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https://www.readbyqxmd.com/read/29351052/particulate-coral-hydroxyapatite-sheltered-by-titanium-mesh-for-localized-alveolar-rehabilitation-after-onlay-graft-failure-a-case-report
#1
Miao Zhou, Shuyi Li, Hendrik Terheyden, Shuaishuai Cao, Yuejuan Che, Yuanming Geng
Reconstruction of bone loss in the alveolar ridge has long been challenging. Autologous bone grafts are considered as the "golden standard", while little research has focused on how to repair pronounced alveolar bone defects after autologous bone graft failure. The aim of this study was to detail a method based on the titanium mesh technique coupled with particulate coral hydroxyapatite to solve the Onlay graft failure. With bone deficiency in the #11 and #24- #25 regions, we harvested two autologous bone blocks for reconstruction...
January 19, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29349884/report-of-a-human-autopsy-case-in-maxillary-sinuses-augmented-using-a-synthetic-bone-substitute-micro-computed-tomographic-and-histologic-observations
#2
Jung-Seok Lee, Jae-Kook Cha, Daniel S Thoma, Ui-Won Jung
OBJECTIVE: This study of a human autopsy case aimed to characterize the histologic and micro-computed tomographic results of maxillary sinus augmentation using a synthetic bone substitute and simultaneous implant placement at 6 years. MATERIAL AND METHODS: This report is based on the whole-body donation of a 62-year-old male patient who died due to bladder cancer. Implants had been placed in conjunction with sinus augmentation using a mixture of biphasic calcium phosphate and autogenous bone into both maxillary sinuses 6 years prior to the body donation...
January 18, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29346020/sequential-ridge-augmentation-sra-protocol-for-hard-and-soft-tissue-grafting-in-alveolar-ridge-deficiencies-a-proposed-algorithm
#3
Neel Bhatavadekar, Amit Srikant Gharpure
The success of implant-based treatment is dependent on the correct restorative position of dental implants in the oral cavity. Often, the final prostheses require dental implants to be placed at sites with inadequate native hard and soft tissue. Bone augmentation procedures and materials have been extensively studied in the literature and various techniques have been developed over time to obtain adequate hard tissue at proposed implant sites. In the recent past, few publications have also studied soft tissue development at planned implant sites...
January 18, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29340348/peri-implant-tissues-and-patient-satisfaction-after-treatment-of-vertically-augmented-atrophic-posterior-mandibles-with-intraoral-onlay-block-bone-grafts-a-retrospective-3-year-case-series-follow-up-study
#4
Amparo Aloy-Prósper, David Peñarrocha-Oltra, Maria Peñarrocha-Diago, Federico Hernández-Alfaro, Miguel Peñarrocha-Diago
PURPOSE: To evaluate the peri-implant soft and hard tissues of dental implants placed in vertically regenerated posterior mandibles with intraoral onlay block bone grafts and patient satisfaction at 3-year follow-up. MATERIALS AND METHODS: A retrospective study of patients with dental implants placed in posterior mandibular sites vertically augmented with intraoral onlay block bone grafts was carried out between 2005 and 2009 at the University of Valencia. The outcomes assessed at the 3-year follow-up visit were the peri-implant soft tissues (Plaque Index and Bleeding Index, probing depth, keratinized mucosa width, and recession), implant survival and success rates, marginal bone loss, and patient satisfaction...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29316380/implant-insertion-into-an-augmented-bone-region-using-the-canine-mandible-augmented-by-the-casing-method
#5
Wataru Ono, Kiichi Maruyama, Makoto Ogiso, Seiji Mineno, Yuichi Izumi
The purpose of this study was to examine the efficacy of bone augmentation using the "Casing Method", which enables large-scale osteogenesis, and the feasibility of using the augmented bone in dental implants. Three Beagle dogs were used. After tooth extraction, a polyethylene terephthalate case (20 mm × 5 mm × 10 mm) was placed on the buccal surface of the mandible. A mixture of hydroxyapatite and beta-tricalcium phosphate (volume ratio=1:1) was infiltrated into a suspension of autologous superfine bone powder and plasma, and the resulting mixture was packed into the case...
