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Effect Of Platform Switching Size And Vertical Implant Depth On Crestal Bone Remodeling An Histological Animal Study
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Book Synopsis Effect of Platform Switching Size and Vertical Implant Depth on Crestal Bone Remodeling- an Histological Animal Study by : Leticia Pu00e9rez
Download or read book Effect of Platform Switching Size and Vertical Implant Depth on Crestal Bone Remodeling- an Histological Animal Study written by Leticia Pu00e9rez and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Background: Functional and dimensional maintenance of the soft tissue seal in dental implants can determinate better long-term condition, and an adequate amount of bone around the implant reduces the risk of the abutment loosening from the implant. Aim: The present animal study aimed to analyze the possible relationship between the combination of different platform switching and vertical implant depth and remodeling of the crestal bone. Material and Methods: Sixty conical Morse taper dental implants were placed in the tibia of 15 rabbits, hence 2 implants per tibia. Three different implant diameters were used, 3.5-mm, 4.0-mm and 4.5-mm (n=3x20 implants). The implants were placed either 1-mm or 2.0-mm subcortically, based on a randomized allocation. A transmucosal healing abutment with a diameter of 3.3 mm and height of 3.5 mm was secured to the implants. Eight weeks after the implantation surgery, histological samples were prepared and analyzed quantitatively. The extent of new bone formation was appraised by two measurements. I.e., the relative area of new bone formed between the osteotomy wall and the vertical surface of the abutment (%), and the height from the implant shoulder to the most cervical crest of the new bone (mm). Parametric and nonparametric statistical tests were applied to assess the significance of observed group differences (n+6x10 implants). Results; New bone formation between the osteotomy wall and the vertical surface of the abutment cervically to the implant shoulder was observed in all 6 groups. The highest and lowest new bone formation measured by the bone height was observed respectively for the 3.5 mm implants placed 2 mm subcrestally (1.2 mm) versus the 4.0 and 4.5 mm implants placed 1 mm subcrestally (0.6 mm) (p120%) and the 4 and 4.5 mm (~55%) implants. Conclusions: In this animal model, both the implant diameter and vertical placement level influence the crestal bone behavior during the healing process.
Book Synopsis Influence of Diameter and Placement Depth on Crestal Bone Remodeling Around Morse-taper Implants- an Experimental Study in Rabbits by : Castro Guillermo
Download or read book Influence of Diameter and Placement Depth on Crestal Bone Remodeling Around Morse-taper Implants- an Experimental Study in Rabbits written by Castro Guillermo and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Objectives: The purpose of this study was to evaluate the influence of diameter and implant installation depth in the behavior of perimplant crestal bone in rabbit tibia.Materials and Methods: Sixty conical Morse taper dental implants were divided into three groups in accordance with the diameter (n=20 per group): Group G1 implants with 3.5-mm in diameter; Group G2 implants with 4.0-mm in diameter; and, Group G3 implants with 4.5-mm in diameter. All implants presented full surface treatment and 8-mm in length. The implants were installed in the rabbit tibias (2 per tibia) in 2 different positions related to the cortical level (n=10 per group): 1-mm (l1) and 2.0-mm (l2). All tibia samples with the implants were removed after 8 weeks and treated for histological analysis. After slice cuts, the histological pieces were analyzed quantitatively regards to the total area of new bone in relation of the space generated after the osteotomy and the abutment and, regards to bone height from implant shoulder to more crestal bone. The obtained values were computed and analyzed statistically through the ANOVA test (inside the groups) and the using the T-test among the groups for same bone level.Results: All groups presented a new bone growth inside of the generate space (osteotomy to healing abutment) over the implant platform. However, statistical differences of percentage area on the implant platform and the crestal bone height, showed a significant difference (p
Book Synopsis Influence of Implant Placement Depth and Soft Tissue Thickness on Crestal Bone Stability Around Implants with and Without Platform Switching. A Comparative Clinical Trial by : Algirdas Puisys
Download or read book Influence of Implant Placement Depth and Soft Tissue Thickness on Crestal Bone Stability Around Implants with and Without Platform Switching. A Comparative Clinical Trial written by Algirdas Puisys and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent studies by Linkevicius et al. have found that platform switching does not prevent crestal bone resorption if surrounding soft tissues are thin vertically. One of suggested ways how to avoid crestal bone loss in those cases, is to place implant subcrestally, hoping that controlled bone remodelling will occur which will increase soft tissue thickness. However this treatment mode is still not well researched, especially with properly designed control group.Aim of the study is to measure early crestal bone changes around subcrestally placed dental implants, surrounded by thin soft tissue and to compare with regular platform implants, placed in supracrestal position and, surrounded by thick soft tissue.Implants with matching connection in naturally thick soft tissues experienced minor bone remodelling, implants with platform switching surrounded by thin soft tissues had moderate crestal bone resorption, inspite of subcrestal implant placement.
