Although stenting has been used as a treatment option for aortic coarctation (CoA) at increasingly younger ages, limited information is available on the long-term follow-up of stent implantation for CoA in pediatric patients. A total of 74 patients with CoA (mean age 8 ± 3 years) underwent stent implantation; 42 ...

Purpose: The presence of pathogenic microorganisms associated with both chronic periodontitis and implant failure can induce a host immune response. The type of response is determined by an individual's genetic makeup. The aim of this study was to investigate the genetic relationship between interleukin-10 (IL-10) and tumor necrosis factor alpha ...

There are increasing concerns about a possible association between anaplastic large cell lymphoma (ALCL) and breast implants. The authors conducted a structured expert consultation process to evaluate the evidence for the association, its clinical significance, and a potential biological model based on their interpretation of the published evidence. A multidisciplinary ...

Focal lesions of the articular cartilage of the knee can be managed with a variety of products and technologies in an attempt to restore function to the afflicted joint and forestall the need for possible total knee arthroplasty. Among these approaches are non-implant-based procedures (arthroscopic chondroplasty and microfracture), grafting procedures ...

Gerodontology 2011; doi: 10.1111/j.1741-2358.2011.00474.x Effect of thermocycling on the flexural and impact strength of urethane-based and high-impact denture base resins Objective:  Mechanical properties of the acrylic resins used for denture fabrication may be influenced by water and temperature. Thus, the aim of this study was to evaluate the effect of ...

Purpose: A stable oral mucosa is crucial for long-term survival and biofunctionality of implants. Most of this evidence is derived from clinical and animal studies based solely on implant-supported prosthesis. Much less is known about the dimensions and relationships of this soft tissue complex investing tooth-implant-supported bridgework (TISB). The aim ...

OBJECTIVES: Assess the in situ color stability, surface and the tooth/restoration interface degradation of a silorane-based composite (P90, 3M ESPE) after accelerated artificial aging (AAA), in comparison with other dimethacrylate monomer-based composites (Z250/Z350, 3M ESPE and Esthetic-X, Dentsply). METHODS: Class V cavities (25mm(2)×2mm deep) were prepared in 48 bovine incisors, ...

The development of a long-term wireless implantable biosensor based on fluorescence intensity measurement poses a number of technical challenges, ranging from biocompatibility to sensor stability over time. One of these challenges is the design of a power efficient and miniaturized electronics, enabling the biosensor to move from bench testing to ...

The use of acellular dermal matrix (ADM) in implant based breast reconstruction has become increasingly popular to the point that a subset of surgeons use ADM for virtually every tissue expander/implant based reconstruction. While there may be a number of perceived and anecdotal advantages such as decreased post-operative pain, increased ...

Clinical Relevance Microleakage was evident in all restorative materials. Improvement was made when a resin-modified glass ionomer incorporated the benefits of nanotechnology.

ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Six-year success rates of occlusal amalgam and glass-ionomer restorations placed using three minimal intervention approaches. Mandari GJ, Frencken JE, Van't Hof MA. Caries Res 2003;37:246-53. REVIEWER: Kevin J. Donly, DDS, MS PURPOSE/QUESTION: To compare the success at 6 years of 3 caries treatment approaches: (1) ...

The purpose of the present study was to determine an effective surface preparation for the bonding of a gingival shade composite resin to a denture base resin. The flat surfaces of a heat-processed denture base resin were prepared in various ways. A highly filled gingival shade composite resin was applied ...

The requirements for an ideal restorative material include adhesion to tooth structure (enamel and dentine) and an ability to withstand the traumas of occlusion. However, some level of an anticaries effect is also desirable. After a long history of glass-ionomer cement (GIC) development, an evidence base in support of the ...

ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Does fluoride in compomers prevent future caries in children? Trachtenberg F, Maserejian NN, Soncini JA, Hayes C, Tavares M. J Dent Res 2009;88(3):276-9. REVIEWER: Peter Milgrom, DDS PURPOSE/QUESTION: To determine whether fluoride-releasing compomer fillings placed in primary teeth was more effective than amalgam fillings in preventing ...

ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Efficacy of preformed metal crowns vs. amalgam restorations in primary molars: a systematic review. Randall R, Vrijhoef M, Wilson N. J Am Dent Assoc 2000;131(3):337-43. REVIEWER: Tegwyn H. Brickhouse, DDS, PhD PURPOSE/QUESTION: To conduct a systematic review of clinical studies comparing the longevity and failure ...

Optimization of implant osseointegration in patients with reduced bone healing potential is a challenge remaining in implant dentistry. Identification of the genes that are modulated during implant osseointegration in normal versus osteopenic bone is needed to successfully address these pertinent clinical needs. The present study aimed to assess the initial ...

Purpose: This study compared shear bond strength and type of bond failure between a highly cross-linked tooth and different denture base polymers. Materials and Methods: Cross-linked denture teeth were bonded to either a heat-, an auto-, a microwave-polymerized denture base resin or a relatively new injection-molded, microwave-polymerizable polyurethane-based resin. Six ...

