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https://www.readbyqxmd.com/read/28433866/the-effect-of-vacuum-assisted-socket-suspension-on-prospective-community-based-falls-by-users-of-lower-limb-prostheses
#1
Noah J Rosenblatt, Tess Ehrhardt
Individuals with lower limb amputation are at increased risk of falling compared to age-matched peers. The purpose of this study was to quantify the effect of socket suspension on the risk of falling, by comparing prospectively tracked falls between a group of participants that used vacuum assisted socket suspension (VASS) and a group that did not use this system. Fifteen current users of VASS and 12 non-VASS users received an email every two weeks for one year, with a link to an online survey that asked whether they fell (i...
April 8, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28428609/socket-preservation
#2
L Fee
Socket preservation maintains bone volume post-extraction in anticipation of an implant placement or fixed partial denture pontic site. This procedure helps compensate for the resorption of the facial bone wall. Socket preservation should be considered when implant placement needs to be delayed for patient or site-related reasons. The ideal healing time before implant placement is six months. Socket preservation can reduce the need for later bone augmentation. By reducing bone resorption and accelerating bone formation it increases implant success and survival...
April 21, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28422326/alveolar-ridge-dimensional-changes-following-ridge-preservation-procedure-with-novel-devices-part-3-histological-analysis-in-non-human-primate-model
#3
Yingying Su, Jianxia Tang, Seiko Min, Lijia Guo, Yitong Liu, Yilin Xie, Jimin Xiong, Songlin Wang, Mauricio G Araújo, Homayoun H Zadeh, Yi Liu
OBJECTIVES: This study sought to investigate the histological changes following tooth extraction, ridge preservation and augmentation, using novel devices designed to obturate the oral orifice of extraction sockets (SocketKAP™) and provide structural support for sockets with defective bony walls (SocketKAGE™) in a non-human primate model. MATERIAL AND METHODS: Six Macaca fascicularis were imaged by cone beam computed tomography to register their preoperative alveolar bone...
April 19, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28413476/the-mechanism-of-human-%C3%AE-defensin-3-in-mrsa-induced-infection-of-implant-drug-resistant-bacteria-biofilm-in-the-mouse-tibial-bone-marrow
#4
Chen Zhu, Ni-Rong Bao, Shuo Chen, Jian-Ning Zhao
The mechanism of human β-defensin 3 (HBD-3) in methicillin-resistant Staphylococcus aureus (MRSA-induced infection of implant drug-resistant bacteria biofilm in the mouse tibial bone marrow was studied. Healthy adult male Sprague-Dawley rats with average weight of 230 g were selected to construct the infection model of MRSA-induced implant drug-resistant bacteria biofilm in the mouse left tibial bone marrow. The drugs were intraperitoneally injected after 24 h medullary cavity infection, and the experimental groups included the model group, HBD-3 group, and vancomycin group (20 rats in each group)...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28409862/synthesis-and-properties-of-salicylaldehydes-fine-tuned-by-modular-assembly-using-plug-and-socket-type-extendibility
#5
Hirohiko Houjou, Yoshikazu Suzuki, Qian-Wen Shen, Isao Yoshikawa, Toshiki Mutai
We prepared a salicylaldehyde derivative bearing four pyridine arms, 3,5-bis(N,N-bis(2-pyridylmethyl)aminomethyl)-2,4-dihydroxybenzaldehyde (Hbpsal) as a "socket", and used it to derive a series of zinc complexes with various extra anions "plugged" into their vacant site. The crystal structure and 1H NMR spectra were noticeably influenced by the extra anions, allowing fine-tuning of the properties by "plug-and-socket" type modification. Similar to unsubstituted salicylaldehyde, the zinc complexes reacted with primary amines to afford Schiff base compounds...
April 14, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28409104/multidirectional-shoulder-instability-arthroscopic-labral-augmentation
#6
Enrico Gervasi, Enrico Sebastiani, Alessandro Spicuzza
Capsulolabral augmentation is one of the most used arthroscopic techniques to address multidirectional instability of the shoulder. Given the thin and weak capsule seen in the affected patients, reconstruction in this subset of patients can be particularly challenging. This arthroscopic technique aims to reduce the capsular volume and deepen the glenoid socket through the creation of a particularly voluminous "bumper" along the glenoid bone. Increasing the depth of the glenoid facilitates a concavity-compression stabilizing effect and, therefore, shoulder stability, especially midrange stability...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28403364/diagnosis-of-alveolar-and-root-fractures-an-in-vitro-study-comparing-cbct-imaging-with-periapical-radiographs
#7
Solange Kobayashi-Velasco, Fernanda Cristina Sales Salineiro, Ivan Onone Gialain, Marcelo Gusmão Paraiso Cavalcanti
Objective: To compare periapical radiograph (PR) and cone-beam computed tomography (CBCT) in the diagnosis of alveolar and root fractures. Material and Methods: Sixty incisor teeth (20 higid and 40 with root fracture) from dogs were inserted in 60 anterior alveolar sockets (40 higid and 20 with alveolar fracture) of 15 macerated canine maxillae. Each fractured socket had a root fractured tooth inserted in it. Afterwards, each maxilla was submitted to PR in two different vertical angulation incidences, and to CBCT imaging with a small field of view (FOV) and high-definition protocol...
