keyword
https://read.qxmd.com/read/38534546/a-one-year-randomized-controlled-clinical-trial-of-three-types-of-narrow-diameter-implants-for-fixed-partial-implant-supported-prosthesis-in-the-mandibular-incisor-area
#1
JOURNAL ARTICLE
Ji-Ho Ahn, Young-Jun Lim, Jungwon Lee, Yeon-Wha Baek, Myung-Joo Kim, Ho-Beom Kwon
Narrow-diameter implants (NDI) serve as a solution for treating limited bone volume in the anterior mandible. This study aimed to evaluate the one-year clinical outcomes of various NDIs in the mandibular incisor area after immediate loading in partially edentulous patients. This single-center, prospective, single-blinded, randomized controlled trial study included 21 patients, with 7 patients in each of the following groups: control (BLT NC SLActive® ; Straumann), experimental group 1 (CMI IS-III Active® S-Narrow; Neobiotech), and experimental group 2 (CMI IS-III Active® Narrow; Neobiotech)...
March 12, 2024: Bioengineering
https://read.qxmd.com/read/38534276/simultaneous-implant-and-guided-bone-regeneration-using-bovine-derived-xenograft-and-acellular-dermal-matrix-in-aesthetic-zone
#2
Anggun Alfreda Devina, Felita Clarissa Halim, Benso Sulijaya, Patricia Rinanti Sumaringsih, Ratna Sari Dewi
INTRODUCTION: Implant placement in the maxillary anterior area requires sufficient quantity and quality of both soft and hard tissue. In cases where soft and hard tissues are insufficient, additional regeneration using biomaterials is recommended. Treatment using bovine-derived xenograft and acellular dermal matrix (ADM) may increase bone volume and soft tissue thickness. Case and management: A 65-year-old woman sought help for discomfort and aesthetic issues with her denture, reporting missing teeth (11, 12, 13, 14, and 21) and bone volume shrinkage due to disuse atrophy...
February 26, 2024: Dentistry Journal
https://read.qxmd.com/read/38533914/recycled-bone-grafts-treated-with-extracorporeal-irradiation-or-liquid-nitrogen-freezing-after-malignant-tumor-resection
#3
JOURNAL ARTICLE
Yuta Takeuchi, Akio Sakamoto, Takashi Noguchi, Junya Toguchida, Shuichi Matsuda
INTRODUCTION: Recycled bone autografts prepared using extracorporeal irradiation (ECIR) or liquid nitrogen freezing (LNF) methods have been used for the reconstruction of skeletal elements after wide resection of sarcomas involving bone tissues. Few reports include long-term follow-up data for histological analyses of recycled autografts, particularly in the case of ECIR autografts. MATERIALS: A total of 34 malignant bone and soft tissue tumors were resected and reconstructed using 11 ECIR- and 23 LNF-recycled autografts; the mean postoperative follow-ups were 14 and 8 years, respectively...
March 27, 2024: Journal of Surgical Oncology
https://read.qxmd.com/read/38532766/comparison-of-time-zero-primary-stability-between-a-biodegradable-magnesium-bone-staple-and-metal-bone-staples-for-knee-ligament-fixation-a-biomechanical-study-in-a-porcine-model
#4
JOURNAL ARTICLE
Adrian Deichsel, Johannes Glasbrenner, Michael J Raschke, Matthias Klimek, Christian Peez, Thorben Briese, Elmar Herbst, Christoph Kittl
BACKGROUND: Bone staples have been shown previously to be a viable modality for cortical tendon graft fixation in ligament knee surgery. However, soft tissue reactions have been reported, making implant removal necessary. Magnesium alloys are a promising material for biodegradable orthopaedic implants, with mechanical properties closely resembling those of human bone. PURPOSE: To compare the primary stability of a biodegradable bone staple prototype made from magnesium to bone staples made from metal in the cortical fixation of tendon grafts during knee surgery...
March 2024: Orthopaedic Journal of Sports Medicine
https://read.qxmd.com/read/38530973/soft-and-hard-tissue-integration-around-percutaneous-bone-anchored-titanium-prostheses-toward-achieving-holistic-biointegration
#5
REVIEW
Sangeeta Shrivas, Harshita Samaur, Vinod Yadav, Sunil Kumar Boda
A holistic biointegration of percutaneous bone-anchored metallic prostheses with both hard and soft tissues dictates their longevity in the human body. While titanium (Ti) has nearly solved osseointegration, soft tissue integration of percutaneous metallic prostheses is a perennial problem. Unlike the firm soft tissue sealing in biological percutaneous structures (fingernails and teeth), foreign body response of the skin to titanium (Ti) leads to inflammation, epidermal downgrowth and inferior peri-implant soft tissue sealing...