January 6, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29314144/bone-augmentation-followed-by-implant-surgery-in-the-edentulous-mandible-a-systematic-review
#6
REVIEW
R J de Groot, M A E M Oomens, T Forouzanfar, E A J M Schulten
INTRODUCTION: Long-standing loss of natural teeth in the mandible can lead to severe jaw atrophy and even mandibular fracture. There is no consensus on the best preprosthetic surgical treatment to reconstruct the atrophic edentulous mandible. The purpose of this review is to provide an overview of the existing literature and to give an evidence-based recommendation for bone grafting and future research. MATERIALS AND METHODS: This systematic review was conducted according to the PRISMA statement...
January 4, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29303859/three-dimensional-radiological-assessment-of-alveolar-bone-volume-preservation-using-bovine-bone-xenograft
#7
Ali Al Qabbani, Sausan Al Kawas, Noor Hayati A Razak, Saad Wahby Al Bayatti, Hamid Hammad Enezei, A Rani Samsudin, Suzina Sheikh Ab Hamid
INTRODUCTION: Alveolar bone is critical in supporting natural teeth, dental implants as well as a removable and fixed prosthesis. Alveolar bone volume diminishes when its associated natural tooth is lost. OBJECTIVE: The aim of this study is to evaluate the effectiveness of bovine bone granules on alveolar bone socket augmentation for ridge preservation following atraumatic tooth extraction. MATERIALS AND METHODS: Twenty medically fit patients (12 males and 8 females aged between 18 and 40 years) who needed noncomplicated tooth extraction of 1 mandibular premolar tooth were divided randomly and equally into 2 groups...
January 4, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29303409/clinical-evaluation-of-a-new-synthetic-resorbable-dental-membrane-a-case-series-study
#8
Hélène Martin Thomé, David Bourdin, Nicolas Strube, Afchine Saffarzadeh, Jean-Francois Morlock, Guillaume Campard, Charles Evanno, Alain Hoornaert, Pierre Layrolle
For the regeneration of small osseous defects, dental membranes are commonly used in oral and maxillofacial surgery. A new synthetic resorbable membrane has recently demonstrated its biocompatibility and bone regeneration capacity in preclinical studies. This membrane is made of poly-D,L-lactic/glycolic acid 85/15 (PLGA), has a bi-layered structure with a dense film to prevent gingival epithelial cell invasion and a micro-fibrous layer to support osteogenic cells and bone healing. This membrane completely degrades by hydrolysis in 4 to 6 months without signs of inflammation...
January 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29302589/evaluation-of-bone-healing-using-rhbmp-2-soaked-hydroxyapatite-in-ridge-augmentation-a-prospective-observational-study
#9
Hyun-Suk Kim, Ju-Cheol Park, Pil-Young Yun, Young-Kyun Kim
Background: The goal of this study is to evaluate complication and effectiveness of alveolar ridge augmentations using a hydroxyapatite-based alloplastic bony substitute with rhBMP-2. Methods: A total of 10 patients (4 males, 6 females; 58.5 ± 8.6 years) participated in this clinical research. Alveolar ridge augmentations were performed in edentulous (4 maxillary posterior, 5 mandibular posterior, and 1 mandibular anterior) regions. Anorganic bovine bone (ABB; Bio-Oss®, Geistlich Pharma AG, Wolhusen, Switzerland) was used as the bone graft material in the control group (n = 5)) while hydroxyapatite-based alloplastic bony substitute with rhBMP-2(HA+rhBMP-2; NOVOSIS®-Dent, CGBio Inc...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29279677/on-the-synthesis-and-characterization-of-%C3%AE-tricalcium-phosphate-scaffolds-coated-with-collagen-or-poly-d-l-lactic-acid-for-alveolar-bone-augmentation
#10
Isadora S Deschamps, Gabriel L Magrin, Ricardo S Magini, Márcio C Fredel, Cesar A M Benfatti, Júlio C M Souza
Objectives: After tooth loss, dimensional alterations on the alveolar bone ridge can occur that can negatively affect the placement of dental implants. The purpose of this study was to evaluate the synthesis, and mechanical properties of β-tricalcium phosphate (β-TCP) scaffolds coated with bioabsorbable polymers, namely, collagen and poly (D, L-lactic acid) (PDLLA). Materials and Methods: β-TCP powder was obtained by reactive milling and then characterized by X-ray diffraction and scanning electron microscopy/energy dispersive X-ray spectroscopy (SEM/EDS)...
