Clinical Implant Dentistry and Related Research最新文献

{"title":"Patient-Reported Outcome Measures Following Implant Placement With Simultaneous Horizontal Bone Augmentation","authors":"Dorian Braun,&nbsp;Vivianne Chappuis,&nbsp;Clemens Raabe,&nbsp;Valerie G. A. Suter,&nbsp;Manrique Fonseca,&nbsp;Emilio Couso-Queiruga","doi":"10.1111/cid.70005","DOIUrl":"10.1111/cid.70005","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>This study aimed to evaluate the impact of implant placement with simultaneous bone augmentation on patients' willingness to repeat the procedure. Secondary outcomes included assessing patient-reported outcome measures, clinical- and surgical-related factors affecting treatment outcomes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Subjects who were currently undergoing or have undergone implant placement with simultaneous bone augmentation in the esthetic region (maxillary second premolar to second premolar) were assigned to three groups: Group A (short-term), Group B (1–5 years post-surgery), and Group C (&gt; 5 years post-surgery). Clinical assessments, dichotomous questions, and visual analogue scales were used to evaluate therapeutic outcomes according to the group of interest.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>One hundred and fifty patients completed the study (<i>n</i> = 50 per group). In Group A, 16% experienced wound dehiscence (membrane exposure &lt; 3 mm), and 2% had postoperative bleeding, infection, swelling, or abscess. Flaps extending beyond three teeth significantly increased early membrane exposure (<i>p</i> = 0.04). Patient-reported postoperative discomfort (<i>p</i> &lt; 0.001) and wound healing scores (<i>p</i> &lt; 0.04) decreased over time. Willingness to repeat the procedure was 100%, 88%, and 98% in Groups A, B, and C, respectively, with satisfaction rates of 98.2 ± 7.5, 91.2 ± 10.6, and 95.2 ± 10.9. No significant differences were found between Groups B and C for functional or esthetic satisfaction. However, Group C reported higher satisfaction and comfort (<i>p</i> &lt; 0.001). Younger adults and women reported greater postoperative discomfort than older adults and men.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Implant placement with simultaneous horizontal bone augmentation in esthetic areas shows a high willingness of patients to repeat the procedure in the short-, mid-, and long-term. Additionally, this therapeutic approach yields low rates of postoperative complications and discomfort, along with high patient satisfaction related to functional performance, esthetics, and overall comfort.</p>\u0000 </section>\u0000 </div>","PeriodicalId":50679,"journal":{"name":"Clinical Implant Dentistry and Related Research","volume":"27 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143082604","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}

{"title":"Immediate Implant Placement in the Esthetic Zone: A Multi-Variate Analysis of Influencing Factors","authors":"Yixin Jin,&nbsp;Chen Deng,&nbsp;Xingmei Yang,&nbsp;Yi Man,&nbsp;Chen Hu","doi":"10.1111/cid.13439","DOIUrl":"10.1111/cid.13439","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>To evaluate the dimensional reduction of the peri-implant hard tissues and esthetic outcome after immediate implant placement (IIP) in the esthetic zone.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Material and Methods</h3>\u0000 \u0000 <p>Patients who received IIP with bone grafts in the esthetic zone, with either immediate or delayed restoration, were included in this retrospective cohort study. The implants were categorized into three groups based on the labial bone thickness (LBT) before implantation: Group 1 (≤ 0.5 mm), Group 2 (0.5–1 mm), Group 3 (≥ 1 mm). The horizontal bone loss (HBL) at 0, 3, 5 mm apical to implant shoulder, peri-implant marginal bone loss (MBL), and Pink Esthetic Score (PES) were used to evaluate the hard and soft tissue after IIP.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>A total of 87 implants in 74 patients met the inclusion criteria. Compared to group 3, there was significant severe bone loss in the HBL-0 mm in groups 1 (<i>p</i> = 0.017); and the implant located in the central incisor position and female may led to increased bone resorption (<i>p</i> = 0.021, <i>p</i> = 0.061, respectively). For HBL-3 mm and HBL-5 mm, the non-immediate restoration may reduce bone resorption (<i>p</i> = 0.013, <i>p</i> = 0.022, respectively). The MBL during short-term follow-up and PES score showed no significant difference among three groups.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Despite limitations, our study found that LBT &lt; 0.5 mm significantly affected horizontal bone loss. Meanwhile, immediate restoration, implant position of central incisors and female may also be considered as risk factors for HBL. However, the difference in the labial bone did not significantly affect MBL, or peri-implant soft tissue outcomes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Trial Registration</h3>\u0000 \u0000 <p>This study was registered in a clinical trial registry (www.chictr.org.cn, No: ChiCTR2400087990)</p>\u0000 </section>\u0000 </div>","PeriodicalId":50679,"journal":{"name":"Clinical Implant Dentistry and Related Research","volume":"27 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143082596","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}

