The International journal of oral & maxillofacial implants最新文献

{"title":"Immediate Placement and Loading of Maxillary Single-Tooth Scalloped Implants and Digitally Customized Restorations: A 5-Year Prospective Study of Marginal Bone Level.","authors":"Antoine N Berberi","doi":"10.11607/jomi.10965","DOIUrl":"10.11607/jomi.10965","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate over 5 years the mesial, distal, palatal, and buccal bone levels as well as the buccal bone thickness surrounding scalloped implants that were immediately placed and loaded with provisional crowns fixed on final prefabricated abutments.</p><p><strong>Materials and methods: </strong>A total of 18 implants were placed and immediately loaded using CAD/CAM technology in 18 patients to replace a single tooth in the anterior maxilla. The marginal bone levels around the scalloped implant necks were measured mesially and distally using intraoral standardized radiographs after crown placement as well as at the 1-, 3-, and 5-year follow-ups. CBCT para-axial cut images were used to measure the bone level buccally and palatally from the implant neck to the bone-to-implant contact (BIC) 5 years after loading. These images were used to evaluate the thickness of the buccal bone at the implant neck and 4 mm apically both immediately after implant placement (T0) and 5 years later.</p><p><strong>Results: </strong>All implants were assessed clinically and radiologically after 5 years. No implant failure was recorded, and the average marginal bone variation for mesial and distal sites was as follows: 0.114 ±0.135 mm at crown cementation, 0.239 ± 0.158 mm 1 year later, 0.233 ± 0.182 mm 3 years later, and 0.180 ± 0.182 mm 5 years later. Our findings indicate that at T0, the average thickness of the buccal bone was 2.27 mm at the implant neck (M0; ranging from 1.9 to 2.4 mm) and 2.33 mm at 4 mm apical to the implant neck (M1; ranging from 1.9 to 2.9 mm). At 5 years postoperative (T4), the mean had decreased to 1.94 mm at M0 (ranging from 1.7 to 2.3 mm) and 2.14 mm at M1 (ranging from 1.8 to 2.4 mm). After 5 years of functional loading, the mean changes at the buccal and palatal bone for all implants were &#43;0.187 ± 0.52 mm and &#43;0.06 ± 0.38 mm, respectively. Minor prosthetic problems were observed over the 5 years, including incisal ceramic chipping in two crowns and replacement of two crowns due to esthetic reasons after 1 year. No loosening of crowns or abutments was reported.</p><p><strong>Conclusions: </strong>Scalloped-neck implants demonstrated a comparable behavior to regular-neck implants with similar designs in immediate placement and temporization protocol over a 5-year period.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"884-892"},"PeriodicalIF":0.0,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140905217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of Ti-Base-Supported Implant Restoration on Peri- implant Conditions: A Systematic Review and Meta-analysis.","authors":"Han-Pang Liu, Sieu Yien Chiam, Hom-Lay Wang","doi":"10.11607/jomi.10924","DOIUrl":"10.11607/jomi.10924","url":null,"abstract":"<p><strong>Purpose: </strong>To conduct a systematic review and meta-analysis to examine the impact of titanium (Ti) base-supported single-implant restorations on peri-implant conditions.</p><p><strong>Materials and methods: </strong>Six randomized controlled trials (RCTs) comprising 274 implants met the inclusion criteria and were chosen for data analysis. A random-effects model was employed for the meta-analysis.</p><p><strong>Results: </strong>Data from this study revealed that the Ti-basegroup exhibited a small but statistically significant increase in peri-implant marginal bone loss (MBL; mean difference = 0.088 mm; 95% CI = 0.003 to 0.17; P = .041) compared to the one-piece abutment group. These effects were consistent in the subgroup analysis of regularly threaded implants compared to the microthreaded subgroup. No significant differences were observed between the Ti-base group and the abutment group concerning probing depth (PD), bleeding on probing (BoP), and the risk of prosthetic-related complications.</p><p><strong>Conclusions: </strong>The use of a Ti-base in a single implant-supported restorationis associated with a slight increase in peri-implant MBL, while other peri-implant health parameters show no significant correlation. Therefore, the evidence of the impact that Ti-bases have on the peri-implant conditions of single implant-supported restorations is insufficient based on the findings of the present meta-analysis.