Clinical implant dentistry and related research最新文献

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Maxillary sinus membrane perforation rate utilizing osseodensification-mediated transcrestal sinus floor elevation: A multicenter clinical study. 利用骨质增生介导的上颌窦底抬高术的上颌窦膜穿孔率:多中心临床研究
Clinical implant dentistry and related research Pub Date : 2024-08-26 DOI: 10.1111/cid.13368
Ziv Mazor, Joao Gaspar, Robert Silva, Snjezana Pohl, Yazad Gandhi, Salah Huwais, Edmara Tatiely Pedroso Bergamo, Estevam Augusto Bonfante, Rodrigo Neiva
{"title":"Maxillary sinus membrane perforation rate utilizing osseodensification-mediated transcrestal sinus floor elevation: A multicenter clinical study.","authors":"Ziv Mazor, Joao Gaspar, Robert Silva, Snjezana Pohl, Yazad Gandhi, Salah Huwais, Edmara Tatiely Pedroso Bergamo, Estevam Augusto Bonfante, Rodrigo Neiva","doi":"10.1111/cid.13368","DOIUrl":"https://doi.org/10.1111/cid.13368","url":null,"abstract":"<p><strong>Purpose: </strong>This multicenter cross-sectional clinical study aimed to evaluate the membrane perforation rate during transcrestal sinus floor elevation (TSFE) using osseodensification (OD) burs and assess risk factors associated with the procedure.</p><p><strong>Materials and methods: </strong>This study was conducted in six centers, following ethical standards and approved by local committees. It included patients over 18 years old missing maxillary posterior teeth with crestal residual bone height (RBH) ≥2 and ≤6 mm. Preoperative evaluations were done, including CBCT scans, to assess bone dimensions and sinus health. All centers and surgeons followed a standardized surgical protocol for TSFE using OD burs. Surgical complications, particularly sinus membrane perforations, were recorded and analyzed. Factors such as implant site, premolars or molars, as well as, healed or fresh socket, along with initial RBH were evaluated for their impact on membrane perforation rate. Descriptive statistics, χ<sup>2</sup>, and logistic regression analysis were used to analyze the data.</p><p><strong>Results: </strong>A total of 621 subjects with an average age of 57.9 years were included. Sinus lifting was performed at 670 sites, with 621 implants placed in the maxilla. The majority of sinus lifts were done in the molar region (76.87%) and in healed bone sites (74.33%). The average RBH was 5.1 mm (ranging from 2 to 7 mm). Sinus membrane perforation occurred in 49 cases (7.31%). RBH ≤3 mm posed a risk factor for sinus membrane perforations followed by RBH >3 and ≤5 mm. Tooth region and implant site were not associated as risk factors for sinus membrane perforation.</p><p><strong>Conclusion: </strong>OD drilling used for TSFE resulted in low membrane perforation rate. Challenging scenarios of severe posterior maxillary atrophy presented as risk factors for increased perforation rate.</p>","PeriodicalId":93944,"journal":{"name":"Clinical implant dentistry and related research","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142074811","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}
引用次数: 0
Comparative analysis of dental implant placement accuracy: Semi-active robotic versus free-hand techniques: A randomized controlled clinical trial. 牙科种植体植入准确性的比较分析:半主动机器人与徒手技术:随机对照临床试验
Clinical implant dentistry and related research Pub Date : 2024-08-19 DOI: 10.1111/cid.13375
Fan Yang, Jianping Chen, Ruijue Cao, Qingwei Tang, Haiyan Liu, Yuchen Zheng, BeiLei Liu, Min Huang, Zhenshi Wang, Yude Ding, Linhong Wang
{"title":"Comparative analysis of dental implant placement accuracy: Semi-active robotic versus free-hand techniques: A randomized controlled clinical trial.","authors":"Fan Yang, Jianping Chen, Ruijue Cao, Qingwei Tang, Haiyan Liu, Yuchen Zheng, BeiLei Liu, Min Huang, Zhenshi Wang, Yude Ding, Linhong Wang","doi":"10.1111/cid.13375","DOIUrl":"https://doi.org/10.1111/cid.13375","url":null,"abstract":"<p><strong>Background: </strong>Robot-assisted implant surgery has emerged as a novel digital technology, and the accuracy need further assessment.</p><p><strong>Purpose: </strong>This study aimed to compare the accuracy of single dental implant placement between a novel semi-active robot-assisted implant surgery (RAIS) method and the conventional free-hand implant surgery (FHIS) method through a multicenter, randomized controlled clinical trial.