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https://www.readbyqxmd.com/read/29781768/guided-bone-regeneration-and-implant-placement-in-association-with-a-coronally-positioned-palatal-sliding-flap-a-17-year-follow-up-case-report
#1
Carlo Maiorana, Pier Paolo Poli, Mario Beretta
The aim of the present case report was to show the 17-year hard and soft tissues stability of guided bone regeneration procedure associated with dental implants insertion. A 52-year-old male patient presented with a partial edentulism in the upper right maxilla. A graft consisting of deproteinized bovine bone mineral and autogenous bone stabilized by a non-resorbable expanded polytetrafluoroethylene membrane was used to reconstruct the missing bone applying the biological principles of guided bone regeneration...
May 21, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29773451/total-hip-arthroplasty-for-posttraumatic-osteoarthritis-following-acetabular-fracture-a-systematic-review-of-characteristics-outcomes-and-complications
#2
Robert D Stibolt, Harshadkumar A Patel, Samuel R Huntley, Eva J Lehtonen, Ashish B Shah, Sameer M Naranje
PURPOSE: Posttraumatic arthritis (PTA) may develop years after acetabular fracture, hindering joint function and causing significant chronic musculoskeletal pain. Given the delayed onset of PTA, few studies have assessed outcomes of delayed total hip arthroplasty (THA) in acetabular fracture patients. This study systematically reviewed the literature for outcomes of THA in patients with PTA and prior acetabular fracture. METHODS: Pubmed, EMBASE, SCOPUS, and Cochrane library were searched for articles containing the keywords "acetabular", "fracture", "arthroplasty", and "post traumatic arthritis" published between 1995 and August 2017...
April 26, 2018: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/29772035/two-step-immediate-loading-of-mandibular-overdentures-retained-by-mini-implants-a-prospective-clinical-study
#3
Jin-Hong Park, Sang-Wan Shin, Jeong-Yol Leea
PURPOSE: This study aimed to evaluate treatment outcomes of mandibular overdentures retained by two different mini-implant systems with ball attachments under a two-step immediate loading protocol. MATERIALS AND METHODS: This clinical trial investigated treatment outcomes of mandibular mini-implant overdentures in 45 edentulous patients. MDI implants (3M ESPE) and SlimLine implants (Dentium) were randomly selected for placement in the anterior mandible in each group (MDI = 21; SlimLine = 24) with a flapless surgical approach...
May 17, 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29766758/anti-inflammatory-peptide-attenuates-edema-and-promotes-bmp-2-induced-bone-formation-in-spine-fusion
#4
Juliane D Glaeser, Khosrowdad Salehi, Linda Kanim, Dmitriy Sheyn, Zachary NaPier, Phillip Behrens, Leslie Garcia, Jason M Cuéllar, Hyun W Bae
Recombinant human bone morphogenic protein-2 (BMP-2) loaded absorbable collagen sponges (ACS) have been successfully used to enhance bone formation and to induce spinal fusion in humans. However, side effects, such as soft-tissue edema and inflammation, have been reported. NEMO binding domain peptide (NBD) inhibits activation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), a central regulator of immune response. In this study, we investigated NBD's potential to reduce BMP-2-induced soft-tissue inflammation without affecting BMP-2-mediated spinal fusion in rat...
May 16, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29763506/simplifying-zygomatic-implant-site-preparation-using-ultrasonic-navigation-a-technical-note
#5
Gerardo Pellegrino, Achille Tarsitano, Valerio Taraschi, Tomaso Vercellotti, Claudio Marchetti
Zygomatic implant site preparation could be considered a challenging procedure because of the use of a very long twist drill that could sometimes be difficult to control due to the need for drilling the malar bone on an oblique surface. Ultrasound was recently suggested to achieve better control, but the specific long tips required are not readily available, and the elongated tip also tends to reduce the efficacy. This technical note describes a proposal of a novel computer-aided technique to simplify the procedure of zygomatic implant site preparation...
May 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29762195/functional-outcomes-and-complications-after-oncologic-reconstruction-of-the-proximal-humerus
#6
Sjoerd Nota, Teun Teunis, Joost Kortlever, Marco Ferrone, John Ready, Mark Gebhardt, Kevin Raskin, Francis Hornicek, Joseph Schwab, Santiago Lozano Calderon
BACKGROUND: No consensus exists on the best method of articular reconstruction in patients who require proximal humerus resection for the management of primary bone sarcomas, soft-tissue sarcomas extending into the bone, benign and locally aggressive primary bone tumors, and metastatic disease. METHODS: We identified patients from two institutions who underwent wide resection of the proximal humerus along with oncologic reconstruction using osteoarticular allografts (OAs), endoprostheses, or allograft-prosthesis composites...
June 1, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29762186/decision-making-for-management-of-periimplant-diseases
#7
Khaled Sinjab, Carlos Garaicoa-Pazmino, Hom-Lay Wang
INTRODUCTION: Nonsurgical and surgical management of periimplant mucositis and periimplantitis have shown promising results in arresting periimplant marginal bone loss (MBL) and preventing implant loss. However, management of periimplant diseases still remains unpredictable for full reconstruction of lost tissues and completely arrests disease progression. The present study proposes a decision tree that compiles both clinical and radiographic presentation of failing implants to aid in the decision making for their management...
