Journal of Periodontal and Implant Science最新文献

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The cumulative survival rate of dental implants with micro-threads: a long-term retrospective study. 带有微型螺纹的牙科植入物的累积存活率:一项长期回顾性研究。
IF 1.9 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-02-01 Epub Date: 2023-05-30 DOI: 10.5051/jpis.2203240162
Dong-Hui Nam, Pil-Jong Kim, Ki-Tae Koo, Yang-Jo Seol, Yong-Moo Lee, Young Ku, In-Chul Rhyu, Sungtae Kim, Young-Dan Cho
{"title":"The cumulative survival rate of dental implants with micro-threads: a long-term retrospective study.","authors":"Dong-Hui Nam, Pil-Jong Kim, Ki-Tae Koo, Yang-Jo Seol, Yong-Moo Lee, Young Ku, In-Chul Rhyu, Sungtae Kim, Young-Dan Cho","doi":"10.5051/jpis.2203240162","DOIUrl":"10.5051/jpis.2203240162","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to evaluate the long-term cumulative survival rate (CSR) of dental implants with micro-threads in the neck over a 10-year follow-up period and to examine the factors influencing the survival rate of dental implants.</p><p><strong>Methods: </strong>This retrospective study was based on radiographic and dental records. In total, 151 patients received 490 Oneplant<sup>®</sup> dental implants with an implant neck micro-thread design during 2006-2010 in the Department of Periodontology of Seoul National University Dental Hospital. Implant survival was evaluated using Kaplan-Meier analysis. Cox proportional hazard regression analysis was used to identify the factors influencing implant failure.</p><p><strong>Results: </strong>Ten out of 490 implants (2.04%) failed due to fixture fracture. The CSR of the implants was 97.9%, and no significant difference was observed in the CSR between external- and internal-implant types (98.2% and 97.6%, respectively, <i>P</i>=0.670). In Cox regression analysis, 2-stage surgery significantly increased the risk of implant failure (hazard ratio: 4.769, <i>P</i>=0.039). There were no significant differences in influencing factors, including sex, age, implant diameter, length, fixture type, location, surgical procedure, bone grafting, and restoration type.</p><p><strong>Conclusions: </strong>Within the limitations of this retrospective study, the micro-thread design of the implant neck was found to be favorable for implant survival, with stable clinical outcomes.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"53-62"},"PeriodicalIF":1.9,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10901680/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9664246","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
Bacterial cellulose matrix and acellular dermal matrix seeded with fibroblasts grown in platelet-rich plasma supplemented medium, compared to free gingival grafts: a randomized animal study. 细菌纤维素基质和在富血小板血浆补充培养基中生长的成纤维细胞播种的非细胞真皮基质与游离牙龈移植的比较:一项随机动物实验。
IF 1.9 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2024-02-01 Epub Date: 2023-05-30 DOI: 10.5051/jpis.2200940047
Abraão Moratelli Prado, Cimara Fortes Ferreira, Luismar Marques Porto, Elena Riet Correa Rivero, Ricardo de Souza Magini, Cesar Augusto Magalhães Benfatti, Jair Rodriguez-Ivich
{"title":"Bacterial cellulose matrix and acellular dermal matrix seeded with fibroblasts grown in platelet-rich plasma supplemented medium, compared to free gingival grafts: a randomized animal study.","authors":"Abraão Moratelli Prado, Cimara Fortes Ferreira, Luismar Marques Porto, Elena Riet Correa Rivero, Ricardo de Souza Magini, Cesar Augusto Magalhães Benfatti, Jair Rodriguez-Ivich","doi":"10.5051/jpis.2200940047","DOIUrl":"10.5051/jpis.2200940047","url":null,"abstract":"<p><strong>Purpose: </strong>Mucogingival defects (MGDs), such as dental root recessions, decreased vestibular depth, and absence of keratinized tissues, are commonly seen in dental clinics. MGDs may result in functional, aesthetic, and hygienic concerns. In these situations, autogenous soft tissue grafts are considered the gold-standard treatment. This study compares the healing process of free gingival grafts (FGGs) to bacterial cellulose matrix (BCM) and human acellular dermal matrix (ADM) seeded with fibroblasts from culture supplemented with platelet-rich plasma in a rat model.</p><p><strong>Methods: </strong>Surgical defects were made in rats, which received the following treatments in a randomized manner: group I, negative control (defect creation only); group II, positive control (FGG); group III, BCM; group IV, BCM + fibroblasts; group V, ADM; and group VI, ADM + fibroblasts. Clinical, histological, and immunological analyses were performed 15 days after grafting. Clinical examinations recorded epithelium regularity and the presence of ulcers, erythema, and/or edema.