نتایج جستجو برای: silicon sealant

تعداد نتایج: 83512  

2015
Michael Knösel David Ellenberger Yvonne Göldner Paulo Sandoval Dirk Wiechmann

BACKGROUND Sealant application during fixed appliances orthodontic treatment for enamel protection is common, however, reliable data on its durability in vivo are rare. OBJECTIVE This study aims at assessing the durability of a sealant (OpalSeal, Ultradent) for protection against white-spot lesion formation in orthodontic patients over 26 weeks in vivo, taking into account the provision or ab...

Journal: :Annals of surgery 2012
Marieke T de Boer Joost M Klaase Cornelis Verhoef Ronald M van Dam Thomas M van Gulik I Quintus Molenaar Koop Bosscha Cornelis H C Dejong Eric J Van der Jagt Robert J Porte

OBJECTIVE To evaluate the efficacy of fibrin sealant in reducing resection surface-related complications in liver surgery. BACKGROUND Bile leakage, bleeding, and abscess formation are major resection surface-related complications after liver resection. It is unclear whether application of fibrin sealant to the resection surface is effective in reducing these complications. METHODS In a mult...

2011
Vânia BALDINI Elaine Pereira da Silva TAGLIAFERRO Gláucia Maria Bovi AMBROSANO Marcelo de Castro MENEGHIM Antonio Carlos PEREIRA

OBJECTIVE The aims of this study were to investigate the effectiveness of sealant placement under the guidelines of the Oral Health Promotion Program for Children and Adolescents (Portugal), and to test the influence of clinical and socioeconomic variables on the DMFT increment in 277 children, born in 1997. MATERIAL AND METHODS A dental hygienist performed the initial examinations and sealan...

Journal: :University journal of dental sciences 2022

Objective: To compare the retention and marginal discoloration of Self-etch Total Etch Adhesive during Pit Fissure Sealant application at 1 month, 3 months, 6 12 months. Materials methods: 30 school-going children received sealants in all four permanent second molars, carried out Department Pedodontics Preventive Dentistry. The fully erupted molars were randomly allocated into groups: group A (...

Journal: :Archives of surgery 2008
Shirin Towfigh William G Cheadle Stephen F Lowry Mark A Malangoni Samuel E Wilson

HYPOTHESIS Application of skin sealant prior to incision reduces microbial contamination of the wound. DESIGN Prospective, randomized, multicenter clinical trial. SETTING Six teaching hospitals. PATIENTS A total of 177 adult patients undergoing elective open inguinal hernia repair were randomized to either standard skin preparation with 10% povidone-iodine or skin preparation followed by ...

Journal: :Annals of clinical and laboratory science 2001
P D Mintz L Mayers N Avery H L Flanagan S G Burks W D Spotnitz

The utilization of fibrin sealants to augment hemostasis, seal tissues, and facilitate targeted delivery of drugs is increasing. In 1985, a hospital-based program was established to provide autologous and allogeneic cryoprecipitate that serves as a fibrin sealant when combined with bovine thrombin. To date, more than 4,000 patients have been treated with this product at our institution, with an...

1999
J-F. Masson

Twelve bituminous hot-pour crack sealants were evaluated over four years in temperatures ranging from –40°C to +40°C. Each sealant was evaluated over 900 linear meters of transverse and longitudinal routs of 12 × 12 mm2, 19 × 19 mm2, and 40 × 10 mm2 (width × depth). Results show that sealant source, rout size, and rout orientation affected sealant performance, i.e., debonding and pull-out level...

2015
Sara Rahimian-Imam Nahid Ramazani Mohammad Reza Fayazi

OBJECTIVES Application of sealants is a safe and effective way to prevent occlusal caries in the posterior teeth. A successful sealant therapy depends on good isolation. Decreased steps of adhesive application may enable proper isolation and use of self-adhering flowable composites for sealant therapy. This study sought to compare the marginal microleakage of fissure sealants and self-adhering ...

Journal: :Brazilian dental journal 2011
Fernanda Valentini Simone Gomes Dias de Oliveira Guilherme Zdradk Guimarães Renata Pereira de Sousa Barbosa Rafael Ratto de Moraes

This study investigated the effect of sealant application on the color stability of composite resin restorations. Cavities in bovine incisors were restored with composite resin (Opallis; FGM) and the teeth were assigned to 4 groups (n=10). A sealant (Fill Glaze; Vigodent) was applied over the restorations of 2 groups. Baseline color measurements based on the CIEL*a*b* system were carried out us...

Journal: :Pediatric dentistry 1990
J P Conry M R Pintado W H Douglas

Earlier studies have reported extensive volumetric loss of fissure sealant shortly after placement. To determine the volume of fissure sealant lost at six months, we used a servohydraulic profilometric apparatus in combination with computer graphics. Twenty-two premolar teeth were selected, and baseline silicone impressions were made of each tooth. The teeth were sealed and the occlusion adjust...

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