Book Synopsis The Effect of Platform Switching and Crestal Placement on Marginal Bone Loss - a Systematic Review with Meta-analysis by : Itani Sarah
Download or read book The Effect of Platform Switching and Crestal Placement on Marginal Bone Loss - a Systematic Review with Meta-analysis written by Itani Sarah and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Maintaining marginal bone level is a key factor that contributes to the preservation of peri-implant soft tissues and to the prosthetic success. The aim of this study was to systematically review the combined effect of platform switching with implant placement depth on marginal bone loss.An electronic search was conducted up to March 2017. One-piece implants and immediate post-extractive implants were excluded. The mean differences between groups were calculated using the inverse variance method with a random effects model.Twenty studies were included in the meta-analysis. More marginal bone loss was observed around platform-matched implants at 12 months after prosthetic loading (-0.38mm (-0.49; -0.27)). Among platform-switched implants, more marginal bone loss was observed around implants placed subcrestally (-0.67mm (-1.31; -0.03)).Further studies are needed to compare marginal bone loss around (1) platform-matched implants placed at different depths and (2) platform-switched implants placed at crestal versus supracrestal levels.
Book Synopsis Influence of Subcrestal Implant Placement Or Use of 2 Mm Healing Abutment to Stabilise Crestal Bone in Thin Tissue Patients by : Rokas Linkevicius
Download or read book Influence of Subcrestal Implant Placement Or Use of 2 Mm Healing Abutment to Stabilise Crestal Bone in Thin Tissue Patients written by Rokas Linkevicius and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: It was proved that vertically thin soft thickness might be an important factor in development of early crestal bone loss, therefore several methods were advanced how to increase soft tissue thickness. Some authors claim, that subcrestal placement of implant and subsequent controlled bone remodelling can accommodate the problem. Another method suggests to increase soft tissue thickness by placing implant at the bone level with 2 mm height healing abutment and suture soft tissues over.The aim of the study was fourfold - to register crestal bone stability around (1) 1.5 mm subcrestally placed implants; and (2) epicrestally placed implants with 2 mm healing abutments; to (3) register bone remodelling in subcrestal group; (4) determine how vertical soft tissue has increased in epicrestal group, compared to initial situation.24 patients with vertically thin tissues of 2 mm or less received 24 submerged bone level platform-switched implants (Conelog, Camlog, Basel, Switzerland). Implants were divided into 2 equal groups u2013 (1) 1.5 mm subcrestally placed implants and (2) epicrestal implants with 2 mm healing abutments. At II stage surgery, all implants received 4 mm healing screws and later restored with Zr screw-retained single crowns, radiological images taken at II stage surgery and after 1 y follow-up. Bone loss was calculated as a distance between implant neck and first radiographically visible bone-to-implant contact and measured in both groups. Additionally, in subcrestal group bone remodelling was calculated as a distance between bone crest and implant neck. Mann-Whitney U-test was used for statistical analysis, significance set to 0.05.After 1 y follow-up, 1 (subcrestal) group had 0.06 (0.07 SD) mm of bone loss, while 2 group (epicrestal with 2 mm healing abutment) had 0.11 (0.14 SD) mm of bone loss, with statistically significant difference (P=0.005). Bone remodelling in group 2 (subcrestal) was 0.55 (0.3 SD) and was significantly larger compared to bone loss of subcrestal (P=0.001) and epicrestal groups (P=0.003). Vertical tissue thickness in epicrestal group before intervention was 2.30 (0.26 SD) and 3.65 (0.41 SD) after use of 2 mm healing abutment, with statistical difference (P=0.005).The novelty of the study is that crestal bone loss and bone remodelling as discussed as separate outcomes. Bone loss was calculated as a distance between implant neck and first radiographically visible bone-to-implant contact, while bone remodelling was calculated as a distance between bone crest and implant neck. Both groups had only minor crestal bone loss and could be used as a method to reduce bone loss in vertically thin tissues. However, it is interesting to note that bone remodelling in subcrestal group was larger than bone loss in both groups. In addition, the use of 2 mm healing abutment, as a method to increase soft tissue thickness and reduce bone loss was established.