March 26, 2024: ACS Biomaterials Science & Engineering
https://read.qxmd.com/read/38517983/implant-survival-rate-and-marginal-bone-loss-of-174-implants-with-different-variables-associated-over-a-minimum-observational-period-of-20-years-a-retrospective-study
#6
JOURNAL ARTICLE
Massimo Carossa, Francesco Pera, Mario Alovisi, Michele Ponzio, Gianmario Schierano, Giuseppe Migliaretti, Stefano Carossa, Nicola Scotti
PURPOSE: To investigate the long-term implant survival rate and marginal bone loss (MBL) of implants with different variables associated over an observational period of at least 20 years. MATERIALS AND METHODS: Patients with at least one implant placed prior to 2001 were recalled and visited. Data on implant macro-design, prosthetic aspects, site distribution, and patient-related factors were collected. MBL was evaluated on intraoral X-rays and peri-implant soft tissue parameters were recorded...
March 22, 2024: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://read.qxmd.com/read/38517016/implant-retention-in-a-rabbit-model-of-fracture-related-infection
#7
JOURNAL ARTICLE
Jan Puetzler, Alejandro Vallejo Diaz, Georg Gosheger, Martin Schulze, Daniel Arens, Stephan Zeiter, Claudia Siverino, Robert G Richards, Thomas F Moriarty
AIMS: Fracture-related infection (FRI) is commonly classified based on the time of onset of symptoms. Early infections (< two weeks) are treated with debridement, antibiotics, and implant retention (DAIR). For late infections (> ten weeks), guidelines recommend implant removal due to tolerant biofilms. For delayed infections (two to ten weeks), recommendations are unclear. In this study we compared infection clearance and bone healing in early and delayed FRI treated with DAIR in a rabbit model...
March 22, 2024: Bone & Joint Research
https://read.qxmd.com/read/38516351/thighplasty-at-the-time-of-stage-1-bone-anchored-osseointegration-surgery
#8
JOURNAL ARTICLE
Colin J Harrington, Gunel Guliyeva, Joel L Mayerson, Benjamin K Potter, Jonathan A Forsberg, Jason M Souza
BACKGROUND: For patients with transfemoral amputations and difficulty tolerating conventional socket-based prostheses, osseointegrated (OI) implants have enabled increased prosthetic use, improved patient satisfaction, and shown promising functional outcomes1,2 . Although the use of OI implants effectively eliminates the soft-tissue-related challenges that have plagued socket-based prostheses, the presence of a permanent, percutaneous implant imparts a host of new soft-tissue challenges that have yet to be fully defined...
2024: JBJS Essential Surgical Techniques
https://read.qxmd.com/read/38514297/a-retrospective-study-of-occlusal-reconstruction-in-patients-with-old-jaw-fractures-and-dentition-defects
#9
JOURNAL ARTICLE
Ming-Chao Ding, Bo-Ya Jing, Jin Shi, Liu Yang, Xiang-Dong Liu, Jing-Fu Wang, Shuang Qu, Jia-Wu Liang, Zi-Hao Tang, Jin-Long Zhao, Lei Tian
PURPOSE: This study evaluated the methods and clinical effects of multidisciplinary collaborative treatment for occlusal reconstruction in patients with old jaw fractures and dentition defects. METHODS: Patients with old jaw fractures and dentition defects who underwent occlusal reconstruction at the Third Affiliated Hospital of Air Force Military Medical University from January 2018 to December 2022 were enrolled. Clinical treatment was classified into 3 phases...
March 11, 2024: Chinese Journal of Traumatology
https://read.qxmd.com/read/38514280/closed-sinus-lift-and-fixed-prostheses-versus-implant-assisted-overdentures-in-management-of-atrophied-distal-extension-maxillary-ridges-a-one-year-randomized-clinical-trial
#10
JOURNAL ARTICLE
Khalid Ali Abd-Elmoneam Khorshed, Mohamed Elgamal, Mai Ahmed Haggag, Moustafa Abdou ELsyad
STATEMENT OF PROBLEM: Rehabilitation of elderly or medically compromised patients with an atrophied unilateral posterior maxillary ridge by an implant-supported prosthesis may be complicated by maxillary sinus pneumatization with insufficient bone for implant placement. PURPOSE: This short-term clinical trial assessed clinical results of closed sinus lift and fixed prosthesis versus implant-assisted overdentures in the management of participants with atrophied distal extension maxillary ridges...
