نتایج جستجو برای: surface sealant

تعداد نتایج: 637282  

2015
Vaibhav Tandon Ravishanakar Telgi Lingesha Pradeep Shankar Tangade Amit Tirth Sumit Kumar Pal Chaitra Telgi Lingesha Vikram Arora Vipul Yadav

OBJECTIVES The aim of the study was to compare the effect of fifth and seventh generation bonding agent on sealant success. MATERIALS AND METHODS Sixty-four school children aged six to nine years received sealants in four permanent molars in a split mouth design, such that each patient received sealant in the first permanent molar with fifth generation bonding agent in one arch and seventh ge...

2012
Ruoyu Zhang Maximilian Bures Hans-Klaus Höffler Norman Zinne Florian Länger Theodosios Bisdas Axel Haverich Marcus Krüger

Background: Controversies surrounding the efficacy of surgical sealants against alveolar air leaks (AAL) in lung surgery abound in the literature. We sought to test the sealing efficacy of a novel synthetic sealant, TissuePatchTM in an in vitro lung model. Methods: The lower lobe of freshly excised swine lung (n = 10) was intubated and ventilated. A superficial parenchymal defect (40 × 25 mm) w...

Journal: :Pediatric dentistry 1985
O E Jensen F Perez-Diez S L Handelman

Four different commercially available sealants were placed in caries-free permanent premolars and molars for a total of 381 teeth in 53 young participants. The volumetric loss of sealant material was evaluated over a two-year period using a tooth replica technique previously published. The pattern of progressive sealant loss was similar for all materials and for molars and premolars. Approximat...

Journal: :American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics 2009
Nihar Tanna Elizabeth Kao Marcia Gladwin Peter W Ngan

INTRODUCTION The objective of this study was to compare the resistance to enamel demineralization between self-etching primer (SEP) and conventional sealant in vitro. METHODS A total of 120 molar sections were randomly assigned to 3 groups: SEP (Transbond Plus, 3M Unitek, Monrovia, Calif), sealant (Light Bond fluoride-releasing sealant, Reliance Orthodontic Products, Itasca, Ill), or control ...

2015
Cynthia Matossian Sarah Makari Richard Potvin

Clear corneal incisions are routinely used in cataract surgery, but watertight wound closure may not always be achieved, which can increase the risk for anterior chamber fluid egress or ocular surface fluid ingress. A new US Food and Drug Administration-approved ocular sealant appears to have good efficacy in sealing clear corneal incisions; its use may be indicated when wound integrity is in q...

Journal: :Pediatric dentistry 2006
Harout V Gostanian Zia Shey Chinnaswamy Kasinathan Jorge Caceda Malvin N Janal

PURPOSE The purposes of this study were to: (1) evaluate the ability of a laser fluorescence (LF) unit to detect simulated caries under pit and fissure sealants; (2) determine the effect of an opacifying agent in sealants on LF values; and (3) determine interexaminer reproducibility values of the unit in a highly controlled, laboratory setting. Sealant characteristics specifically considered we...

ابرقویی, امیر , بحرالعلومی, زهرا, سلیمانی, علی اصغر , موسوی نسب, مجید, کبودان, مونا ,

Introduction: Contamination of etched enamel to saliva before placement of sealant prevents the appropriate bonding and results in microleakage. Using bondings is effective for decreasing the microleakage. This experimental study aimed to evaluate the effect of bonding agent on microleakage of a fissure sealant before or after contamination to saliva. Methods: In this experimental study 40 sou...

Journal: :Pediatric dentistry 2002
Robert J Feigal

This paper reviews key issues of sealant use and methodology and poses recommendations to inform the discussion toward a consensus statement by participants. A comprehensive review of sealant literature, including policy recommendations from previous conferences that reviewed best practices for sealant use, was completed. Building on the review paper by Simonsen and on previous policy statement...

Atefeh Pakdel, Elnaz Sadra, Mojdeh Kalantar Motamedi, Naser Valayi, Saman Partovi, Shahrzad Rezvani,

Objective: Lack of a dental material with optimal adhesion and sealability is an important challenge in modern dentistry leading to marginal leakage. There are controversies on the necessity of enamel preparation in pit and fissure sealant therapy and its effect on decreasing the microleakage therefore, the present in vitro study aimed to assess the amount of microleakage with and without ename...

Journal: :International braz j urol : official journal of the Brazilian Society of Urology 2006
L Andrew Evans Allen F Morey

Biosurgical preparations designed to promote surgical hemostasis and tissue adhesion are being increasingly employed across all surgical disciplines. Fibrin sealant is the most widely studied and utilized biosurgical adjunct in urology. Complex reconstructive, oncologic, and laparoscopic genitourinary procedures are those most appropriate for sealant use. This article details the diverse urolog...

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