Practice guidelines do not recommend use of an implantable cardioverter-defibrillator (ICD) for primary prevention in patients recovering from a myocardial infarction or coronary artery bypass graft surgery and those with severe heart failure symptoms or a recent diagnosis of heart failure. To determine the number, characteristics, and in-hospital outcomes of ...

Findings from the Academy of Osseointegration State of the Science on Implant Dentistry Conference clearly demonstrate that data are lacking regarding both quality of design and adequate outcome measures (standardization, validity, and relevance to patient) to support an evidence-based systematic evaluation of implant efficacy. Despite the dearth of controlled trials ...

Background: Acrylic resin dentures are susceptible to fracture after clinical use, which is a problem of concern in prosthodontics. Impact failure outside the mouth and flexure fatigue failure in the mouth are two most important causes of fracture of denture base. Aim: This study evaluated the transverse deflection and transverse ...

Temporal hollowing due to temporal muscle atrophy after standard skull base surgery is common. Various techniques have been previously described to correct the disfiguring defect. Most often reconstruction is performed using freehand molded polymethylmethacrylate cement. This method and material are insufficient in terms of aesthetic results and implant characteristics. We ...

The study examined the bond between different denture base resins and highly cross-linked acrylic denture teeth with different base surface-conditioning methods. One hundred fifty highly cross-linked resin denture teeth (SR-Antaris, No. 11, Ivoclar-Vivadent, FL) were divided into five groups with different surface-conditioning methods of the base surfaces of the teeth ...

OBJECTIVES: This study aimed at investigating the influence of fabrication method, storage condition and material on the fracture strength of temporary 3-unit fixed partial dentures (FPDs). METHODS: A CrCo-alloy master model with a 3-unit FPD (abutment teeth 25 and 27) was manufactured. The master model was scanned and the data ...

A best evidence topic in cardiac surgery was written according to a structured protocol. The question was to determine what preoperative, perioperative and postoperative factors influence the requirement for permanent pacemaker (PPM) implantation postisolated aortic valve replacement (AVR). Transcatheter aortic valve intervention was not included in this analysis. Using the ...

A best evidence topic was written according to a structured protocol. The issue was to determine the incidence and predictors of postoperative permanent pacemaker (PPM) implantation in patients undergoing trans-catheter aortic valve implantation (TAVI) for symptomatic calcific aortic stenosis and to compare this to the known risks of this complication ...

Abstract Objectives: The aim of this in vitro study was to compare the microleakage of direct composite veneer restorations prepared by a conventional dental bur or Er,Cr:YSGG (erbium, chromium doped yttrium scandium gallium garnet) laser and etched with different procedures. Methods: Fifty maxillary incisor teeth prepared for direct veneers with ...

To evaluate the effect of gasiform ozone on the repair strength of ormocer-based and silorane-based composites. 160 cavities were created in methacrylate cylinders. Half of the cavities were filled with a silorane-based composite, whereas the other half was filled with an ormocer-based composite. After storage (1 week, deionized water, 37 ...

In this study we compared the microleakage of conventional glass ionomer cement (GIC) restorations following the use of different methods of root caries removal. In vitro root caries were induced in 75 human root dentin samples that were divided in five groups of 15 each according to the method used ...

PURPOSE: This study determined the microleakage of Class II composite restorations lined with self-adhesive resin-cements as bonding agents. METHODS: Forty-five caries-free extracted molars were sterilized, mounted in acrylic bases and divided into five equal groups according to the adhesive used: RXU (RelyX-Unicem, self-adhesive resin-cement, 3M ESPE), BRZ (Breeze, self-adhesive resin-cement, ...

Resistance of machined crowns to microleakage when cemented with new self-adhesive cements has not been fully investigated. This study evaluated microleakage of machined crowns milled from porcelain and composite blocks and bonded to teeth with self-adhesive and conventional resin cement. Thirty-two freshly extracted premolars of similar shape and size were ...

Tooth-colored restorations are the first choice for anterior restorations. However, microleakage is a significant problem at the margins of anterior cavities restored with resin composites. Microleakage can cause pulpal irritation and periapical inflammation. Today, laser irradiation is used frequently for dental treatments. Nd:YAG laser has been used successfully in endodontic ...

The purpose of this study was to determine the degree of conversion (DC), microhardness, microleakage and fluoride release of a nano-filled resin based fissure sealant (Grandio Seal, GS) and compare it with an un-filled resin based fissure sealant (Clinpro, CL) and a glass-ionomer based fissure sealant (Fuji Triage, FT). Disk ...

Our study aimed to analyze the microleakage of silorane-based composite in comparison to two homologous methacrylate-based composites. Standardized class I cavities (4 × 2.5 × 3 mm) were prepared on extracted human premolars and randomly assigned into three groups (N = 15) as follows: Group A, Filtek P90 (silorane) with ...

