swelling lesion in the facial region: A case report of Merkel cell carcinoma","authors":"Yan-Zhi Wang ,&nbsp;Pei-Hui Chen ,&nbsp;Yang-Che Wu,&nbsp;Chih-Yuan Fang","doi":"10.1016/j.jds.2025.07.014","DOIUrl":"10.1016/j.jds.2025.07.014","url":null,"abstract":"","PeriodicalId":15583,"journal":{"name":"Journal of Dental Sciences","volume":"20 4","pages":"Pages 2524-2526"},"PeriodicalIF":3.1,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145018291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Artificial intelligence-assisted enhancement of diagnostic accuracy and efficiency in detecting cervical lymph node metastases in oral squamous cell carcinoma","authors":"Chih-Huang Tseng ,&nbsp;Chang-Wei Su ,&nbsp;Yu-Min Lin ,&nbsp;Yu-Hsun Kao ,&nbsp;Wei-Cheng Lin ,&nbsp;Hao-Tang Wang ,&nbsp;Ching-Yi Chen ,&nbsp;Wen-Chen Wang ,&nbsp;Yuk-Kwan Chen","doi":"10.1016/j.jds.2025.07.026","DOIUrl":"10.1016/j.jds.2025.07.026","url":null,"abstract":"<div><h3>Background/purpose</h3><div>Cervical lymph node metastasis represents a critical prognostic factor in oral squamous cell carcinoma (SCC); however, early-stage or subtle metastases often pose diagnostic challenges under conventional microscopy. Recent advancements in artificial intelligence (AI) offer promising solutions to enhance diagnostic accuracy and efficiency. This study aimed to evaluate the extent to which AI-assisted tools can improve diagnostic performance and efficiency in the detection of cervical lymph node metastases.</div></div><div><h3>Materials and methods</h3><div>Sixty-six hematoxylin-eosin-stained slides containing 621 lymph nodes from oral SCC cases were digitized. Four participants (two oral pathologists, one postgraduate year (PGY) resident, one fourth-year dental student) reviewed slides with and without the AI-assistant tool. Diagnostic accuracy and interpretation time were compared.</div></div><div><h3>Results</h3><div>AI assistance significantly improved diagnostic accuracy and efficiency across different participants. False positives and false negatives decreased notably, especially for junior participants. Review time was also significantly shortened for negative and macrometastatic slides (<em>P</em> &lt; 0.0001 and <em>P</em> &lt; 0.05, respectively), with the greatest benefit seen among less-experienced participants.</div></div><div><h3>Conclusion</h3><div>The AI-assisted tool improved diagnostic accuracy and efficiency in detecting cervical lymph node metastases in oral SCC. It may serve as a preliminary screening tool and a valuable educational aid for training junior pathologists, underscoring its potential for broader application in digital pathology.</div></div>","PeriodicalId":15583,"journal":{"name":"Journal of Dental Sciences","volume":"20 4","pages":"Pages 2092-2097"},"PeriodicalIF":3.1,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145020870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}