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"815-822"},"PeriodicalIF":0.0,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141094764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Self-Correcting.","authors":"Clark M Stanford","doi":"10.11607/jomi.2024.6.e","DOIUrl":"https://doi.org/10.11607/jomi.2024.6.e","url":null,"abstract":"","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"39 6","pages":"808"},"PeriodicalIF":0.0,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142820521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Implant Failure and Marginal Bone Loss Between Axial and Tilted Implants: An Umbrella Review with Meta-analysis.","authors":"Ahmad Al Malak, Yasmina El Masri, Jad El Masri, Hassan Al Issawi, Pascale Salameh, Georges Aoun","doi":"10.11607/jomi.10885","DOIUrl":"10.11607/jomi.10885","url":null,"abstract":"<p><strong>Purpose: </strong>To summarize and analyze all the evidence available concerning marginal bone loss (MBL) and implant failure between tilted and axial implants.</p><p><strong>Materials and methods: </strong>An electronic literature search was conducted without any language restrictions, and only systematic reviews with meta-analysis or meta-analysis studies were included. Relative risks (RRs) and the differences in mean (MD) were calculated with 95% confidence intervals (CIs) for the assessed outcomes (in mm) of implant failure and MBL.</p><p><strong>Results: </strong>In total, eight studies were included. Based on the short-term results, a nonsignificant mean difference (MD = 0.00; 95% CI; -0.01-0.02; P value = .75) was recorded between tilted and axial implants supporting full-arch dentures. A significant mean difference was recorded at 3-year follow-up (MD = 0.08 95% CI= 0.05-0.11; P value < .00001) and at long-term follow-up (MD = 0.18; 95% CI = 0.15-0.20; P value < .00001). A nonsignificant difference was observed between tilted and axial implants regarding implant failure (RR = 1.02; 95% CI = 0.85-1.23;P value = .81).</p><p><strong>Conclusions: </strong>Based on the high- and moderate-quality studies with low risk of bias included in this review, no significant difference in outcome regarding implant failure was observed between tilted and axial implants supporting full-arch or fixed partial dentures.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"875-883"},"PeriodicalIF":0.0,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141474223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Molecular Analysis of Peri-implant Soft Tissue Response to Different Abutment Materials in Humans: A Pilot Study.","authors":"Andrea Pilloni, Lorenzo Marini, Nicoletta Gagliano, Claudia Dellavia, Gaia Pellegrini, Dolaji Henin, Blerina Zeza, Mariana Andrea Rojas","doi":"10.11607/jomi.10910","DOIUrl":"10.11607/jomi.10910","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the response of human peri-implant soft tissue (PIST) to different healing abutment materials 24 hours after positioning by assessing the expression of genes related to the early connective tissue wound healing response.</p><p><strong>Materials and methods: </strong>The following four materials were used to create experimental abutments that were mounted on implants placed in five patients (four different abutments in each patient): group A-grade 4 titanium (Ti), group B-grade 5 Ti, group C-zirconia (Zr), and group D-polyetheretherketone (PEEK). Before implant placement, a gingival biopsy (control, CT) sample was obtained using a 2-mm-diameter punch (T0). After 24 hours, PIST biopsy samples were collected using a specifically designed custom-made cutting device. Real-time polymerase chain reaction (PCR) was performed to analyze the expression of the following genes: COL-I, COL-III, MMP-1, TIMP-1, TGF-β1, FN, ITGA4, ITGA5, ITGB1, RAC-1, COL-IV, αSMA, IL-6, and CXCL-1.</p><p><strong>Results: </strong>Gene expression analysis showed some differences between CT and the experimental groups; however, no significant differences were detected when comparing the experimental groups. COL-I was significantly downregulated in groups A and C compared to CT. Expression of MMP-1 and TIMP-1 increased in all the experimental groups but to a lesser extent in group A. FN, RAC-1, COL-IV, and αSMA were downregulated, especially ingroup A, in which CXCL-1 and IL-6 showed the lowest expression.</p><p><strong>Conclusions: </strong>The results of grade 4 Ti and Zr abutments seem to be promising, because a lower expression of genes related to inflammation, myofibroblast activation, and extracellular matrix remodeling was observed when compared with grade 5 Ti and PEEK, without triggering a profibrotic response in the early phases of PIST repair.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"235-249"},"PeriodicalIF":0.0,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141094766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"One-Piece CAD/CAM Abutment for Screw-Retained Single- Tooth Restorations: A 5-Year Prospective Cohort Study.","authors":"Andrea Parpaiola, Marco Toia, Michael Norton, Christian Bacci, Claudia Todaro, Ruggero Rodriguez Y Baena, Saturnino Marco Lupi","doi":"10.11607/jomi.10843","DOIUrl":"10.11607/jomi.10843","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the clinical performance of implant-prosthetic rehabilitations carried out using ceramic-coated CAD/CAM titanium abutments.