Journal of Periodontal and Implant Science最新文献

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Comparison of early wound healing using modified papilla preservation technique between enamel matrix derivative and recombinant human fibroblast growth factor. 改良乳头保存技术在牙釉质基质衍生物和重组人成纤维细胞生长因子早期创面愈合中的比较。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-08-01 Epub Date: 2023-11-13 DOI: 10.5051/jpis.2303080154
Yohei Nakayama, Shinichi Tabe, Kazuma Igarashi, Satoshi Moriya, Tsuyoshi Katsumata, Ryo Kobayashi, Shuta Nakagawa, Tomoko Nishino, Namiko Fukuoka, Kota Hosono, Mai Yamasaki, Yosuke Yamazaki, Moe Ogihara-Takeda, Shoichi Ito, Yumi Saito, Arisa Yamaguchi, Yuto Tsuruya, Mizuho Yamazaki-Takai, Shoichi Yoshino, Hideki Takai, Yorimasa Ogata
{"title":"Comparison of early wound healing using modified papilla preservation technique between enamel matrix derivative and recombinant human fibroblast growth factor.","authors":"Yohei Nakayama, Shinichi Tabe, Kazuma Igarashi, Satoshi Moriya, Tsuyoshi Katsumata, Ryo Kobayashi, Shuta Nakagawa, Tomoko Nishino, Namiko Fukuoka, Kota Hosono, Mai Yamasaki, Yosuke Yamazaki, Moe Ogihara-Takeda, Shoichi Ito, Yumi Saito, Arisa Yamaguchi, Yuto Tsuruya, Mizuho Yamazaki-Takai, Shoichi Yoshino, Hideki Takai, Yorimasa Ogata","doi":"10.5051/jpis.2303080154","DOIUrl":"10.5051/jpis.2303080154","url":null,"abstract":"<p><strong>Purpose: </strong>Enamel matrix derivative (EMD) has demonstrated beneficial effects on wound healing following surgery. However, the effects of recombinant human fibroblast growth factor 2 (rhFGF-2) in periodontal regeneration therapy have not been extensively studied. This retrospective study was conducted to compare the wound healing outcomes of the modified papilla preservation technique (mPPT) between EMD and rhFGF-2 therapies.</p><p><strong>Methods: </strong>A total of 79 sites were evaluated for early wound healing using the modified early wound healing index (mEHI), which included 6 items: incision, fibrin clotting, step, redness, swelling, and dehiscence. A numeric analog scale, along with postoperative images of the 6 mEHI items, was established and used for the evaluations. The inter-rater reliability of the mEHI was assessed via intraclass correlation coefficients (ICCs). After adjusting for factors influencing the mPPT, the differences in mEHI scores between the EMD and rhFGF-2 groups were statistically analyzed. Additionally, radiographic bone fill (RBF) was evaluated 6 months after surgery.</p><p><strong>Results: </strong>The ICC of the mEHI was 0.575. The mEHI, redness score, and dehiscence scores were significantly higher in the rhFGF-2 group (n=33) than in the EMD group (n=46). Similar results were observed in the subgroup of patients aged 50 years or older, but not in those younger than 50 years. In the subgroup with non-contained bone defects, related results were noted, but not in the subgroup with contained bone defects. However, early wound healing did not correlate with RBF at 6 months after surgery.</p><p><strong>Conclusions: </strong>Within the limitations of this study, the findings suggest that early wound healing following the use of mPPT with rhFGF-2 is somewhat superior to that observed after mPPT with EMD. However, mEHI should be improved for use as a predictive tool for early wound healing and to reflect clinical outcomes after surgery.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"236-252"},"PeriodicalIF":2.2,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11377897/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138446601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phytotherapy in periodontics as an effective and sustainable supplemental treatment: a narrative review. 植物疗法在牙周病学中作为一种有效且可持续的辅助治疗方法:综述。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-08-01 Epub Date: 2023-12-11 DOI: 10.5051/jpis.2301420071
Abeer Saad Gawish, Mohammed Sherif ElMofty, Safa Jambi, Doaa Felemban, Yassmeen SalahEldin Ragheb, Shadia Abdelhameed Elsayed
{"title":"Phytotherapy in periodontics as an effective and sustainable supplemental treatment: a narrative review.","authors":"Abeer Saad Gawish, Mohammed Sherif ElMofty, Safa Jambi, Doaa Felemban, Yassmeen SalahEldin Ragheb, Shadia Abdelhameed Elsayed","doi":"10.5051/jpis.2301420071","DOIUrl":"10.5051/jpis.2301420071","url":null,"abstract":"<p><strong>Purpose: </strong>Periodontal disease is a chronic condition caused by microbial infection and mediated by the host's immune response. Phytotherapy is a therapeutic approach that utilizes a renewable resource capable of supplying less expensive medicines for the world's growing population. This review aimed to present clinical evidence on the use of complementary medicinal herbs in the treatment of periodontal diseases.</p><p><strong>Methods: </strong>Different databases were searched using the terms \"herbal\" and \"periodontitis.