</p><p><strong>Results: </strong>The histological analysis revealed the degree of reepithelization, width, regularity, and presence of keratin. The Fisher exact statistical test was applied to the results (<i>P</i><0.05). No groups showed ulcers except for group I. All groups had regular epithelium without erythema and without edema. Histologically, all groups exhibited regular epithelium with keratinization, and myofibroblasts were present in the connective tissue. The groups that received engineered grafts showed similar clinical and histological results to the FGG group.</p><p><strong>Conclusions: </strong>Within the limitations of this study, it was concluded that BCM and ADM can be used as cell scaffolds, with ADM yielding the best results. This study supports the use of this technical protocol in humans.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"25-36"},"PeriodicalIF":1.9,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10901679/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9664248","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 polydeoxyribonucleotide with xenogeneic collagen matrix on gingival phenotype modification: a pilot preclinical study. 聚脱氧核苷酸与异种胶原基质对牙龈表型改变的影响:临床前试验研究。
IF 1.9 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2023-12-01 Epub Date: 2023-07-07 DOI: 10.5051/jpis.2301920096
Hyun-Chang Lim, Chang-Hoon Kim, Han-Kyu Lee, Gyewon Jeon, Yeek Herr, Jong-Hyuk Chung
{"title":"Effect of polydeoxyribonucleotide with xenogeneic collagen matrix on gingival phenotype modification: a pilot preclinical study.","authors":"Hyun-Chang Lim, Chang-Hoon Kim, Han-Kyu Lee, Gyewon Jeon, Yeek Herr, Jong-Hyuk Chung","doi":"10.5051/jpis.2301920096","DOIUrl":"10.5051/jpis.2301920096","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the effect of xenogeneic collagen matrix (XCM) with polydeoxyribonucleotide (PDRN) for gingival phenotype modification compared to autogenous connective tissue graft.</p><p><strong>Methods: </strong>Five mongrel dogs were used in this study. Box-type gingival defects were surgically created bilaterally on the maxillary canines 8 weeks before gingival augmentation. A coronally positioned flap was performed with either a subepithelial connective tissue graft (SCTG) or XCM with PDRN (2.0 mg/mL). The animals were sacrificed after 12 weeks. Intraoral scanning was performed for soft tissue analysis, and histologic and histomorphometric analyses were performed.</p><p><strong>Results: </strong>One animal exhibited wound dehiscence, leaving 4 for analysis. Superimposition of STL files revealed no significant difference in the amount of gingival thickness increase (ranging from 0.69±0.25 mm to 0.80±0.31 mm in group SCTG and from 0.48±0.25 mm to 0.85±0.44 mm in group PDRN; <i>P</i>>0.05). Histomorphometric analysis showed no significant differences between the groups in supracrestal gingival tissue height, keratinized tissue height, tissue thickness, and rete peg density (<i>P</i>>0.05).</p><p><strong>Conclusions: </strong>XCM soaked with PDRN yielded comparable gingival augmentation to SCTG.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"417-428"},"PeriodicalIF":1.9,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10761283/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10553378","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
CBCT assessment of alveolar bone wall morphology and its correlation with tooth angulation in the anterior mandible: a new classification for immediate implant placement. 下颌骨前部牙槽骨壁形态的 CBCT 评估及其与牙齿角度的相关性:即刻种植体植入的新分类。
IF 1.9 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2023-12-01 Epub Date: 2023-03-21 DOI: 10.5051/jpis.2105000250
Nur Hafizah Kamar Affendi, Jumanah Babiker, Mohd Yusmiaidil Putera Mohd Yusof