</p><p><strong>Materials and methods: </strong>Thirty implants were placed in 30 patients and rehabilitated with 30 single crowns attached to CAD/CAM titanium abutments. A conventional procedure was applied, implants were placed after postextraction socket healing, and prosthetic restorations were placed after implant healing. Implant lengths ranged from 6 to 15 mm, and widths were 3.6, 4.2, and 4.8 mm. At the time of prosthesis delivery (T0), after 2 years (T1), and after 5 years (T2), the Plaque Index (PI), bleeding on probing (BoP), pocket probing depth (PPD), marginal bone level (MBL), and pink/white esthetic scores (PES/WES) were evaluated for each implant.</p><p><strong>Results: </strong>No patient dropped out of the study during the follow-up period. All 30 implants were clinically successful 5 years after prosthesis delivery (survival rate: 100%) and showed no signs of peri-implant infection. Peri-implant soft tissues were in good health (BoP at T2: 0% in 73% of patients; 25% in 13% of patients; 50% in 10% of patients; and 75% in 3% of patients). The mean PPD was 2.05 ± 0.56 mm at T0, 1.992 ± 0.6 mm at T1, and 1.867 ± 0.439 mm at T2. The mean MBL was 0.413 ± 0.440 mm at T0, 0.306 ± 0.388 mm at T1, and 0.263 ± 0.368 mm at T2. The mean PES, WES, and PES/WES indices (7.43 ± 1.04, 7.57 ± 0.82, and 15.00 ± 1.17, respectively) indicate good integration of soft tissues, satisfactory esthetics, and overall positive outcomes.</p><p><strong>Conclusions: </strong>The success rates, maintenance of MBLs, and periodontal and esthetic indices suggest the validity of implant-prosthetic rehabilitations with CAD/CAM abutments in cases of single crowns.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"911-921"},"PeriodicalIF":0.0,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140878304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Changes in the Maxillary Sinus Membrane Thickness and Sinus Health Following Lateral Sinus Floor Elevation: Comparing Preoperative Mucosal Thicknesses of < 5 mm and > 5 mm.","authors":"Kazem Khiabani, Farzaneh Nourbakhshian, Mohammad Hosein Amirzade-Iranaq","doi":"10.11607/jomi.10839","DOIUrl":"10.11607/jomi.10839","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the effect of lateral sinus floor elevation (LSFE) on sinus membrane (SM) thickness and sinus health in mucosa thickness < 5 mm and > 5 mm.</p><p><strong>Materials and methods: </strong>LSFE was performed in a prospective controlled clinical trial on two groups with < 5 mm and > 5 mm SM thickness (Groups A and B, respectively) and followed for 6 months. Using preoperative and 6-month postoperative CBCT scans and clinical evaluation, SM thickness changes (primary outcome variable), sinus health, augmented bone height and length (augmentation adequacy), membrane-related variables, and operation time were measured.</p><p><strong>Results: </strong>Forty unilateral sinus augmentations (n = 20 for both groups) were performed on 40 subjects (72.5% men, mean age of 48.8 ± 7.6 years), and 52 implants were simultaneously placed. The mean preoperative and 6-month SM thicknesses were 1.4 ± 0.9 mm and 1.3 ± 0.6 mm in Group A, respectively, and were 6.8 ± 1.0 and 3.4 ± 1.7 mm in Group B, respectively. The mean postoperative SM thickness significantly decreased (P < .001) only in Group B. The mean SM thickness changes also revealed a noticeable difference between the two groups (P < .001). Augmentation adequacy and membrane perforation rate were similar in both groups. Clinical and radiographic rhinosinusitis was not detected in any of the patients. Bleeding during separation and resistance to elevation were significantly higher in Group B than in Group A (P = .003, P = .001). Surgical time was longer in Group B (12.08 ± 8.26 minutes) than in Group A (8.64 ± 3.70 minutes), without reaching significance (P = .097).</p><p><strong>Conclusions: </strong>LSFE in thickened mucosa (< 10 mm) and thinner mucosa (< 5 mm) does not cause abnormal changes in the SM and sinus health. LSFE in thickened mucosa results in adequate sinus augmentation. The thickened membrane does not appear to be a contraindication to LSFE.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"867-874"},"PeriodicalIF":0.0,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139731262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Wettability of Different Zirconia Implant Surfaces after Glycine and Erythritol Treatment.","authors":"Lauren Mistretta, Rafael Delgado-Ruiz, Georgios E Romanos","doi":"10.11607/jomi.10862","DOIUrl":"10.11607/jomi.10862","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate whether the wettability of two zirconia (Zr) implant disk surfaces is affected by glycine and erythritol air polishing using the following wetting solutions as test mediums: saline, bovine serum albumin (BSA), bovine thrombin, and bovine artificial blood.