March 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28403247/early-complications-of-immediate-loading-in-edentulous-full-arch-restorations-a-retrospective-analysis-of-88-cases
#8
Iñaki Cercadillo-Ibarguren, Alba Sánchez-Torres, Rui Figueiredo, Eduard Valmaseda-Castellón
PURPOSE: To describe the clinical outcomes and complications related to provisional prostheses after full-arch implant-supported rehabilitation by means of an immediate loading protocol. MATERIALS AND METHODS: This retrospective cohort study included patients who were consecutively treated with full-arch implant-supported restorations with a minimum of four implants (Replace Select Tapered TiUnite, Nobel Biocare AB) per arch and conical abutments (multi-unit, Nobel Biocare AB) by means of an immediate loading protocol...
April 12, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28403135/evaluation-of-impacting-factors-on-facial-bone-thickness-in-the-anterior-maxillary-region
#9
Amirhossein Farahamnd, Fatemeh Sarlati, Saeedeh Eslami, Marjan Ghassemian, Navid Youssefi, Bahareh Jafarzadeh Esfahani
BACKGROUND: The goal of the current study was to measure the width of the labial alveolar bone of the overlying maxillary anterior teeth, based on cone-beam computed tomography (CBCT) images, and the distance between cementoenamel junction (CEJ) and bone crest in adult patients. METHODS: A cross-sectional study was performed using a sample of 132 tomographic scans. Intact maxillary anterior with healthy periodontium and teeth was randomly selected and afterwards assessed by 2 calibrated and independent reviewers...
April 11, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28402351/dimensional-evaluation-of-different-ridge-preservation-techniques-a-randomized-clinical-study
#10
Stefan Fickl, Kai Fischer, Nicole Petersen, Arndt Happe, Markus Schlee, Ulrich Schlagenhauf, Moritz Kebschull
The objective of this study was to quantitatively determine ridge contour changes after different alveolar ridge preservation techniques. An initial total of 40 patients provided a final total of 35 single-gap extraction sites. After tooth removal, the socket was subjected to one of four treatment modalities: placement of a deproteinized bovine bone mineral (DBBM; Endobon) covered with a soft tissue punch from the palate (Tx1); placement of DBBM without soft tissue punch (Tx2); placement of an adsorbable collagen membrane (Osseoguard) covering the DBBM (Tx3); and no additional treatment (control)...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28402349/partial-extraction-therapies-pet-part-2-procedures-and-technical-aspects
#11
Howard Gluckman, Maurice Salama, Jonathan Du Toit
Part 1 of this series introduced the partial extraction therapies as a group of techniques for ridge preservation at immediate implant placement and beneath pontic sites. The concept proposes a paradigm shift away from extract and augment toward partly retaining the tooth root to preserve the ridge and prevent buccopalatal collapse. The revolutionary socket-shield technique was introduced in 2010; however, there has been no follow-up literature to guide the clinician in terms of procedural steps. While root submergence is well established, the socket-shield and pontic shield are still in their clinical infancy and require long-term clinical data before they can be proposed as routine in everyday implant dentistry...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28396957/-transcutaneous-osseointegrated-prosthesis-top-after-limb-amputation-status-quo-and-perspectives
#12
Christian Willy, Christian Krettek
The majority of transfemoral and transtibial amputees can be functionally fitted with conventional suspension sockets; however, due to socket problems using conventional stump care, 60% of the patients have limited function and even in younger patients approximately one sixth are unable to wear the prosthesis daily. After the introduction of transcutaneous osseointegrated prostheses (TOP) the inherent problems of socket-stump care can be avoided for these patients. Against this background this article reviews the recent clinical development of TOP in Sweden, Germany, the Netherlands, Australia and USA currently in nine centers...
April 10, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28393911/deterministic-bead-in-droplet-ejection-utilizing-an-integrated-plug-in-bead-dispenser-for-single-bead-based-applications
#13
Hojin Kim, In Ho Choi, Sanghyun Lee, Dong-Joon Won, Yong Suk Oh, Donghoon Kwon, Hyung Jin Sung, Sangmin Jeon, Joonwon Kim
This paper presents a deterministic bead-in-droplet ejection (BIDE) technique that regulates the precise distribution of microbeads in an ejected droplet. The deterministic BIDE was realized through the effective integration of a microfluidic single-particle handling technique with a liquid dispensing system. The integrated bead dispenser facilitates the transfer of the desired number of beads into a dispensing volume and the on-demand ejection of bead-encapsulated droplets. Single bead-encapsulated droplets were ejected every 3 s without any failure...
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28393822/anodized-dental-implant-surface
#14
REVIEW
Sunil Kumar Mishra, Muktadar Anand Kumar, Ramesh Chowdhary
PURPOSE: Anodized implants with moderately rough surface were introduced around 2000. Whether these implants enhanced biologic effect to improve the environment for better osseointegration was unclear. The purpose of this article was to review the literature available on anodized surface in terms of their clinical success rate and bone response in patients till now. MATERIALS AND METHODS: A broad electronic search of MEDLINE and PubMed databases was performed. A focus was made on peer-reviewed dental journals...