{"title":"CBCT assessment of alveolar bone wall morphology and its correlation with tooth angulation in the anterior mandible: a new classification for immediate implant placement.","authors":"Nur Hafizah Kamar Affendi, Jumanah Babiker, Mohd Yusmiaidil Putera Mohd Yusof","doi":"10.5051/jpis.2105000250","DOIUrl":"10.5051/jpis.2105000250","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to quantify alveolar bone morphology, demonstrate the relationship between tooth angulation and alveolar bone thickness, and introduce a new classification for anterior mandibular teeth related to immediate implant placement (IIP).</p><p><strong>Methods: </strong>Cone-beam computed tomography (CBCT) images of 211 anterior mandibular teeth were analyzed in sagittal slices to measure the thickness of the facial alveolar bone crest (FAB1) and apex (FAB2), and the lingual alveolar bone crest (LAB1) and apex (LAB2). Tooth angulation was classified as 1°-10°, 11°-20°, and >20° according to the tooth's long axis and alveolar bone wall. Spearman correlation coefficients were used to evaluate correlations between the variables.</p><p><strong>Results: </strong>FAB1 and LAB1 were predominantly thin (<1 mm) (84.4% and 73.4%, respectively), with the lateral incisors being thinnest. At the apical level, FAB2 and LAB2 were thick in 99.5% and 99.1% of cases, respectively. Significant differences were documented in FAB2 (<i>P</i>=0.004), LAB1 (<i>P=</i>0.001), and LAB2 (<i>P</i>=0.001) of all mandibular teeth. At all apical levels of the inspected teeth, a significant negative correlation existed between TA and FAB2. Meanwhile, TA showed a significant positive correlation with LAB2 of the lateral incisors and canines. These patterns were then divided into class I (thick facial and lingual alveolar bone), class II (facially inclined teeth) with subtype A (1°-10°) and subtype B (11°-20°), and class III (lingually inclined teeth) with subtype A (1°-10°) and subtype B (11°-20°).</p><p><strong>Conclusions: </strong>Mandibular anterior teeth have predominantly thin facial and lingual crests, making the lingual bone apical thickness crucial for IIP. Although anchorage can be obtained from lingual bone, tooth angulation and tooth types had an impact on IIP planning. Hence, the new classification based on TA and alveolar bone wall may enable rational clinical planning for IIP treatment.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"453-466"},"PeriodicalIF":1.9,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10761280/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9628495","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
A retrospective study of the long-term survival of RESTORE® dental implants with resorbable blast media surface. 对带有可吸收爆破介质表面的 RESTORE® 牙科种植体长期存活率的回顾性研究。
IF 1.9 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2023-12-01 Epub Date: 2023-03-09 DOI: 10.5051/jpis.2203340167
Keun-Soo Ryoo, Pil-Jong Kim, Sungtae Kim, Young-Dan Cho, Young Ku
{"title":"A retrospective study of the long-term survival of RESTORE<sup>®</sup> dental implants with resorbable blast media surface.","authors":"Keun-Soo Ryoo, Pil-Jong Kim, Sungtae Kim, Young-Dan Cho, Young Ku","doi":"10.5051/jpis.2203340167","DOIUrl":"10.5051/jpis.2203340167","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to retrospectively evaluate the survival and failure rates of RESTORE<sup>®</sup> implants over a follow-up period of 10-15 years at a university dental hospital and to investigate the factors affecting the survival rate of these dental implants.</p><p><strong>Methods: </strong>A total of 247 RESTORE<sup>®</sup> dental implants with a resorbable blast media (RBM) surface inserted in 86 patients between March 2006 and April 2011 at the Department of Periodontology of Seoul National University Dental Hospital were included. Patients with follow-up periods of less than 10 years were excluded, and data analysis was conducted based on dental records and radiographs.</p><p><strong>Results: </strong>Over a 10- to 15-year period, the cumulative survival rate of the implants was 92.5%. Seventeen implants (6.88%) were explanted due to implant fracture (n=10, 4.05%), peri-implantitis (n=6, 2.43%), and screw fracture (n=1, 0.4%). The results of univariate regression analysis using a Cox proportional hazards model demonstrated that implants placed in male patients (hazard ratio [HR], 4.542; 95% confidence interval [CI], 1.305-15.807; <i>P</i>=0.017) and implants that supported removable prostheses (HR, 15.498; 95% CI, 3.105-77.357; <i>P</i>=0.001) showed statistically significant associations with implant failure.</p><p><strong>Conclusions: </strong>Within the limitations of this retrospective study, the RESTORE<sup>®</sup> dental implant with an RBM surface has a favorable survival rate with stable clinical outcomes.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"444-452"},"PeriodicalIF":1.9,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10761285/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9628494","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: 1
Porcine-derived soft block bone substitutes for the treatment of severe class II furcation-involved mandibular molars: a prospective controlled follow-up study. 用于治疗严重的 II 类毛囊沟受累下颌磨牙的树脂软块骨替代物:一项前瞻性对照随访研究。
