Mingfu Ye, Wenjun Liu, Zhaozhao Chen, Lihui Yan, Xiuwen Lin, Hom-Lay Wang
{"title":"Lateral Sinus Floor Elevation Without Bone Graft: A Single- Center Retrospective Study of 216 Implants with a Mean 4-Year Follow-Up.","authors":"Mingfu Ye, Wenjun Liu, Zhaozhao Chen, Lihui Yan, Xiuwen Lin, Hom-Lay Wang","doi":"10.11607/jomi.11482","DOIUrl":"https://doi.org/10.11607/jomi.11482","url":null,"abstract":"<p><strong>Background/objectives: </strong>This retrospective study aimed to assess the clinical outcomes of simultaneous implant placement using the lateral sinus floor elevation without bone graft (LSFEWoG) combined with the osseodensification (OD) technique.</p><p><strong>Materials and methods: </strong>Clinical data from 124 patients who underwent LSFEWoBG combined with the simultaneous implant placement facilitated by the OD approach were retrospectively analyzed. Patients were followed for up to 6 years. Radiographs of the treated sinuses were obtained immediately after the surgery and at the most recent follow-up. Various parameters, including age, gender, smoking, diabetes, implant characteristics (surface modification and apex design), engaging bone height (EBH), number of implants per sinus lift, sinus floor morphology (favorable and unfavorable), elevation height (EH), and bone gain, were recorded and analyzed.</p><p><strong>Results: </strong>A total of 216 implants were placed using the LSFEWoBG combined with OD approach. Nine membrane perforations (5.9%) were identified out of 152 procedures. The overall implant survival rate was 96.12%, irrespective of perforation or sinus morphology. All implant sites showed significant bone gain of more than 7 mm. Additionally, there was a strong positive correlation between bone gain and EH, with a 1 mm bone gain corresponding to an approximately 0.8 mm increase in EH. Individuals who received single implants experienced similar bone gain compared to those with multiple adjacent implants (P > 0.323). Patients with favorable sinus floor morphology had significantly greater bone gain (P < 0.001) compared to those with unfavorable morphology.</p><p><strong>Conclusions: </strong>LSFEWoG combined with OD and simultaneous implant placement achieved a high survival rate up to 6 years, with substantial bone gain strongly correlated with sinus morphology. This technique appears effective and consistent, especially in patients with favorable sinus floor anatomy.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-32"},"PeriodicalIF":1.7,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145254333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Georgios Romanos, Tzicha Jessica Wang, Rafael Delgado-Ruiz
{"title":"Spectrometric Analysis of Titanium Particle Release based on Various Implant Surface Detoxification Methods.","authors":"Georgios Romanos, Tzicha Jessica Wang, Rafael Delgado-Ruiz","doi":"10.11607/jomi.11375","DOIUrl":"https://doi.org/10.11607/jomi.11375","url":null,"abstract":"<p><p>Titanium ions and particles (TiP) are associated with localized inflammatory response and may play a role in further peri-implant tissue breakdown.</p><p><strong>Objective: </strong>The purpose of this study was to evaluate presence of TiP after instrumentation of implant surfaces using different debridement methods.</p><p><strong>Methods: </strong>Six debridement methods, stainless steel (SS), titanium (T)-curette, ultrasonic tip (CV), an ultrasonic tip with plastic sleeve (CS), a CO2- and an Er,Cr:YSGG-laser were evaluated. A simulated defect was created around an implant in type II-bone block and irrigation was performed with water. A CO2-laser (non-contact, defocused beam, continuous wave, 2 W power) and an Er,Cr:YSGG-laser tip was used in contact with the implant (power of 2 W, 75 Hz, 40% water: 2% air). Twenty samples (per method) were collected using paper points after 30 seconds of instrumentation. Chemical composition analysis of the bone block, water irrigation and instruments (baseline) were evaluated for presence of TiP and liquid samples after instrumentation with an x-ray fluorescent spectrometer. Statistical analysis using simple t-test was performed for each debridement method.