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https://www.readbyqxmd.com/read/28402357/immediate-functional-loading-of-one-piece-zirconia-implants-in-a-full-arch-maxillary-restoration-a-five-year-case-report
#1
Burghard Peter
Immediate loading has proven to be a predictable modality for restorations with titanium dental implants. An increasing number of articles indicate that zirconia implants might osseointegrate to a similar extent in this context. This 5-year case report describes an outpatient maxillary restoration with eight immediately loaded zirconia implants. Implantation followed extensive bone augmentation. At the 5-year follow-up, all implants were still well osseointegrated clinically and radiologically. No major bone loss or peri-implantitis had occurred in spite of temporary insufficient patient compliance...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28402354/simultaneous-ridge-augmentation-and-accelerated-molar-uprighting-for-implant-site-development-two-case-reports-with-a-split-mouth-design
#2
Chin-Wei Wang, Michelle Yuching Chou, Rebecca Chen, Todd Rowe, Mohamed Masoud, David M Kim, Giuseppe Intini
Well-coordinated interdisciplinary dental treatments provide the best esthetic, functional, and long-term results for patients. However, the length of such treatment, which may involve orthodontics, ridge augmentation, and dental implants, often deters patients from pursuing them. The two case reports presented here aim to present the advantage of simultaneous orthodontic molar uprighting and ridge augmentation procedures for future implant site development. Selective decortication of the alveolar bone, performed simultaneously with bone grafting, can accelerate the tooth uprighting process and synergistically reduce treatment duration...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28402345/mandibular-regional-anatomical-landmarks-and-clinical-implications-for-ridge-augmentation
#3
Istvan A Urban, Alberto Monje, Hom-Lay Wang, Jaime Lozada, Gabor Gerber, Gabor Baksa
Mandibular ridge augmentation via guided bone regeneration in the atrophic mandible is considered one of the most challenging scenarios for implant-supported oral rehabilitation. Uneventful wound healing has clearly demonstrated its impact on the final regenerative outcome. Soft tissue management must be precise and adequate to attain flap-free wound closure. Accordingly, it demands exhaustive insight and expertise to avoid damaging the neighboring structures. The cadaver study described herein discusses the mandibular morphologic landmarks (ie, musculature, vascularization, innervation, and salivary glands) necessary to safely perform regenerative procedures in the atrophic mandibular ridge, such as vertical ridge augmentation and dental implant surgery...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28390758/alternative-distraction-osteogenesis-technique-after-implant-placement-for-alveolar-ridge-augmentation-of-the-maxilla
#4
Renato Luiz Maia Nogueira, Rafael Lima Verde Osterne, Ricardo Teixeira Abreu, Phelype Maia Araújo
An alternative technique to reconstruct atrophic alveolar vertical bone after implant placement is presented. The technique consists of distraction osteogenesis or direct surgical repositioning of an implant-and-bone block segment after segmental osteotomies that can be used in esthetic or unesthetic cases. Initially, casts indicating the implant position are obtained and the future ideal prosthetic position is determined to guide the model surgery. After the model surgery, a new provisional prosthesis is fabricated, and an occlusal splint, which is used as a surgical guide and a device for distraction osteogenesis, is custom fabricated...
March 18, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28388398/transalveolar-osteotomy-of-the-mandibular-canal-wall-for-the-treatment-of-severely-atrophied-posterior-mandible
#5
Eduardo Anitua, Sabino Padilla, Mohammad H Alkhraisat
PURPOSE: Treatment of severe bone atrophy of the posterior mandible requires an advanced surgical bone augmentation technique. This report describes a minimally invasive approach for a residual alveolar height less than 5 mm. MATERIAL AND METHODS: A retrospective case series was conducted in a single private dental clinic. Outcome variables were dental implant survival rate, intraoperative complications, occurrence of neurosensory disturbances, and marginal bone loss...
March 15, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28386853/assessment-of-bone-regeneration-of-a-tissue-engineered-bone-complex-using-human-dental-pulp-stem-cells-poly-%C3%AE%C2%B5-caprolactone-biphasic-calcium-phosphate-scaffold-constructs-in-rabbit-calvarial-defects
#6
Natkrita Wongsupa, Thongchai Nuntanaranont, Suttatip Kamolmattayakul, Nuttawut Thuaksuban
The objective of the present study was to investigate the effect of a fabricated combination of poly-ɛ-caprolactone (PCL)-biphasic calcium phosphate (BCP) with the modified melt stretching and multilayer deposition (mMSMD) technique on human dental pulp stem cell (hDPSC) differentiation to be osteogenic like cells for bone regeneration of calvarial defects in rabbit models. hDPSCs extracted from human third molars were seeded onto mMSMD PCL-BCP scaffolds and the osteogenic gene expression was tested prior to implantation in vivo...