</p><p><strong>Materials and methods: </strong>Patients requiring single dental implant placement were recruited and randomized into RAIS and FHIS group. Deviations at the platform, apex, and angle between the planned and final implant positions were assessed in both groups. Additionally, the evaluation of instrument and surgical complications was examined.</p><p><strong>Results: </strong>A total of 140 patients (median age: 35.35 ± 12.55 years; 43 males, 97 females) with 140 implants from four different research centers were included, with 70 patients (70 implants) in the RAIS group and 70 patients (70 implants) in the FHIS group. In the RAIS and FHIS groups, the median platform deviations were 0.76 ± 0.36 mm and 1.48 ± 0.93 mm, respectively (p < 0.001); median apex deviations were 0.85 ± 0.48 mm and 2.14 ± 1.25 mm, respectively (p < 0.001); and median angular deviations were 2.05 ± 1.33° and 7.36 ± 4.67°, respectively (p < 0.001). Similar significant difference also presented between RAIS and FHIS group in platform vertical/horizontal deviation, apex vertical/horizontal deviation. Additionally, implants with self-tapping characteristics exhibited significantly larger deviations compared with those without self-tapping characteristics in the RAIS group. Both RAIS and FHIS methods demonstrated comparable morbidity and safety pre- and post-operation.</p><p><strong>Conclusions: </strong>The results indicated that the RAIS method demonstrated superior accuracy in single dental implant placement compared with the FHIS method. Specifically, RAIS exhibited significantly smaller deviations in platform, apex, and angular positions, as well as platform and apex vertical/horizontal deviations. This clinical trial was not registered prior to participant recruitment and randomization. https://www.chictr.org.cn/showproj.html?proj=195045.</p>","PeriodicalId":93944,"journal":{"name":"Clinical implant dentistry and related research","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142006133","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}
引用次数: 0
Effect of immediate all-digital restoration of single posterior implants: The SafetyCrown concept on patient-reported outcome measures, accuracy, and treatment time-A randomized clinical trial. 单一后牙种植体即刻全数字化修复的效果:SafetyCrown概念对患者报告结果、准确性和治疗时间的影响--随机临床试验。
Clinical implant dentistry and related research Pub Date : 2024-08-19 DOI: 10.1111/cid.13374
Lukas Waltenberger, Sven Reich, Marcel Zwahlen, Stefan Wolfart
{"title":"Effect of immediate all-digital restoration of single posterior implants: The SafetyCrown concept on patient-reported outcome measures, accuracy, and treatment time-A randomized clinical trial.","authors":"Lukas Waltenberger, Sven Reich, Marcel Zwahlen, Stefan Wolfart","doi":"10.1111/cid.13374","DOIUrl":"https://doi.org/10.1111/cid.13374","url":null,"abstract":"<p><strong>Objective: </strong>The SafetyCrown workflow facilitates the immediate restoration of posterior single sites with the one-abutment/one-time concept. This randomized clinical trial aimed to assess the direct effect of immediate restoration on dental patient-reported outcomes (dPROs), feasibility, implant accuracy, and time.</p><p><strong>Materials and methods: </strong>Participants with a single posterior edentulous site for late implant placement underwent optical impressions, shade selection, and cone beam computed tomography. After virtual treatment planning, they were randomized into the test group and the control group. For the test group, individual definitive hybrid abutments were prefabricated. The next step was a fully guided surgery with printed guides. After the implant was placed using guided surgery, the abutment was inserted. A chairside CAD/CAM workflow was used to provide the patient with a provisional restoration. Implants in the control group were left submerged to heal. Oral health-related quality of life (OHRQoL) was assessed using the OHIP-G14, and dPRO was measured using a 10-item visual analog scale (VAS) questionnaire. Additional measurements of implant accuracy and time were performed. Follow-up was performed 7 to 10 days after implant placement.</p><p><strong>Results: </strong>Thirty-nine participants with 45 restorations were included (test group: 23, control: 22). Immediate restoration was successful in 21 out of 23 implants (91.3%) in the test group. Both groups exhibited decreased OHRQoL without significant intergroup differences, while patient satisfaction was high overall. Test group participants perceived higher benefits and satisfaction with immediate loading than participants in the control group. Implant accuracy averaged 0.60 mm at the shoulder and 0.95 mm at the apex. Operative time was longer in the immediate loading group (61.9 min) than in the control group (32.1 min) (p < 0.001).