May 11, 2018: Implant Dentistry
https://www.readbyqxmd.com/read/29756213/the-influence-of-different-soft-tissue-grafting-procedures-at-single-implant-placement-on-esthetics-a-randomized-controlled-trial
#8
Elise G Zuiderveld, Henny J A Meijer, Arjan Vissink, Gerry M Raghoebar
BACKGROUND: Soft tissue grafting to thicken the soft tissue around dental implants was proposed to ameliorate the esthetic outcome. Traditionally, connective tissue is used as a grafting material, but a xenogeneic collagen matrix was introduced as an alternative to reduce patient morbidity. METHODS: Sixty patients randomly received either no graft (n = 20, NG group), a connective tissue graft (n = 20, CTG group) or a xenogeneic collagen matrix (n = 20, XCM group) when placing an implant in a preserved alveolar ridge...
May 13, 2018: Journal of Periodontology
https://www.readbyqxmd.com/read/29747060/acoustic-stimulation-on-the-round-window-for-active-middle-ear-implants
#9
Kiwoong Seong, Kyuyup Lee, Sunil Puria, Jin-Ho Cho
Many clinical reports have discussed the effectiveness of stimulating the ear's round window (RW) with a tool to mitigate conductive and mixed hearing loss. The RW is one of the two openings from the middle ear into the inner ear. Various methods have been proposed to construct a highly efficient, easily implanted, and reliable RW transducer. Devices, however, such as floating mass transducers, have difficulty establishing proper contact without some degree of bone incision around the RW. Additionally, vibration energy may not be fully transmitted to the cochlea, but instead will be spread through the soft tissue around the transducer...
May 2, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29747053/use-of-acellular-collagen-matrix-for-the-closure-of-the-open-oral-wound-in-bone-regeneration
#10
Dragan Stankovic, Milica Labudovic-Borovic, Radoslav Radosavljevic, Milos Marinkovic, Esma R Isenovic
Mucograft is collagen matrix was designed for use in open healing situations due to its compact outer layer. The technique presented in this article is an attempt to avail this attribute for covering open oral wound in guided bone regeneration (GBR) procedure. The essential idea of this technique is to avoid scoring of periosteum, submucosa and muscle layer for buccal flap advancement. Therefore, we used mucograft to cover bone substitute and barrier membrane in GBR surgical procedure. Thus, we avoided periostal-releasing incisions (PRI) and gained reposition of the flap to original level without impairing the attached keratinized gingiva...
May 7, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29744183/preoperative-evaluation-of-bone-quality-for-dental-implantation-using-an-ultrasound-axial-transmission-device-in-an-ex-vivo-model
#11
Shinsuke Okada, Akira Kawano, Hiroshi Oue, Yosuke Takeda, Miyuki Yokoi, Katsunori Koretake, Kazuhiro Tsuga
This study investigated the clinical utility of an ultrasound axial transmission device in preoperative evaluation of bone quality for dental implantation, by clarifying the relationship between cortical bone speed of sound (cSOS), insertion torque values (ITV), and implant stability quotient (ISQ) in porcine femur bone. Eleven fresh porcine femurs, without soft tissue, were prepared. The cSOS of these bones were measured using the axial transmission device. Bone mineral density (BMD) and porosity (Po) were measured in cortical bone samples obtained from the region of ultrasound measurements by X-ray microcomputed tomography...
June 2017: Clinical and Experimental Dental Research
https://www.readbyqxmd.com/read/29735852/evaluation-of-the-success-and-complication-rates-of-self-drilling-orthodontic-mini-implants
#12
Z Gurdan, J Szalma
Aims: Orthodontic mini-implants are important devices for successful anchorage management in orthodontics; however, the survival of these devices depends on several clinical factors. The aim of our study was to calculate the success and complication rates of orthodontic mini-implants. Materials and Methods: In this retrospective study, patients of our orthodontic department were enrolled, getting overall 59 orthodontic mini-implants during their orthodontic treatment in a 2-year period...
May 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29735199/a-pilot-study-on-the-effects-of-direct-contact-of-two-different-surgical-burs-on-the-cadaveric-lingual-nerve
#13
S M Al-Amery, W C Ngeow, P Nambiar, M Naidu
The lingual guttering technique for third molar surgery carries the risk of injury to the lingual nerve if the surgical bur comes into direct contact with it. This study investigated the extent of nerve injury caused by two different burs, a tungsten carbide bur and the Dentium implant bur; the latter is designed to be soft tissue friendly. This study also examined whether ultrasound and magnetic resonance imaging are able to detect any injury inflicted. This cadaveric research involved subjecting 12 lingual nerves to the drilling effect of two different burs at two different speeds...