October 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/29246424/comparative-study-of-volumetric-changes-and-trabecular-microarchitecture-in-human-maxillary-sinus-bone-augmentation-with-bioactive-glass-and-autogenous-bone-graft-a-prospective-and-randomized-assessment
#11
R S Pereira, J D Menezes, J P Bonardi, G L Griza, R Okamoto, E Hochuli-Vieira
The aim of this study was to compare the volumetric changes and the new bone microarchitecture in human maxillary sinuses augmented with bioactive glass (Biogran) alone, bioactive glass combined with autogenous bone graft (1:1), or autogenous bone graft alone. Twelve maxillary sinuses were grafted with bioactive glass (group 1), nine with bioactive glass mixed with autogenous bone graft 1:1 (group 2), and 12 with autogenous bone graft (group 3). Patients underwent cone beam computed tomography 15days after the procedure to determine the initial volume of the graft (T1) and again 6 months later (T2)...
December 12, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29240210/three-dimensional-bone-augmentation-and-immediate-implant-placement-via-transcrestal-sinus-lift-five-year-clinical-outcomes
#12
Rosario Rizzo, Alessandro Quaranta, Massimo De Paoli, Giorgio Rappelli, Matteo Piemontese
This study proposed a surgical technique that solves three-dimensional conditions of extreme bone atrophy. A total of 278 surgeries with transcrestal sinus lift and fresh frozen allogenous bone blocks were performed. A total of 1,024 implants were placed. After 60 months of observation, 969 implants were considered grade I (successful), 24 grade II (satisfactory survival), and 8 grade III (compromised survival). The cumulative success and survival rates, respectively, were 94.6% and 97.7%. This innovative procedure is very effective in selected cases...
January 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29235158/single-staged-implant-placement-using-bone-ring-technique-with-and-without-membrane-placement-an-experimental-study-in-the-beagle-dog
#13
Maiko Haga-Tsujimura, Ken Nakahara, Eizaburo Kobayashi, Kensuke Igarashi, Benoit Schaller, Nikola Saulacic
AIM: To evaluate the impact of a collagen membrane on bone remodeling and osseointegration of implants placed simultaneously with a bone ring technique. MATERIAL AND METHODS: Standardized, vertical alveolar bone defects in the mandibles of six dogs were created. Tapered dental implants designed for two-stage subcrestal placement were inserted simultaneously with a bone ring technique. On one side of the mandible, the augmented sites were covered with a collagenous membrane...
December 12, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29234746/short-implants-as-an-alternative-to-crestal-sinus-lift-a-3-year-multicentre-randomised-controlled-trial
#14
Giorgio Gastaldi, Pietro Felice, Roberto Pistilli, Carlo Barausse, Anna Trullenque-Eriksson, Marco Esposito
PURPOSE: To evaluate the efficacy of short (5 or 6 mm long) dental implants vs 10 mm or longer implants placed in crestally lifted sinuses. MATERIALS AND METHODS: Twenty partially edentulous patients with 5 to 7 mm of residual crestal height and at least 7 mm thickness below the maxillary sinuses as measured on computed tomography scans were randomised according to a parallel group design to receive either one to two 5 or 6 mm long implants (10 patients) or 10 mm long implants (10 patients) after crestal sinus lifting and grafting with anorganic bovine bone...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/29233704/risk-factors-for-post-operative-complications-after-procedures-for-autologous-bone-augmentation-from-different-donor-sites
#15
Andreas Sakkas, Alexander Schramm, Karsten Winter, Frank Wilde
AIM: The aim of this study has been to identify risk factors for post-operative complications after grafting bone from different donor sites prior to implant placement. MATERIAL AND METHODS: The study encompassed 279 patients who underwent autologous bone augmentations in a 2-stage procedure, harvested from three intraoral and one extraoral donor sites, as well as sinus floor elevations prior to implant placement. The following complications were recorded: soft tissue dehiscence; wound infection; bone graft exposure; sensory disturbance; sinusitis symptoms; haemorrhage; graft failure; implant failure...