</p><p><strong>Conclusions: </strong>Considering the limitations, the immediate restoration of late placed posterior implants using the described workflow proved feasible in 21 out of 23 cases. Both groups achieved high patient satisfaction with no differences in OHRQoL during the first week. Patients who received immediate loading rated the benefits very highly and were satisfied with the provisional restoration during the healing period.</p>","PeriodicalId":93944,"journal":{"name":"Clinical implant dentistry and related research","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142006165","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}
引用次数: 0
Alveolar ridge preservation and its impact on marginal bone level changes around dental implants: A retrospective, cohort comparative study. 牙槽嵴保留及其对种植牙周围边缘骨水平变化的影响:一项回顾性队列比较研究。
Clinical implant dentistry and related research Pub Date : 2024-08-19 DOI: 10.1111/cid.13379
Chiara Cinquini, Rossana Izzetti, Annamaria Porreca, Giovanna Iezzi, Marco Nisi, Antonio Barone
{"title":"Alveolar ridge preservation and its impact on marginal bone level changes around dental implants: A retrospective, cohort comparative study.","authors":"Chiara Cinquini, Rossana Izzetti, Annamaria Porreca, Giovanna Iezzi, Marco Nisi, Antonio Barone","doi":"10.1111/cid.13379","DOIUrl":"https://doi.org/10.1111/cid.13379","url":null,"abstract":"<p><strong>Objectives: </strong>This retrospective study compared the outcomes of implants placed in alveolar ridge preservation (ARP) treated sites with those in spontaneously healed (SH) sites.</p><p><strong>Materials and methods: </strong>The study included patients presenting with one implant placed in an ARP-treated socket and one in an SH site. The primary outcome was the comparison of Marginal Bone Level Changes (MBLC). Statistical analysis was performed to identify factors influencing MBLC, including age, gender, smoking, parafunctional habits, and prosthetic emergence angle.</p><p><strong>Results: </strong>Of these, 28 patients (23 females, 82.1%) were included in this analysis. Sockets in the SH group were classified as type I, whereas type II sockets were more common in the ARP group. The SH group exhibited significantly higher MBLC than the ARP group (p = 0.032), with values, respectively, of 1.00 [0.25; 1.62] and 0.40 [0.00; 1.00] mm. Among all evaluated parameters, the performance of ARP was the only factor significantly affecting MBLC (β = -0.72, SE: 0.32, p = 0.026). Age, gender, smoking, parafunctional habits, and prosthetic emergence angle did not significantly affect MBLC.</p><p><strong>Conclusions: </strong>The study shows the potential role of ARP in maintaining stable marginal bone levels around implants. In our sample, ARP significantly reduced MBLC compared with spontaneous healing, highlighting its possible impact in clinical practice for better peri-implant bone stability.</p>","PeriodicalId":93944,"journal":{"name":"Clinical implant dentistry and related research","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142006132","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}
引用次数: 0
Intracellular infection of Cutibacterium acnes in macrophages of extensive peri-implantitis lesions: A clinical case series. 广泛种植体周围炎病变巨噬细胞中的痤疮杆菌胞内感染:临床病例系列。
Clinical implant dentistry and related research Pub Date : 2024-08-13 DOI: 10.1111/cid.13367
Jin-Young Park, Dawool Han, Yuan Park, Eunae Sandra Cho, Jong In Yook, Jung-Seok Lee
{"title":"Intracellular infection of Cutibacterium acnes in macrophages of extensive peri-implantitis lesions: A clinical case series.","authors":"Jin-Young Park, Dawool Han, Yuan Park, Eunae Sandra Cho, Jong In Yook, Jung-Seok Lee","doi":"10.1111/cid.13367","DOIUrl":"https://doi.org/10.1111/cid.13367","url":null,"abstract":"<p><p>Cutibacterium acnes is a facultative anaerobic, gram-positive rod, and a commensal bacterium of the body surface including oral cavity. A causal relationship between C. acnes and chronic granulomatous diseases, such as sarcoidosis and orthopedic implant-associated infections, has been previously reported. Typically, C. acnes has been observed inside macrophages, allowing evasion of host immunity, and