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https://www.readbyqxmd.com/read/28652898/effects-of-root-debridement-with-hand-curettes-and-er-yag-laser-on-chemical-properties-and-ultrastructure-of-periodontally-diseased-root-surfaces-using-spectroscopy-and-scanning-electron-microscopy
#1
Reza Amid, Gholam Ali Gholami, Masoud Mojahedi, Maryam Aghalou, Mohsen Gholami, Mahdieh Mirakhori
Introduction: The efficacy of erbium-doped yttrium aluminum garnet (Er:YAG) laser for root debridement in comparison with curettes has been the subject of many recent investigations. Considering the possibility of chemical and ultra-structural changes in root surfaces following laser irradiation, this study sought to assess the effects of scaling and root planing (SRP) with curettes and Er:YAG laser on chemical properties and ultrastructure of root surfaces using spectroscopy and scanning electron microscopy (SEM)...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28639682/introduction-to-force-dependent-kinematics-theory-and-application-to-mandible-modeling
#2
Andersen Michael S, de Zee Mark, Damsgaard Michael, Nolte Daniel, Rasmussen John
Knowledge of the muscle, ligament and joint forces is important when planning orthopedic surgeries. Since these quantities cannot be measured in vivo under normal circumstances, the best alternative is to estimate them using musculoskeletal models. These models typically assume idealized joints, which are sufficient for general investigations but insufficient if the joint in focus is far from an idealized joint. The purpose of this study was to provide the mathematical details of a novel musculoskeletal modelling approach, called Force-dependent Kinematics (FDK), capable of simultaneously computing muscle, ligament and joint forces as well as internal joint displacements governed by contact surfaces and ligament structures...
June 22, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28637585/effects-of-periodontal-endoscopy-on-the-treatment-of-periodontitis-a-systematic-review-and-meta-analysis
#3
REVIEW
Yunchun Kuang, Bo Hu, Jin Chen, Ge Feng, Jinlin Song
BACKGROUND: For this systematic review, the authors evaluated and synthesized the available scientific evidence related to the effects of periodontal endoscopy on the treatment of periodontitis. METHODS: The authors searched PubMed, Embase, Cochrane Library, Chinese Scientific Journals database, China National Knowledge Infrastructure, and Chinese Medicine Premier's Wanfang database for articles about periodontal endoscopy that were published through January 2017...
June 18, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28631896/boric-acid-gel-as-local-drug-delivery-in-the-treatment-of-class-ii-furcation-defects-in-chronic-periodontitis-a-randomized-controlled-clinical-trial
#4
Sandeep Singhal, Avani Raju Pradeep, Dharmendra Kanoriya, Shruti Garg, Vibhuti Garg
AIM: Boric acid (BA) exhibits antibacterial, anti-inflammatory, as well as osteoblastic, activity. The aim of the present study was to explore the efficacy of 0.75% BA gel as a local drug-delivery system in adjunct to scaling and root planing (SRP) for the treatment of class II furcation defects in comparison with placebo gel. METHODS: A total of 48 mandibular class II furcation defects were randomized and treated with either 0.75% BA gel or placebo gel. Clinical parameters were recorded at baseline, 3 months, and 6 months, while radiographic parameters were recorded at baseline and 6 months...
June 20, 2017: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/28631250/lactobacillus-salivarius-nk02-a-potent-probiotic-for-clinical-application-in-mouthwash
#5
Neda Sajedinejad, Mojgan Paknejad, Behzad Houshmand, Hakimeh Sharafi, Reza Jelodar, Hossein Shahbani Zahiri, Kambiz Akbari Noghabi
A specific strain of naturally occurring oral lactobacilli was isolated and identified based on morphological, biochemical, and 16S rRNA gene sequencing. The phylogenetic affiliation of the isolate confirmed that the NK02 strain had close association with the Lactobacillus salivarius. An effective mouthwash was developed for treatment of periodontitis and suppression of the indicator bacterium Aggregatibacter actinomycetemcomitans which is an obvious pathogen of periodontal disease. The mouthwash containing L...
