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Horizontal bone augmentation

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https://www.readbyqxmd.com/read/29240209/effect-of-deproteinized-bovine-bone-mineral-at-implant-dehiscence-defects-grafted-by-the-sandwich-bone-augmentation-technique
#1
Shih-Cheng Wen, Jia-Hui Fu, Hom-Lay Wang
The aim of this study was to compare the amount of radiographic horizontal buccal bone thickness (BBT) at implant dehiscence defects grafted with the sandwich bone augmentation (SBA) and modified sandwich bone augmentation (MSBA) techniques. Compared to the SBA technique, the MSBA approach involved an additional outer layer of deproteinized bovine bone mineral (DBBM) to maintain the space for bone regeneration for longer periods. A total of 19 patients, each with a buccal implant dehiscence defect, were recruited...
November 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29216869/horizontal-ridge-reconstruction-of-the-anterior-maxilla-using-customized-allogeneic-bone-blocks-with-a-minimally-invasive-technique-a-case-series
#2
Laurent Venet, Michel Perriat, Francesco Guido Mangano, Thomas Fortin
BACKGROUND: Different surgical procedures have been proposed to achieve horizontal ridge reconstruction of the anterior maxilla; all these procedures, however, require bone replacement materials to be adapted to the bone defect at the time of implantation, resulting in complex and time-consuming procedures. The purpose of this study was to describe how to use a 3D printed hardcopy model of the maxilla to prepare customized milled bone blocks, to be adapted on the bone defect areas using a minimally invasive subperiosteal tunneling technique...
December 8, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/29216525/high-refined-carbohydrate-diet-promotes-detrimental-effects-on-alveolar-bone-and-femur-microarchitecture
#3
C C Montalvany-Antonucci, M C Zicker, S Macari, T S F Pereira, I M A Diniz, I Andrade, A V M Ferreira, T A Silva
The impact of high-refined carbohydrate (HC) diet on fat accumulation, adipokines secretion and systemic inflammation is well described. However, it remains unclear whether these processes affect bone remodeling. OBJECTIVE: To investigate the effects of HC diet in the alveolar bone and femur parameters. METHODS: BalbC mice were fed with conventional chow or HC diet for 12 weeks. After experimental time maxillae, femur, blood and white adipose tissue samples were collected...
November 28, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29209669/comparison-of-alveolar-ridge-splitting-and-autogenous-onlay-bone-grafting-to-enable-implant-placement-in-patients-with-atrophic-jaw-bones
#4
Gokhan Gurler, Cagri Delilbasi, Hasan Garip, Sukran Tufekcioglu
To compare alveolar ridge splitting (ARS) and autogenous onlay bone grafting (AOBG) in atrophic jaw bones.  Methods: Forty patients were included in this retrospective, parallel-group study conducted at the Istanbul Medipol University School of Dentistry, Istanbul, Turkey, between 2012-2015. The initial bone thickness was measured by cone beam computed tomography (CBCT). Patients were allocated into ARS (n=17) and AOGB (n=23) groups on the basis of ridge thickness and shape. Follow-up CBCT measurements to assess horizontal bone were repeated 4 to 6 months post augmentation...
December 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/29202263/does-graft-particle-type-and-size-affect-ridge-dimensional-changes-after-alveolar-ridge-split-procedure
#5
Mohit G Kheur, Supriya Kheur, Tabrez Lakha, Shantanu Jambhekar, Bach Le, Vinay Jain
PURPOSE: The absence of an adequate volume of bone at implant sites requires augmentation procedures before the placement of implants. The aim of the present study was to assess the ridge width gain with the use of allografts and biphasic β-tricalcium phosphate with hydroxyapatite (alloplast) in ridge split procedures, when each were used in small (0.25 to 1 mm) and large (1 to 2 mm) particle sizes. PATIENTS AND METHODS: A randomized controlled trial of 23 subjects with severe atrophy of the mandible in the horizontal dimension was conducted in a private institute...