</p><p><strong>Materials and methods: </strong>The two types of Zr disks used were SDS (Swiss Dental Solutions; n = 6) and Patent (Zircon Medical AG; n = 6). Surface parameters (Sa, Sz, Sdr, Ssk, Sku, and Spd) were measured to determine their initial surface roughness. Air polishing was completed using glycine or erythritol powders using the AIRFLOW PERIO device (EMS Dental). The wettability of the disk surfaces was evaluated by the contact angle analysis applied to the treated and untreated disks using four wetting solutions, including saline, BSA, bovine thrombin, and bovine artificial blood. In total, 720 contact angle measurements were completed with n = 30 per group. Statistical analysis was performed using one-way ANOVA and the post-hoc Tukey HSD test.</p><p><strong>Results: </strong>The results indicate that SDS has a greater wettability than Patent before and after air polishing. The wettability of surfaces treated with glycine was hydrophobic in some cases. Erythritol increased the surface wettability of Zr disks more than glycine. BSA and bovine artificial blood had lower contact angles than saline and bovine thrombin for both types of untreated disks.</p><p><strong>Conclusions: </strong>The initial wettability of Zr disks differs between manufacturers, and air polishing with erythritol powder increases the wettability of Zr implant disks for saline, bovine serum, bovine thrombin, and bovine artificial blood.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"837-844"},"PeriodicalIF":0.0,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139731358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Implant Stability and Histomorphometric Analysis Comparing Two Different Implant Macrogeometries Placed in Fresh Sockets: An Experimental Study in Sheep.","authors":"Sergio Alexandre Gehrke, Jaime Aramburú Júnior, Tiago Luis Eirles Treichel, Eleani Maria da Costa, Antonio Scarano, Nilton De Bortoli Júnior, Gustavo Vicentis Oliveira Fernandes, Piedad N De Aza","doi":"10.11607/jomi.10823","DOIUrl":"10.11607/jomi.10823","url":null,"abstract":"<p><strong>Purpose: </strong>To examine the impact of two implant designs that promote different insertion torque values on implant stability and to histomorphometrically evaluate the bone healing after immediate implant placement in fresh sockets in a sheep model.</p><p><strong>Materials and methods: </strong>Twelve female sheep (mean weight: 35.0 ± 5.0 kg) were included in the study. Additionally, 48 conical Morse taper dental implants were included, comprising two groups (n = 24 per group): Group 1, where the implant design can provide high insertion torque values; and Group 2, where the implant design can provide low insertion torque values. Both had the same surface treatment and dimensions (4.0 × 10 mm). The mandibular first and second molars on both sides were extracted carefully. Sequentially, osteotomies were made in the mesial socket of each molar tooth. The final implant position was 2 mm below the buccal bone crest level. On the right side, a Group 1 implant was placed anteriorly, with a Group 2 implant in the posterior position; on the left side, the Group 2 implant was anterior and the Group 1 implant was posterior. A digital torque meter was used to measure the maximum final insertion torque value (f-IT). The initial implant stability quotient (ISQ) was measured immediately after implant insertion (T0) and immediately after the euthanasia and removing the mandibles. The animals were euthanized (n = 6 animals/ time) at 21 days (T1) and 35 days (T2). To compare statistical differences for each analyzed intragroup parameter, t-test was used. Pearson's correlation was used to analyze possible correlations: f-IT and percentage of bone-to-implant contact (%BIC), f-IT and ISQ, and ISQ and %BIC.</p><p><strong>Results: </strong>Group 1 presented higher insertion torque values than Group 2, with a statistically significant difference (P < .0001). The ISQ mean values were higher in the buccolingual direction than those obtained in the mesiodistal direction for both groups. Higher %BIC measurements were seen in Group 2 than Group 1 samples at both times and in both directions. There were statistical differences between groups for new bone, medullary spaces, and collagen matrix at each evaluation time.</p><p><strong>Conclusions: </strong>Using implants with a modified macrogeometry plays a significant role in implant stability and bone tissue healing around the implant. It is important for clinicians to carefully consider implant macrogeometry when planning implant surgery to achieve optimal implant stability and successful osseointegration, mainly in cases of immediate implant placement.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"857-866"},"PeriodicalIF":0.0,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140159870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Implant Fracture: An Update.","authors":"David Chvartszaid","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"39 6","pages":"809-814"},"PeriodicalIF":0.0,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142820507","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}