triggering a persistent inflammatory response. However, such findings have not been reported in peri-implantitis lesions. In this case series, we collected inflamed tissues from extensive peri-implantitis lesions of eight patients. Out of the eight samples, seven tested positive for the 16 s rRNA gene of C. acnes by polymerase chain reaction, and six were positive by immunohistochemistry. Immunohistochemical staining revealed the presence of C. acnes in the cytoplasm of macrophages, suggesting a role in lesion formation. This finding may enhance our understanding of the pathophysiology of persistent peri-implantitis lesions and provide implications for future therapy.</p>","PeriodicalId":93944,"journal":{"name":"Clinical implant dentistry and related research","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141977504","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}
引用次数: 0
Assessment of the application of a novel three-dimension printing individualized titanium mesh in alveolar bone augmentation: A retrospective study. 评估新型三维打印个性化钛网在牙槽骨增量中的应用:回顾性研究。
Clinical implant dentistry and related research Pub Date : 2024-08-12 DOI: 10.1111/cid.13372
Chang Liu, Jinmeng Li, Shuo Zhang, Hanyu Xiao, Yanying Wang, Jian Zhang
{"title":"Assessment of the application of a novel three-dimension printing individualized titanium mesh in alveolar bone augmentation: A retrospective study.","authors":"Chang Liu, Jinmeng Li, Shuo Zhang, Hanyu Xiao, Yanying Wang, Jian Zhang","doi":"10.1111/cid.13372","DOIUrl":"https://doi.org/10.1111/cid.13372","url":null,"abstract":"<p><strong>Objective: </strong>To assess the clinical and radiographic outcomes of alveolar ridge augmentation using a novel three-dimensional printed individualized titanium mesh (3D-PITM) for guided bone regeneration (GBR).</p><p><strong>Materials and methods: </strong>Preoperative cone-beam computed tomography (CBCT) was used to evaluate alveolar ridge defects, followed by augmentation with high-porosity 3D-PITM featuring circular and spindle-shaped pores. Postoperative CBCT scans were taken immediately and after 6 months of healing. These scans were compared with preoperative scans to calculate changes in bone volume, height, and width, along with the corresponding resorption rates. A statistical analysis of the results was then conducted.</p><p><strong>Results: </strong>A total of 21 patients participated in the study, involving alveolar ridge augmentation at 38 implant sites. After 6 months of healing, the average bone augmentation volume of 21 patients remained at 489.71 ± 252.53 mm<sup>3</sup>, with a resorption rate of 16.05% ± 8.07%. For 38 implant sites, the average vertical bone increment was 3.63 ± 2.29 mm, with a resorption rate of 17.55% ± 15.10%. The horizontal bone increment at the designed implant platform was 4.43 ± 1.85 mm, with a resorption rate of 25.26% ± 15.73%. The horizontal bone increment 2 mm below the platform was 5.50 ± 2.48 mm, with a resorption rate of 16.03% ± 9.57%. The main complication was exposure to 3D-PITM, which occurred at a rate of 15.79%.</p><p><strong>Conclusion: </strong>The novel 3D-PITM used in GBR resulted in predictable bone augmentation. Moderate over-augmentation in the design, proper soft tissue management, and rigorous follow-ups are beneficial for reducing the graft resorption and the incidence of exposure.</p>","PeriodicalId":93944,"journal":{"name":"Clinical implant dentistry and related research","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141972467","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}
引用次数: 0
3D surface defect map for assessing buccolingual profile of single tooth gaps following alveolar ridge preservation. 三维表面缺陷图,用于评估牙槽嵴保留后单齿隙的颊舌侧轮廓。
Clinical implant dentistry and related research Pub Date : 2024-08-11 DOI: 10.1111/cid.13377
Leonardo Mancini, Shayan Barootchi, Miha Pirc, Enrico Marchetti, Ronald E Jung, Lorenzo Tavelli, Daniel S Thoma
