Ji-Young Joo, Hae Ryoun Park, Youngseuk Cho, Yunhwan Noh, Chang Hun Lee, Seung-Geun Lee
{"title":"Increased prevalence of periodontitis with hypouricemic status: findings from the Korean National Health and Nutrition Examination Survey, 2016-2018.","authors":"Ji-Young Joo, Hae Ryoun Park, Youngseuk Cho, Yunhwan Noh, Chang Hun Lee, Seung-Geun Lee","doi":"10.5051/jpis.2202220111","DOIUrl":"https://doi.org/10.5051/jpis.2202220111","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to investigate the relationship between serum uric acid (SUA) levels and the risk of periodontitis in Korean adults using data from the Korean National Health and Nutrition Examination Survey (KNHANES).</p><p><strong>Methods: </strong>This cross-sectional study used data from the KNHANES 2016-2018 and analysed 12,735 Korean adults aged ≥19 years who underwent oral examinations. Hypouricemia was defined as SUA <3 mg/dL in men and <2 mg/dL in women, and hyperuricemia was defined as SUA ≥7 mg/dL in men and ≥6 mg/dL in women.</p><p><strong>Results: </strong>The weighted prevalence of hypouricemia and hyperuricemia was 0.6% and 12.9%, respectively. The overall weighted periodontitis rate was 30.5%. The frequency of periodontitis in subjects with hypouricemia, normouricemia, and hyperuricemia were 51.1%, 30.3%, and 30.6%, respectively. Study participants with hypouricemia were significantly older, had significantly fasting blood glucose levels, and had better kidney function than non-hypouricemic participants. In univariate logistic regression analyses, hypouricemia was associated with periodontitis, but hyperuricemia was not. The fully adjusted model revealed that the adjusted odds ratio of hypouricemia for periodontitis was 1.62 (95% confidence interval, 1.13-2.33), while the relationship between hyperuricemia and periodontitis in the multivariable logistic regression model was not significant.</p><p><strong>Conclusions: </strong>The results of this study suggest that hypouricemia is associated with an increased risk of periodontitis.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"53 4","pages":"283-294"},"PeriodicalIF":1.9,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/ec/64/jpis-53-283.PMC10465814.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10126687","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}
{"title":"The optimal dosage of hyaluronic acid for bone regeneration in rat calvarial defects.","authors":"Ling Li, Jungwon Lee, Young-Dan Cho, Sungtae Kim, Yang-Jo Seol, Yong-Moo Lee, Ki-Tae Koo","doi":"10.5051/jpis.2203000150","DOIUrl":"https://doi.org/10.5051/jpis.2203000150","url":null,"abstract":"<p><strong>Purpose: </strong>Hyaluronic acid (HA) affects angiogenesis and promotes the migration and differentiation of mesenchymal cells, thereby activating the osteogenic ability of osteoblasts. Although studies on the action of HA during bone regeneration are being actively conducted, the optimal dose of HA required for bone regeneration remains unclear. Therefore, the purpose of this study was to elucidate the most effective HA dose for bone formation using a rat critical-size defect model.</p><p><strong>Methods: </strong>Thirty rats were randomly divided into 5 groups, with 6 rats in each group. An absorbable collagen sponge soaked with HA or saline was used to fill an 8-mm defect, which was then covered with a collagen membrane. Different treatments were performed for each group as follows: (1) saline control, (2) 1 mg/mL HA, (3) 25 mg/mL HA, (4) 50 mg/mL HA, or (5) 75 mg/mL HA. After a healing period of 4 weeks, micro-computed tomography and histological analysis were performed. The obtained values were analyzed using analysis of variance and the Tukey test (<i>P</i><0.05).</p><p><strong>Results: </strong>At week 4, the 75 mg/mL HA group had the highest bone volume/total volume ratio, new bone, and bone fill among the 5 groups, and these values were significantly different from those observed in the control group (<i>P</i><0.01) and 1 mg/mL HA group (<i>P</i><0.001). More active bone formation was observed in the higher-dose HA groups (25 mg/mL, 50 mg/mL, and 75 mg/mL HA), which included a large amount of woven bone.</p><p><strong>Conclusions: </strong>The 75 mg/mL HA group showed better bone formation than the other groups (1, 25, and 50 mg/mL HA and control).</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"53 4","pages":"259-268"},"PeriodicalIF":1.9,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/a1/52/jpis-53-259.PMC10465808.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10120956","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}
Jeong-Woong Kim, Bo-Ah Lee, Yu-Seon Park, Jinho Chung, Seong-Ho Choi, Young-Taek Kim
