Αναζήτηση αυτού του ιστολογίου

Τρίτη 3 Οκτωβρίου 2017

5d
Genetic Polymorphism in MMP9 May Be Associated With Anterior Open Bite in Children
Abstract Anterior open bite (AOB) has a multifactorial etiology caused by the interaction of sucking habits and genetic factors. The aim of this study was to evaluate the association between AOB and polymorphisms in genes that encode Matrix metalloproteinases (MMPs) and their tissue inhibitors (TIMPs)....
Brazilian Dental Journal

5d
TLR2 Signaling Pathway in Alveolar Bone Osteogenesis Induced by Aloe vera and Xenograft (XCB)
Abstract The aim of this study was to find the role of TLR2 signaling pathway in reducing osteoclast activity and promoting osteoblast growth by inducing a combination of Aloe vera and cancellous bovine xenograft (XCB) into dental extraction socket. Forty-eight Cavia cobayas were used. They were divided...
Brazilian Dental Journal

5d
Repair of Bone Defects with Chitosan-Collagen Biomembrane and Scaffold Containing Calcium Aluminate Cement
Abstract Innovative biomaterials can provide a promising new direction for the treatment of bone defects, stimulating a proper repair process, with no damage to adjacent tissues. The purpose of this in vivo study was to evaluate the biocompatibility and the osteoinductive capacity of chitosan-collagen...
Brazilian Dental Journal
5d
RANK/RANKL/OPG Expression in Rapid Maxillary Expansion
Abstract The aim of this study was to evaluate osteoclastogenesis signaling in midpalatal suture after rapid maxillary expansion (RME) in rats. Thirty male Wistar rats were randomly assigned to two groups with 15 animals each: control (C) and RME group. RME was performed by inserting a 1.5-mm-thick circular...
Brazilian Dental Journal

5d
Demographic and Clinical Profile of Oral Squamous Cell Carcinoma from a Service-Based Population
Abstract The aim of this study was to evaluate the demographic and clinical profile of the oral squamous cells carcinoma (OSCC) cases registered in a center of oral diagnosis in southern Brazil. Eight hundred and six individuals with OSCC from 1959 to 2012 were included in this study. The variables recorded...
Brazilian Dental Journal

5d
Bioactive Glass Particles in Two-Dimensional and Three-Dimensional Osteogenic Cell Cultures
Abstract This study aimed to investigate the influence of a three-dimensional cell culture model and bioactive glass (BG) particles on the expression of osteoblastic phenotypes in rat calvaria osteogenic cells culture. Cells were seeded on two-dimensional (2D) and three-dimensional (3D) collagen with...
Brazilian Dental Journal
5d
Analyses of Biofilm on Implant Abutment Surfaces Coating with Diamond-Like Carbon and Biocompatibility
Abstract The aim of this study was to evaluate the surface free energy (SFE), wetting and surface properties as well as antimicrobial, adhesion and biocompatibility properties of diamond-like carbon (DLC)-coated surfaces. In addition, the leakage of Escherichia coli through the abutment-dental implant...
Brazilian Dental Journal

5d
Effect of Occlusal Splints on the Stress Distribution on the Temporomandibular Joint Disc
Abstract Conservative approach, including occlusal splint therapy, is the first option to treat temporomandibular disorders (TMD), because of its reversibility. The present study analyzed the effect of the articular disc position and occlusal splints use on the stress distribution on this disc. A two-dimensional...
Brazilian Dental Journal

5d
Survival/Success of Dental Implants with Acid-Etched Surfaces: A Retrospective Evaluation After 8 to 10 Years
Abstract The aim of this study was to conduct a retrospective evaluation of the survival and success rates of dental implants with acid-etched surfaces after 8-10 years of function. Forty-four patients who received 183 implants 8-10 years ago were evaluated. Clinical examinations were performed around...
Brazilian Dental Journal
5d
The In Situ Effect of Titanium Tetrafluoride Gel on Erosion/Abrasion Progression in Human Dentin
Abstract Erosion incidence is increasing and its control is still a challenge in clinical practice. This study evaluated 4% TiF4-gel effects on eroded human dentin subjected to in situ erosive/abrasive episodes. Seventy-two previously eroded dentin slabs (0.05 M citric acid, pH 2.3, 20 min) were allocated...
Brazilian Dental Journal

