Journal of Periodontal and Implant Science最新文献

筛选
英文 中文
Highly accurate measurement of the relative abundance of oral pathogenic bacteria using colony-forming unit-based qPCR. 利用基于菌落形成单位的 qPCR 高精度测量口腔致病菌的相对丰度。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-07-09 DOI: 10.5051/jpis.2304520226
Jiyoung Hwang, Jeong-Hoo Lee, Yeon-Jin Kim, Inseong Hwang, Young-Youn Kim, Hye-Sung Kim, Do-Young Park
{"title":"Highly accurate measurement of the relative abundance of oral pathogenic bacteria using colony-forming unit-based qPCR.","authors":"Jiyoung Hwang, Jeong-Hoo Lee, Yeon-Jin Kim, Inseong Hwang, Young-Youn Kim, Hye-Sung Kim, Do-Young Park","doi":"10.5051/jpis.2304520226","DOIUrl":"https://doi.org/10.5051/jpis.2304520226","url":null,"abstract":"<p><strong>Purpose: </strong>Quantitative polymerase chain reaction (qPCR) has recently been employed to measure the number of bacterial cells by quantifying their DNA fragments. However, this method can yield inaccurate bacterial cell counts because the number of DNA fragments varies among different bacterial species. To resolve this issue, we developed a novel optimized qPCR method to quantify bacterial colony-forming units (CFUs), thereby ensuring a highly accurate count of bacterial cells.</p><p><strong>Methods: </strong>To establish a new qPCR method for quantifying 6 oral bacteria namely, <i>Porphyromonas gingivalis</i>, <i>Treponema denticola</i>, <i>Tannerella forsythia</i>, <i>Prevotella intermedia</i>, <i>Fusobacterium nucleatum</i>, and <i>Streptococcus mutans</i>, the most appropriate primer-probe sets were selected based on sensitivity and specificity. To optimize the qPCR for predicting bacterial CFUs, standard curves were produced by plotting bacterial CFU against Ct values. To validate the accuracy of the predicted CFU values, a spiking study was conducted to calculate the recovery rates of the predicted CFUs to the true CFUs. To evaluate the reliability of the predicted CFU values, the consistency between the optimized qPCR method and shotgun metagenome sequencing (SMS) was assessed by comparing the relative abundance of the bacterial composition.</p><p><strong>Results: </strong>For each bacterium, the selected primer-probe set amplified serial-diluted standard templates indicative of bacterial CFUs. The resultant Ct values and the corresponding bacterial CFU values were used to construct a standard curve, the linearity of which was determined by a coefficient of determination (<i>r</i>²) >0.99. The accuracy of the predicted CFU values was validated by recovery rates ranging from 95.1% to 106.8%. The reliability of the predicted CFUs was reflected by the consistency between the optimized qPCR and SMS, as demonstrated by a Spearman rank correlation coefficient (<i>ρ</i>) value of 1 for all 6 bacteria.</p><p><strong>Conclusions: </strong>The CFU-based qPCR quantification method provides highly accurate and reliable quantitation of oral pathogenic bacteria.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761925","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
Comparison of the biocompatibility and osteogenesis potential of whitlockite and an activin A/BMP2 chimera using a rat calvarial defect model: a pilot study. 利用大鼠腓骨缺损模型比较白锁石和活化素 A/BMP2 嵌合体的生物相容性和成骨潜力:一项试验研究。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-06-21 DOI: 10.5051/jpis.2304280214
Jung-Tae Lee, Sungtae Kim
{"title":"Comparison of the biocompatibility and osteogenesis potential of whitlockite and an activin A/BMP2 chimera using a rat calvarial defect model: a pilot study.","authors":"Jung-Tae Lee, Sungtae Kim","doi":"10.5051/jpis.2304280214","DOIUrl":"https://doi.org/10.5051/jpis.2304280214","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to evaluate bone regeneration using whitlockite (WH) nanoparticles, collagenated bovine bone mineral, and an activin A/BMP2 chimera (AB204) on calvarial defects in rats.</p><p><strong>Methods: </strong>This study was conducted using 8 rats. Five-millimeter circular defects were formed on each side of the calvaria. The defects were randomly assigned to 3 groups (BO group: BioOss collagen, BO/WH group: BO + WH, and BO/WH/AB204 group: BO + WH + AB204). After healing periods of 2 and 4 weeks, histological and histomorphometric analyses were performed after sacrifice.</p><p><strong>Results: </strong>The BO/WH/AB204 group showed superior bone healing compared to the other 2 groups (BO and BO/WH). In the BO and BO/WH groups, new bone formation was found in the defect margin. However, in the BO/WH/AB204 group, new bone was observed on the upper and lower surfaces of the grafted area. The new bone area of the BO/WH/AB204 group at 4 weeks was significantly higher than that of the same group at 2 weeks. At 4 weeks, the total augmented area and material area in the BO/WH/AB204 group were significantly lower than the corresponding values at 2 weeks.</p><p><strong>Conclusions: </strong>The BO/WH/AB204 group showed superior results of bone regeneration at 2 and 4 weeks compared to the BO and BO/WH groups. AB204 seems to play an important role in bone regeneration.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142510970","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