{"title":"Salivary Inflammatory Mediator Profiles in Periodontal and Peri-Implant Health and Disease: A Cross-Sectional Study","authors":"Carl Titusson,&nbsp;Leif Jansson,&nbsp;Carolina Modin,&nbsp;Anna Lundmark,&nbsp;Kaja Eriksson,&nbsp;Lottie Adler,&nbsp;Tülay Yucel-Lindberg","doi":"10.1111/cid.70002","DOIUrl":"10.1111/cid.70002","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>This cross-sectional study aimed to investigate the salivary profile of inflammatory mediators in individuals with periodontal and peri-implant disease as compared to individuals with periodontal and peri-implant health.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>Saliva samples were collected from 155 participants (mean age 63.3 ± 11.4 years), comprising individuals with periodontal and peri-implant health (<i>N</i> = 41), gingivitis and/or mucositis (<i>N</i> = 18), and periodontitis and/or peri-implantitis (<i>N</i> = 96). Samples were analyzed using multiplex-immunoassay panel consisting of inflammatory mediators in the tumor necrosis factor (TNF), interferon (IFN), interleukin (IL) superfamily, and matrix metalloproteinases.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The levels of B-cell activating factor (BAFF), sIL-6Rβ, IFN-β, and sIL-6Rα, sTNFR1, and Pentraxin-3 were significantly higher in patients with periodontitis and/or peri-implantitis compared to healthy subjects. Furthermore, among the investigated inflammatory mediators, Pentraxin-3 exhibited the highest diagnostic potential (AUC = 0.74) for distinguishing between subjects with periodontitis and/or peri-implantitis and healthy individuals.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Our findings demonstrated elevated salivary levels of BAFF, sIL-6Rβ, IFN-β, sIL-6Rα, sTNF-R1, and Pentraxin-3 in individuals with periodontitis and/or peri-implantitis in comparison to periodontal and peri-implant healthy controls.</p>\u0000 </section>\u0000 </div>","PeriodicalId":50679,"journal":{"name":"Clinical Implant Dentistry and Related Research","volume":"27 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11775428/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143060710","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}

{"title":"Submucosal Microbiome Profiles in Paired and Unpaired Samples From Healthy and Peri-Implantitis Dental Implants","authors":"Oscar Iván Tocarruncho,&nbsp;Yineth Neuta,&nbsp;Yamil Lesmes,&nbsp;Diana Marcela Castillo,&nbsp;Sandra Leal,&nbsp;Leandro Chambrone,&nbsp;Gloria Inés Lafaurie","doi":"10.1111/cid.13423","DOIUrl":"10.1111/cid.13423","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>This cross-sectional study aimed to compare the composition of the submucosal microbiome of peri-implantitis with paired and unpaired healthy implant samples.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We evaluated submucosal plaque samples obtained in 39 cases, including 13 cases of peri-implantitis, 13 cases involving healthy implants from the same patient (paired samples), and 13 cases involving healthy implants from different individuals (unpaired samples). The patients were evaluated using next-generation genomic sequencing (Illumina) based on 16S rRNA gene amplification. The sequences were grouped according to the amplicon sequence variant (ASV) to define the taxonomic categories. Alpha diversity was analyzed using Shannon's and Simpson's indices, while beta diversity was evaluated using principal coordinate analysis, analysis of similarities, and permutational multivariate variance analysis. Additionally, UniFrac distances were evaluated using Quantitative Insights into Microbial Ecology 2. Finally, we evaluated between-group differences in the taxonomic components.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>There were no significant between-group differences in alpha diversity. The average bacterial ratios of <i>Filifactor alocis, Porphyromona endodontalis, Tannerella forsythia, Treponema denticola, Peptostreptococcaceae [Eubacterium nodatum], Desulfobulbus sp.</i> HTM 041, and <i>Mogibacterium timidum</i> significantly differed between peri-implantitis samples and unpaired samples from the healthy implants (<i>p</i> &lt; 0.05). However, there were few differences in the microbiota between peri-implantitis samples and those paired with healthy implants in the same patient.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Future studies comparing the microbiome compositions using sequencing techniques between healthy implants and implants with peri-implantitis should focus on retrieving samples from the same patient, especially in individuals with a history of periodontitis.</p>\u0000 </section>\u0000 </div>","PeriodicalId":50679,"journal":{"name":"Clinical Implant Dentistry and Related Research","volume":"27 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143060946","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}