{"title":"Efficacy of active noise-canceling headphones in patients undergoing ultrasonic scaling.","authors":"Jeong-Woong Kim, Bo-Ah Lee, Yu-Seon Park, Jinho Chung, Seong-Ho Choi, Young-Taek Kim","doi":"10.5051/jpis.2202200110","DOIUrl":"https://doi.org/10.5051/jpis.2202200110","url":null,"abstract":"<p><strong>Purpose: </strong>Dental fear hinders patients from receiving appropriate dental treatment. In particular, the noise generated by high-speed air turbines and ultrasonic scalers can adversely affect patients. Many efforts have been made to reduce the discomfort caused by noise, but no methods are definitively recommended. The purpose of this study was to determine the efficacy of active noise-canceling (ANC) headphones in reducing the pain and discomfort associated with dental scaling.</p><p><strong>Methods: </strong>Fifty-five patients requiring scaling and root planing, aged ≥19 years and showing no auditory problems, were included. Scaling was performed for the bilateral maxillary molars and premolars while patients wore headphones, with ANC turned either on or off. The degree of noise and pain reduction in the on and off conditions were surveyed using a visual analog scale (VAS). The Wilcoxon signed-rank test was performed to compare noise- and pain-related discomfort with ANC turned on and off.</p><p><strong>Results: </strong>The sample included 28 men and 27 women with a mean age of 45.45±13.12 years. The average noise-related discomfort score was 3.84±2.12 and 2.95±1.99 when noise-canceling was turned off and on, respectively, with a statistically significant difference (<i>P</i><0.05). Similarly, the average pain-related discomfort score was 3.78±2.00 and 3.09±1.96 when noise-canceling was turned off and on, respectively, which was a statistically significant difference (<i>P</i><0.05).</p><p><strong>Conclusions: </strong>The use of ANC headphones seems to reduce the discomfort caused by noise and pain in patients undergoing scaling.</p><p><strong>Trial registration: </strong>Clinical Research Information Service Identifier: KCT0007093.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"53 4","pages":"269-282"},"PeriodicalIF":1.9,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/6d/8f/jpis-53-269.PMC10465812.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10120955","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}
Ilze Indriksone, Pauls Vitols, Viktors Avkstols, Linards Grieznis, Kaspars Stamers, Susy Linder, Michel Dard
{"title":"Quality of life, patient preferences, and implant survival and success of tapered implant-retained mandibular overdentures as a function of the attachment system.","authors":"Ilze Indriksone, Pauls Vitols, Viktors Avkstols, Linards Grieznis, Kaspars Stamers, Susy Linder, Michel Dard","doi":"10.5051/jpis.2105840292","DOIUrl":"https://doi.org/10.5051/jpis.2105840292","url":null,"abstract":"<p><strong>Purpose: </strong>A novel attachment system for implant-retained overdentures (IRODs) with novel material combinations for improved mechanical resilience and prosthodontic success (Novaloc) has been recently introduced as an alternative to an existing system (Locator). This study investigated whether differences between the Novaloc and Locator attachment systems translate into differences in implant survival, implant success, and patient-centered outcomes when applied in a real-world in-practice comparative setting in patients restored with mandibular IRODs supported by 2 interforaminal implants (2-IRODs).</p><p><strong>Methods: </strong>This prospective, intra-subject crossover comparison compared 20 patients who received 2 intra-foraminal bone level tapered implants restored with full acrylic overdentures using either the Locator or Novaloc attachment system. After 6 months of function, the attachment in the corresponding dentures was switched, and the definitive attachment system type was delivered based on the patient's preference after 12 months. For the definitive attachment system, implant survival was evaluated after 24 months. The primary outcomes of this study were oral health-related quality of life and patient preferences related to prosthetic and implant survival. Secondary outcomes included implant survival rate and success, prosthetic survival, perceived general health, and patient satisfaction.</p><p><strong>Results: </strong>Patient-centered outcomes and patient preferences between attachment systems were comparable, with relatively high overall patient satisfaction levels for both attachment systems. No difference in the prosthetic survival rate between study groups was detected. The implant survival rate over the follow-up period after 24 months in both groups was 100%.