Photodynamic therapy repairs medication-related osteonecrosis of the jaw by reducing NF-kB protein in rats.

Objective: To evaluate whether antimicrobial photodynamic therapy (aPDT) repairs bisphosphonate-related osteonecrosis of the jaw (BRONJ) modulated by the reduction of NF-kB protein in a murine model.

Methodology: Male Wistar rats (N=30) were divided into the following groups (n=6/group): negative control (NC); experimental osteonecrosis (ONE); ONE + photosensitizer (PS); ONE + photobiomodulation (PBM); and ONE + aPDT. Over 8 weeks, ONE was induced by zoledronic acid 250 µg/kg injections, except in the NC group, which received sterile 0.

Epithelial responses and Candida albicans pathogenicity are enhanced in the presence of oral streptococci.

Experimental models that consider host-pathogen interactions are relevant for improving knowledge about oral candidiasis. The aim of this study was to assess the epithelial immune responses, Candida penetration of cell monolayers, and virulence during mixed species culture infections. Single species cultures of Candida albicans and mixed cultures (C.

Flexural strength, surface roughness, micro-CT analysis, and microbiological adhesion of a 3D-printed temporary crown material.

Objective: To evaluate the thermocycling effect of 3D-printed resins on flexural strength, surface roughness, microbiological adhesion, and porosity.

Materials And Methods: 150 bars (8 × 2 × 2 mm) and 100 blocks (8 × 8 × 2 mm) were made and divided into 5 groups, according to two factors: "material" (AR: acrylic resin, CR: composite resin, BIS: bis-acryl resin, CAD: CAD/CAM resin, and PRINT: 3D-printed resin) and "aging" (non-aged and aged - TC). Half of them were subjected to thermocycling (10,000 cycles).

Bond strength, degree of conversion, and microorganism adhesion using different bracket-to-enamel bonding protocols.

Purpose: This study aimed to evaluate the effect of bonding protocols and the type of orthodontic resin on the adhesion of microorganisms, degree of conversion (DC), and shear bond strength (SBS) of metallic brackets to enamel.

Methods: A total of 60 bovine incisors were prepared and randomly divided into 6 groups (n = 10): "bonding protocol" (A: phosphoric acid; AXT: A+Transbond™ XT primer adhesive [all Transbond™ products from 3M Unitek, Monrovia, CA, USA]; and SE: Transbond™ Plus Self Etching Primer) and "orthodontic resin" (XT: Transbond™ XT adhesive paste and CC: Transbond™ Plus Color Change). After bonding, the samples were subjected to thermocycling (5000 cycles) and to the SBS test.

Effect of finishing/polishing techniques and aging on topography, C. albicans adherence, and flexural strength of ultra-translucent zirconia: an in situ study.

Objective: To investigate the influence of different finishing/polishing techniques and in situ aging on the flexural strength (σ), surface roughness, and Candida albicans adherence of 5 mol% yttria-stabilized zirconia (ultratranslucent zirconia).

Materials And Methods: A total of 120 zirconia bars (Prettau Anterior, Zirkonzahn) with dimensions of 8 × 2 × 0.5 mm were divided into 8 groups (n = 15) according to two factors: "in situ aging" (non-aged and aged (A)) and "finishing/polishing" (control (C), diamond rubber polishing (R), coarse grit diamond bur abrasion (B), and coarse grit diamond bur abrasion + diamond rubber polishing (BR)).

Unstimulated salivary flow and oral streptococci in pediatric patients with hematological tumors: A longitudinal study.

Aims: To evaluate the unstimulated salivary flow (USF) and salivary colonization of total Streptococcus spp. (TS) and mutans-group (MS) in pediatric patients with hematological tumors. Correlations of salivary and microbiological changes with chemotherapy and patient-related factors were also verified.

Effect of different salivary glucose concentrations on dual-species biofilms of and .

Diabetes mellitus is one of the most prevalent diseases worldwide. The glucose levels found in the blood of diabetic patients can be reflected in the saliva, which can favor biofilm growth and predispose denture wearers to oral candidiasis. This study aimed to evaluate the effect of different salivary glucose concentrations on dual-species biofilms of and .