</p><p><strong>Results: </strong>Baseline measurements showed no TiP. TiP were found in SS-, T- and CV-groups with values of 0.02340.0181, 0.0072±0.0037, 0.0051±0.0041 ppm, respectively. TiP were not observed in CS-, and laser groups. The semiquantitative data showed higher presence of TiP in the SS-, T- and CV-groups in comparison to the baseline (P < .0001).</p><p><strong>Conclusion: </strong>TiP were found after instrumentation using SS, T, CV, which may affect the disease etiology and outcomes of peri-implantitis therapy, compared to CS, CO2- or Er,Cr:YSGG-laser irradiation.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-21"},"PeriodicalIF":1.7,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145254297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Roberto Crespi, Giovanni Crespi, Paolo Toti, Giovanni Battista Menchini-Fabris, Ugo Covani, Georgios Romanos
{"title":"A 10-year Retrospective Study on Full-Arch Implant Prostheses: Comparison of Ceramic and Toronto Bridges.","authors":"Roberto Crespi, Giovanni Crespi, Paolo Toti, Giovanni Battista Menchini-Fabris, Ugo Covani, Georgios Romanos","doi":"10.11607/jomi.11542","DOIUrl":"https://doi.org/10.11607/jomi.11542","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the survival, success rate, and technical complications of two immediately loaded fixed prosthetic designs- full-arch ceramic prostheses and full-arch Toronto bridges- at a 10-year follow-up.</p><p><strong>Materials and methods: </strong>Patient records from 2009 to 2012 at the Tuscan Stomatological Institute were retrospectively analyzed. Individuals treated with immediately loaded; full-arch prosthetic restorations were divided into two groups: Group A (full-arch ceramic prostheses) and Group B (Toronto bridges with acrylic resin occlusal surfaces and metal frameworks). Data on implant/prosthesis survival, success, and complications were collected over a 10-year follow-up. Survival was assessed with Kaplan-Meier analysis and log-rank tests (p < 0.05).</p><p><strong>Results: </strong>Fifty-six patients received 60 full-arch ceramic prostheses supported by 450 implants, and 62 patients received 70 Toronto bridges supported by 410 implants. Five early dental implant failures occurred, all replaced without compromising final prostheses. Over 10 years, 20 patients experienced implant loss: 6 implants in Group A and 14 in Group B. Prostheses with failing implants generally required replacement. There was a significant difference (p=0.0004) in cumulative survival rates between maxillary full-arch ceramic (90.6%) and Toronto bridges (73.7%). Moreover, mandibular Toronto bridges showed significantly higher cumulative survival rate (87.5%) compared with maxillary Toronto bridges (73.7%, p = 0.0002). Fractures and chipping were more common in full-arch ceramic prostheses, leading to a 10-year cumulative success rate of 69.4%, whereas detachments occurred more frequently in Toronto bridges, with a final success rate of 65.2%. Despite these differences, no significant intergroup differences in overall prosthesis success were observed, with 10-year cumulative success rates ranging between 60% and 71% in both groups.</p><p><strong>Conclusions: </strong>Both full-arch ceramic prostheses and Toronto bridges proved to be reliable rehabilitation strategies over 10 years. Fractures were more common in ceramic restorations, while detachments prevailed in Toronto bridges. Ceramic prostheses showed higher survival rates, especially in the maxilla. Overall, long-term success rates were comparable between the two treatments.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-26"},"PeriodicalIF":1.7,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145254341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shraddha Shilpi, Monika Bansal, Saripella Shrikrishna, Gokila Vani S U, Rashika M, Mahendra Rawji Gawade, Sunaina Kushwaha, Sandhya Kumari, Koushika R