June 19, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28628539/effects-of-an-off-axis-pivoting-elliptical-training-program-on-gait-function-in-persons-with-spastic-cerebral-palsy-a-preliminary-study
#6
Liang-Ching Tsai, Yupeng Ren, Deborah J Gaebler-Spira, Gadi A Revivo, Li-Qun Zhang
This preliminary study examined the effects of off-axis elliptical training on reducing transverse-plane gait deviations and improving gait function in 8 individuals with cerebral palsy (CP) (15.5 ± 4.1 years) who completed an training program using a custom-made elliptical trainer that allows transverse-plane pivoting of the footplates during exercise. Lower-extremity off-axis control during elliptical exercise was evaluated by quantifying the root-mean-square and maximal angular displacement of the footplate pivoting angle...
July 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28628160/-evaluation-of-the-correction-of-the-skeletal-class-iii-malocclusion-by-distalization-of-the-whole-mandible-dentition-with-micro-implant-anchorage
#7
(no author information available yet)
OBJECTIVE: To evaluate the clinical effect of distalizing mandibular dentition with micro-implant in patients with skeletal class III malocclusion. METHODS: In the study, 20 patients with skeletal class IIImalocclusion were selected. They are consist of 8 males and 12 female with an age range from 16 to 38 years old and an average age of (21.5±5.6) years.They were treated with straight wire technique and the implant were inserted into the mandibular external oblique line to distlize the lower dentition to a class I molar relationships...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28624914/the-effects-of-a-desiccant-agent-in-the-treatment-of-chronic-periodontitis-a-randomized-controlled-clinical-trial
#8
Gaetano Isola, Giovanni Matarese, Ray C Williams, Vincenzo Iorio Siciliano, Angela Alibrandi, Giancarlo Cordasco, Luca Ramaglia
OBJECTIVE: Chemotherapeutic agents have been widely used as adjuncts for the treatment of chronic periodontitis (CP). This study investigated and compared a desiccant agent as an adjunct to scaling and root planing (SRP) versus SRP alone for the treatment of CP. MATERIALS AND METHODS: Thirty-six patients with CP were studied. Using a split-mouth design, the maxillary right and left quadrants were randomly assigned to SRP plus desiccant (Hybenx® EPIEN Medical, Inc...
June 17, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28621288/photodvnamic-therapy-in-endodontics
#9
Zahed Mohammadi, Hamid Jafarzadeh, Sousan Shalavi, Jun-Ichiro Kinoshita
Commonly used irrigants do not always eradicate the entire microbial flora in infected root canals. Therefore, several other strategies, such as photodynamic therapy (PDT) have been developed. Photoactivated disinfection is based on the interaction of a photosensitive antibacterial agent and a light source. It uses a nontoxic dye named photosensitizer (PS) and low-intensity visible light. In oxygen presentation, these combine to produce some cytotoxic species. The PS molecules attach to bacteria membrane. Irradiation with a specific wavelength of the light may lead to the production of singlet oxygen, resulting in rupture of the microbial cell wall...
June 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28606708/hurwitz-stability-analysis-of-fractional-order-lti-systems-according-to-principal-characteristic-equations
#10
Baris Baykant Alagoz
With power mapping (conformal mapping), stability analyses of fractional order linear time invariant (LTI) systems are carried out by consideration of the root locus of expanded degree integer order polynomials in the principal Riemann sheet. However, it is essential to show the left half plane (LHP) stability analysis of fractional order characteristic polynomials in the s plane in order to close the gap emerging in stability analyses of fractional order and integer order systems. In this study, after briefly discussing the relation between the characteristic root orientations and the system stability, the author presents a methodology to establish principal characteristic polynomials to perform the LHP stability analysis of fractional order systems...