January 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28393820/comparison-of-gray-values-of-cone-beam-computed-tomography-with-hounsfield-units-of-multislice-computed-tomography-an-in-vitro-study
#15
Sanjana Patrick, N Praveen Birur, Keerthi Gurushanth, A Shubhasini Raghavan, Shubha Gurudath
PURPOSE: Hounsfield unit (HU) provides a quantitative evaluation of bone density. The assessment of bone density is essential for successful treatment plan. Although, multislice computed tomography (MSCT) is considered as gold standard in evaluating bone density, cone-beam computed tomography (CBCT) is frequently used in dentomaxillofacial imaging due to lower radiation dose, less complex device, and images with satisfactory resolution. AIMS AND OBJECTIVES: The aim of this study is to determine and compare the gray value and HU value of hypodense and hyperdense structures on CBCT and MSCT, respectively...
January 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28393367/increasing-popularity-of-waterpipe-tobacco-smoking-and-electronic-cigarette-use-implications-for-oral-healthcare
#16
REVIEW
C P Ramôa, T Eissenberg, S E Sahingur
Cigarette smoking increases the risk of developing several systemic conditions including cancer, cardiovascular and pulmonary diseases. Cigarette smoking is also detrimental to oral health as it increases the incidence and severity of oral cancer, periodontal diseases and peri-implantitis, as well as impacting negatively on the dental patients' response to therapy. Therefore, consideration of smoking behavior and recommendation of smoking cessation are important parts of dental treatment planning. However, cigarettes are no longer the most popular form of tobacco use among adolescents in the United States and globally...
April 10, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28390826/estimation-of-date-of-death-through-wound-healing-of-an-extraction-socket-a-case-report
#17
Joan Viciano, Ruggero D'Anastasio, Cristian D'Ovidio, Sara Costantini, Aldo Carnevale, Luigi Capasso
Surgical extraction of teeth due to dental pathologies is a relatively common procedure in modern man. The healing of the wound that results occurs in gradual and sequential stages, such that the analysis of this repair process can be very useful in forensic investigations on human remains. The following study reports on a particular case where the remodeling of a tooth socket allowed an estimation of the time that had elapsed from the day of the surgical extraction of the tooth to the time of death. The corpse was that of a woman of 34 years...
March 27, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28384521/rna-isolation-from-alveolar-bone-and-gene-expression-analysis-of-rank-rankl-and-opg-a-new-tool-to-monitor-bone-remodeling-and-healing-in-different-bone-substitutes-used-for-prosthetic-rehabilitation
#18
Elena Canciani, Claudia Dellavia, Monica Gioia Marazzi, Davide Augusti, Daniela Carmagnola, Elena Vianello, Luigi Canullo, Emanuela Galliera
OBJECTIVE: (i) To validate a simple and efficient method for extracting high quality RNA from small samples of bone tissue, (ii) to test its application on limited amounts of grafted oral bone and (iii) to analyze the gene expression of the OPG/RANK/RANKL system and IL-6 in "spontaneous healing" and grafted tissue. DESIGN: 26 patients in need of extraction of one lower molar tooth were divided in 3 groups. In group A (8 patients) the alveolar socket was left for spontaneous healing, in group B (8 patients) it was filled with a hydroxyapatite scaffold while in group C (10 patients) it was filled with hydroxyapatite granules...
March 28, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28377115/this-is-your-new-normal-a-qualitative-study-of-barriers-and-facilitators-to-physical-activity-in-veterans-with-lower-extremity-loss
#19
Alyson J Littman, Erin D Bouldin, Jodie K Haselkorn
BACKGROUND: Regular physical activity (PA) is essential for aging well with a disability, preventing the onset or worsening of chronic conditions, functional loss, and maintaining or improving quality of life, yet PA levels are low in those with disabilities, including those with a lower extremity amputation (LEA). OBJECTIVE: To determine methods for promoting PA in this population, our objective was to better understand the barriers and facilitators to PA that persons with LEA face...
March 22, 2017: Disability and Health Journal
https://www.readbyqxmd.com/read/28375653/an-innovative-method-of-ocular-prosthesis-fabrication-by-bio-cad-and-rapid-3-d-printing-technology-a-pilot-study
#20
Shahid Alam, M Sugavaneswaran, G Arumaikkannu, Bipasha Mukherjee
Ocular prosthesis is either a readymade stock shell or custom made prosthesis (CMP). Presently, there is no other technology available, which is either superior or even comparable to the conventional CMP. The present study was designed to fabricate ocular prosthesis using computer aided design (CAD) and rapid manufacturing (RM) technology and to compare it with custom made prosthesis (CMP). The ocular prosthesis prepared by CAD was compared with conventional CMP in terms of time taken for fabrication, weight, cosmesis, comfort, and motility...
April 4, 2017: Orbit
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