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Laser Surgery Medical and Health News Headlines
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All Recent Laser Surgery Medical News Headlines |
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Efficacy of high intensity diode laser as an adjunct to non-surgical periodontal treatment: a randomized controlled trial
Abstract The high intensity diode laser has been studied in periodontics for the reduction of subgingival bacteria in non-surgical
treatment. Our study evaluated the bacterial effect as well as changes in periodontal clinical parameters promoted by root
scaling and planing associated with this wavelength. Twenty-seven patients randomly assigned in two groups underwent root
scaling and planing on the tested sites, and only the experimental group received the diode laser irradiation. Among the clinical
parameters studied, the clinical probing depth (CPD) and the clinical attachment level (CAL) resulted in significant enhancement
in the control group when compared with the experimental group (P = 0.014 and P = 0.039, respectively). The results were similar for both gro......
POSTED 02/03/2010 at 11:54 AM --
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High power-pulsed Nd:YAG laser as a new stimulus to induce BMP-2 expression in MC3T3-E1 osteoblasts
This study investigated osteoblast responses to high-power laser and combined irradiation with BMP-2 treatment.MC3T3-E1 pre-osteoblasts were exposed to laser irradiation, 100 ng/ml BMP-2 or both. Cells were irradiated with a Q-switched, pulsed neodymium-doped yttrium aluminum garnet (Nd:YAG) laser, with a 1,064 nm wavelength and 0.75 W output power under 1.5, 3, or 5 J/cm2 energy densities. Cell proliferation was evaluated using tetrazolium salt, WST-8. To determine the effect of these treatments on in vitro osteogenesis, we examined alkaline phosphatase (ALP) activity, mineral deposition, and expression of genes associated with osteogenesis. Quantitative real time PCR or ELISA was used to examine cytokine expression. In each experiment, either non-irradiated or BMP-2 (100 ng/ml)-treated c......
POSTED 02/01/2010 at 06:00 PM --
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Evaluation of carbon dioxide laser irradiation associated with calcium hydroxide in the treatment of dentinal hypersensitivity. A preliminary study
Abstract Attempts have been made to treat dentinal hypersensitivity by sealing exposed dentinal tubules, and the carbon dioxide (CO2) laser has been shown to have a sealing effect on dentinal surfaces. The purpose of this study was to analyze the morphological
ultra-structure and temperature change after CO2 laser irradiation of dentin. Fourteen human third molars were selected and cleaned. An area was delimited, and the samples
were randomly divided into seven groups: Group 1 (G1): control; G2, calcium hydroxide paste (CA) + CO2 laser (L) (0.5 W/63,69 W/cm2); G3, CA + L (1 W/125,38 W/cm2); G4, CA + L (1.5 W/191,08 W/cm2); G5, L (0.5 W); G6, L (1 W); G7, L (1.5 W). All irradiation was performed in unfocused mode. The electro......
POSTED 02/01/2010 at 12:04 PM --
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The "Hassle" of LASIK?
There is one primary reason why LASIK has rocketed to popularity over the last decade, and it has to do with the quick recovery and results. There are few if any medical procedures where the results are so predictable and rapid as in LASIK laser vision correction. Although as with any medical procedure their are risks and complications, for the vast majority of patients undergoing this procedure, the vision is restored to normal levels virtually overnight. Despite this fact, many potential LASIK candidates are cautious due to their previous experience with contact lenses.
This is the secret question that many potential LASIK patients ask themselves: "If my eyes can be so uncomfortable with a tiny glob of mascara underneath them, how will I tolerate h......
POSTED 02/01/2010 at 11:30 AM --
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Spectrophotometers for the clinical assessment of port-wine stain skin lesions: a review
Abstract Reflectance spectrophotometry is the most established and widely used objective technique for the assessment of port-wine
stain (PWS) skin, and has been applied extensively in other dermatological applications. To date, no review has been published
regarding the different spectrophotometric devices used on PWS skin. This paper comprises such a review, introducing the reader
to the relevant background material and then discussing scanning, narrow-band and tristimulus spectrophotometers in turn.