\" All included studies were examined with a focus on herbal indications, type, and prescription length. Dentists' therapeutic and prophylactic herbal prescribing habits were also assessed.</p><p><strong>Results: </strong>Various herbs such as turmeric, neem, aloe-vera, pomegranate, catechu, tulsi, cloves, lemon grass, green tea, tea tree oil, peppermint, garlic, pineapple, oak bark, babul, bakul, sage, coriander, moringa, amla, guava, and grape seed extract have been used in the treatment of periodontitis. These herbs have been reported to exhibit a range of therapeutic effects, including anti-inflammatory, antiplaque, antihalitosis, antiresorptive, antioxidant, antibacterial, antifungal, antiviral, and antimicrobial properties. These components can be utilized in various forms such as mouth rinse, gel, oil, toothpaste, aqueous extract, mouthwash, or tooth powder.</p><p><strong>Conclusions: </strong>Several readily available herbal formulations are now available on the market and have been shown to be effective as supplemental periodontal phytotherapy. However, these should be used under the supervision of a dental professional to ensure optimal benefits and effectiveness. Therefore, it is necessary to improve the understanding of suggested herbal prescription practices among dental professionals.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"209-223"},"PeriodicalIF":2.2,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11377892/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139643198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Is drug use associated with the presence of periodontitis and oral lesions? A meta-analysis. 药物使用是否与牙周炎和口腔病变有关?一个荟萃分析。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-08-01 Epub Date: 2023-11-10 DOI: 10.5051/jpis.2302920146
Michele Natara Portilio, Mayara Colpo Prado, Lilian Rigo
{"title":"Is drug use associated with the presence of periodontitis and oral lesions? A meta-analysis.","authors":"Michele Natara Portilio, Mayara Colpo Prado, Lilian Rigo","doi":"10.5051/jpis.2302920146","DOIUrl":"10.5051/jpis.2302920146","url":null,"abstract":"<p><strong>Purpose: </strong>This systematic review investigated whether drug use is associated with the presence of oral lesions and periodontitis.</p><p><strong>Methods: </strong>A search was performed for studies that analyzed the presence of periodontitis and/or oral lesions in users of crack, cocaine, and/or marijuana in the PubMed, Scopus, and Web of Science databases. Observational studies in English, Spanish, or Portuguese, without limitation of year, age, and sex, were included. Studies that did not evaluate periodontitis and oral lesions according to the eligibility criteria were excluded. Two authors independently performed study selection and data extraction using a standardized form. The risk of bias of studies included in the meta-analysis was assessed using the Joanna Briggs Institute Critical Appraisal Checklist. The meta-analysis included studies that investigated the association of drug use with the outcome.</p><p><strong>Results: </strong>The initial search resulted in 9,279 articles, from which 16 studies with 15,434 participants were included in the review and 8 studies were included in the meta-analysis. Most studies that evaluated periodontitis in drug users and non-users found a positive association in users. Most studies that analyzed oral lesions reported a higher prevalence, association, or risk of oral lesions in drug users than in non-users. A critical evaluation identified a need to improve the control and reporting of confounding factors in studies on this topic. An association was found between periodontitis and the use of crack, cocaine, and/or marijuana (odds ratio [OR], 1.84; 95% confidence interval [CI], 1.04-3.27; <i>P</i>=0.04) and between oral lesions and the use of these drugs (OR, 2.13; 95% CI, 1.58-2.86; <i>P</i><0.001).</p><p><strong>Conclusions: </strong>Drug users are more likely to develop oral lesions and periodontitis than non-users. However, the results should be interpreted with caution, considering the heterogeneity and quality of the studies included in the analysis.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"224-235"},"PeriodicalIF":2.2,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11377893/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138446661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Current advances in artificial intelligence in radiographic interpretation and reporting. 人工智能在放射影像判读和报告方面的最新进展。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-08-01 DOI: 10.5051/jpis.245404edi01
Hak-Sun Kim, Gyu-Tae Kim