{"title":"Comparative Assessment of Osseodensification and Conventional Drilling on Implant Stability, Peri-Implant Bone Response, and Inflammatory Cytokines: A Randomized Controlled Trial.","authors":"Shraddha Shilpi, Monika Bansal, Saripella Shrikrishna, Gokila Vani S U, Rashika M, Mahendra Rawji Gawade, Sunaina Kushwaha, Sandhya Kumari, Koushika R","doi":"10.11607/jomi.11589","DOIUrl":"https://doi.org/10.11607/jomi.11589","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate and compare the influence of osseodensification (OD) and conventional drilling (CD) techniques on primary and secondary implant stability. The study also compares the effect of these techniques on peri-implant bone density, crestal bone level, alveolar ridge width, and concentration of TNF-α and IL-1β.</p><p><strong>Materials & methods: </strong>A total of 24 single or multiple edentulous sites were randomly and evenly allocated into two groups of 12, such that osteotomy preparation for implant placement was carried out using the OD technique in Group A and the CD technique in Group B. Follow-up evaluations were performed at 1, 4, and 6 months after implant placement. Intergroup and intragroup comparisons were performed with independent t-tests and paired t-tests respectively. Repeated measures ANOVA was applied to compare bone density across different time points. A p-value ≤ 0.05 was set as statistically significant.</p><p><strong>Results: </strong>Of 24 sites, only 20 (6 males, 5 females) were evaluated in the final analysis, as 3 subjects (1 male, 2 females) missed their follow-up visits. Group A showed significantly higher ISQ values immediately after implant placement (p ≤ 0.001), but not after 4 months (p = 0.053). No significant intergroup differences were found for bone density, crestal bone levels, ridge width, or TNF-α/IL-1β levels at all time points. Nevertheless, Group A exhibited significant postoperative increases in bone density (p = 0.003) and ridge width (p ≤ 0.001) relative to preoperative measurements.</p><p><strong>Conclusion: </strong>OD offers a conservative and biologically favorable approach to implant osteotomy preparation, particularly beneficial in sites with compromised bone conditions by simultaneously enhancing primary stability, bone density, and ridge width without inducing adverse peri-implant tissue responses.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-29"},"PeriodicalIF":1.7,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145254303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Is Alveolar Ridge Preservation Necessary in Molar Sites? A Systematic Review.","authors":"Manali Vora, Lan-Lin Chiou, Sejal Thacker","doi":"10.11607/jomi.11561","DOIUrl":"https://doi.org/10.11607/jomi.11561","url":null,"abstract":"<p><strong>Purpose: </strong>Alveolar ridge preservation (ARP) aims to minimize alveolar bone resorption after extraction. The benefit of ARP in reducing the need for additional bone augmentation procedures to facilitate implant placement has been demonstrated, particularly in single-rooted tooth sites. However, its efficacy in molar sites remains unclear. This systematic review aimed to investigate if ARP in molar sites, compared to spontaneous healing (SH), adequately preserves ridge dimensions to facilitate successful implant placement while reducing the need for additional bone augmentation procedures such as guided bone regeneration (GBR) or sinus floor augmentation (SFA).</p><p><strong>Materials and methods: </strong>A literature search was conducted using four electronic databases. Randomized controlled trials (RCTs), controlled clinical trials (CCTs), and cohort studies involving adult patients undergoing molar tooth/teeth extraction planned for implant placement and with a minimum follow-up of 3 months were included. Data on horizontal and vertical ridge dimension changes, need for GBR or SFA for implant placement and other implant-related outcomes were collected.</p><p><strong>Results: </strong>A total of 14 studies were included: eight RCTs, two CCTs, three prospective cohort studies, and one retrospective cohort study. 571 sites were analyzed, with the number of sites in individual studies ranging from 20 to 80. In periodontally sound sockets, the ridge width reduction was less in the ARP groups (range: -1.02 ± 0.88 mm to -2.73 ± 1.68 mm) compared to SH groups (range: -2.36 ± 0.91 mm to -4.44 ± 3.71 mm). A similar trend was noted for ridge height reduction, irrespective of the condition of extraction socket. Moreover, ARP reduced the need for advanced grafting procedures (20.8% for ARP groups vs 47.7% for SH groups), including GBR, SFA and SFA via lateral window approach.