5d
Influence of the Extended Use of Desensitizing Toothpastes on Dentin Bonding, Microhardness and Roughness
Abstract The aim of this study was to evaluate the influence of an extended use of desensitizing toothpastes (DTs) on dentin bonding, microhardness and roughness. One hundred and twenty bovine incisor teeth were randomly divided into four groups: G1, distilled water (WATER); G2, Colgate Total 12 (CT12);...
Brazilian Dental Journal

5d
Characterization of Bis-Acryl Composite Resins for Provisional Restorations
Abstract This study investigated the in vitro performance of the commercial bis-acryl composite resins Systemp C&B II (SYS, Ivoclar Vivadent), Protemp 4 (PT4, 3M ESPE), Structur 2C (ST2, Voco) and ProviPlast (PVP, Biodinamica). Characterization involved optical (color stability, translucency parameter,...
Brazilian Dental Journal
5d
An Evaluation of the Light Output from 22 Contemporary Light Curing Units
Abstract This study measured the radiant power (mW), irradiance (mW/cm2) and emission spectra (mW/cm2/nm) of 22 new, or almost new, light curing units (LCUs): - Alt Lux II, BioLux Standard, Bluephase G2, Curing Light XL 3000, Demetron LC, DX Turbo LED 1200, EC450, EC500, Emitter C, Emitter D, KON-LUX,...
Brazilian Dental Journal

5d
Antimicrobial Activity and Biocompatibility of the Psidium cattleianum Extracts for Endodontic Purposes
Abstract Psidium cattleianum (PC) has been displaying inhibitory effect against a variety of microorganisms, but this effect has not yet been tested against endodontic pathogens. The aim of this study was to evaluate the antimicrobial activity and biocompatibility of the aqueous (PCAE) and hydroethanolic...
Brazilian Dental Journal

5d
Influence of Root Canal Filling Techniques on Sealer Penetration and Bond Strength to Dentin
Abstract The influence of root canal filling techniques on the penetration of AH Plus into dentinal tubules was evaluated using confocal laser scanning microscopy (CLSM) and the impact on the bond strength of the filling material on the root dentin was evaluated using the push-out test. Roots of the...
Brazilian Dental Journal
5d
Surgeons’ Performance Determining the Amount of Graft Material for Sinus Floor Augmentation Using Tomography
Abstract This study aimed to assess the performance of surgeons in determining the amount of graft material required for maxillary sinus floor augmentation in a preoperative analysis using cone-beam computed tomography images. A convenience sample of 10 retrospective CBCT exams (i-CAT®) was selected....
Brazilian Dental Journal

5d
Are Maternal Factors Predictors for Early Childhood Caries? Results from a Cohort in Southern Brazil
Abstract This study aimed to determine the influence of maternal factors on the early development of dental caries in Brazilian preschoolers. This cross-sectional study was nested in a cohort of adolescent mothers. The current wave was performed when the children were aged 24 to 42 months. The questionnaire-based...
Brazilian Dental Journal

5d
Clinical and Individual Variables in Children’s Dental Fear: A School-Based Investigation
Abstract This cross-sectional study evaluated the prevalence of dental fear and associated factors in schoolchildren aged 8 to 12 years old, in Pelotas, southern Brazil. Schoolchildren enrolled in 20 public and private schools were selected using a multi-stage sample design. Sociodemographic characteristics,...
Brazilian Dental Journal
5d
Oral Nodular Lesions in Patients with Sjögren’s Syndrome: Unusual Oral Implications of a Systemic Disorder
Abstract Sjögren’s syndrome (SS) is a systemic chronic autoimmune disorder affecting the lacrimal and salivary glands. SS may manifest as primary SS (pSS) or secondary SS (sSS), the latter occurring in the context of another autoimmune disorder. In both cases, the dry eyes and mouth affect the patient’s...
Brazilian Dental Journal

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