June 9, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28601733/effect-of-1-2-of-simvastatin-gel-as-a-local-drug-delivery-system-on-gingival-crevicular-fluid-interleukin-6-interleukin-8-levels-in-non-surgical-treatment-of-chronic-periodontitis-patients
#11
Gayathri Gunjiganur Vemanaradhya, Shilpa Emani, Dhoom Singh Mehta, Shilpy Bhandari
AIM: The present study was carried out to evaluate the effect of 1.2% simvastatin gel as local drug delivery (LDD) system on Gingival Crevicular Fluid (GCF) Interleukin -6 (IL-6) and Interleukin-8 (IL-8) levels in chronic periodontitis patients, in addition to scaling and root planing (SRP). METHODS: A total of 46 chronic periodontitis patients were equally divided into two groups. Group I patients were treated by SRP; Group II patients were treated by SRP followed by LDD of 1...
June 3, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28598285/effect-of-non-surgical-periodontal-therapy-along-with-myo-inositol-on-high-sensitivity-c-reactive-protein-and-insulin-resistance-in-polycystic-ovary-syndrome-women-having-chronic-periodontitis-a-randomized-controlled-trial
#12
Dr Deepti, Dr Shikha Tewari, Dr Satish Chander Narula, Dr Savita Rani Singhal, Dr Rajinder Kumar Sharma
BACKGROUND: The purpose of this study was to evaluate the effect of non-surgical periodontal therapy along with medical treatment on the level of serological marker of inflammation {high sensitivity-C Reactive Protein (hsCRP)} and Insulin resistance{Homeostatic Model Assessment(HOMA)} in Polycystic ovarian syndrome (PCOS) women having periodontitis. METHODS: Women having PCOS with chronic periodontitis (n=60) were randomly divided into two groups. Test Group: treated with scaling and root planing along with Myo-inositol and Control Group: treated with Myo-inositol along with oral hygiene instructions...
June 9, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28583461/repair-of-v2-vertebral-artery-injuries-sustained-during-anterior-cervical-discectomy
#13
Evgenii Belykh, David S Xu, Kaan Yağmurlu, Ting Lei, Vadim A Byvaltsev, Curtis A Dickman, Mark C Preul, Peter Nakaji
BACKGROUND: The V2 segment of the vertebral artery (VA) typically runs through the transverse foramen of C2-C6. V2 injury may occur during anterior approaches to the cervical spine and can cause significant morbidity. We aimed to describe landmarks and microsurgical V2 repair techniques through the standard anterolateral cervical discectomy approach. METHODS: Five silicone-injected cadaveric heads (necks-C7) were dissected bilaterally. An anterolateral approach with C3-4, C4-5, and C5-6 discectomies and an ipsilateral VA injury were simulated...
June 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28580583/simultaneous-multislice-imaging-for-native-myocardial-t1-mapping-improved-spatial-coverage-in-a-single-breath-hold
#14
Sebastian Weingärtner, Steen Moeller, Sebastian Schmitter, Edward Auerbach, Peter Kellman, Chetan Shenoy, Mehmet Akçakaya
PURPOSE: To develop a saturation recovery myocardial T1 mapping method for the simultaneous multislice acquisition of three slices. METHODS: Saturation pulse-prepared heart rate independent inversion recovery (SAPPHIRE) T1 mapping was implemented with simultaneous multislice imaging using FLASH readouts for faster coverage of the myocardium. Controlled aliasing in parallel imaging (CAIPI) was used to achieve minimal noise amplification in three slices. Multiband reconstruction was performed using three linear reconstruction methods: Slice- and in-plane GRAPPA, CG-SENSE, and Tikhonov-regularized CG-SENSE...
June 5, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28580218/cryotherapy-as-a-conservative-treatment-modality-for-gingival-enlargement-in-a-patient-with-sturge-weber-syndrome
#15
Vikender Singh Yadav, Souvik Chakraborty, Shikha Tewari, Nitesh Tewari, Tuhina Ghosh
This case report describes a case of Sturge-Weber syndrome reported for unilateral gingival enlargement and bleeding from gingiva in maxillary left region. Initial treatment in the form of scaling and root planing was done but recurrence was observed after one year of follow up. Instead of performing conventional surgery, an alternative conservative treatment was planned in the form of cryotherapy with the help of closed nitrous oxide probe. Seeing the satisfactory results obtained, cryotherapy can be suggested as an atraumatic, bloodless and effective chair side procedure for treating vascular gingival enlargement...