Impact of oral health on nutritional status, self-perception of oral health and quality of life of institutionalized elderly.

Background: This study aimed to investigate the influence of oral health on nutritional status, self-perception of oral health and health related quality of life of institutionalized elders.

Material And Methods: A cross-sectional study was conducted with 193 institutionalized elders living in the metropolitan region of João Pessoa (Brazil). The independent variables included were: 1) caries experience (DMFT index and its components); 2) use and need of dental prostheses; and 3) type of edentulism.

Interkingdom interaction between C. albicans and S. salivarius on titanium surfaces.

Background: In oral candidiasis models, Candida albicans and Streptococcus salivarius sp. biofilms have an antagonistic relationship. Due to this, S.

Health-related quality of life of institutionalized older adults: Influence of physical, nutritional and self-perceived health status.

Introduction: Institutionalized older adults have higher risks of diseases and worse health-related quality of life (HRQoL) than noninstitutionalized.

Objective: To evaluate the influence of physical state, nutritional status and self-perceived general health and oral health on the quality of life of institutionalized older adults in two Brazilian cities.

Methods: A multicenter cross-sectional study was conducted in 17 homes for the aged of two Brazilian cities.

Physical and psychological states interfere with health-related quality of life of institutionalized elderly: a cross-sectional study.

Background: Nursing home elders experience many problems that may influence their quality of life, in example of cognitive, mental, nutritional and physical disabilities. Concerning about elders' wellbeing may help them living with dignity. This study aimed to investigate factors associated with Health-Related Quality of Life (HRQoL) of institutionalized elders in a capital city of Brazilian Northeast.

The Effect of Reciprocating and Rotary Systems on Postoperative Endodontic Pain: A Systematic Review and Meta-analysis.

Introduction: The objective of this study was to evaluate the influence of the instrumentation kinematics on endodontic postoperative pain.

Methods And Materials: PubMed, Scopus, Web of Science, Lilacs, Cochrane Library and the System for Information on Gray Literature in Europe were searched electronically without time or language limitations up to June 2020. Subsequently, data extraction, quality assessment and meta-analysis were conducted.

Red propolis hydroalcoholic extract inhibits the formation of biofilms on denture surface.

Background: To evaluate the antifungal activity of the red propolis hydroalcoholic extract (RPHE) against biofilms.

Material And Methods: The minimum inhibitory and fungicidal concentrations (MIC and MFC) of the RPHE were determined by the microdilution technique. biofilms were formed on the surface of resin specimens preconditioned with artificial saliva (1h).

Does non-institutionalized elders have a better oral health status compared to institutionalized ones? A systematic review and meta-analysis.

This systematic review compared the oral health status between institutionalized and non-institutionalized elders. The following electronic databases were searched: PubMed (Medline), Scopus, Web of Science, Lilacs and Cochrane Library, in a comprehensive and unrestricted manner. Electronic searches retrieved 1687 articles, which were analyzed with regards to respective eligibility criteria.

Glass ionomer cements compared with composite resin in restoration of noncarious cervical lesions: A systematic review and meta-analysis.

Objective: Restoring noncarious cervical lesions are challenging to clinical practice. This study aimed to compare the clinical performance/longevity of glass ionomer cements (GIC) and composite resins (CR) used for noncarious cervical lesions (NCCL) through a systematic review and meta-analysis (MA).

Data: Randomized and controlled clinical trials and nonrandomized clinical trials, which compared the clinical performance/longevity of CR and GIC (conventional and/or resin-modified) in the treatment of NCCL, were included.

"Inhibitory effect of Brazilian red propolis on Candida biofilms developed on titanium surfaces".

Background: Peri-implant inflammation resulting from the presence of Candida biofilms may compromise the longevity of implant-supported dentures. This study evaluated the inhibitory effect of Brazilian red propolis on mono-species biofilms of C. albicans (ATCC 90028) and co-culture biofilms of C.