</p><p><strong>Conclusions: </strong>The results of this in-practice comparison indicate that both attachment systems represent comparable candidates for the prosthodontic retention of 2-IRODs. Both systems showed high rates of patient satisfaction and implant survival. The influence of material combinations of the retentive system on treatment outcomes between the tested systems remains inconclusive and requires further investigations.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"53 3","pages":"194-206"},"PeriodicalIF":1.9,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/dc/00/jpis-53-194.PMC10315256.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9803748","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}
{"title":"Dental education now and in the future.","authors":"Jae Il Lee","doi":"10.5051/jpis.235303edi01","DOIUrl":"https://doi.org/10.5051/jpis.235303edi01","url":null,"abstract":"Dentistry has consistently maintained a strong connection with technological advancements. Dental education has incorporated technology to enrich both teaching and learning experiences. This involves training students on the effective use of virtual reality simulations, digital imaging, 3D printing, and digital tools like intraoral scanners. These technologies offer students more interactive and immersive learning opportunities. Integrating these tools into the curriculum enhances diagnostic capabilities, treatment planning, and patient management.","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"53 3","pages":"171-172"},"PeriodicalIF":1.9,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/11/a2/jpis-53-171.PMC10315257.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9741776","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}
MinKee Son, Yuri Song, Yeuni Yu, Si Yeong Kim, Jung-Bo Huh, Eun-Bin Bae, Won-Tak Cho, Hee Sam Na, Jin Chung
{"title":"The oral microbiome of implant-abutment screw holes compared with the peri-implant sulcus and natural supragingival plaque in healthy individuals.","authors":"MinKee Son, Yuri Song, Yeuni Yu, Si Yeong Kim, Jung-Bo Huh, Eun-Bin Bae, Won-Tak Cho, Hee Sam Na, Jin Chung","doi":"10.5051/jpis.2300100005","DOIUrl":"https://doi.org/10.5051/jpis.2300100005","url":null,"abstract":"<p><strong>Purpose: </strong>An implant-supported prosthesis consists of an implant fixture, an abutment, an internal screw that connects the abutment to the implant fixture, and the upper prosthesis. Numerous studies have investigated the microorganisms present on the implant surface, surrounding tissues, and the subgingival microflora associated with peri-implantitis. However, there is limited information regarding the microbiome within the internal screw space. In this study, microbial samples were collected from the supragingival surfaces of natural teeth, the peri-implant sulcus, and the implant-abutment screw hole, in order to characterize the microbiome of the internal screw space in healthy subjects.</p><p><strong>Methods: </strong>Samples were obtained from the supragingival region of natural teeth, the peri-implant sulcus, and the implant screw hole in 20 healthy subjects. DNA was extracted, and the V3-V4 region of the 16S ribosomal RNA was sequenced for microbiome analysis. Alpha diversity, beta diversity, linear discriminant analysis effect size (LEfSe), and network analysis were employed to compare the characteristics of the microbiomes.</p><p><strong>Results: </strong>We observed significant differences in beta diversity among the samples. Upon analyzing the significant taxa using LEfSe, the microbial composition of the implant-abutment screw hole's microbiome was found to be similar to that of the other sampling sites' microbiomes. Moreover, the microbiome network analysis revealed a unique network complexity in samples obtained from the implant screw hole compared to those from the other sampling sites.</p><p><strong>Conclusions: </strong>The bacterial composition of the biofilm collected from the implant-abutment screw hole exhibited significant differences compared to the supra-structure of the implant. Therefore, long-term monitoring and management of not only the peri-implant tissue but also the implant screw are necessary.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"53 3","pages":"233-244"},"PeriodicalIF":1.9,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/a7/3a/jpis-53-233.PMC10315253.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9747402","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}
Ki-Yeol Park, Min-Ho Kim, Seong-Ho Choi, Eun-Kyoung Pang