May 2017: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/28571269/effect-of-pre-procedural-chair-side-finger-stretches-on-pinch-strength-amongst-dental-cohort-a-biomechanical-study
#16
Ninad Milind Padhye, Ashvini Mukul Padhye, Himani Swatantrakumar Gupta
INTRODUCTION: Ergonomics is the essential principle behind the health and successful practice for a dentist and dental hygienist. During the procedure of dental Scaling and Root Planing (SRP), a high level of pinch force is exerted by the finger muscles resulting in early muscle fatigue. AIM: This pilot study comparatively evaluated the Pinch Strength (PS) of the finger muscles, prior to and after SRP, amongst dental cohort performing chair-side hand and finger stretches to those not performing the same...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28569549/the-efficacy-of-a-video-based-marker-less-tracking-system-for-gait-analysis
#17
Alex Ong, Ian Sujae Harris, Joseph Hamill
Most clinical gait analyses are conducted using motion capture systems which track retro-reflective markers that are placed on key landmarks of the participants. An alternative to a three-dimensional (3D) motion capture, marker-based, optical camera system may be a marker-less video-based tracking system. The aim of our study was to investigate the efficacy of the use of a marker-less tracking system in the calculation of 3D joint angles for possible use in clinical gait analysis. Ten participants walked and jogged on a treadmill and their kinematic data were captured with a marker and marker-less tracking system simultaneously...
August 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28560241/single-view-geometric-calibration-for-c-arm-inverse-geometry-ct
#18
Jordan M Slagowski, David A P Dunkerley, Charles R Hatt, Michael A Speidel
Accurate and artifact-free reconstruction of tomographic images requires precise knowledge of the imaging system geometry. A projection matrix-based calibration method to enable C-arm inverse geometry CT (IGCT) is proposed. The method is evaluated for scanning-beam digital x-ray (SBDX), a C-arm mounted inverse geometry fluoroscopic technology. A helical configuration of fiducials is imaged at each gantry angle in a rotational acquisition. For each gantry angle, digital tomosynthesis is performed at multiple planes and a composite image analogous to a cone-beam projection is generated from the plane stack...
January 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28559203/is-antimicrobial-photodynamic-therapy-an-effective-treatment-for-chronic-periodontitis-in-diabetes-mellitus-and-cigarette-smokers-a-systematic-review-and-meta-analysis
#19
REVIEW
Nawwaf Al-Hamoudi
BACKGROUND: To determine whether treatment with antimicrobial photodynamic therapy (aPDT) as an adjunct to scaling and root planing (SRP) improves clinical, microbiological and immunological outcomes in type 2 diabetes mellitus (T2DM) and cigarette smokers with chronic periodontitis (CP). METHODS: Databases (MEDLINE, PubMed; Cochrane Central Register of Controlled Trials and Cochrane Oral Health Group Trials Register) were searched up to and including May 2017. The addressed PICO question was: "Does aPDT as an adjunct to SRP improves clinical, microbiological and immunological outcomes in T2DM and smokers with CP?" RESULTS: Six randomized clinical trials were included...
May 27, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28557642/comparing-the-efficiency-of-er-cr-ysgg-laser-and-diode-laser-on-human-%C3%AE-defensin-1-and-il-1%C3%AE-levels-during-the-treatment-of-generalized-aggressive-periodontitis-and-chronic-periodontitis
#20
Abdullah Seckin Ertugrul, Yasin Tekin, Ahmet Cemil Talmac
BACKGROUND: The aim of this study is to determine the suitability of the Er,Cr:YSGG and 940 ± 15-nm diode laser for the treatment of generalized aggressive periodontitis and chronic periodontitis by measuring the levels of human β-defensin-1 and IL-1β. PATIENTS AND METHODS: A total of 26 patients were included in this study. The study was designed as a "split-mouth" experiment. We performed scaling and root planing in the right maxillary quadrant, scaling and root planning + Er,Cr:YSGG laser in the left maxillary quadrant, scaling and root planning + 940 ± 15-nm diode laser in the left mandibular quadrant, and only scaling and root planing in the right mandibular quadrant...
May 30, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
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