{"title":"Artificial Intelligence-Based Detection and Numbering of Dental Implants on Panoramic Radiographs","authors":"Yunus Balel,&nbsp;Kaan Sağtaş,&nbsp;Fatih Teke,&nbsp;Mehmet Ali Kurt","doi":"10.1111/cid.70000","DOIUrl":"10.1111/cid.70000","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>This study aimed to develop an artificial intelligence (AI)-based deep learning model for the detection and numbering of dental implants in panoramic radiographs. The novelty of this model lies in its ability to both detect and number implants, offering improvements in clinical decision support for dental implantology.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>A retrospective dataset of 32 585 panoramic radiographs, collected from patients at Sivas Cumhuriyet University between 2014 and 2024, was utilized. Two deep-learning models were trained using the YOLOv8 algorithm. The first model classified the regions of the jaw to number the teeth and identify implant regions, while the second model performed implant segmentation. Performance metrics including precision, recall, and F1-score were used to evaluate the model's effectiveness.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The implant segmentation model achieved a precision of 91.4%, recall of 90.5%, and an F1-score of 93.1%. For the implant-numbering task, precision ranged from 0.94 to 0.981, recall from 0.895 to 0.956, and F1-scores from 0.917 to 0.966 across various jaw regions. The analysis revealed that implants were most frequently located in the maxillary posterior region.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The AI model demonstrated high accuracy in detecting and numbering dental implants in panoramic radiographs. This technology offers the potential to reduce clinicians' workload and improve diagnostic accuracy in dental implantology. Further validation across more diverse datasets is recommended to enhance its clinical applicability.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Clinical Relevance</h3>\u0000 \u0000 <p>This AI model could revolutionize dental implant detection and classification, providing fast, objective analyses to support clinical decision-making in dental practices.</p>\u0000 </section>\u0000 </div>","PeriodicalId":50679,"journal":{"name":"Clinical Implant Dentistry and Related Research","volume":"27 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11755223/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143026043","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}

{"title":"Impact of Implant Mesiodistal Distance on Peri-Implant Bone Loss: A Cross-Sectional Retrospective Study","authors":"Wenwen Liu,&nbsp;Fangyu Zhu,&nbsp;Lu Han,&nbsp;Pei Li,&nbsp;Hom-Lay Wang","doi":"10.1111/cid.13442","DOIUrl":"10.1111/cid.13442","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Purpose</h3>\u0000 \u0000 <p>The purpose of this study was to verify the effect of our previously proposed mesiodistal distance for multiple posterior implants on preserving peri-implant bone, and to provide a measurable criterion for predicting implant prognosis.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>One hundred and two patients with dental implants placed in the posterior free-end edentulous arches were recruited in this cross-sectional study. Calibrated X-rays (peri-apical [PA] or bite-wing x-ray) were collected to measure the mesiodistal space as well as the corresponding bone resorption of implants after prosthesis placement. Implants were assigned to the test/control group according to whether their mesiodistal distance following our proposed algorithm. After adjusting covariates, logistic multivariate regression analyses were performed to examine the relationship between inter-implant distance and marginal bone loss (MBL) during each follow-up interval. The effect of smoking habits was also analyzed.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Every observation period exhibited great significance between experimental and control group on peri-implant bone level (<i>p</i> = 0.006, 0.005, 0.001, 0.025, 0.001, correspondingly) and the difference had a tendency to grow as time went by except 4-year (MD = −0.19, −0.39, −0.43, −0.30, −1.26, correspondingly). While no significant difference was observed between smokers and nonsmokers in the same group (<i>p</i> &gt; 0.05).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>The mesiodistal algorithm of 4–4.6 mm (implant to adjacent canine tooth), 7–7.4 mm, 8–8.5 mm, and 9–9.5 mm was proved to be effective for maintaining peri-implant bone level. It was also observed in our study that the impact of inter-implant distance outweighed that of smoking. This study provided clinicians predictable prognostic outcomes for implants and reference for deciding treatment plans.</p>\u0000 </section>\u0000 </div>","PeriodicalId":50679,"journal":{"name":"Clinical Implant Dentistry and Related Research","volume":"27 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11754714/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143026049","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}