{"title":"Association of periodontitis with menopause and hormone replacement therapy: a hospital cohort study using a common data model.","authors":"Ki-Yeol Park, Min-Ho Kim, Seong-Ho Choi, Eun-Kyoung Pang","doi":"10.5051/jpis.2202480124","DOIUrl":"https://doi.org/10.5051/jpis.2202480124","url":null,"abstract":"<p><strong>Purpose: </strong>The present study was designed to compare the incidence of periodontitis according to menopausal status and to investigate the possible effect of hormone replacement therapy (HRT) on periodontitis in postmenopausal women using a common data model (CDM) at a single institution.</p><p><strong>Methods: </strong>This study involved retrospective cohort data of 950,751 patients from a 20-year database (2001 to 2020) of Ewha Womans University Mokdong Hospital converted to the Observational Medical Outcomes Partnership CDM. One-way analysis of variance models and the χ² test were used to analyze the statistical differences in patient characteristics among groups. A time-dependent Cox regression analysis was used to calculate hazard ratios and 95% confidence intervals, and <i>P</i> values less than 0.05 were considered to indicate statistical significance.</p><p><strong>Results: </strong>Of the 29,729 patients, 1,307 patients were diagnosed with periodontitis and 28,422 patients were not. Periodontitis was significantly more common among postmenopausal patients regardless of HRT status than among the non-menopausal group (<i>P</i><0.05). Time-dependent Cox regression analysis showed that the postmenopausal patients had a significantly higher chance of having periodontitis than non-menopausal patients (<i>P</i><0.05), but after adjustment for age, body mass index, and smoking status, the difference between the non-menopausal and post-menopausal HRT-treated groups was insignificant (<i>P</i>=0.140).</p><p><strong>Conclusions: </strong>Postmenopausal women had a significantly greater risk of periodontitis than non-menopausal women. Additionally, the use of HRT in postmenopausal women could reduce the incidence of periodontitis.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"53 3","pages":"184-193"},"PeriodicalIF":1.9,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/94/9c/jpis-53-184.PMC10315258.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9803749","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}
Xiang Jin, Jin-Young Park, Jung-Seok Lee, Ui-Won Jung, Seong-Ho Choi, Jae-Kook Cha
{"title":"Tissue integration patterns of non-crosslinked and crosslinked collagen membranes: an experimental <i>in vivo</i> study.","authors":"Xiang Jin, Jin-Young Park, Jung-Seok Lee, Ui-Won Jung, Seong-Ho Choi, Jae-Kook Cha","doi":"10.5051/jpis.2203260163","DOIUrl":"https://doi.org/10.5051/jpis.2203260163","url":null,"abstract":"<p><strong>Purpose: </strong>Non-crosslinked and crosslinked collagen membranes are known to exhibit distinct degradation characteristics, resulting in contrasting orientations of the adjacent tissues and different biological processes. The aim of this study was to conduct a histomorphometric assessment of non-crosslinked and crosslinked collagen membranes regarding neovascularization, tissue integration, tissue encapsulation, and biodegradation.</p><p><strong>Methods: </strong>Guided bone regeneration was performed using either a non-crosslinked (BG) or a crosslinked collagen membrane (CM) in 15 beagle dogs, which were euthanized at 4, 8, and 16 weeks (n=5 each) for histomorphometric analysis. The samples were assessed regarding neovascularization, tissue integration, encapsulation, the remaining membrane area, and pseudoperiosteum formation. The BG and CM groups were compared at different time periods using nonparametric statistical methods.</p><p><strong>Results: </strong>The remaining membrane area of CM was significantly greater than that of BG at 16 weeks; however, there were no significant differences at 4 and 8 weeks. Conversely, the neovascularization score for CM was significantly less than that for BG at 16 weeks. BG exhibited significantly greater tissue integration and encapsulation scores than CM at all time periods, apart from encapsulation at 16 weeks. Pseudoperiosteum formation was observed in the BG group at 16 weeks.</p><p><strong>Conclusions: </strong>Although BG membranes were more rapidly biodegraded than CM membranes, they were gradually replaced by connective tissue with complete integration and maturation of the surrounding tissues to form dense periosteum-like connective tissue. Further studies need to be performed to validate the barrier effect of the pseudoperiosteum.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"53 3","pages":"207-217"},"PeriodicalIF":1.9,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/37/6a/jpis-53-207.PMC10315255.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10107621","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}