March 20, 2024: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/38513152/intercalary-resection-of-the-tibia-for-primary-bone-tumors-are-vascularized-fibula-autografts-with-or-without-allografts-a-durable-reconstruction
#11
JOURNAL ARTICLE
Domenico Andrea Campanacci, Roberto Scanferla, Mariagrazia Marsico, Federico Scolari, Guido Scoccianti, Giovanni Beltrami, Luca Delcroix, Marco Innocenti, Rodolfo Capanna
BACKGROUND: Reconstruction with vascularized fibula grafts (VFG) after intercalary resection of sarcoma may offer longevity by providing early graft-host union and fracture healing. The ability of the fibula to hypertrophy under mechanical stress, as well as vascularized bone in the area, may also be advantageous, given that soft tissues may be compromised because of resection, chemotherapy, or radiation therapy. VFG with a massive allograft combines the primary mechanical stability of the graft with the biological potential of the vascularized fibula; however, complications and the durability of this combined reconstruction are not well described...
March 21, 2024: Clinical Orthopaedics and related Research
https://read.qxmd.com/read/38509785/guided-tooth-autotransplantation-of-a-palatally-impacted-maxillary-canine-into-the-site-of-a-failed-maxillary-canine-implant
#12
Jesús Moreno-Pérez, David Rubio Flores, Carlos Fernández Villares, Venkateshbabu Nagendrababu, Francesc Abella Sans
The aim of this report is to demonstrate the guided tooth autotransplantation of a palatally impacted maxillary canine into the site of a failed maxillary canine dental implant. A 47-year-old woman visited a dental clinic complaining of loose dental implant in the left maxillary canine site, tooth #11, as well as pain and swelling of the gum around the implant. The clinical examination revealed a mobile implant along with swollen soft tissues with bleeding on probing. A periapical radiograph demonstrated peri-implant marginal bone loss...
March 21, 2024: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://read.qxmd.com/read/38507139/magnetic-resonance-imaging-in-dental-implant-surgery-a-systematic-review
#13
REVIEW
Adib Al-Haj Husain, Marina Zollinger, Bernd Stadlinger, Mutlu Özcan, Sebastian Winklhofer, Nadin Al-Haj Husain, Daphne Schönegg, Marco Piccirelli, Silvio Valdec
PURPOSE: To comprehensively assess the existing literature regarding the rapidly evolving in vivo application of magnetic resonance imaging (MRI) for potential applications, benefits, and challenges in dental implant surgery. METHODS: Electronic and manual searches were conducted in PubMed MEDLINE, EMBASE, Biosis, and Cochrane databases by two reviewers following the PICOS search strategy. This involved using medical subject headings (MeSH) terms, keywords, and their combinations...
March 20, 2024: International Journal of Implant Dentistry
https://read.qxmd.com/read/38505530/staphylococcus-aureus-panton-valentine-leukocidin-worsens-acute-implant-associated-osteomyelitis-in-humanized-brgsf-mice
#14
JOURNAL ARTICLE
Marloes I Hofstee, Claudia Siverino, Motoo Saito, Himanshu Meghwani, James Tapia-Dean, Samson Arveladze, Maria Hildebrand, Javier Rangel-Moreno, Martijn Riool, Stephan Zeiter, Sebastian A J Zaat, T Fintan Moriarty, Gowrishankar Muthukrishnan
Staphylococcus aureus is the most common pathogen that causes implant-associated osteomyelitis, a clinically incurable disease. Immune evasion of S. aureus relies on various mechanisms to survive within the bone niche, including the secretion of leukotoxins such as Panton-Valentine leukocidin (PVL). PVL is a pore-forming toxin exhibiting selective human tropism for C5a receptors (C5aR1 and C5aR2) and CD45 on neutrophils, monocytes, and macrophages. PVL is an important virulence determinant in lung, skin and soft tissue infections...
February 2024: JBMR Plus
https://read.qxmd.com/read/38502155/histological-evaluation-of-edentulous-alveolar-ridge-horizontal-bone-augmentations-using-a-xenogeneic-bone-substitute-and-autologous-platelet-concentrates-a-case-series
#15
JOURNAL ARTICLE
Pal Nagy, Shahram Ghanaati, Anja Heselich, Peter Windisch
OBJECTIVES: This case series aimed to assess the efficacy of a novel horizontal ridge augmentation modality using histology. Combinations of "sticky bone" and tenting screws without autologous bone were used as augmentative materials. METHODS AND MATERIALS: Five individuals presenting healed, atrophic, partially edentulous sites that required horizontal bone augmentation before implant placement were enrolled. Patients underwent the same augmentation type and five months of postoperative reentry procedures...