{"title":"Microgap Formation in Conical Implant-Abutment Connections Under Oblique Loading: Influence of Cone Angle Mismatch Through Finite Element Analysis","authors":"Marlene Kasumi Gantier-Takano,&nbsp;Yiyun Xing,&nbsp;Ning Ye,&nbsp;Conrado Aparicio,&nbsp;Carlos Navarro Cuéllar,&nbsp;Josete Barbosa Cruz Meira,&nbsp;Alex Siu Lun Fok","doi":"10.1111/cid.13436","DOIUrl":"10.1111/cid.13436","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>This study evaluated different designs of the conical implant-abutment connection (IAC) and their resistance to microgap formation under oblique loads as specified by the ISO standard for testing dental implants. Also evaluated was the effect of deviations from the ISO specifications on the outcomes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Finite element analysis was conducted to compare the microgap formation and stress distribution among three conical IAC designs (A, B, and C) in two loading configurations: one compliant with ISO 14801 and one with a modified load adaptor (non-ISO). The different IAC designs varied in the taper, diameter, and cone height. The cone angle mismatch (Cam) between the implant and abutment was considered. A torque of 20 Ncm and oblique loads (up to 400 N) were simulated.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The stresses produced by the screw-tightening torque varied among the different IAC designs. The contact height was approximately 0.3 mm for Designs A and B, and less than 0.03 mm for Design C. Under oblique loads, Design A maintained IAC sealing without gap formation up to 400 N. With the ISO adaptor, gaps appeared in Design B at 300 N and in Design C at 90 N. The non-ISO adaptor resulted in gap formation at 160 N for Design B and at 50 N for Design C.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The IAC design and cone angle mismatch significantly influenced microgap formation, with some designs showing zero gaps even when the oblique load reached 400 N. The non-ISO adaptor increased gap formation in IACs B and C.</p>\u0000 </section>\u0000 </div>","PeriodicalId":50679,"journal":{"name":"Clinical Implant Dentistry and Related Research","volume":"27 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143018316","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}

{"title":"Anaerobic Adhesive Effect on the Counter-Torque of Zirconia Implant Abutment Screws: In Vitro Study","authors":"Lara Rúbia Marques Nascimento,&nbsp;Camila da Silva Resende,&nbsp;Ana Flor Sá,&nbsp;Olívia Francescato,&nbsp;Danilo Rocha Dias,&nbsp;Frederico Santos Lages","doi":"10.1111/cid.13438","DOIUrl":"10.1111/cid.13438","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Implantology has become a primary solution for tooth loss due to excellent osseointegration and high long-term success rates. However, complications such as abutment screw loosening, especially in implant-supported single crowns, compromise prosthesis longevity. Anaerobic adhesives (AAs) have shown promise in mechanical fields for preventing screw loosening, but their effectiveness in dental implants, particularly zirconia, remains uncertain. This study evaluates the effect of medium-strength AA on the counter-torque and screw stability of zirconia implant abutments.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Twenty neodent Zi zirconia implants were divided into two groups: control (<i>n</i> = 10) without adhesive and experimental (<i>n</i> = 10) using medium-strength AA (Loctite 242) on the prosthetic screw. Abutment screws were torqued to 32 Ncm and underwent mechanical cycling simulating mastication. Counter-torque was measured post-cycling. Structural damage and adhesive residues were inspected using a stereomicroscope. Data were analyzed using descriptive statistics including means and standard deviations (SDs). The Shapiro–Wilk test was performed to assess data normality. The counter-torque values after cycling were compared to the installation torque value using the one-sample t-test. Comparison between groups was performed using Student's t test. Statistical significance was established as <i>p</i> &lt; 0.05.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The presence of AA was detected on all screws, without causing damage and was easily removable. Both groups showed significantly lower counter-torque values than the installation torque, with no significant intergroup difference.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Medium-strength AA did not significantly affect the counter-torque values of zirconia implant abutment screws, although it was easily removable and caused no damage.</p>\u0000 </section>\u0000 </div>","PeriodicalId":50679,"journal":{"name":"Clinical Implant Dentistry and Related Research","volume":"27 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143018253","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}