To assess microleakage in conservative class V cavities prepared with aluminum-oxide air abrasion or turbine and restored with self-etching or etch-and-rinse adhesive systems. Materials and Methods: Forty premolars were randomly assigned to 4 groups (I and II: air abrasion; III and IV: turbine) and class V cavities were prepared on ...

BACKGROUND: Tooth bleaching has become a routine treatment due to patients' esthetic demands. PURPOSE: The aim of this study was to evaluate how prerestorative home-bleaching affected microleakage of resin composite restorations bonded with etch-and-rinse and self-etch adhesives. MATERIALS AND METHODS: Fifty extracted human premolar teeth were used. The bleaching agent ...

AIM: The aim of the study was to evaluate the effect of saliva contamination and compare the microleakage of three different pit-and-fissure sealants namely, Helioseal F, Enamel Loc and Fuji VII. MATERIALS AND METHODS: Sixty recently extracted sound third molars were randomly assigned to three groups for three different sealant ...

Bis-GMA-containing resin composites and adhesives undergo biodegradation by human-saliva-derived esterases, yielding Bis-hydroxy-propoxy-phenyl-propane (Bis-HPPP). The hypothesis of this study is that the exposure of dental restorations to saliva-like esterase activities accelerates marginal bacterial microleakage. Resin composites (Scotchbond, Z250, 3M) bonded to human dentin were incubated in either buffer or dual-esterase media ...

PURPOSE: This study evaluated whether a Class II restoration in a flowable resin composite has to be placed prior to (open-sandwich technique) or after (closed-sandwich technique) construction of the interproximal wall in the centripetal build-up technique in order to reduce microleakage. METHODS AND MATERIALS: Thirty non-carious molars were selected and ...

OBJECTIVE: The aim of this in vitro study was to compare the microleakage of flexible spiral wire retainers (FSWR) at composite/wire and composite/enamel interfaces produced by an indirect application method to that of a conventional direct application method. MATERIALS AND METHODS: Forty freshly extracted human mandibular incisor teeth were randomly ...

This study sought to compare and rank the in vitro microleakage behavior of four self-etching adhesive systems to determine any differences in their marginal sealing ability. Using a coarse rounded diamond wheel, Class V cavities were prepared at the facial or lingual cementoenamel junction (CEJ) of 40 recently extracted human ...

The purpose of this in vitro study was to determine if packable resin composite with/without flowable resin composite has the ability to prevent coronal leakage in restored endodontic access openings following aging. Eighty simulated standardized access cavities of metal-ceramic crowns were fabricated and fixed on Vitrebond cavities filled with an ...

OBJECTIVE: This study evaluates the effect of calcium hydroxide dressing on microleakage of composite restorations following non-vital bleaching. METHODS: A total of 45 sound extracted human maxillary central incisors underwent endodontic treatment. The teeth were randomly divided into three groups (n=15). In group 1, access cavities were restored with composite. ...

The purpose of this study was to investigate the diametral tensile strength of polymer-based temporary crown and fixed partial denture (FPD) materials, and the change of the diametral tensile strength with time. One monomethacrylate-based temporary crown and FPD material (Trim) and three dimethacrylate-based ones (Protemp 3 Garant, Temphase, Luxtemp) were ...

The aim of this in vitro study was to compare the microleakage of repaired class V resin composite restorations prepared either by Er:YAG laser or a diamond bur. Ninety-six intact human molar teeth were randomly distributed into eight groups. In the first four groups, class V cavities (3 × 3 ...

AIM: This was to evaluate the microleakage of 3 different sealants, applied on sound and questionably carious occlusal surfaces with and without a bonding agent. METHODS: A total of 120 human molars were selected, photographed with a digital video microscope, and assigned by 3 independent examiners, according to the criteria ...

The aim of this study was to investigate in vitro the effects of clear or opaque sealants, on the laser fluorescence readings for occlusal caries detection in primary molars. For this reason, 427 occlusal sites in 199 teeth were clinically examined by one dentist, and their laser fluorescence (LF) was ...

doi:10.1111/j.1741-2358.2009.00332.x Effect of thermal cycling on microleakage between hard chairside relines and denture base acrylic resins Objectives:  Microleakage is a pre-stage of debonding between hard chairside relines and denture base acrylic resins. Therefore, it is important to assess them with regard to the longevity of the relined denture. This study ...

PURPOSE: The present study aims to evaluate the in vitro microleakage of two layers GIC proximal restorations in primary molars. METHODS: Forty primary molars received proximal cavity preparations and were randomly divided in two groups. G1 was restored with a regular powder/liquid ratio GIC. G2 firstly received a flowable layer ...

In vitro testing of new experimental materials has been introduced for many years as a method to evaluate them in simulated conditions, before the clinical trials. Our study has investigated a new experimental composite resin C1 and adhesive system Ad1 by scanning electron microscope (SEM) studies and microleakage tests. Both ...

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 ...