</p><p><strong>Conclusions: </strong>Within the limits of this review, it can be concluded that ARP in molar sites can limit alveolar bone resorption post-extraction and reduce the need for additional bone augmentation procedures as well as the likelihood of requiring SFA via the lateral window approach in maxillary posterior sites.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-26"},"PeriodicalIF":1.7,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145254310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
İrem Asya Kafadar-Gürbüz, Tayfun Günbay, Gözde Işik, Olkan Gürbüz, Ömer Faruk Dadaş
{"title":"A CONSORT-Compliant Randomized Comparative Trial of Osseodensification Versus Osteotome Technique for Transcrestal Sinus Elevation with Simultaneous Implant Placement.","authors":"İrem Asya Kafadar-Gürbüz, Tayfun Günbay, Gözde Işik, Olkan Gürbüz, Ömer Faruk Dadaş","doi":"10.11607/jomi.11566","DOIUrl":"https://doi.org/10.11607/jomi.11566","url":null,"abstract":"<p><strong>Purpose: </strong>Transcrestal sinus lifting with simultaneous implant placement is a common approach in cases with reduced posterior maxillary bone height. This study aimed to compare the outcomes of osseodensification and osteotomy in transcrestal sinus lift with simultaneous implant placement in patients with limited posterior maxillary bone height.</p><p><strong>Materials and methods: </strong>This prospective, randomized clinical trial included 28 patients with 42 implants, divided into two groups: osseodensification (n=22) and osteotomy (n=20). The primary outcome was implant stability, measured by insertion torque and ISQ. The mean ISQ values were 67.50 ± 10.89 for Group 1 and 75.09 ± 7.87 for Group 2, a difference that was also statistically significant. Secondary outcomes included marginal bone loss, implant survival, postoperative pain (VAS), analgesic consumption, and oral health-related quality of life (OHIP). Statistical analyses included t-tests, Mann-Whitney U tests, chi-square tests, linear mixed-effects models, and Brunner-Langer models.</p><p><strong>Results: </strong>Primary stability was significantly higher in the osseodensification group (ISQ: 75.09 ± 7.87 vs. 67.50 ± 10.89; p = 0.013; mean difference: 7.59, 95% CI: 1.68-13.50) and (Torque: 32.95 ± 6.67 vs. 26.25 ± 9.98; p = 0.008; mean difference: 6.70, 95% CI: 1.87-11.53). Both groups had a 100% implant survival rate. Marginal bone loss was comparable (p = 0.459). Analgesic consumption was significantly lower in the osseodensification group (mean difference: -1.36, 95% CI: -2.44 to -0.28; p = 0.016). OHIP scores were significantly lower after prosthetic loading in the osseodensification group (p = 0.008).</p><p><strong>Conclusion: </strong>Osseodensification yielded greater primary stability and improved patient-reported outcomes compared to osteotomy, with similar implant survival and bone loss.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-31"},"PeriodicalIF":1.7,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145226578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mounika V Sama, Mohan Kumar P, Gautami S Penmetsa, Satyanarayana R Mantena, Sruthima G, Ramesh Ksv, Anil Kumar K
{"title":"Effect Of Laser Photobiomodulation on Post-Surgical Healing, Implant Stability and Crestal Bone Levels around Implants: A Randomized Controlled Clinical Trial.","authors":"Mounika V Sama, Mohan Kumar P, Gautami S Penmetsa, Satyanarayana R Mantena, Sruthima G, Ramesh Ksv, Anil Kumar K","doi":"10.11607/jomi.11568","DOIUrl":"https://doi.org/10.11607/jomi.11568","url":null,"abstract":"<p><strong>Background: </strong>In dental implantology, various techniques are used to support bone healing and enhance osseointegration. One such approach is photobiomodulation (PBM). So, this study aimed to evaluate and compare the effects of 810 nm photobiomodulation (PBM) on post-surgical healing, implant stability, and crestal bone levels surrounding dental implants.