November 21, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29231263/a-prospective-controlled-trial-comparing-xenograft-autogenous-bone-and-collagen-stabilized-xenograft-for-maxillary-sinus-augmentation-complications-patient-reported-outcomes-and-volumetric-analysis
#16
Jamil Alayan, Saso Ivanovski
OBJECTIVE: Compare maxillary sinus augmentation (MSA) using two different materials-anorganic bovine bone mineral (ABBM) + autogenous bone (AB) (control group) vs. collagen-stabilized ABBM (test group) in terms of complications, patient-reported outcome measures (PROMs) and volumetric analysis. MATERIALS AND METHODS: Sixty patients underwent sinus augmentation (30 control + 30 test group). Intra- and postoperative complications were recorded. PROMs measured the impact of grafting on daily activities, pain and morbidity...
December 12, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29208786/evaluation-of-short-and-regular-implants-after-prosthesis-placement-in-the-mandible-a-nonrandomized-controlled-clinical-trial
#17
Rafael S de Molon, Frederico S Lages, Carolina P Rivera, Ana P de Souza Faloni, Rogerio Margonar, Thallita P Queiroz
AIM: The aim of this nonrandomized controlled preliminary clinical trial was to compare treatment using short and conventional implants in the posterior region of the mandible after prosthesis installation by means of clinical, resonance frequency, and radiographic analyses. MATERIALS AND METHODS: A total of 10 patients with 40 dental implants already installed were included in this study. Four implants were installed for each subject, in which the length of the implants (short and conventional) was distributed according to the reminiscent alveolar bone in the left and right side of the mandible...
December 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29202263/does-graft-particle-type-and-size-affect-ridge-dimensional-changes-after-alveolar-ridge-split-procedure
#18
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/29199387/early-marginal-bone-stability-of-dental-implants-placed-in-a-transalveolarly-augmented-maxillary-sinus-a-controlled-retrospective-study-of-surface-modification-with-calcium-ions
#19
Eduardo Anitua, Laura Piñas, Mohammad Hamdan Alkhraisat
BACKGROUND: Recently, components of the extracellular cellular matrix have been assessed to enhance the biological response to dental implants. This study aims to assess the effect of surface modification with calcium ions on the early marginal bone loss of dental implants placed in a transalveolarly augmented maxillary sinus. METHODS: A retrospective study of transalveolar sinus floor augmentation was conducted in a single private dental clinic. The predictor variable was the surface of the dental implant...
December 4, 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29193558/short-dental-implants-as-compared-to-maxillary-sinus-augmentation-procedure-for-the-rehabilitation-of-edentulous-posterior-maxilla-three-year-results-of-a-randomized-clinical-study
#20
Silvio Taschieri, Alessandra Lolato, Tiziano Testori, Luca Francetti, Massimo Del Fabbro
BACKGROUND: Several treatment options exist for the implant-supported rehabilitation of edentulous posterior maxilla. PURPOSE: To compare maxillary sinus floor augmentation associated to standard length implants, with direct placement of implants of reduced length in the available residual bone. MATERIALS AND METHODS: Patients with edentulous posterior maxilla and a residual height of 4-7 mm were randomly allocated to the test (short implants [SIs], 6...
November 28, 2017: Clinical Implant Dentistry and related Research
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