{"title":"Current advances in artificial intelligence in radiographic interpretation and reporting.","authors":"Hak-Sun Kim, Gyu-Tae Kim","doi":"10.5051/jpis.245404edi01","DOIUrl":"10.5051/jpis.245404edi01","url":null,"abstract":"","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"54 4","pages":"207-208"},"PeriodicalIF":2.2,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11377896/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142127078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of anti-resorptive therapy on implant failure: a systematic review and meta-analysis. 抗骨质吸收疗法对植入失败的影响:系统回顾和荟萃分析。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-07-10 DOI: 10.5051/jpis.2304040202
Junho Jung, Gyu-Jo Shim, Jung Soo Park, Yong-Dae Kwon, Jae-In Ryu
{"title":"Effect of anti-resorptive therapy on implant failure: a systematic review and meta-analysis.","authors":"Junho Jung, Gyu-Jo Shim, Jung Soo Park, Yong-Dae Kwon, Jae-In Ryu","doi":"10.5051/jpis.2304040202","DOIUrl":"https://doi.org/10.5051/jpis.2304040202","url":null,"abstract":"<p><strong>Purpose: </strong>This review was conducted to systematically assess the impact of bisphosphonates (BPs) and denosumab, used as anti-resorptive therapies, on the incidence of dental implant failure.</p><p><strong>Methods: </strong>Electronic and manual searches were performed in accordance with the described search protocol. Only articles that met the inclusion criteria were selected. The primary outcome was implant failure, while secondary outcomes included biological complications and comorbidities. Following data extraction, a quality assessment and meta-analysis were conducted.</p><p><strong>Results: </strong>Fourteen eligible studies were included in the analysis following a qualitative evaluation. BP administration, regardless of the timing of anti-resorptive therapy, did not significantly increase the risk of implant failure (odds ratio [OR], 1.40; 95% confidence interval, 0.83-2.34). Subgroup analysis revealed a slightly higher, although statistically insignificant, risk of failure in patients with a follow-up period of 3 years or more compared to those with a follow-up duration of less than 3 years (with ORs of 2.82 and 1.53, respectively). Due to a lack of eligible studies, a meta-analysis for denosumab could not be conducted.</p><p><strong>Conclusions: </strong>Our findings suggest that BP treatment does not compromise the survival of dental implants. Specifically, in patients with osteoporosis, implant failure rates were not significantly influenced by the administration of BPs before the placement of dental implants, suggesting that low-dose BP therapy may not contraindicate implant placement. Nevertheless, regular check-ups and maintenance periodontal treatment must not be neglected, and concomitant biological factors should be considered to ensure the long-term success of implant rehabilitation.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A large animal model of periodontal defects in bisphosphonate-related osteonecrosis of the jaw: a comparison of clinical and radiological findings. 双膦酸盐相关颌骨骨坏死牙周缺损的大型动物模型:临床和放射学发现的比较。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-06-01 Epub Date: 2023-07-07 DOI: 10.5051/jpis.2204860243
Marius Otto, Andreas Neff, Thomas Ziebart, Frank Halling
{"title":"A large animal model of periodontal defects in bisphosphonate-related osteonecrosis of the jaw: a comparison of clinical and radiological findings.","authors":"Marius Otto, Andreas Neff, Thomas Ziebart, Frank Halling","doi":"10.5051/jpis.2204860243","DOIUrl":"10.5051/jpis.2204860243","url":null,"abstract":"<p><strong>Purpose: </strong>The objective of this study was to demonstrate the suitability of cone-beam computed tomography (CBCT) for <i>in vivo</i> research in periodontology, with implications for oral implantology, facial traumatology, and all disciplines involved in treating patients with bisphosphonate-related osteonecrosis of the jaw (BRONJ).</p><p><strong>Methods: </strong>Halves of the jaws of 9 Swiss mountain sheep, assigned to a control group (n=3), an osteoporosis group (n=3) and a zoledronate-exposed group (n=3), were examined. Clinical and radiological evaluations were conducted using CBCT imaging to assess whether periodontitis and bone defects were observed to a significant extent after surgical tooth extraction.</p><p><strong>Results: </strong>In contrast to the control and osteoporosis groups, the zoledronate group exhibited significant residual bone defects following tooth extraction (<i>P</i><0.05). CBCT more objectively revealed these effects and enabled a numerical evaluation (in mm<sup>3</sup>).</p><p><strong>Conclusions: </strong>Evaluating residual defects in bone blocks from sheep using CBCT analysis was found to be as effective as a clinical examination conducted by specialists in oral and maxillofacial surgery. The strong correlation between radiological findings and clinical conditions suggests that CBCT may become increasingly important in the future, particularly in periodontological research related to BRONJ.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"139-148"},"PeriodicalIF":2.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11227933/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10535712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Host modulation therapy for improving the osseointegration of dental implants under bone healing-suppressed conditions: a preclinical rodent-model experiment. 宿主调节疗法在骨愈合抑制条件下改善牙种植体的骨整合:一项临床前啮齿动物模型实验。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-06-01 Epub Date: 2023-10-11 DOI: 10.5051/jpis.2301800090