{"title":"Clinical evaluation of Laser-Assisted New Attachment Procedure<sup>®</sup> (LANAP<sup>®</sup>) surgical treatment of chronic periodontitis: a retrospective case series of 1-year results in 22 consecutive patients.","authors":"Raymond A Yukna","doi":"10.5051/jpis.2202580129","DOIUrl":"https://doi.org/10.5051/jpis.2202580129","url":null,"abstract":"<p><strong>Purpose: </strong>Treatment for periodontitis has evolved over the years as new technologies have become available. Currently, lasers seem attractive as a treatment modality, but their effectiveness needs to be verified. The purpose of this project was to evaluate Laser Assisted New Attachment Procedure<sup>®</sup> (LANAP<sup>®</sup>) surgery as a single treatment modality.</p><p><strong>Methods: </strong>As part of a mandatory training program for periodontists and other dentists, 22 consecutive patients diagnosed with moderate to severe periodontitis (probing depth [PD] up to 11 mm) were treated with the LANAP<sup>®</sup> surgical approach using a 1064-nm Nd:YAG laser as part of a multi-step protocol. Following single-session active therapy, they were entered into a maintenance program. Their clinical status was re-evaluated at 12-18 months following surgery.</p><p><strong>Results: </strong>All 22 patients completed the 12- to 18-month follow-up. PD, clinical attachment level, and furcation (FURC) showed substantial improvement. Recession was minimal (mean, 0.1 mm), while 93.5% of PD measurements were 3 mm or less at re-evaluation. Furthermore, 40% of grade 2 FURC closed clinically.</p><p><strong>Conclusions: </strong>Within the limits of this case series, LANAP<sup>®</sup> was found to be an effective, minimally invasive, laser surgical therapy for moderate to advanced periodontitis.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"53 3","pages":"173-183"},"PeriodicalIF":1.9,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/33/1b/jpis-53-173.PMC10315259.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10107618","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}
Jeong-Hun Nam, Akram Abdo Almansoori, Oh-Jun Kwon, Young-Kwon Seo, Bongju Kim, Young-Kyun Kim, Jong-Ho Lee, KangMi Pang
{"title":"Sinus augmentation with poly(ε)caprolactone-β tricalcium phosphate scaffolds, mesenchymal stem cells and platelet rich plasma for one-stage dental implantation in minipigs.","authors":"Jeong-Hun Nam, Akram Abdo Almansoori, Oh-Jun Kwon, Young-Kwon Seo, Bongju Kim, Young-Kyun Kim, Jong-Ho Lee, KangMi Pang","doi":"10.5051/jpis.2300660033","DOIUrl":"https://doi.org/10.5051/jpis.2300660033","url":null,"abstract":"<p><strong>Purpose: </strong>This study evaluated the efficacy of a tube-shaped poly(ε) caprolactone - β tricalcium phosphate (PCL-TCP) scaffold with the incorporation of human umbilical cord-derived mesenchymal stem cells (hUCMSCs) and platelet-rich plasma (PRP) for bone regeneration in the procedure of single-stage sinus augmentation and dental implantation in minipigs.</p><p><strong>Methods: </strong>Implants were placed in the bilateral sides of the maxillary sinuses of 5 minipigs and allocated to a PCL-TCP+hUCMSCs+PRP group (n=5), a PCL-TCP+PRP group (n=5), and a PCL-TCP-only group (n=6). After 12 weeks, bone regeneration was evaluated with soft X-rays, micro-computed tomography, fluorescence microscopy, and histomorphometric analysis.</p><p><strong>Results: </strong>Four implants failed (2 each in the PCL-TCP+hUCMSCs+PRP and PCL-TCP+hUCMSC groups). An analysis of the grayscale levels and bone-implant contact ratio showed significantly higher mean values in the PCL-TCP+hUCMSCs+PRP than in the PCL-TCP group (<i>P</i>=0.045 and <i>P</i>=0.016, respectively). In fluoromicroscopic images, new bone formation around the outer surfaces of the scaffolds was observed in the PCL-TCP+hUCMSCs+PRP group, suggesting a tenting effect of the specially designed scaffolds. Bone regeneration at the scaffold-implant interfaces was observed in all 3 groups.</p><p><strong>Conclusions: </strong>Using a tube-shaped, honeycombed PCL-TCP scaffold with hUCMSCs and PRP may serve to enhance bone formation and dental implants' osseointegration in the procedure of simultaneous sinus lifting and dental implantation.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"53 3","pages":"218-232"},"PeriodicalIF":1.9,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/b2/7e/jpis-53-218.PMC10315254.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9752630","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}