May 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28370489/volumetric-changes-and-peri-implant-health-at-implant-sites-with-or-without-soft-tissue-grafting-in-the-esthetic-zone-a-retrospective-case-control-study-with-a-5-year-follow-up
#7
Stefan P Bienz, Ronald E Jung, Vitor M Sapata, Christoph H F Hämmerle, Jürg Hüsler, Daniel S Thoma
OBJECTIVES: To evaluate the volumetric changes and peri-implant health at implant sites with and without previous soft tissue grafting over a 5-year observation period. MATERIAL AND METHODS: In 18 partially edentulous patients, dental implants were placed in the esthetic zone (15-25) with simultaneous guided bone regeneration, followed by submerged healing. During the healing phase, eight patients (test) received a subepithelial connective tissue graft, whereas 10 patients (control) did not receive any soft tissue augmentation...
March 29, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28359688/evaluation-of-hyaluronic-matrix-efficacy-in-sinus-augmentation-a-randomized-controlled-histomorphometric-and-micro-computed-tomography-analysis
#8
E Dogan, E Dursun, E Tosun, E Bilgic, A C Akman, K Orhan, H H Celik, P Korkusuz, F Caglayan
The objective of the present study was to test the hypothesis that the addition of hyaluronic acid-based matrix to collagenated heterologous bone graft for sinus augmentation would enhance bone formation compared to collagenated heterologous bone graft alone in the early healing period, by micro-computed tomography and histomorphometry. Thirteen systemically healthy patients requiring bilateral two-stage maxillary sinus augmentation (residual crest height≤4mm) were enrolled in this split-mouth prospective randomized controlled study...
March 27, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28327417/appositional-bone-graft-tunneled-technical-note
#9
Roberto Almeida de Azevedo, Felipe Seoane Matos, Leonardo Morais Godoy Figueiredo
INTRODUCTION: A satisfactory positioning of the dental implants is very important in the cosmetic and functional outcome in this treatment for edentulous. Insertion of an endosseous implant in the correct positioning requires sufficient bone volume. Therefore, bone-grafting procedures are becoming increasingly common, especially for the augmentation of horizontally deficient ridges. PRESENTATION OF CASE: Many patients have been treated with this technique of appositional Bone Graft Tunneled at our clinic since 2005...
February 20, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28298833/minimally-invasive-maxillary-sinus-elevation-using-balloon-system-a-case-series
#10
Radha Bharathi Dhandapani, Shivakumar Baskaran, Kurumathur Vasudevan Arun, Thirunelveli Saravanan Subbu Kumar
The posterior maxillary segment frequently exhibits insufficient bone mass to support dental implants. Sinus floor augmentation enables implant placement in the posterior maxilla. This case series included ten sites, in which sinus floor elevation was done using sinus lift balloon system followed by augmentation utilizing irradiated cancellous bone allograft. Postoperative radiographic assessment of vertical bone gain was done at 3 and 6 months follow-up period. The mean initial and final bone height were 6...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28291858/alveolar-ridge-dimension-6-months-after-implant-placement-with-simultaneous-hard-tissue-augmentation
#11
Siegfried Martin Heckmann, Barbara Mörtlbauer, Dominik Rieder, Manfred Wichmann, Tim Krafft, Antonios Moralis
PURPOSE: When failing front teeth are replaced by implants, vestibular bone deficiencies frequently require augmentation, even though the amount of missing alveolar volume may vary. The objective of this study was to analyze the horizontal alveolar ridge dimension after implant placement and simultaneous augmentation, and to compare it to the condition at the contralateral natural site. MATERIALS AND METHODS: Forty-eight patients with a failing maxillary incisor received an immediate or early implant (Straumann Bone Level), according to a randomized study protocol...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28291857/effect-of-maxillary-sinus-membrane-perforation-on-implant-survival-rate-a-retrospective-study
#12
Carlos Eduardo de Almeida Ferreira, Carolina Borges Martinelli, Arthur Belém Novaes, Túlio Bonna Pignaton, Camila Coser Guignone, Adriana Luísa Gonçalves de Almeida, Eduardo Saba-Chujfi
PURPOSE: The aim of this retrospective study was to evaluate implant survival rates (ISRs) for implants placed in grafted sinuses where a membrane perforation occurred during augmentation using exclusively anorganic bovine bone (ABB) by means of clinical and radiographic examinations. Histologic information of five biopsy specimens taken from large membrane perforations is also presented. MATERIALS AND METHODS: Consecutive patients who underwent sinus augmentation procedures at a private practice Dental Institute between 2004 and 2013 were collected from a computer database...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28261519/treatment-concepts-for-the-posterior-maxilla-and-mandible-short-implants-versus-long-implants-in-augmented-bone
#13
REVIEW
Daniel Stefan Thoma, Jae-Kook Cha, Ui-Won Jung
The aim of this narrative review is to describe treatment options for the posterior regions of the mandible and the maxilla, comparing short implants vs. longer implants in an augmented bone. The dental literature was screened for treatment options enabling the placement of dental implants in posterior sites with a reduced vertical bone height in the maxilla and the mandible. Short dental implants have been increasingly used recently, providing a number of advantages including reduced patient morbidity, shorter treatment time, and lower costs...