Book Synopsis Influence of Implant Neck Surface and Placement Depth on Crestal Bone Changes Around Platform‐Switched Implants: A Clinical and Radiographic Study in Dogs by :
Download or read book Influence of Implant Neck Surface and Placement Depth on Crestal Bone Changes Around Platform‐Switched Implants: A Clinical and Radiographic Study in Dogs written by and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Comparative Evaluation of the Crestal Bone Loss Seen Around Platform Switched and Platform Matched Implants by : Herekar Manisha
Download or read book A Comparative Evaluation of the Crestal Bone Loss Seen Around Platform Switched and Platform Matched Implants written by Herekar Manisha and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Statement of problem: The peri-implant bone level has been used as one of the criteria to assess the success of dental implants. Bone resorption was accepted as a physiologic response to second-stage implant uncovering An average of 1.2 mm of bone loss around submerged two-piece implants in the first year following restoration was noted. The concept of platform switching was proposed to reduce crestal bone loss around implants. Purpose: This study was attempted to study the influence of platform switching on the marginal bone level alterations around implantsMaterials and Methods: 60 implant sites were divided into two groups i.e a test group and a control group. The test group comprised of platform switched implants and the control group comprised of platform matched implants Radiologic assessment was done at varying time intervals after uncovering of the implant.Results: A Comparison of mean bone loss between platform matched and platform switched abutment as noted on the mesial side showed a non-significant difference (p value=0.92) while on the distal side statistically significant difference was noted. Comparison of the results between 2 groups at 1,2 4,6 months of post abutment placement on the distal side showed a statistically significant difference. (p value=0.024).Conclusion: It was noted that bone loss is more in platform matched abutments as compared to platform switched abutments. It can thus be concluded that platform switching results in peri-implant bone preservation and also has esthetic benefits.
Book Synopsis Impact of Different Placement Depths on the Crestal Bone Level of Immediate Versus Delayed Placed Platform-switched Implants by : Elika Madani
Download or read book Impact of Different Placement Depths on the Crestal Bone Level of Immediate Versus Delayed Placed Platform-switched Implants written by Elika Madani and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bone Changes Above Implant Neck of Subcrestally Placed Implants. Early Report from RCT of Implant and Abutment Level Treatment by : Valda Valantiejienu0117
Download or read book Bone Changes Above Implant Neck of Subcrestally Placed Implants. Early Report from RCT of Implant and Abutment Level Treatment written by Valda Valantiejienu0117 and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In this clinical study an uncommon situation was determined observing crestal bone changes above the implant neck while observing bone level implants with platform switching (V3, MIS) placed subrestally about 1.5 mm. In the test group, after randomization, 3 mm height intermediate multiunit abutment (CONNECT) was torqued to implant (at 30 Ncm) during the surgery, while other implants received regular healing abutment and served as a control. The bone level above the implant/abutment junction after final crown delivery was measured between, 1) implants with crowns mounted on a Ti-base affixed to the implant neck that underwent 4 ADs, 2) implants with crowns affixed to a 1-time abutment torqued to the implant during surgery that underwent no AD after 1 month post-delivery. According to clinical data the use of intermediate multiunit abutment (CONNECT) significantly reduces crestal bone remodeling around subcrestally positioned implants.
Book Synopsis Soft Tissue Healing Around Platform Matched and Switched Dental Implants by : Hsiu-Wan Meng
Download or read book Soft Tissue Healing Around Platform Matched and Switched Dental Implants written by Hsiu-Wan Meng and published by . This book was released on 2013 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Background: Platform switching is an innovative concept in which diameter mismatch is created between the implant body and the crown holder. Recent studies have shown that such a mismatch may prevent crestal bone loss around implants. Although this concept has been applied to clinical practice, its mechanism of action has not been fully understood. Several theories have been suggested to explain its effect on peri-implant tissue; however, no information on the cytokine profiles of the peri-implant crevicular fluid (PICF) around platform switched implants has been documented. The purpose of this study is to investigate soft tissue response around platform switched (PS) implants compared to platform matched (PM) implants.