December 1, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29194937/age-related-new-bone-formation-following-the-use-of-cancellous-bone-block-allografts-for-reconstruction-of-atrophic-alveolar-ridges
#6
Joseph Nissan, Roni Kolerman, Liat Chaushu, Marilena Vered, Sarit Naishlos, Gavriel Chaushu
BACKGROUND: An age-related decrease in the number of osteogenic progenitor cells may compromise bone augmentation. PURPOSE: Histomorphometrical assessment of age-related new bone formation, following atrophic alveolar ridge reconstruction, using cancellous bone-block allografts. MATERIAL AND METHODS: Ninety-three consecutive patients (58 females and 35 males) were referred for implant-supported restoration of 122 severe atrophic alveolar ridges...
December 1, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29181402/effects-of-rhbmp-2-loaded-titanium-reinforced-collagen-membranes-on-horizontal-bone-augmentation-in-dogs
#7
Ki-Sun Lee, Yu-Sung Jeon, Sang-Wan Shin, Jeong-Yol Lee
The aim of this study was to evaluate the efficacy of growth factor loaded collagen membranes on new bone formation during horizontal bone augmentation. Mandibular defects (4 × 4 × 4 mm) were surgically prepared in six male beagle dogs, which were then protected with one of three types of membranes: (1) titanium mesh, (2) titanium reinforced collagen, or (3) rhBMP-2 loaded titanium reinforced collagen. Animals were euthanized 8 and 16 weeks after surgery, and nondecalcified specimens were prepared and histomorphologically investigated to determine the degree of osteogenesis...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29174105/clinical-outcomes-of-dental-implants-after-use-of-tenting-for-bony-augmentation-a-systematic-review
#8
REVIEW
F Pourdanesh, M Esmaeelinejad, F Aghdashi
The reconstruction of severely atrophic ridges is often challenging and complicated. We searched the Medline, Embase, and Cochrane databases for articles up to October 2015 that reported the success of all types of tenting for bony regeneration. We extracted data on the size and site of the defect, the number of patients, vertical and horizontal augmentation, survival of dental implants, and complications. Thirteen studies were included, which yielded data on 423 patients with 1111 dental implants. Follow-up periods were more than five years, severely resorbed mandibles were augmented vertically by up to 10mm, and the survival rate of the implants was over 97%...
November 21, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29150957/randomized-controlled-clinical-two-center-study-using-xenogeneic-block-grafts-loaded-with-recombinant-human-bone-morphogenetic-protein-2-or-autogenous-bone-blocks-for-lateral-ridge-augmentation
#9
Daniel S Thoma, Michael Payer, Norbert Jakse, Stefan P Bienz, Jürg Hüsler, Patrick R Schmidlin, Ui-Won Jung, Christoph H F Hämmerle, Ronald E Jung
OBJECTIVES: to test whether or not the use of a xenogeneic block loaded with recombinant human bone morphogenetic protein-2 (rhBMP-2) results in different bone quantity and quality compared to an autogenous bone block. MATERIALS AND METHODS: 24 patients with insufficient bone volume for implant placement were randomly assigned to two treatment modalities: a xenogeneic bone block loaded with rhBMP-2 (test) or an autogenous bone block (control). The horizontal ridge width was evaluated prior to augmentation, after augmentation and at 4 months...
November 18, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29148597/three-dimensional-analysis-of-bone-remodeling-following-ridge-augmentation-of-compromised-extraction-sockets-in-periodontitis-patients-a-randomized-controlled-study
#10
Mario Aimetti, Valeria Manavella, Lisa Corano, Elena Ercoli, Cristina Bignardi, Federica Romano
OBJECTIVES: The aim of this study was to analyze linear and volumetric hard tissue changes in severely resorbed alveolar sockets after ridge augmentation procedure and to compare them with spontaneous healing using three-dimensional cone beam computed tomography (CBCT). MATERIAL AND METHODS: Thirty patients (mean age 53.2 ± 6.3 years) requiring tooth extraction for advanced periodontitis were randomly allocated to test and control groups. The test sites were grafted using a collagenated bovine-derived bone (DBBM-C) covered with a collagen membrane, while control sites had spontaneous healing...