Young Woo Song, Jin-Young Park, Yoon-Hee Kwon, Wooyoung Eric Jang, Sung-Jin Kim, Jeong Taeg Seo, Seok Jun Moon, Ui-Won Jung
{"title":"Host modulation therapy for improving the osseointegration of dental implants under bone healing-suppressed conditions: a preclinical rodent-model experiment.","authors":"Young Woo Song, Jin-Young Park, Yoon-Hee Kwon, Wooyoung Eric Jang, Sung-Jin Kim, Jeong Taeg Seo, Seok Jun Moon, Ui-Won Jung","doi":"10.5051/jpis.2301800090","DOIUrl":"10.5051/jpis.2301800090","url":null,"abstract":"<p><strong>Purpose: </strong>Placing dental implants in areas with low bone density or in conditions where bone healing is suppressed is challenging for clinicians. An experiment using a rodent model was performed with the aim of determining the efficacy of host modulation by increasing the systemic level of cholesterol sulfate (CS) using Irosustat in the context of the bone healing process around dental implants.</p><p><strong>Methods: </strong>In 16 ovariectomised female Sprague-Dawley rats, 2 implant fixtures were placed in the tibial bones (1 fixture on each side). At 1 week after surgery, the high-CS group (n=8) received Irosustat-mixed feed, while the control group (n=8) was fed conventionally. Block specimens were obtained at 5 weeks post-surgery for histologic analysis and the data were evaluated statistically (<i>P</i><0.05).</p><p><strong>Results: </strong>Unlike the high-CS group, half of the specimens in the control group demonstrated severe bone resorption along with a periosteal reaction in the cortex. The mean percentages of bone-to-implant contact (21.5%) and bone density (28.1%) near the implant surface were significantly higher in the high-CS group than in the control group (<i>P</i><0.05), as was the number of Haversian canals (by 5.3).</p><p><strong>Conclusions: </strong>Host modulation by increasing the CS level may enhance the osseointegration of dental implants placed under conditions of impaired bone healing.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"177-188"},"PeriodicalIF":2.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11227931/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49683926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Risk indicators associated with peri-implant diseases: a retrospective cross-sectional study of Colombian patients with 1 to 18 years of follow-up. 与种植体周围疾病相关的风险指标:一项对哥伦比亚患者进行的 1 至 18 年随访的回顾性横断面研究。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-06-01 Epub Date: 2023-07-19 DOI: 10.5051/jpis.2300140007
Ana María Ortiz-Echeverri, Carolina Gallego-González, María Catalina Castaño-Granada, Sergio Iván Tobón-Arroyave
{"title":"Risk indicators associated with peri-implant diseases: a retrospective cross-sectional study of Colombian patients with 1 to 18 years of follow-up.","authors":"Ana María Ortiz-Echeverri, Carolina Gallego-González, María Catalina Castaño-Granada, Sergio Iván Tobón-Arroyave","doi":"10.5051/jpis.2300140007","DOIUrl":"10.5051/jpis.2300140007","url":null,"abstract":"<p><strong>Purpose: </strong>Peri-implant mucositis (PIM) and peri-implantitis (PI) are multicausal conditions with several risk factors contributing to their pathogenesis. In this study, we retrospectively investigated risk variables potentially associated with these peri-implant diseases (PIDs) over a follow-up period of 1 to 18 years.</p><p><strong>Methods: </strong>The study sample consisted of 379 implants placed in 155 patients. Single-visit clinical and radiographic evaluations were employed to determine the presence or absence of PIDs. Parameters related to the patient, site, surgery, implant, and prosthetic restoration were documented. The relationships between risk variables and the occurrence of PIDs were individually examined and adjusted for confounders using multivariate binary logistic regression models.</p><p><strong>Results: </strong>The prevalence rates of PIM and PI were 28.4% and 36.8% at the patient level and 33.5% and 24.5% at the implant level, respectively. Poor oral hygiene, active gingivitis/periodontitis, preoperative alveolar ridge deficiency, early or delayed implant placement, implant length of 11.0 mm or less, and poor restoration quality were strong and independent risk indicators for both PIDs. Furthermore, a follow-up period of more than 5 years and a loading time of more than 4 years were important indicators for PI. Simultaneously, age and smoking status acted as modifiers of the effect of mesiodistal (MD) and buccolingual (BL) widths of restoration on PI.