Facial, dental, periodontal, and tomographic characteristics of the etiology of excessive gingival display: a cross-sectional clinical study. 牙龈过度显示病因的面部、牙齿、牙周和断层特征:一项横断面临床研究。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-06-18 DOI: 10.5051/jpis.2302300115
Luciana Tanaka de Castro, Maria Carolina Candosin Sementille, Mariana Schutzer Ragghianti Zangrando, Sebastião Luiz Aguiar Greghi, Carla Andreotti Damante, Eduardo Sant'Ana, Adriana Campos Passanezi Sant'Ana
{"title":"Facial, dental, periodontal, and tomographic characteristics of the etiology of excessive gingival display: a cross-sectional clinical study.","authors":"Luciana Tanaka de Castro, Maria Carolina Candosin Sementille, Mariana Schutzer Ragghianti Zangrando, Sebastião Luiz Aguiar Greghi, Carla Andreotti Damante, Eduardo Sant'Ana, Adriana Campos Passanezi Sant'Ana","doi":"10.5051/jpis.2302300115","DOIUrl":"https://doi.org/10.5051/jpis.2302300115","url":null,"abstract":"<p><strong>Purpose: </strong>In this study, we examined the facial, dental, periodontal, and tomographic features associated with excessive gingival display (EGD) when smiling in young adults self-reporting a \"gummy smile,\" categorized by potential etiology.</p><p><strong>Methods: </strong>The study included 25 healthy adults (18-42 years old; 23 women and 2 men) who self-reported EGD. Participants completed a health questionnaire and underwent a periodontal examination assessing probing depth, clinical attachment level, keratinized gingival width, and gingival thickness (GT). Extraoral and intraoral photographs were taken for smile analysis and to determine facial and dental characteristics. Cone-beam computed tomography (CBCT), performed with a lip retractor in place, was used to measure the distance from the gingival margin (GM) to the cementoenamel junction (CEJ), the distance from the CEJ to the alveolar crest, buccal bone thickness, and GT. The extent of EGD when smiling was quantified as the distance from the GM at the upper central incisor to the upper lip edge when smiling fully. The smile was categorized into 4 types based on gingival exposure characteristics observed during full smile.</p><p><strong>Results: </strong>Most participants were female (92%), with a mean age of 28.77±6.56 years. The average EGD was 4.2±2.44 mm, extending bilaterally from the anterior to the posterior maxilla. Two primary etiological factors were identified, alone or in combination: vertical maxillary excess (VME), predominantly indicated by an anterior maxillary height greater than 29 mm and a large interlabial gap; and altered passive/active eruption (APE), primarily characterized by square teeth (64%), upper central incisor width-to-height ratio (CIW:CIH) exceeding 87.5%, and GM-CEJ distance on CBCT exceeding 2 mm.</p><p><strong>Conclusions: </strong>These findings suggest a multifactorial etiology of EGD, primarily associated with VME and APE. Clinical periodontal examination, CBCT conducted with a lip retractor, CIW:CIH, and soft tissue facial cephalometric analysis may aid in identifying the etiological factors of EGD.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761924","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
Saliva assay: a call for methodological standardization. 唾液检测:呼吁方法标准化。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-06-18 DOI: 10.5051/jpis.2304180209
Hyeong-Jin Baek, Keun-Suh Kim, MinJeong Kwoen, Eun-Sun Park, Hyo-Jung Lee, Kyoung-Un Park
{"title":"Saliva assay: a call for methodological standardization.","authors":"Hyeong-Jin Baek, Keun-Suh Kim, MinJeong Kwoen, Eun-Sun Park, Hyo-Jung Lee, Kyoung-Un Park","doi":"10.5051/jpis.2304180209","DOIUrl":"https://doi.org/10.5051/jpis.2304180209","url":null,"abstract":"<p><p>The oral cavity provides an ideal environment for microorganisms, including bacteria, viruses, and fungi, to flourish. Increasing attention has been focused on the connection between the oral microbiome and both oral and systemic diseases, spurring active research into the collection and analysis of specimens for healthcare purposes. Among the various methods for analyzing the oral microbiome, saliva analysis is especially prominent. Saliva samples, which can be collected non-invasively, provide information on the systemic health and oral microbiome composition of an individual. This review was performed to evaluate the current state of the relevant research through an examination of the literature and to suggest an appropriate assay method for investigating the oral microbiome. We analyzed articles