March 19, 2024: Quintessence International
https://read.qxmd.com/read/38501400/immediate-loading-of-implants-inserted-through-impacted-teeth-in-the-aesthetic-area-a-retrospective-study-with-a-mean-follow-up-period-of-7-years
#16
JOURNAL ARTICLE
Francesco Amato, Giorgio A Spedicato
PURPOSE: To evaluate the survival and success rate of and the incidence of complications affecting implants inserted and immediately loaded in sites where an impacted tooth was present in the maxilla. MATERIALS AND METHODS: A total of 10 patients were treated and 14 implants were inserted, 4 in healed sites and 10 in extraction sites. The implant site preparation started in the crestal bone and continued in the enamel and dentine of the impacted tooth. The radiographic depth of implant penetration into the impacted tooth, peri-implant soft tissue and hard tissue condition at the 1-year follow-up and the last follow-up appointment, marginal bone loss at the 1-year follow-up and the last follow-up appointment, and the final aesthetic result were evaluated...
March 19, 2024: International journal of oral implantology
https://read.qxmd.com/read/38500194/multivariate-analysis-of-the-effect-of-keratinized-mucosa-on-peri-implant-tissues-with-platform-switching-a-retrospective-study
#17
JOURNAL ARTICLE
Azusa Suzuki, Tamaki Nakano, Masaki Inoue, Shoichi Isigaki
BACKGROUND: In recent years, platform switching implant treatment has been increasing, which is believed to minimize bone loss around the implant after placement. However, there have been no reports on the relationship between keratinized mucosa width (KMW) and bone loss and soft tissue recession in platform switching implants. OBJECTIVE: We evaluated the effect of the KMW on the amount of bone loss and soft tissue recession around a platform switching implant retrospectively using multivariate analysis...
March 18, 2024: Clinical Implant Dentistry and related Research
https://read.qxmd.com/read/38498247/cross-sectional-analysis-comparing-prefabricated-titanium-to-individualized-hybrid-zirconia-abutments-for-cemented-zirconia-based-fixed-dental-prostheses-a-critical-concept-assessment
#18
JOURNAL ARTICLE
Norbert Neckel, Josephine Pohl, Saskia Preissner, Oliver Wagendorf, Claudia Sachse, Kirstin Vach, Max Heiland, Susanne Nahles
PURPOSE: Despite the differences in material properties and shapes among the different types of prefabricated titanium (pTiA) and individualized hybrid zirconia abutments (ihZiA), the biological and clinical relevance of materials and construction features remains vague. Yet, individualized ihZiA are increasingly implemented into daily routine aiming to satisfy rising expectations. The objective was to compare these two types of abutments in fixed dental prostheses (FDP). METHODS: This cross-sectional study examined 462 implants in 102 patients comparing pTiA (52 patients) to ihZiA (50 patients) for FDP...
March 18, 2024: International Journal of Implant Dentistry
https://read.qxmd.com/read/38495182/development-and-validation-of-a-surgical-planning-tool-for-bone-conduction-implants
#19
JOURNAL ARTICLE
Evan S Simpson, Carlos D Salgado, Seyed Alireza Rohani, Sumit K Agrawal, Hanif M Ladak
BACKGROUND: The BONEBRIDGE® (Med-El GmbH) is a bone-conduction device comprising an external audio processor and an internal Bone Conduction-Floating Mass Transducer (BC-FMT) surgically anchored to the temporal bone. Due to the implant's size, its placement may be challenging in certain anatomies, necessitating thorough surgical planning. Manual planning methods are laborious, time-intensive, and prone to errors. This study aimed to develop and validate an automated algorithm for determining skull thickness, aiding in the surgical planning of the BONEBRIDGE and other devices requiring similar bone thickness estimations...
March 15, 2024: Heliyon
https://read.qxmd.com/read/38495069/h-vessel-formation-as-a-marker-for-enhanced-bone-healing-in-irradiated-distraction-osteogenesis
#20
REVIEW
Melissa Daniel, Nathan Sheppard, Garrison Carlos, Noah Nelson, Alex Donneys, Steven R Buchman
In the setting of bone defects, the injured vasculature and loss of hemodynamic inflow leads to hematoma formation and low oxygen tension which stimulates vascular expansion through the HIf-1α pathway. Most importantly, this pathway upregulates sprouting of type H vessels (CD31hiEmcnhi vessels). H vessels engage in direct interaction with perivascular osteoprogenitor cells (OPCs), osteoblasts, and preosteoclasts of bone formation and remodeling. This angiogenic-osteogenic coupling leads to synchronous propagation of vascular and bony tissue for regenerative healing...
February 2024: Seminars in Plastic Surgery
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