نتایج جستجو برای: fractional co2 laser

تعداد نتایج: 309781  

Journal: :Open Access Macedonian Journal of Medical Sciences 2018

M Mandegar Fard N Farsi

Lymphangioma circumscriptum is a congenital lymphatic malformation that results in gradual dilatation of lymphatic vessels and development of lymphatic cisterns. The treatment of choice is radical surgery. Other treatment methods including cryotherapy, sclerosing agent injections, radiation therapy and CO2 laser were suggested. We report successful treatment of a 14-year-old boy affected with l...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
مهشید محمدی بصیر mahshid mohammadi basir shahed university, tehran- iran.دانشگاه شاهد محمد باقر رضوانی mohammad bagher rezvani shahed university, tehran- iran.دانشگاه شاهد نسیم چینی فروش nasim chiniforoush tehran university of medical sciences, tehran- iran.دانشگاه علوم پزشکی تهران زهره مرادی zohreh moradi shahed university, tehran- iran.دانشگاه شاهد

objective: the aim of this study was to evaluate and compare the effect of dental surface treatment with er:yag , nd:yag ,co2 lasers and sodium ascorbate to recently laser bleached enamel by scanning electron microscope (sem). methods: 15caries-free extracted human third molars were selected for this study. the samples were bleached by heydent jw power activated by diode laser 810 nm. after 7 d...

Journal: :فیزیک کاربردی 0
سمیه مرتضوی دانشگاه الزهرا سجاد بتول دانشگاه الزهرا محسن منتظرالقائم سازمان انرژی اتمی

in this paper, the output power behavior of the wave-guide cw-co2 laser versus efficient parameters of laser performance was investigated. the output power variation versus the discharge current, the pressure and the gas mixture ratio was studied and optimized. the maximum output powers of 6 and 14.5 w were respectively obtained at operating pressures 78 and 50 mbar in two tubes of 3 mm same di...

Journal: :journal of lasers in medical sciences 0
nasim chiniforush laser research center of dentistry (lrcd), school of dentistry of tehran university of medical sciences abbas kamali periodontist, tehran, iran sima shahabi laser research center of dentistry, dental materials department, school of dentistry of tehran university of medical sciences. tehran, iran seyyed hossein bassir dentist, tehran, iran

introduction: definitive treatment of oral leukoplakia is very important because of its recurrences and malignant transformation depending on the location, clinical feature,degree of dysplasia and etiological factors. there are different kinds of treatment for this lesion, but using high power laser has some advantages like less pain, swelling, prevention of metastasis, edema, less bleeding (dr...

2016
Mauro Barone Stefania Tenna Annalisa Cogliandro Vincenzo Panasiti Carolina Nobile Paolo Persichetti

Aim: The aim of this study is to evaluate the efficacy of the protocol of nanofat and platelet-rich plasma (PRP) infiltration and fractional CO2 laser resurfacing for face atrophic scars by acne and to analyse patient’s satisfaction with the original questionnaire. Methods: From March 2014 to June 2015, 30 patients with acne scarsonthe cheeks were selected for this pilot study. Patients were ev...

Mahmood Tabatabaei,

SUMMARY We have discussed in this article, about usages of Laser (Cortype) In Neurological - Surgery, In the beginning of the article, historical considerations have been written, then specifications of laser light have been noted, including the functions of laser. In this article, types of laser have been matched. In the another part of article, advantages of Co2 . laser have been mentioned,...

Varicella is a common viral infection that occasionally results in scar. Despite a number of measurements taken to combat this infection, they have all been either impractical or limited.The current study presents a 28-year-old woman diagnosed with varicella 10 years ago which caused her to have several depressed skin scars over the face. She was subjected to sequential treatment of punch eleva...

Journal: :Journal of cosmetic and laser therapy : official publication of the European Society for Laser Dermatology 2015
Maria Claudia Almeida Issa Marianna Pires Priscilla Silveira Esther Xavier de Brito Cristiane Sasajima

BACKGROUND Transepidermal drug delivery (TED) is a new potential method in dermatology. Permeability alterations induced by ablative fractional resurfacing have been described with the aim to increasing the delivery of different substances into the skin. OBJECTIVE To evaluate clinical response and side effects of TED in areata alopecia (AA) treatment using ablative fractional methods associat...

ژورنال: مجله دندانپزشکی 2011
آذری, عباس, اصلانی, پویا, خلیل, محمد احسان, شهابی, سیما, نیکزاد, سکینه,

Background and Aims: Reliable bonding between tooth substrate and zirconia-based ceramic restorations is always of great importance. The laser might be useful for treatment of ceramic surfaces. The aim of the present study was to investigate the effect of laser irradiation on the shear bond strength of zirconia ceramic surface to dentin. Materials and Methods: In this experimental in vitro stu...

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