IF 1.9 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2023-12-01 Epub Date: 2023-03-24 DOI: 10.5051/jpis.2203660183
Jae-Hong Lee, Ji-Hoo Han, Seong-Nyum Jeong
{"title":"Porcine-derived soft block bone substitutes for the treatment of severe class II furcation-involved mandibular molars: a prospective controlled follow-up study.","authors":"Jae-Hong Lee, Ji-Hoo Han, Seong-Nyum Jeong","doi":"10.5051/jpis.2203660183","DOIUrl":"10.5051/jpis.2203660183","url":null,"abstract":"<p><strong>Purpose: </strong>No evidence exists regarding the advantages of periodontal regeneration treatment for furcation defects using soft block bone substitutes. Therefore, this randomized controlled trial aimed to assess the clinical and radiographic outcomes of regenerative therapy using porcine-derived soft block bone substitutes (DPBM-C, test group) compared with porcine-derived particulate bone substitutes (DPBM, control group) for the treatment of severe class II furcation defects in the mandibular molar regions.</p><p><strong>Methods: </strong>Thirty-five enrolled patients (test group, n=17; control group, n=18) were available for a 12-month follow-up assessment. Clinical (probing pocket depth [PPD] and clinical attachment level [CAL]) and radiographic (vertical furcation defect; VFD) parameters were evaluated at baseline and 6 and 12 months after regenerative treatment. Early postoperative discomfort (severity and duration of pain and swelling) and wound healing outcomes (dehiscence, suppuration, abscess formation, and swelling) were also assessed 2 weeks after surgery.</p><p><strong>Results: </strong>For both treatment modalities, significant improvements in PPD, CAL, and VFD were found in the test group (PPD reduction of 4.1±3.0 mm, CAL gain of 4.4±2.9 mm, and VFD reduction of 4.1±2.5 mm) and control group (PPD reduction of 2.7±2.0 mm, CAL gain of 2.0±2.8 mm, and VFD reduction of 2.4±2.5 mm) 12 months after the regenerative treatment of furcation defects (<i>P</i><0.05). However, no statistically significant differences were found in any of the measured clinical and radiographic parameters, and no significant differences were observed in any early postoperative discomfort and wound healing outcomes between the 2 groups.</p><p><strong>Conclusions: </strong>Similar to DPBM, DPBM-C showed favorable clinical and radiographic outcomes for periodontal regeneration of severe class II furcation defects in a 12-month follow-up period.</p><p><strong>Trial registration: </strong>Clinical Research Information Service Identifier: KCT0007305.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"406-416"},"PeriodicalIF":1.9,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10761284/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9424619","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: 2
Vertical bone augmentation using collagenated or non-collagenated bone substitute materials with or without recombinant human bone morphogenetic protein-2 in a rabbit calvarial model. 在兔腓骨模型中使用含或不含重组人骨形态发生蛋白-2的胶原或非胶原骨替代材料进行垂直骨增量。
IF 1.9 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2023-12-01 Epub Date: 2023-03-07 DOI: 10.5051/jpis.2204240212
Hyun-Chang Lim, Kyeong-Won Paeng, Ui-Won Jung, Goran I Benic
{"title":"Vertical bone augmentation using collagenated or non-collagenated bone substitute materials with or without recombinant human bone morphogenetic protein-2 in a rabbit calvarial model.","authors":"Hyun-Chang Lim, Kyeong-Won Paeng, Ui-Won Jung, Goran I Benic","doi":"10.5051/jpis.2204240212","DOIUrl":"10.5051/jpis.2204240212","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to determine 1) the bone-regenerative effect of porcine bone block materials with or without collagen matrix incorporation, 2) the effect of a collagen barrier, and 3) the effect of adding recombinant human bone morphogenetic protein-2 (rhBMP-2) to the experimental groups.</p><p><strong>Methods: </strong>Four treatment modalities were applied to rabbit calvaria: 1) deproteinized bovine bone mineral blocks (DBBM), 2) porcine bone blocks with collagen matrix incorporation (PBC), 3) porcine bone blocks alone without collagen matrix incorporation (PB), and 4) PBC blocks covered by a collagen membrane (PBC+M). The experiments were repeated with the addition of rhBMP-2. The animals were sacrificed after either 2 or 12 weeks of healing. Micro-computed tomography (micro-CT), histologic, and histomorphometric analyses were performed.