Scanning spectrophotometry is the most versatile of the three methods but it is noted that considerable expertise is required
to interpret the acquired data. Narrow-band and tristimulus devices are available at a much lower price and can be considerably
simpler to use. They ......
POSTED 01/20/2010 at 12:44 AM --
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A Different Way To See
Dishler Laser Institute, is not just a name, it is really an eye research center which has conducted numerous clinical trials over almost two decades to help advance the field of eye surgery and vision. We have been part of many aspects of laser vision development while maintaining an active clinical practice. Most recently we have been selected as one of just five clinical sites to implant the Revision Lens into properly selected and informed candidates as part of an FDA clinical trial currently pending final approval. These patients will all be people who have had great vision all of their lives, and now in their mid-life, are experiencing an inability to see well at near. The lens is carefully implanted as a minor surgical procedure just beneath the surface......
POSTED 01/19/2010 at 10:25 AM --
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Effects of laser and acid etching and air abrasion on mineral content of dentin
Abstract The aim of this study was to evaluate the mineral content of dentin prepared using an Er,Cr:YSGG laser at four different power
settings, acid etching, and air abrasion. The study teeth comprised 35 molars which were randomly divided into seven equal
groups. The occlusal third of the crowns were cut with a slow-speed diamond saw. The groups were as follows: group A, control
group; group B, dentin etched with 35% buffered phosphoric acid for 30 s; group C, dentin abraded at 60 psi with 50-µm aluminium
oxide for 1 s; groups D–G, dentin irradiated with the Er,Cr:YSGG laser at 1.50 W (group D), 2.25 W (group E), 3.00 W (group
F), and 3.50 W (group G). The levels of Mg, P, Ca, K and Na in each dentin slab were measured by inductively......
POSTED 01/18/2010 at 12:47 PM --
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I Hate My Glasses Video Contest to Win Free LASIK Vision Correction
There will be two winners: Details HERE.
One humorous LASIK video and one serious LASIK video will be chosen. Submitted You Tube videos must be at the minimum 2 minutes in length but no longer than 4 minutes.
We know every video requires some work on your part, so everyone who submits a video will be sent a coupon via e-mail for $500 off bilateral Custom All Laser LASIK surgery. ($250 off per eye – may not be combined with other discounts or offers, no cash value, etc.).
4 finalists will be chosen by Dishler Laser Institute. Finalists must agree to come into our office to determine their candidacy for LASIK. The 2 winners chosen must be a candidate for LASIK, and agree to the terms and conditions of the contest. The two winners will receive Free Custom All Laser LASIK ......
POSTED 01/12/2010 at 11:35 AM --
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Carbon Dioxide (CO2) Laser-Assisted Ablation of Lumbar Discal Cyst
Photomedicine and Laser Surgery Dec 2009, Vol. 27, No. 6: 837-842. (Source: Photomedicine and Laser Surgery)...
POSTED 12/26/2009 at 06:43 PM --
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Editorial Comment
Photomedicine and Laser Surgery Dec 2009, Vol. 27, No. 6: 965-966. (Source: Photomedicine and Laser Surgery)...
POSTED 12/26/2009 at 06:43 PM --
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Author's Reply
Photomedicine and Laser Surgery Dec 2009, Vol. 27, No. 6: 967-968. (Source: Photomedicine and Laser Surgery)...
POSTED 12/26/2009 at 06:42 PM --
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Successful Combination Therapy For Severe Infantile Hemangiomas: Case Report and Literature Search
Photomedicine and Laser Surgery Dec 2009, Vol. 27, No. 6: 973-977. (Source: Photomedicine and Laser Surgery)...
POSTED 12/26/2009 at 06:42 PM --
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Advances and Perspectives on Tissue Repair and Healing*
Photomedicine and Laser Surgery Dec 2009, Vol. 27, No. 6: 833-836. (Source: Photomedicine and Laser Surgery)...