published in English in SCI(E) journals after January 1, 2000, ultimately selecting 53 articles for review. Articles were identified through keyword searches in the PubMed, Embase, Cochrane, Web of Science, and CINAHL databases. Three experienced researchers conducted full-text assessments following title and abstract screening to select appropriate papers. Subsequently, they organized and analyzed the desired data. Our review revealed that most studies utilized unstimulated saliva samples for oral microbiome analysis. Of the 53 studies examined, 29 identified relationships between the oral microbiome and various diseases, such as oral disease, Behçet disease, cancer, and oral lichen planus. However, the studies employed diverse methods of collection and analysis, which compromised the reliability and accuracy of the findings. To address the limitations caused by methodological inconsistencies, a standardized saliva assay should be established.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141761926","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
{"title":"Comparing the clinical effects of local administration of minocycline ointment and doxycycline solution in the treatment of acute periodontal abscesses: a retrospective clinical study.","authors":"DongYeol Jung, Jae-Kook Cha, Young-Taek Kim, Chang-Sung Kim","doi":"10.5051/jpis.2300800040","DOIUrl":"10.5051/jpis.2300800040","url":null,"abstract":"<p><strong>Purpose: </strong>The objective of this retrospective clinical study was to provide evidence supporting the adjunctive local application of doxycycline solution or minocycline ointment, in conjunction with drainage, for the treatment of acute periodontal abscesses.</p><p><strong>Methods: </strong>The study included 63 patients who had received treatment for acute periodontal abscesses through drainage supplemented with 1 of 3 types of adjunctive medications during their initial visit (visit 1; baseline): 1) saline irrigation (the control group), 2) 2% minocycline ointment (the TM group), or 3) 300 mg/mL doxycycline irrigation (the TD group). The same adjunctive medication was administered at visit 2, which took place 1 week after visit 1. Probing depth (PD), bleeding on probing (BOP), plaque index, gingival recession, clinical attachment level, and tooth mobility were clinically evaluated at visits 1, 2, and a third visit (visit 3; 4 weeks after visit 1). Statistical significance was considered to be indicated by <i>P</i> values <0.05.</p><p><strong>Results: </strong>By visit 3, all clinical indices and tooth mobility had significantly decreased in each group. At this visit, PD and BOP on the abscess side were significantly lower in the TM and TD groups compared to the control group. The TD group showed a significantly greater improvement than the TM group, with mean PD reductions of 1.09 mm in the control group, 1.88 mm in the TM group, and 2.88 mm in the TD group. Similarly, mean BOP reductions were 45% in the control group, 73.02% in the TM group, and 95.45% in the TD group.</p><p><strong>Conclusions: </strong>Local and adjunctive administration of doxycycline and minocycline in combination with drainage exhibited clinical advantages over drainage alone in improving PD and BOP. Notably, a doxycycline solution of 300 mg/mL was more effective than a 2% minocycline ointment.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"149-160"},"PeriodicalIF":2.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11227934/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49683925","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
Erratum: Text Correction. Evaluation of the clinical and radiographic effectiveness of treating peri-implant bone defects with a new biphasic calcium phosphate bone graft: a prospective, multicenter randomized controlled trial. 勘误:文字更正。使用新型双相磷酸钙骨移植治疗种植体周围骨缺损的临床和放射学效果评估:一项前瞻性多中心随机对照试验。
IF 2.2 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-06-01 DOI: 10.5051/jpis.2423032err01
Jae-Hong Lee, Hyun-Wook An, Jae-Seung Im, Woo-Joo Kim, Dong-Won Lee, Jeong-Ho Yun
{"title":"Erratum: Text Correction. Evaluation of the clinical and radiographic effectiveness of treating peri-implant bone defects with a new biphasic calcium phosphate bone graft: a prospective, multicenter randomized controlled trial.","authors":"Jae-Hong Lee, Hyun-Wook An, Jae-Seung Im, Woo-Joo Kim, Dong-Won Lee, Jeong-Ho Yun","doi":"10.5051/jpis.2423032err01","DOIUrl":"10.5051/jpis.2423032err01","url":null,"abstract":"<p><p>This corrects the article on p. 306 in vol. 53, PMID: 37524378.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"54 3","pages":"205"},"PeriodicalIF":2.2,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11227932/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141499357","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
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信