</p><p><strong>Conclusions: </strong>In this study population, oral hygiene, periodontal status, preoperative alveolar ridge status, implant placement protocol, implant length, and the quality of coronal restoration appear to be robust risk indicators for both PIM and PI. Additionally, the length of follow-up and functional loading time are robust indicators of PI. Furthermore, the potential modifying relationships of age and smoking status with the MD and BL widths of restoration may be crucial for the development of PI.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"161-176"},"PeriodicalIF":2.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11227929/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10535718","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Novel approach to assessing the primary stability of dental implants under functional cyclic loading in vitro: a biomechanical pilot study using synthetic bone. 评估体外功能循环载荷下牙科植入物主要稳定性的新方法:使用合成骨的生物力学初步研究。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-06-01 Epub Date: 2023-09-07 DOI: 10.5051/jpis.2301780089
Jean-Pierre Fischer, Stefan Schleifenbaum, Felicitas Gelberg, Thomas Barth, Toni Wendler, Sabine Löffler
{"title":"Novel approach to assessing the primary stability of dental implants under functional cyclic loading <i>in vitro</i>: a biomechanical pilot study using synthetic bone.","authors":"Jean-Pierre Fischer, Stefan Schleifenbaum, Felicitas Gelberg, Thomas Barth, Toni Wendler, Sabine Löffler","doi":"10.5051/jpis.2301780089","DOIUrl":"10.5051/jpis.2301780089","url":null,"abstract":"<p><strong>Purpose: </strong>This pilot study was conducted to develop a novel test setup for the <i>in vitro</i> assessment of the primary stability of dental implants. This was achieved by characterising their long-term behaviour based on the continuous recording of micromotions resulting from dynamic and cyclic loading.</p><p><strong>Methods: </strong>Twenty screw implants, each 11 mm in length and either 3.8 mm (for premolars) or 4.3 mm (for molars) in diameter, were inserted into the posterior region of 5 synthetic mandibular models. Physiological masticatory loads were simulated by superimposing cyclic buccal-lingual movement of the mandible with a vertically applied masticatory force. Using an optical 3-dimensional (3D) measuring system, the micromotions of the dental crowns relative to the alveolar bone resulting from alternating off-centre loads were concurrently determined over 10,000 test cycles.</p><p><strong>Results: </strong>The buccal-lingual deflections of the dental crowns significantly increased from cycle 10 to cycle 10,000 (<i>P</i><0.05). The deflections increased sharply during the first 500 cycles before approaching a plateau. Premolars exhibited greater maximum deflections than molars. The bone regions located mesially and distally adjacent to the loaded implants demonstrated deflections that occurred synchronously and in the same direction as the applied loads. The overall spatial movement of the implants over time followed an hourglass-shaped loosening pattern with a characteristic pivot point 5.5±1.1 mm from the apical end.</p><p><strong>Conclusions: </strong>In synthetic mandibular models, the cyclic reciprocal loading of dental implants with an average masticatory force produces significant loosening. The evasive movements observed in the alveolar bone suggest that its anatomy and yielding could significantly influence the force distribution and, consequently, the mechanical behaviour of dental implants. The 3D visualisation of the overall implant movement under functional cyclic loading complements known methods and can contribute to the development of implant designs and surgical techniques by providing a more profound understanding of dynamic bone-implant interactions.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"189-204"},"PeriodicalIF":2.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11227935/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49683927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparing the clinical effects of local administration of minocycline ointment and doxycycline solution in the treatment of acute periodontal abscesses: a retrospective clinical study. 比较局部应用米诺环素软膏和多西环素溶液治疗急性牙周脓肿的临床效果:一项回顾性临床研究。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-06-01 Epub Date: 2023-09-11 DOI: 10.5051/jpis.2300800040
DongYeol Jung, Jae-Kook Cha, Young-Taek Kim, Chang-Sung Kim
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