POSTED 12/26/2009 at 06:38 PM --
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Photomedicine and LLLT Literature Watch
Photomedicine and Laser Surgery Dec 2009, Vol. 27, No. 6: 979-980. (Source: Photomedicine and Laser Surgery)...
POSTED 12/26/2009 at 06:38 PM --
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Calendar of Laser Courses and Meetings
Photomedicine and Laser Surgery Dec 2009, Vol. 27, No. 6: 981-982. (Source: Photomedicine and Laser Surgery)...
POSTED 12/26/2009 at 06:38 PM --
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Potential Antidepressant Effect of Infrared Irradiation has Seasonality
Photomedicine and Laser Surgery Dec 2009, Vol. 27, No. 6: 943-946. (Source: Photomedicine and Laser Surgery)...
POSTED 12/26/2009 at 06:38 PM --
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Save up to $48,373 by Having LASIK Vision Correction
Quite candidly, the perception of many people as well as our own was that a primary determinant of the affordability of LASIK was strongly related to the cost of having it done. We wonder if centers that charge slightly more or less than others benefit or are hurt by placing financial stress on the patients who elect to choose them. We are concerned about how important the cost of the procedure weighs in the average patient's decision. Therefore, we decided to model the costs of LASIK at our current charges for the procedure as compared to the costs of glasses, contacts, solutions, and routine eye care to see just how much of a premium was involved for those who choose this option. We expected LASIK to cost more, and were very surpised just the opposite.&......
POSTED 12/26/2009 at 09:49 AM --
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Photodynamic therapy as an adjunctive treatment for chronic periodontitis: a meta-analysis
Abstract Several antimicrobial strategies have been proposed in response to the alarming rise in antimicrobial resistance of periodontal
pathogens. Antimicrobial photodynamic therapy (a-PDT) is a promising novel approach that has been used in several clinical
applications including in the treatment of periodontal diseases. The aim of this review was to systematically investigate
the effectiveness of a-PDT as an adjuvant treatment for chronic periodontitis. The guidelines of the Quality of Reporting
of Meta-analyses (QUOROM) conference statement were followed in the preparation of this meta-analysis. An electronic search
for randomized controlled trials (RCTs) that investigated the combined use of scaling and root planing (SRP) and a-PDT in
comparison with SRP alone was per......
POSTED 12/18/2009 at 10:41 AM --
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Influence of different power outputs of erbium, chromium:yttrium–scandium–gallium–garnet laser and acid etching on shear bond strengths of a dual-cure resin cement to enamel
Abstract The purpose of the study was to determine if the irradiation of enamel with laser of different output powers might be viable
alternatives to acid etching for the bonding of resin luting agents. Seventy-seven maxillary central incisors, extracted for
periodontal reasons, were used. The enamel was etched with an erbium, chromium:yttrium–scandium–gallium–garnet (Er,Cr:YSGG)
laser operated at one of six power outputs (0.5 W, 0.75 W, 1 W, 1.5 W, 1.75 W and 2 W) or with 38% phosphoric acid. Seventy
teeth were used for the bond strength experiments, and the remaining seven (one specimen for each group) were used for scanning
electron microscopy (SEM) to determine the topography and morphology of the treated enamel surface. The acid-etch......
POSTED 12/17/2009 at 01:04 AM --
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Five Secrets of "WOW LASIK" Vision
PREPARATION- This includes a thorough evaluation, education and meeting with the patient to be sure that we can meet their expectations and to limit their expectations to what is reasonable to expect. For instance we cannot be as assured of a perfect result in extremely bad corrections and we also warn about reading vision in patients who are a bit older. Preparation also includes putting in temporary punctal plugs in every patient since some degree of dry eye immediately post operatively is common and best to be avoided. We also use a proprietary mixture of medications tailored to the patient to make them comfortable and relaxed for their procedure. The secret is to avoid the unexpected and make the flow of experience for the patient as pleasant as possible.
EXPE......
POSTED 12/15/2009 at 10:05 AM --
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