نتایج جستجو برای: stain theory

تعداد نتایج: 803842  

Journal: :Indian journal of medical microbiology 2006
D K Mendiratta K Bhutada R Narang P Narang

Rapid diagnosis is a prerequisite for institution of effective treatment and reducing the mortality and morbidity of falciparum malaria. This study was taken up to compare the efficacy of various rapid methods viz, acridine orange, Plasmodium falciparum histidine rich protein II antigen detection and Field's stain with traditional microscopy i.e, Leishman stain for diagnosing falciparum malaria...

Journal: :American journal of dentistry 2010
Tao He John M Dunavent Susan K Fiedler Robert A Baker

PURPOSE To evaluate the extrinsic stain profiles of two experimental stannous-containing dentifrice prototypes compared to two marketed control dentifrices. METHODS This was a 5-week, randomized, four-treatment, parallel group, double-blind clinical trial of healthy adults. Following a baseline Lobene Stain Index evaluation, subjects received a prophylaxis limited to the 12 anterior teeth to ...

آقایان, شبنم, سادات منصوری, سعید, محمودی, زهرا, همت پور, سیامک,

خلاصه: سابقه و هدف : تأثیر مثبت کلرهگزیدین بر شاخصهای پریودنتال در بسیاری از مطالعات به اثبات رسیده است،اما ایجاد رنگدانه توسط این ماده،مانع از استفاده طولانی مدت آن می گردد.در نتیجه در این تحقیق،سعی شده است تا به بررسی تأثیر کلرهگزیدین باغلظت پایین بر شاخصهای پریودنتال و میزان stain در بیماران تحت درمان ارتودنسی ثابت پرداخته شود. مواد و روشها :این مطالعه به صورت single blind randomized clinica...

MR Mortazavi Z Safaei Naraghi

Acquired port-wine stain is a rare vascular lesion that mimics a congenital port-wine stain clinically and histologically, but is acquired after birth. A survey on more than 60 reported cases in the literature reveals that most of these cases are idiopathic, but some of the cases developed after physical or mechanical trauma, hormonal changes, chronic sun exposure, and medications (OCP, i...

2015
Tomohiro Taniguchi Sanefumi Tsuha Soichi Shiiki Masashi Narita

BACKGROUND The Gram stain has been used as an essential tool for antimicrobial stewardship in our hospital since the 1970s. The objective of this study was to clarify the difference in the targeted therapies selected based on the Gram stain and simulated empirical therapies based on the antimicrobial guidelines used in Japan. METHODS A referral-hospital-based prospective descriptive study was...

Journal: :Journal of dental research 1979
A Koran J M Powers P J Lepeak R G Craig

The resistance of three silicone and one polyvinyl chloride maxillofacial materials to staining by tea, lipstick, and disclosing solution was measured by reflectance spectrophotometry. Changes in color caused by staining were larger than changes caused by color instability of the base elastomers or pigments under conditions of accelerated aging.

Journal: :The Journal of clinical dentistry 2012
Venda P Maloney James Kemp Fotinos Panagakos Luis R Mateo

OBJECTIVE The purpose of this laboratory study was to evaluate extrinsic stain removal from teeth by a specially engineered sonic powered toothbrush with unique sensing and control technologies, using the Triple Clean and the Sensitive refill brush heads, in comparison to a manual flat-trim toothbrush. METHODS Twelve (12) artificially stained bovine teeth were tested with each product. The pe...

Journal: :The Journal of clinical dentistry 2007
Tao He Robert Baker Robert D Bartizek Aaron R Biesbrock Eros Chaves Geza Terézhalmy

OBJECTIVE Two randomized, six-week, double-blind, parallel group, clinical trials were independently conducted to compare the extrinsic stain removal efficacy of a novel whitening therapeutic dentifrice containing 0.454% stannous fluoride and sodium hexametaphosphate in a formulation with high cleaning silica, relative to a positive control whitening dentifrice. METHODOLOGY Generally healthy ...

Journal: :The Ohio journal of science 1948
R V HERSHBERGER

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