November 17, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29135351/human-studies-of-vertical-and-horizontal-alveolar-ridge-augmentation-comparing-different-types-of-bone-graft-materials-a-systematic-review
#11
Suraj Chavda, Liran Levin
Alveolar ridge augmentation can be completed with various types of bone augmentation materials (autogenous, allograft, xenograft & alloplast). Currently autogenous bone is labelled as the "gold standard" due to faster healing times and integration between native and foreign bone. No systematic review has currently determined whether there is a difference of implant success between various bone augmentation materials. The purpose of this paper was to systematically review comparative human studies of vertical and horizontal alveolar ridge augmentation comparing different types of bone graft materials (autogenous, allograft, xenograft & alloplast)...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29120889/bone-resorption-during-submerged-healing-after-guided-bone-regeneration-a-prospective-case-series
#12
Yong Hur, Yumi Ogata, Douglas W Kim, Charles M Pham, Tae-Ho Yoon, Hirokazu Ogata
OBJECTIVE: The aim of this study was to evaluate bone resorption quantitatively during the healing period subsequent to ridge augmentation. MATERIALS AND METHODS: Sixteen patients requiring vertical ridge augmentation before implant placement were recruited in the study. The study used an allograft and nonresorbable membrane. A custom acrylic stent was used to measure changes in bone volume. Augmented bone was compared with remaining bone 6 months after guided bone regeneration (α = 0...
December 2017: Implant Dentistry
https://www.readbyqxmd.com/read/29117045/bone-augmentation-using-allogeneic-bone-blocks-with-recombinant-bone-morphogenetic-protein-2
#13
Craig M Misch
PURPOSE: Because of limitations of the absorbable collagen sponge (ACS), recombinant bone morphogenetic protein (rhBMP-2) requires a scaffolding device for ridge augmentation. MATERIALS AND METHODS: Twenty-one patients were treated with 37 allogeneic block grafts and rhBMP-2/ACS. Cone-beam computed tomography (CBCT) was used to measure the ridge at 2 points preoperatively, postoperatively, and after graft healing. Dental implants were placed after 6 months of healing...
November 6, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/29064770/managing-titanium-mesh-exposure-with-the-partial-removal-of-the-exposed-site-a-case-series-study
#14
Aladdin Al-Ardah, Abdulaziz AlHelal, Periklis Proussaefs, Bader AlBader, Abdulakareem A Al Humaidan, Jaime Lozada
This case series report aimed at evaluating the efficacy of addressing exposure of the Titanium mesh by sectioning the exposed portion of the mesh and allowing the remaining portion in place while bone maturation is complete. The use of Titanium mesh for localized alveolar ridge augmentation was evaluated with clinical and radiographic analysis. Materials and methods in the current case series report includes four consecutively treated patients where a titanium mesh was utilized as a barrier for localized alveolar ridge augmentation and exposure of the mesh occurred after the alveolar ridge augmentation procedure...
October 24, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29038630/effect-of-alveolar-segmental-sandwich-osteotomy-on-alveolar-height-a-preliminary-study
#15
Karan S Mehta, Kavitha Prasad, Vibha Shetty, Krishnappa Ranganath, R M Lalitha, Jayashree Dexith, Sejal K Munoyath, Vineeth Kumar
PURPOSE: Bone loss following extraction is maximum in horizontal dimension. Height is also reduced which is pronounced on the buccal aspect. Various surgical procedures are available to correct the bone volume viz. GBR, onlay bone grafting, alveolar distraction and sandwich osteotomy. Sandwich osteotomy has been found to increase the vertical alveolar bone height successfully. OBJECTIVES: The objective of the study was to assess the effect of alveolar segmental sandwich osteotomy on alveolar height and crestal width...
