This in vivo study analyzed the sealing ability of two adhesives in post spaces, cyanoacrylate (Super Bonder® - Henkel Loctite Adesivos Ltda., Itapevi, SP, Brazil) and ScotchbondTM Multi-Purpose (3M Dental Products, St. Paul, MN, USA), testing the hypothesis that their use would result in a decreased leakage through the remaining filling material. Forty extracted premolars (80 root canals) of d...

This study was designed to evaluate microleakage that appeared on Resin-Modified Glass-Ionomer Cement (RMGIC) restorations. Sixty class V cavities (h x w x l = 2 mm x 2 mm x 3 mm) were cut on thirty extracted third molars, which were randomly allocated to three experimental groups. All the buccal cavities were pretreated with polyacrylic acid, whereas the lingual cavities were treated with thre...

BACKGROUND Currently, several systems of dentin substrate-reacting adhesives are available for use in the restorative treatment against caries. However, the bond effectiveness and property of different adhesive systems to caries-affected dentin are not fully understood. The objective of this study was to evaluate the bond strength of different adhesives to both normal dentin (ND) and caries-aff...

BACKGROUND To evaluate the microleakage of silorane-based composite material (Filtek P90) with that of two homologous methacrylate-based composites materials (Filtek Z250 and Filtek Z250 XT), by using two different bonding techniques. MATERIALS AND METHODS Sixty extracted human maxillary first premolars prepared for standardized Class I cavities (4 mm × 2 mm × 2 mm) were randomly divided into...

AIM This study aimed to evaluate the microleakage of Class V restorations filled with a 7th-generation self-adhesive composite. MATERIALS AND METHODS In 40 permanent premolars and 80 primary canines, 160 Class V cavities were prepared, which were filled with four restorative materials (n of each material=20 permanent and 20 primary restorations): control: nonbonded composite (Heliomolar), GI:...

Abstract In the light-activated work-holding devices, hardened adhesive residues on fixture plate need to be removed make it available for subsequent work holding. There are several ways remove cured from gripper, such as laser-based degradation, and softening removing with high temperature pressured water wash. These processes associated generation of carbon black, affecting transparency which...

PURPOSE To evaluate the microshear bond strength (μSBS) of several universal adhesive systems applied on five different indirect restorative materials. MATERIALS AND METHODS Five CAD/CAM materials were selected: 1) indirect resin composite (LAV); 2) feldspathic glass ceramic (VTR); 3) leucite-reinforced glass-ceramic (EMP); 4) lithium disilicate ceramic (EMX); 5) yttrium-stabilized zirconium ...

AIM To investigate the load capability of root filled teeth restored with glass fibre posts when the same self-adhesive composite resin cement was used as post cement and core build-up material. METHODOLOGY Human maxillary central incisors were divided into four groups (n=10). Teeth were root filled, decoronated and restored using glass fibre posts luted with different cements and composite r...

Department of Conservative Dentistry, Yonsei University School of Dentistry and Oral Science Research Center, Seoul, Korea Objectives: The internal adaptation of composite restorations with or without resin modified glass ionomer cement (RMGIC) was analyzed non-destructively using Microcomputed tomography (micro-CT). Materials and Methods: Thirty intact human teeth were used. The specimens were...