{"title":"Peri-Implant Epstein–Barr Virus (+) Mucocutaneous Ulcer in an Immunocompetent Patient: Case Report and Review of the Literature","authors":"Irene Lafuente-Ibáñez de Mendoza,&nbsp;Pablo Aguirre-Echevarria,&nbsp;Tulio Mateo Silva-Soria,&nbsp;Francisco Javier Vallejo Aisa,&nbsp;Aitor Fernández de Larrinoa,&nbsp;José Manuel Aguirre-Urizar","doi":"10.1111/cid.13440","DOIUrl":"10.1111/cid.13440","url":null,"abstract":"<p><i>Epstein–Barr</i> virus (+) mucocutaneous ulcer (EBVMCU) is an uncommon benign lymphoproliferative lesion that develops in immunocompromised patients. We present a special case of EBVMCU located in the peri-implant mucosa and we review the oral cases published to date. An 88-year-old man with no medical history of interest was attended in the dental clinic due to an ulcerated tumor located in the peri-implant mucosa. The lesion showed an atypical lymphoid proliferation, positive for CD3, CD20, CD30, PAX-5, and MUM1. Positive EBV and favorable patient evolution confirmed the final diagnosis of EBVMCU. Oral EBVMCU reports related to immunosenescence mainly develop in the gingiva of advanced age patients. Our case highlights the importance to perform a complete clinicopathological study of all peri-implant lesions. Although most peri-implant pathologies are inflammatory-reactive disorders, sometimes they can also correspond to other entities.</p>","PeriodicalId":50679,"journal":{"name":"Clinical Implant Dentistry and Related Research","volume":"27 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11741149/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143018369","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}

{"title":"Bioceramics for Guided Bone Regeneration: A Multicenter Randomized Controlled Trial","authors":"Yulan Wang,&nbsp;Gang Fu,&nbsp;Jian Zhang,&nbsp;Yan Xu,&nbsp;Ming Shen,&nbsp;Zhe Yi,&nbsp;Jing Lan,&nbsp;Qiang Li,&nbsp;Yangsheng Zhao,&nbsp;Runfa Wu,&nbsp;Yufeng Zhang","doi":"10.1111/cid.13437","DOIUrl":"10.1111/cid.13437","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>To compare the clinical effectiveness of a novel bioceramic (BC) with a control xenograft (BO) for guided bone regeneration (GBR) performed simultaneously with implant placement.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>This clinical study enrolled patients with insufficient bone volume who required GBR during implant placement to increase bone width using either BC or BO. Outcome measures included a dimensional reduction in buccal bone thickness measured by cone beam computed tomography performed immediately post-surgery and at 6 months postoperatively (ΔHBBT), soft tissue healing at 14 days, 1 month, and 6 months postoperatively, and complications rates.</p>\u0000 \u0000 <p>The primary outcome was the change in buccal bone thickness around the implant.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Of the total 152 patients included, 76 from each group received BC and BO treatments. The ΔHBBT in BC and BO groups were −0.276 mm (−0.432, −0.121) and −0.614 mm (−0.769, −0.459) mm, respectively, rejecting the null hypothesis. No significant difference in soft tissue healing was observed between the two groups, with no inflammatory changes in 96.05% and 90.79% of the BC and BO groups, respectively, at 2 weeks postoperatively. However, the BC group exhibited a lower overall complication rate (3.95%), including mild inflammation, poor soft tissue healing, and bone graft extrusion in 3 out of 76 patients.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Both BC and BO demonstrated favorable outcomes in bone regeneration and soft tissue healing when used for simultaneous implant placement and bone augmentation.</p>\u0000 </section>\u0000 </div>","PeriodicalId":50679,"journal":{"name":"Clinical Implant Dentistry and Related Research","volume":"27 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143018284","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}