</p><p><strong>Results: </strong>Micro-CT indicated adequate volume stability in all block materials. Histologically, the addition of rhBMP-2 increased the amount of newly formed bone (NB) in all the blocks. At 2 weeks, minimal differences were noted among the NB of groups with or without rhBMP-2. At 12 weeks, the PBC+M group with rhBMP-2 presented the greatest NB (<i>P</i><0.05 vs. the DBBM group with rhBMP-2), and the PBC and PB groups had greater NB than the DBBM group (<i>P</i>>0.05 without rhBMP-2, <i>P</i><0.05 with rhBMP-2).</p><p><strong>Conclusions: </strong>The addition of rhBMP-2 enhanced NB formation in vertical augmentation using bone blocks, and a collagen barrier may augment the effect of rhBMP-2.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"429-443"},"PeriodicalIF":1.9,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10761281/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9628493","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: 2
Evaluation of the regenerative capacity of stem cells combined with bone graft material and collagen matrix using a rabbit calvarial defect model. 利用兔腓骨缺损模型评估干细胞与骨移植材料和胶原基质相结合的再生能力。
IF 1.9 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2023-12-01 Epub Date: 2023-03-28 DOI: 10.5051/jpis.2204880244
Jun-Beom Park, InSoo Kim, Won Lee, Heesung Kim
{"title":"Evaluation of the regenerative capacity of stem cells combined with bone graft material and collagen matrix using a rabbit calvarial defect model.","authors":"Jun-Beom Park, InSoo Kim, Won Lee, Heesung Kim","doi":"10.5051/jpis.2204880244","DOIUrl":"10.5051/jpis.2204880244","url":null,"abstract":"<p><strong>Purpose: </strong>The purpose of this study was to evaluate the regenerative capacity of stem cells combined with bone graft material and a collagen matrix in rabbit calvarial defect models according to the type and form of the scaffolds, which included type I collagen matrix and synthetic bone.</p><p><strong>Methods: </strong>Mesenchymal stem cells (MSCs) were obtained from the periosteum of participants. Four symmetrical 6-mm-diameter circular defects were made in New Zealand white rabbits using a trephine drill. The defects were grafted with (1) group 1: synthetic bone (β-tricalcium phosphate/hydroxyapatite [β-TCP/HA]) and 1×10<sup>5</sup> MSCs; (2) group 2: collagen matrix and 1×10<sup>5</sup> MSCs; (3) group 3: β-TCP/HA, collagen matrix covering β-TCP/HA, and 1×10<sup>5</sup> MSCs; or (4) group 4: β-TCP/HA, chipped collagen matrix mixed with β-TCP/HA, and 1×10<sup>5</sup> MSCs. Cellular viability and cell migration rates were analyzed.</p><p><strong>Results: </strong>Uneventful healing was achieved in all areas where the defects were made at 4 weeks, and no signs of infection were identified during the healing period or at the time of retrieval. New bone formation was more evident in groups 3 and 4 than in the other groups. A densitometric analysis of the calvarium at 8 weeks post-surgery showed the highest values in group 3.</p><p><strong>Conclusions: </strong>This study showed that the highest regeneration was found when the stem cells were applied to synthetic bone along with a collagen matrix.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":"467-477"},"PeriodicalIF":1.9,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10761282/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9424621","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
The artificial intelligence revolution in dentistry: transformation in patient education. 牙科领域的人工智能革命:患者教育变革。
IF 1.9 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2023-12-01 DOI: 10.5051/jpis.235306edi01
Raif Alan, Betül Melek Alan
{"title":"The artificial intelligence revolution in dentistry: transformation in patient education.","authors":"Raif Alan, Betül Melek Alan","doi":"10.5051/jpis.235306edi01","DOIUrl":"10.5051/jpis.235306edi01","url":null,"abstract":"","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"53 6","pages":"403-405"},"PeriodicalIF":1.9,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10761279/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139075633","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
Standard operating procedures for the collection, processing, and storage of oral biospecimens at the Korea Oral Biobank Network. 韩国口腔生物库网络收集、处理和储存口腔生物标本的标准操作程序。
IF 1.9 4区 医学
Journal of Periodontal and Implant Science Pub Date : 2023-10-01 Epub Date: 2023-02-02 DOI: 10.5051/jpis.2203680184
Young-Dan Cho, Eunae Sandra Cho, Je Seon Song, Young-Youn Kim, Inseong Hwang, Sun-Young Kim
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