{"title":"3D surface defect map for assessing buccolingual profile of single tooth gaps following alveolar ridge preservation.","authors":"Leonardo Mancini, Shayan Barootchi, Miha Pirc, Enrico Marchetti, Ronald E Jung, Lorenzo Tavelli, Daniel S Thoma","doi":"10.1111/cid.13377","DOIUrl":"https://doi.org/10.1111/cid.13377","url":null,"abstract":"<p><strong>Aim: </strong>A new, non-invasive approach suggests using single intraoral optical scanning to analyze the ridge profile of single-tooth gaps following alveolar ridge preservation in the absence of a baseline scan. This method involves creating a three-dimensional (3D) surface map to identify and assess contour changes and ridge profiles based on the adjacent teeth.</p><p><strong>Materials and methods: </strong>The present study was designed as a cross-sectional pilot analysis on a convenience sample of patients undergoing alveolar ridge preservation. Intraoral optical scans were taken on 23 patients, capturing data from 30 edentulous sites. The digital models were then imported into an image analysis software for a 3D surface defect map analysis performed by one examiner. This analysis characterized the buccolingual profile of the single tooth gap relative to the adjacent teeth. 10 linear divergence points, spaced 0.5 mm apart in a corona-apical direction, were identified at the midfacial aspect of the sites. Based on these points the sites were plotted and grouped in three different buccolingual profiles (linear, concave, and convex). Clinical parameters including Keratinized mucosa Width (KMW), and soft tissue phenotype with Colorvue biotype probes were also recorded.</p><p><strong>Results: </strong>Three different buccolingual patterns (linear, convex, and concave) were identified. Seven sites exhibited a linear profile, 10 sites displayed a concave shape, and 13 showed a convex profile. The linear profile had surface discrepancies similar to the neighboring teeth. In contrast, the convex profile revealed mid-buccal discrepancy localized only at the crestal aspect, while the concave had an extended divergence ranging from 1 to 5 mm below the soft tissue margin. Univariate and multiple logistic regression analyses did not reveal any statistically significant variables influencing profilometric analysis; however, when combining phenotype and KMW, thick phenotypes demonstrated a higher proportion of concavity (OR = 4.83) compared to thin ones, suggesting a significant trend. With every 1 mm of increase in KMW, the probability of showing a concavity decreased (p = 0.057).</p><p><strong>Conclusion: </strong>A 3D surface defect map represents a useful tool for objectively quantifying ridge defects and profiles by assessing profilometric and surface differences compared to adjacent dentition using a single intraoral scan. This method also indicates that KMW may play a critical role in preventing concavity defects. The 3D defect map can guide decision-making during soft tissue augmentation procedures by emphasizing the specific location of the defect and providing more detailed insights into its localization. These parameters can enable the tailoring of flap management and soft tissue grafting strategies to address the patient's individual needs.</p>","PeriodicalId":93944,"journal":{"name":"Clinical implant dentistry and related research","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141918337","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}
引用次数: 0
Clinical efficacy of two vertical soft tissue augmentation techniques for peri-implant crestal bone level stability: A randomized clinical trial. 两种垂直软组织增量技术对稳定种植体周围牙槽骨水平的临床疗效:随机临床试验。
Clinical implant dentistry and related research Pub Date : 2024-08-11 DOI: 10.1111/cid.13365
Algirdas Puisys, Egle Vindasiute-Narbute, Dainius Razukevicius, Samuel Akhondi, German O Gallucci, Ignacio Pedrinaci
{"title":"Clinical efficacy of two vertical soft tissue augmentation techniques for peri-implant crestal bone level stability: A randomized clinical trial.","authors":"Algirdas Puisys, Egle Vindasiute-Narbute, Dainius Razukevicius, Samuel Akhondi, German O Gallucci, Ignacio Pedrinaci","doi":"10.1111/cid.13365","DOIUrl":"https://doi.org/10.1111/cid.13365","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to compare the efficacy of two techniques-acellular dermal matrix (ADM) grafting and tenting technique (TT)-for soft tissue height (STH) augmentation simultaneous to implant placement to minimize peri-implant crestal bone level (CBL) changes.</p><p><strong>Methods: </strong>Forty patients with a healed single mandibular posterior edentulous site with a thin soft tissue phenotype were enrolled. Twenty patients received simultaneously to implant placement ADM grafting, while the others received submerged healing abutment (TT). Clinical peri-implant soft tissue height and radiographic CBL changes were measured at restoration delivery and 1-year follow-up.