February 2017: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/28256366/bone-morphogenetic-protein-2-loaded-poly-d-l-lactide-co-glycolide-microspheres-enhance-osteogenic-potential-of-gelatin-hydroxyapatite-%C3%AE-tricalcium-phosphate-cryogel-composite-for-alveolar-ridge-augmentation
#14
Hao-Chieh Chang, Connie Yang, Fang Feng, Feng-Huei Lin, Chi-Hwa Wang, Po-Chun Chang
BACKGROUND/PURPOSE: Sufficient bony support is essential to ensure the success of dental implant osseointegration. However, the reconstruction of vertical ridge deficiencies is still a major challenge for dental implants. This study introduced a novel treatment strategy by infusing poly(D,L-lactide-co-glycolide) (PLGA) microspheres encapsulating bone morphogenetic protein-2 (BMP-2) within a gelatin/hydroxyapatite/β-tricalcium phosphate (gelatin/HA/β-TCP) cryogel composite to facilitate supra-alveolar ridge augmentation...
February 27, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28251794/augmentation-of-severly-resorbed-alveolar-crests-with-bovine-bone-blocks-a-human-histology-pilot-study
#15
Christer Slotte, Ulf Nannmark
BACKGROUND: Allo-/xenogenic bone blocks are used to treat bone defects. Few human histologic studies are found on their integration and capacity to augment new bone. PURPOSE: To study incorporation and stability of collagenated bovine bone blocks (CBB). Short term effects, histology, and morphometry on biopsy specimens are presented. MATERIALS AND METHODS: Nine patients exhibiting extremely narrow alveolar ridges had CBB adapted and fixed to the recipient bone and covered with collagen barriers...
March 1, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28250998/a-novel-procedure-for-the-immediate-reconstruction-of-severely-resorbed-alveolar-sockets-for-advanced-periodontal-disease
#16
Mario Aimetti, Valeria Manavella, Luca Cricenti, Federica Romano
Background. Several clinical techniques and a variety of biomaterials have been introduced over the years in an effort to overcome bone remodeling and resorption after tooth extraction. However, the predictability of these procedures in sockets with severely resorbed buccal/lingual plate due to periodontal disease is still unknown. Case Description. A patient with advanced periodontitis underwent extraction of upper right lateral and central incisors. The central incisor exhibited complete buccal bone plate loss and a 9 mm vertical bone deficiency on its palatal side...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28239830/implant-survival-and-success-rates-in-patients-with-risk-factors-results-from-a-long-term-retrospective-study-with-a-10-to-18-years-follow-up
#17
F De Angelis, P Papi, F Mencio, D Rosella, S Di Carlo, G Pompa
OBJECTIVE: Risk factors for implant therapy are represented by all general and local conditions that through various mechanisms can increase either short-term and long-term failure risk. The aim of this study is to assess the implant survival and implant success rates with single and multiple risk factors. PATIENTS AND METHODS: To address the research purpose, a retrospective cohort study was designed and implemented, including a sample of 225 patients with a total of 871 implants placed...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28230597/histomorphometric-evaluation-of-two-different-bone-substitutes-in-sinus-floor-augmentation-procedures
#18
Marco Portelli, Marco Cicciù, Floriana Lauritano, Gabriele Cervino, Maurizio Manuelli, Enrico Felice Gherlone, Alessandra Lucchese
The aim of this study is to compare the histomorphometric data of deproteinized bovine bone (DBB) and a fully synthetic bone substitute, poly (lactic-co-glycolic) acid/hydroxyapatite (PLGA/HA) applied for sinus floor augmentation technique. Twelve maxillary atrophic ridges of 8 patients requiring major maxillary sinus floor augmentation were studied; the sites were randomly assigned to the study groups and reexamined at 6 months after grafting using cone beam computed tomography scans and biopsy samples harvested during dental implant placement...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28215503/biomaterial-shell-bending-with-3d-printed-templates-in-vertical-and-alveolar-ridge-augmentation-a-technical-note
#19
Florian G Draenert, Florian Gebhart, Gergo Mitov, Andreas Neff
OBJECTIVES: Alveolar ridge and vertical augmentations are challenging procedures in dental implantology. Even material blocks with an interconnecting porous system are never completely resorbed. Shell techniques combined with autologous bone chips are therefore the gold standard. Using biopolymers for these techniques is well documented. We applied three-dimensional (3-D) techniques to create an individualized bending model for the adjustment of a plane biopolymer membrane made of polylactide...
January 4, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28212455/retrospective-analysis-of-dental-implants-placed-between-2012-and-2014-indications-risk-factors-and-early-survival
#20
Koenraad Grisar, Deepti Sinha, Joseph Schoenaers, Titiaan Dormaar, Constantinus Politis
PURPOSE: The aim of this study was to review the indications for implant placement, early outcomes, and associated risk factors. MATERIALS AND METHODS: A retrospective cohort study design was used. The study was composed of a group of 509 consecutive patients, which represented the total number of patients treated from 2012 to 2014 in the Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Belgium. The authors analyzed the indications for implant placement and the potential risk factors for early implant failure...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
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