May 4, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29732019/comparison-of-interdental-papilla-around-single-implants-in-the-anterior-maxilla-between-two-implant-systems-a-cohort-study
#14
Masoumeh Khoshhal, Fariborz Vafaei, Mahsa Najafi, Masoumeh Nikkhah
Background. In successful replacement of a tooth with a dental implant, soft tissue esthetic is as important as stability and function of the implant. Quality and quantity of the peri-implant mucosa can influence esthetic outcomes. This study assessed implant esthetic success of two different implant systems. In this regard the interdental papilla was evaluated and the relation-ship between implant type and crestal bone loss adjacent to implant was assessed. Methods. Eighteen patients (11 males, 7 females) with a total of 18 implants participated in this historical cohort study...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/29728889/comparative-evaluation-of-soft-and-hard-tissue-changes-following-endosseous-implant-placement-using-flap-and-flapless-techniques-in-the-posterior-edentulous-areas-of-the-mandible-a-randomized-controlled-trial
#15
Divya Kumar, G Sivaram, B Shivakumar, Tss Kumar
BACKGROUND: Dental implant-supported restorations have long been used as a successful modality for replacing missing teeth. There are two well-established methods of implant placement. The traditional approach to implant surgery involves raising a mucoperiosteal flap and the alternative approach does not involve reflecting a flap, each having its own advantages and disadvantages. The purpose of the present study was to compare and evaluate the soft and hard tissue changes around endosseous implants placed using flap and flapless surgery in mandibular posterior edentulous sites over a period of time...
May 5, 2018: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29726264/-surgical-treatment-of-midshaft-clavicular-fractures-using-intramedullary-nail
#16
M Vlček, M Niedoba, J Jakubička, J Pech, J Kalvach
INTRODUCTION: The aim of our study was to assess treatment outcomes in fractures of the middle part of the clavicle using an intramedullary nail. METHODS: We have evaluated a total of 58 patients with a clavicle bone fracture stabilized by the Hofer Clavicula Pin implant (HCP, Hofer GmbH & Co KG, Fürstenfeld, Germany). A static implant was used in 43 cases, and a dynamic implant was used in the remaining 15. The mean age of patients was 39.1 years (range 1871, SD 4...
2018: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/29722122/a-comparison-of-the-bone-regeneration-and-soft-tissue-formation-capabilities-of-various-injectable-grafting-materials-in-a-rabbit-calvarial-defect-model
#17
Chih-Long Chen, Han-Wen Tien, Chia-Hui Chuang, Ying-Chieh Chen
Restoring adequate blood supply is essential to the success of bone repair and augmentation procedures in craniofacial surgery. Nevertheless, the manner by which the incorporation of collagen gels (which can potentially induce angiogenesis), particulated deproteinized bovine bone grafts, or a combination of both can accelerate or delay bone regeneration in a clinical setting remains controversial. The objective of this study was to evaluate radiographically and histologically the capacity and functionality of particulated bone grafts and collagen gels on bone ossification and soft tissue formation in a rabbit calvarial defect...
May 2, 2018: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29721455/full-field-in-vitro-investigation-of-hard-and-soft-tissue-strain-in-the-spine-by-means-of-digital-image-correlation
#18
REVIEW
Maria Luisa Ruspi, Marco Palanca, Cesare Faldini, Luca Cristofolini
Introduction: The spine deserves careful biomechanical investigation, because of the different types of degeneration deriving from daily stress, trauma, and hard and soft tissue pathologies. Many biomechanical studies evaluated the range of motion, structural stiffness of spine segments under different loading conditions, without addressing the strain distribution. Strain gauges have been used to measure strain in the vertebral body, in a pointwise way.What is currently missing is a method to measure the distribution of strain in the soft tissues (intervertebral discs and ligaments), and an integration between measurements in the hard and soft tissues...
October 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/29717922/clinical-and-radiographic-evaluation-of-short-implants-placed-in-the-posterior-mandible-a-one-year-pilot-split-mouth-study
#19
Mireia Haro Adanez, Miha Brezavšček, Kirstin Vach, Manrique Fonseca, Wael Att
In many cases, due to anatomical limitations, the placement of regular-length implants cannot be facilitated without the performance of advanced surgical procedures. However, these are associated with morbidity, prolonged treatment time and costs. To overcome such disadvantages, short implants were introduced. The aim of this prospective pilot split-mouth study was to compare the clinical outcome between short implants (7 mm) and regular-length (≥10mm) implants placed in the posterior mandible after 1 year of prosthetic delivery...
May 2, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29714497/ridge-augmentation-simultaneous-with-immediate-implant-placement-the-subperiosteal-tunneling-technique
#20
Barry P Levin, Stephen J Chu
The efficacy of immediate implant placement has made it an appealing treatment modality in dentistry. Over the past several decades various surgical techniques to minimize the ridge collapse and other adverse changes that occur after tooth extraction have been advocated. This case series proposes a method of soft-tissue augmentation when multiple implants are being immediately placed. The authors describe a subperiosteal tunneling technique that achieves the dual purpose of graft containment/guided bone regeneration and soft-tissue augmentation around maxillary anterior implants...
May 2018: Compendium of Continuing Education in Dentistry
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