December 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29023619/the-sinus-membrane-maxillary-lateral-wall-complex-histologic-description-and-clinical-implications-for-maxillary-sinus-floor-elevation
#16
Angel Insua, Alberto Monje, Istvan Urban, Laura G Kruger, Carlos Garaicoa-Pazmiño, James V Sugai, Hom-Lay Wang
Maxillary sinus floor elevation has been documented as a safe and predictable procedure for gaining vertical bone height in the atrophic posterior maxillae. Conversely, there is a lack of basic research on the characteristics of the union between the sinus membrane (SM) and the bone. Clinical implications of an impaired union in healthy or pathologic membranes remain unknown. The objective of this study was to present a comprehensive histologic and morphologic description of the sinus membrane-lateral bone wall complex...
November 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28975415/contour-changes-after-guided-bone-regeneration-of-large-non-contained-mandibular-buccal-bone-defects-using-deproteinized-bovine-bone-mineral-and-a-porcine-derived-collagen-membrane-an-experimental-in-vivo-investigation
#17
I Sanz-Martin, L Ferrantino, F Vignoletti, J Nuñez, N Baldini, M Duvina, J Alcaraz, M Sanz
OBJECTIVE: The objective of this study was to evaluate soft tissue contour changes after three different regenerative therapies in chronic ridge defects. MATERIAL AND METHODS: Buccal bone defects were created in the mandible of nine beagle dogs. Augmentation procedures were performed 3 months later using a bone replacement graft (BRG), resorbable collagen membrane (MBG), or a combination of both procedures (CBG). Silicone impressions were taken before tooth extraction (T1), before the augmentation procedure (T2), and 3 months after the regenerative surgeries (T3)...
October 3, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28938035/guided-bone-regeneration-with-collagen-membranes-and-particulate-graft-materials-a-systematic-review-and-meta-analysis
#18
Bastian Wessing, Stefan Lettner, Werner Zechner
PURPOSE: The aim of this meta-analysis was to evaluate different methods for guided bone regeneration using collagen membranes and particulate grafting materials in implant dentistry. MATERIALS AND METHODS: An electronic database search and hand search were performed for all relevant articles dealing with guided bone regeneration in implant dentistry published between 1980 and 2014. Only randomized clinical trials and prospective controlled studies were included...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28887721/narrow-implants-2-75-and-3-25%C3%A2-mm-diameter-supporting-a-fixed-splinted-prostheses-in-posterior-regions-of-mandible-one-year-results-from-a-prospective-cohort-study
#19
Tommaso Grandi, Luigi Svezia, Giovanni Grandi
BACKGROUND: Can multiple splinted narrow-diameter implants be used as definitive implants in patients with insufficient bone ridge thickness in posterior regions of the mandible? With this aim, we evaluated their outcomes in this set up to 1 year after loading. METHODS: Forty-two patients with a mean age of 61.3 years old (range 49-73) in need of fixed prosthetic implant-supported rehabilitations in the posterior region of the mandible, presenting a thin alveolar crest, were selected...
September 8, 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28861284/alveolar-socket-preservation-with-demineralised-bovine-bone-mineral-and-a-collagen-matrix
#20
Carlo Maiorana, Pier Paolo Poli, Matteo Deflorian, Tiziano Testori, Federico Mandelli, Heiner Nagursky, Raffaele Vinci
PURPOSE: The aim of the present study was to evaluate the healing of post-extraction sockets following alveolar ridge preservation clinically, radiologically, and histologically. METHODS: Overall, 7 extraction sockets in 7 patients were grafted with demineralised bovine bone mineral and covered with a porcine-derived non-crosslinked collagen matrix (CM). Soft tissue healing was clinically evaluated on the basis of a specific healing index. Horizontal and vertical ridge dimensional changes were assessed clinically and radiographically at baseline and 6 months after implant placement...
August 2017: Journal of Periodontal & Implant Science
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