Dental caries experience and associated factors in 12-year-old-children: a population based-study.

Relevant public policies in oral health have been implemented in Brazil since 2004. Changes in the epidemiological status of dental caries are expected, mainly in the child population. This study aimed to assess the dental caries experience and associated factors among 12-year-old children in the state of São Paulo, Brazil.

Effect of different repair methods on the bond strength of resin composite to CAD/CAM materials and microorganisms adhesion: An in situ study.

Objective: To evaluate the influence of different repair protocols andin situ aging on colony forming units (CFU) and shear bond strength (SBS) between CAD/CAM materials and resin composite.

Methodology: 150 blocks (6 × 5 × 2.5 mm) were made out of each restorative material (CAD/CAM resin composite -RC), polymer-infiltrated ceramic - PIC and glass ceramic (VS), totaling 450 blocks.

Factors that influence the oral impact on daily performance of older people in Brazil: A cross-sectional population-based study.

Aim: To investigate factors that influence the oral health-related quality of life of older people (65 years and over) in Brazil.

Background: Population-based studies should be conducted to support health-planning interventions.

Materials And Methods: Data from the São Paulo State Survey on Oral Health (SBSP-2015), which consisted of 5951 individuals, were used.

Hydrolytic degradation of different infiltrant compositions within different histological zones of enamel caries like-lesions.

This study evaluates the effects of resin infiltrant composition and caries histological zone on the hydrolytic degradation of resininfiltrated artificial bovine enamel caries (RI-AEC). Different resin infiltrants were tested (n=26 per group): Icon (G1); TEGDMA 60%, UDMA 20%, and HEMA 20% (TUH); TEGDMA 80% and HEMA 20% (TH); and TEGDMA 75% and Bis-EMA 25% (TB). Following caries infiltration, samples were cut perpendicularly, and transverse microhardness were analyzed (at two histological zones: surface layer and lesion body) before and after 21 days of water immersion.

The use of mouthguards and prevalence of dento-alveolar trauma among athletes: A systematic review and meta-analysis.

Background/aims: The evidence that mouthguards prevent dental trauma is inconsistent. The aim of this study was to determine, through a systematic review and meta-analysis (MA), the impact of mouthguards (MG) on the prevalence of dento-alveolar trauma (DT) among athletes of contact sports.

Material And Methods: Searches were performed at Medline, Scopus, Web of Science, Lilacs, Cochrane Library, and SIGLE without restriction of language or publication date.

"Metabolism of Odontoblast-like cells submitted to transdentinal irradiation with blue and red LED".

Objectives: The present study evaluated the trans-dentinal effect of light emitting diodes (LEDs) irradiation on the metabolism of odontoblast-like cells.

Methods: Seventy-two dentin discs (0.2mm thick) were obtained from human molar teeth.

Red LED Photobiomodulates the Metabolic Activity of Odontoblast-Like Cells.

Phototherapy has been indicated as an adjunctive treatment for tissue repair, including the pulp tissue. However, there are no defined irradiation parameters, which is a great challenge to the clinical use of phototherapy. The aim of this study was to evaluate the effect of phototherapy with red LED on odontoblast-like MDPC-23 cells, using different parameter settings.

Efficacy of citronella and cinnamon essential oils on Candida albicans biofilms.

Introduction: The discovery of new antimicrobials derived from plants could aid in the management of biofilm-associated infections, including denture-induced stomatitis (DS). DS is an oral infection caused by Candida biofilms on the surfaces of poorly cleansed dentures. Effective treatment of DS requires the use of an appropriate denture cleanser and preferably one that exhibits antimicrobial properties.

Effect of Collagen Matrix Saturation on the Surface Free Energy of Dentin using Different Agents.

Introduction: The surface free energy of conditioned-dentin is one of the factors that interfere with monomeric infiltration of the interfibrillar spaces. Saturation of the tooth matrix with different substances may modulate this energy and, consequently, the wettability of the dentin.

Aim: To evaluate the influence of different substances used to saturate conditioned-dentin on surface free energy (SFE) of this substrate.