</p><p><strong>Methodology: </strong>Twenty participants with edentulous areas in the mandibular posterior sites were randomly divided into test or control group. After thorough clinical and radiological evaluations, dental implants were placed using the conventional technique in both groups. Photobiomodulation using an 810 nm diode laser was applied at baseline and again after one week in the test group. Clinical outcomes, such as implant stability were assessed initially at baseline and after 3 months using resonance frequency analysis (RFA). Post-surgical healing was assessed one week following surgery during suture removal. Radiographic parameters, specifically crestal bone loss, were recorded at baseline, 3 months, and 6 months using digital radiovisiography (RVG).</p><p><strong>Results: </strong>At the three-month follow-up, stability was markedly higher in the test group as compared to the control group (p = 0.007*). Healing was also notably better in the test group (p = 0.045*). On comparison of mean crestal bone levels, the test group demonstrated noticeably lower marginal bone levels at 3 months on mesial side in contrast to the control group. By six months, however, significant differences in crestal bone levels were recorded at the mesial and distal aspects surrounding the implants.</p><p><strong>Conclusion: </strong>Photobiomodulation demonstrated enhanced outcomes, including greater implant stability, improved healing, and decreased crestal bone loss relative to implants placed without its application.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-22"},"PeriodicalIF":1.7,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145226533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Quantitative Assessment of Long-Term Changes in Peri-Implant Bone Structure in Patients Using Fixed and Removable Prostheses.","authors":"Elif Aslan, Nesrin Dundar, Onur Mutlu","doi":"10.11607/jomi.11545","DOIUrl":"https://doi.org/10.11607/jomi.11545","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to evaluate structural changes in peri-implant trabecular bone in patients with fixed and removable implant-supported prostheses over an average five-year period using panoramic radiography.</p><p><strong>Materials and methods: </strong>Two consecutive panoramic images, one taken before implant placement and the other an average of five years after prosthodontic loading, of a total of 60 mandibular implants with either fixed or removable prostheses were included in the study. Measurements included fractal dimension, bone area fraction, and mean gray value of three peri-implant regions (mesial, distal, apical) and three control regions (inferior to the mental foramen, angle, and condyle). The paired samples t-test was used for statistical analysis (p<0.05).</p><p><strong>Results: </strong>In patients with fixed prostheses, significant reductions in bone area fraction and mean gray value were observed after loading. Conversely, patients using removable implant-supported prosthesis exhibited increased fractal dimension values. Control regions in both groups exhibited age-related declines in bone area fraction and mean gray value over the five-year period.</p><p><strong>Conclusions: </strong>Our results demonstrated that fractal dimension is a useful method for monitoring structural bone alterations around implants with removable prostheses during post-loading follow-up periods. In addition to functional forces, long-term peri-implant bone remodeling may also be influenced by aging.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-24"},"PeriodicalIF":1.7,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145226300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Perry Raz, Oded Kantzuker, Gil Slutzkey, Ilan Beitlitum