</p><p><strong>Results: </strong>Both techniques effectively increased soft tissue thickness, resulting in a final average STH of 3.4 ± 0.5 mm after augmentation. On average, soft tissue increased by 1.6 ± 0.5 mm in group ADM and by 1.8 ± 0.4 mm in group TT after augmentation. In Group ADM, mesial CBL decreased from 0.4 ± 0.3 mm to 0.1 ± 0.2 mm, and distal CBL decreased from 0.5 ± 0.3 mm to 0.2 ± 0.3 mm over 1 year. In Group TT, mesial CBL remained stable at 0.3 ± 0.2 mm, while distal CBL reduced slightly from 0.5 ± 0.5 mm to 0.3 ± 0.2 mm. Both groups showed minimal changes in CBL, indicating great stability (p<sub>mesial</sub> = 0.003, p<sub>distal</sub> = 0.004). TT was particularly effective in preventing mesial bone loss (p<sub>mesial</sub> = 0.019). The mesial CBL changes significantly differed between groups (p = 0.019), and not significantly at distal sites (p = 0.944). Neither treatment exhibited significant bone remodeling below the implant shoulder.</p><p><strong>Conclusion: </strong>This study suggests that both techniques were successful in STH augmentation, and they may effectively reduce peri-implant crestal bone level changes, with TT being slightly superior. TT was more prone to post-surgical complications. This RCT was not registered before participant recruitment and randomization.</p>","PeriodicalId":93944,"journal":{"name":"Clinical implant dentistry and related research","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141918338","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}
引用次数: 0
Iliac crest vertical block grafts -placing outside or inside the bone contour: A cohort study. 髂嵴垂直块移植--置于骨轮廓外还是骨轮廓内?一项队列研究。
Clinical implant dentistry and related research Pub Date : 2024-08-08 DOI: 10.1111/cid.13370
Christian Mertens, Christopher Büsch, Oliver Ristow, Jürgen Hoffmann, Hom-Lay Wang, Korbinian Jochen Hoffmann
{"title":"Iliac crest vertical block grafts -placing outside or inside the bone contour: A cohort study.","authors":"Christian Mertens, Christopher Büsch, Oliver Ristow, Jürgen Hoffmann, Hom-Lay Wang, Korbinian Jochen Hoffmann","doi":"10.1111/cid.13370","DOIUrl":"https://doi.org/10.1111/cid.13370","url":null,"abstract":"<p><strong>Objective and aim: </strong>Challenging defect configurations and dimensions arise from severe, localized vertical alveolar ridge defects caused by trauma or prior surgery. This study aims to analyze three-dimensional bone gain, assess marginal bone stability in such defect configurations, and evaluate the impact of grafting outside the bone contour on the overall outcome, with a focus on iliac crest block grafts as a valid treatment option.</p><p><strong>Materials and methods: </strong>The prospective cohort study evaluated patients who required vertical block grafting due to localized bone defects in the maxilla or mandible and who had received iliac grafts. Three-dimensional bone gain was analyzed using cone beam computed tomography (CBCT) after 3 months of bone healing for each treated site and implant position. A comparison between bone grafts inside and outside the bone contour was conducted. Marginal bone stability was measured using intraoral radiographs during routine annual follow-up visits.</p><p><strong>Results: </strong>Seventy patients with 89 treated sites were evaluated. After 3 months of graft healing, the mean vertical bone gain was 11.03 ± 3.54 mm, the mean horizontal bone gain was 7.18 ± 2.00 mm, and the mean graft length was 28.19 ± 11.01 mm. A total of 217 implants were placed in the augmented regions. On implant level, a mean vertical bone gain of 10.44 ± 3.44 mm and a mean horizontal bone gain of 6.54 ± 1.86 mm were measured. Over a 43-month observation period, mesial and distal marginal bone loss averaged 0.44 ± 0.92 mm and 0.49 ± 1.05 mm, respectively. Eight implants were diagnosed with periimplantitis, resulting in the loss of four implants, while no early implant losses were reported.</p><p><strong>Conclusion: </strong>Within the limitations of this study, vertical bone grafts with iliac crest block grafts were found to be a dependable treatment option for dental implant placement, and placing block grafts outside the bone contour did not lead to inferior outcomes.</p>","PeriodicalId":93944,"journal":{"name":"Clinical implant dentistry and related research","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141908620","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}
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