Author :Arwa Ali Al-Sayyed Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780315870178 Total Pages :76 pages Book Rating :4.8/5 (71 download)
Book Synopsis Bone Remodeling by : Arwa Ali Al-Sayyed
Download or read book Bone Remodeling written by Arwa Ali Al-Sayyed and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1993 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Peri-implant Bone and Soft Tissue Evaluation in Extra Short Dental Implants Installed in Healed Alveolar Sites- A Histologic Study in Dogs by : Hilde Morales
Download or read book Peri-implant Bone and Soft Tissue Evaluation in Extra Short Dental Implants Installed in Healed Alveolar Sites- A Histologic Study in Dogs written by Hilde Morales and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Objective:The aim of this study was to compare the behavior of peri-implant tissues in two different extra short implants design during osseointegration of crestal placement in maxilla dogs.Materials and Methods:Eight Short DM 5 x 4 mm (Bioner, Spain) delayed implants were placed in each hemimaxilla of 6 dogs at the bone crest level. Four implants of each design (big and small platform) were randomizedinstalled.After 12-week of healing period, histomorphometric analyses of the specimens were carried out to measure the crestal bone level values and the tissue thickness in theimplant shoulderportion. The data were compared using the one-way ANOVA statistical tests (u03b1= 5%).Results:In the microscopic analysis of thecrestal bone remodeling, the distance from the implant shoulder to the first bone-to-implant contact was higher for implants installed with small platform in the buccal aspect with statistical significance (P
Book Synopsis Impact of different placement dephts on the crestal bone level of immediate versus delayed placed platform-switched implants by : Elika Madani
Download or read book Impact of different placement dephts on the crestal bone level of immediate versus delayed placed platform-switched implants written by Elika Madani and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Implants in the Aesthetic Zone by : Todd R. Schoenbaum
Download or read book Implants in the Aesthetic Zone written by Todd R. Schoenbaum and published by Springer. This book was released on 2018-11-19 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book concisely elucidates the science underlying implant treatment in the aesthetic zone in partially edentulous patients and clearly describes the techniques and protocols used by world-leading experts in the field. The book is divided into four parts that address treatment planning; site preparation (hard and soft tissue augmentation); immediate implant placement and provisional restoration; and the design, fabrication, and delivery of the definitive implant prosthesis. Complex cases of this nature present a significant challenge to even the most well informed and experienced of doctors. Implants in the Aesthetic Zone has been specifically crafted to meet all the needs of the clinician involved in their management, providing a reliable road map for interdisciplinary implant treatment in clinical practice. The authors have been carefully selected from a wide range of fields for their expertise in particular areas of implant science or treatment.
Book Synopsis Implants in the Esthetic Zone by : Ueli Grunder
Download or read book Implants in the Esthetic Zone written by Ueli Grunder and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Animal Models in Orthopaedic Research by : Yuehuei H. An
Download or read book Animal Models in Orthopaedic Research written by Yuehuei H. An and published by CRC Press. This book was released on 2020-04-30 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt: Animal Models in Orthopaedic Research is a reference book of the major animal models used in the study of orthopaedic conditions and in the in vivo study of biomaterials. Use of animal models provides important knowledge about pathological conditions that can eventually lead to the development of more effective clinical treatment of diseases in bot
Book Synopsis Evidence-Based Implant Dentistry by : Oreste Iocca
Download or read book Evidence-Based Implant Dentistry written by Oreste Iocca and published by Springer. This book was released on 2016-09-28 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers all aspects of implant dentistry, presenting up-to-date information that reflects the highest level of scientific evidence as presented in the specialized literature. Among the topics addressed by expert authors are the prognosis of natural tooth versus implant restorations, bone response to implant treatment, placement and loading time, implant design and length, platform design, implant abutments, prosthodontic treatment, reconstructive surgery, and periimplantitis. The amount of data available for the clinician working in the field of implantology is huge and constantly increasing. The task of remaining abreast of the latest evidence and applying it effectively in clinical practice is further hindered by the fact that many scientific papers make contradictory claims and contain methodological flaws and biases that generate confusion and lack of reliability. Against this background, Evidence-Based Implant Dentistry will serve the reader as a dependable and scientifically supported guide to current implant treatment and key issues in the field.