{"title":"Clinical Performance of Narrow Versus Standard Diameter Dental Implants: A Comparative Retrospective Split-Mouth Study.","authors":"Perry Raz, Oded Kantzuker, Gil Slutzkey, Ilan Beitlitum","doi":"10.11607/jomi.11490","DOIUrl":"https://doi.org/10.11607/jomi.11490","url":null,"abstract":"<p><strong>Aim: </strong>To compare the clinical performance of narrow diameter implants (NDIs) to standard diameter implants (SDIs) over a minimum three-year follow-up period, focusing on different anatomical locations and prosthetic designs.</p><p><strong>Materials and methods: </strong>This retrospective study analyzed 100 MIS LANCE and SEVEN dental implants with an internal hex connection (50 NDIs, 3.3mm; 50 SDIs, 3.75-4.2mm) placed in 43 patients (mean age 52 years). Implants were evaluated in three configurations: homologous split-mouth design, different arches, and same arch/segment. Marginal bone loss (MBL) was measured using periapical radiographs. Technical complications were recorded and survival rates were calculated.</p><p><strong>Results: </strong>There was no failure of either implant type during a mean follow-up of 4.2 ± 0.8 years. There were no statistically significant differences in MBL between the implant types, with mean values of 0.83 mm for NDIs and 0.87 mm for SDIs. Similarly, there were no significant differences in MBL between jaws, locations or between splinted and non-splinted restorations. However technical complications including one abutment screw fracture (2%) and two cases of abutment screw loosening (4%) were only noted with NDIs.</p><p><strong>Conclusions: </strong>The clinical outcomes of NDIs with an internal connection were comparable to SDIs in terms of survival rates and marginal bone loss over a three-year period. While technical complications were only seen in NDIs, the overall performance supports their use as a viable alternative to SDIs, particularly in cases with limited bone width or restricted interdental spaces. The outcomes of single and splinted restorations were similarly favorable in the anterior or posterior regions of both jaws.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-21"},"PeriodicalIF":1.7,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145226536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Marc Quirynen, Mihai Tarce, Manoetjer Siawasch, Ana B Castro, Andy Temmerman, Wim Coucke, Wim Teughels
{"title":"Peri-implantitis Risk Assessment (PiRA) Part 2: Retrospective Study and Framework for an Evidence-Based Prediction Model for Clinicians.","authors":"Marc Quirynen, Mihai Tarce, Manoetjer Siawasch, Ana B Castro, Andy Temmerman, Wim Coucke, Wim Teughels","doi":"10.11607/jomi.11211","DOIUrl":"10.11607/jomi.11211","url":null,"abstract":"<p><strong>Purpose: </strong>To develop an online tool based on an evidence-based predictive model that allows clinicians to accurately predict the risk of peri-implantitis in candidates for dental implant therapy.</p><p><strong>Materials and methods: </strong>A retrospective study of patients attending the University Hospital Leuven in Leuven, Belgium, was performed at the Implant Review Clinic. The presence of peri-implantitis and related risk factors were recorded, and a predictive model for peri-implantitis was then developed based on this data.</p><p><strong>Results: </strong>A total of 460 patients with 1,432 implants were included. Peri-implantitis was reported in 78 (17%) patients. For partially edentulous patients (n = 350; 60% female; average age 64.1 years), susceptibility to periodontitis (odds ratio [OR] = 0.48 [0.24;0.94]; P = .03), the number of sites with a probing pocket depth (PPD) of ≥ 5 mm (OR = 0.2 [0.10;0.40]; P < .01), and smoking (OR = 0.25 [0.09;0.66]; P < .01) were significantly associated with peri-implantitis. For fully edentulous patients (n = 50; 72% female; average age 72.2 years), implants placed in the maxilla displayed a greater risk (OR = 0.15 [0.02;0.87]; P = .03) of developing peri-implantitis. A predictive model for the development of peri-implantitis was created based on eight patient-related risk factors for partially edentulous patients (sensitivity = 90.2%; specificity = 55.0%) and four risk factors for fully edentulous patients (sensitivity = 100%; specificity = 51.3%).</p><p><strong>Conclusions: </strong>The predictive model can be used for a preoperative risk assessment of partially edentulous patients. Further validation and refinement of the model with additional data could enable its use for fully edentulous patients and will improve its predictive power, thereby increasing its reliability.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"571-578"},"PeriodicalIF":1.7,"publicationDate":"2025-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144287636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}