Lifestyle and Sense of Coherence: A comparative analysis among university students in different areas of knowledge.

Background: The concept of health has undergone profound changes. Lifestyle Medicine consists of therapeutic approaches that focus on the prevention and treatment of diseases. It follows that the quality of life of university students directly affects their health and educational progress.

Socket shield technique: Stress distribution analysis.

Background: To analyze through finite element analysis the stress distribution in peri-implant bone tissues, implants, and prosthetic components induced by the socket shield (SS) technique in comparison to other techniques used to treat tooth loss.

Materials And Methods: A three-dimensional model of a superior central incisor crown supported by implant was modeled and three different placement conditions were simulated: SS - 2.0-mm-thick root dentin fragment positioned between the alveolar buccal wall and implant; heterologous bone graft (HBG) - bovine bone graft positioned the alveolar buccal wall and implant; and control (C) - implant fully placed in bone tissue of a healed alveolus.

Effect of low-power diode laser on infected root canals.

This study evaluated the effect of photodynamic therapy (PDT) on infected root canals. Twenty-one human teeth were selected, and 18 were infected by E. faecalis for 60 days.

[Periodontal status of temporarily institutionalized homeless adults and associated factors].

The scope of this cross-sectional study was to describe the periodontal status and its association with sociodemographic, oral-health related behaviors and use of drugs among temporarily institutionalized homeless adults. The data were collected through oral clinical examination and a questionnaire with 102 adults attending the only public institution for this group in Goiânia, Goiás, Brazil. The periodontal condition was measured by the presence of bleeding on probing, dental calculus and pockets, according to the Community Periodontal Index (CPI).

Satisfaction with oral health and associated factors among homeless people in Midwest Brazil.

Background: Self-perceived oral health has been extensively investigated, but studies on homeless people are scarce, and there is currently no evidence from Latin America.

Objective: To investigate the prevalence and factors associated with satisfaction with the oral health of homeless individuals in one Brazilian capital of the Midwest region.

Subject And Methods: A cross-sectional study was carried out with 351 adult individuals attending a temporary public shelter who were interviewed about sociodemographic and psychosocial aspects, drugs use and oral health.

Dental pain in adult and elderly homeless people: Prevalence, associated factors, and impact on the quality of life in Midwest Brazil.

Objectives: To investigate the prevalence and factors associated with dental pain and its impact on the quality of life of adult and elderly homeless people in Midwest Brazil.

Methods: A cross-sectional study was conducted with 353 individuals aged ≥18 attending a public homeless shelter in a Brazilian state capital (Goiânia). Data on sociodemographic, psychosocial, drug use and oral health-related factors, and quality of life [Oral Impact on Daily Performance scale (OIDP)] were collected through interviews.

Significance of immediate dentin sealing and flowable resin coating reinforcement for unfilled/lightly filled adhesive systems.

Background: Immediate dentin sealing implies applying an adhesive system to dentin directly after tooth preparation, before impression. The technique is universal (inlays, onlays, veneers, crowns) and well documented clinically and experimentally. Different types of dentin bonding agents (DBAs) are available on the market.

Untreated dental trauma among homeless people in Midwest Brazil.

Homeless people are usually more exposed to traumatic events that may cause dental injuries than those with more stable housing. Previous studies on the oral health condition of this population group have shown high levels of dental caries, periodontal diseases, and tooth loss, but evidence on dental trauma is scarce. Furthermore, there is no report from Latin American countries.

Impact of oral condition on the quality of life of homeless people.

Objective: To describe the prevalence of oral health impact on quality of life and its association with the dental condition and sociodemographic factors of homeless people.

Methods: The sample was composed of 116 adults, temporarily attended by a public institution in the municipality of Goiânia, state of Goiás. Interviews were carried out including the Oral Impact on Daily Performance instrument and sociodemographic aspects.

Resin Cement: Correspondence with Try-In Paste and Influence on the Immediate Final Color of Veneers.

Purpose: To assess the correspondence of shades between try-in pastes and resin cements and their influence on the final color of veneers.

Materials And Methods: Bovine teeth (n = 140) were prepared and divided into 2 groups (a or b) according to ceramic veneer thickness (0.35 or 0.

Screening the use of informed consent forms prior to procedures involving operative dentistry: ethical aspects.

The present study aimed to screen the knowledge and attitudes of dentists toward the use of informed consent forms prior to procedures involving operative dentistry. A research tool containing questions (questionnaire) regarding the use of informed consent forms was developed. The questionnaire consisted of seven questions structured to screen the current practice in operative dentistry towards the use of informed consent forms.

Inflammatory response of human dental pulp to at-home and in-office tooth bleaching.

Objective:: This study evaluated the inflammatory responses of human dental pulp after the use of two bleaching techniques.

Material And Methods:: Pulp samples were collected from human third molars extracted for orthodontic reasons and divided into three groups: control - no tooth bleaching (CG) (n=7); at-home bleaching with 15% carbamide peroxide (AH) (n = 10), and in-office bleaching with 38% hydrogen peroxide (IO) (n=12). Pulps were removed and stained with hematoxylin-eosin for microscopic analysis of inflammation intensity, collagen degradation, and pulp tissue organization.

Frequency of Root Canal Isthmi in Human Permanent Teeth Determined by Cone-beam Computed Tomography.

Introduction: This study evaluated the frequency of root canal isthmi (RCIs) in human permanent teeth by using cone-beam computed tomography.

Methods: A sample of 1400 teeth of 618 patients (394 women; mean age, 43.4 years) was selected.

Radiographic evaluation of orthodontic treatment by means of four different cephalometric superimposition methods.

Introduction: Despite discussion on the merit of various cephalometric superimposition methods, there remains a need to assess which one can be used in daily practice with reasonably accuracy and less working time.

Objective: The aim of this study was to investigate four methods of cephalometric superimposition by means of assessing the longitudinal changes in craniofacial morphology caused by growth and response of adolescents with Class I malocclusion to orthodontic treatment involving first premolar extraction.

Methods: Pretreatment (T1) and post-treatment (T2) standardized lateral cephalometric radiographs of 31 adolescents (20 females and 11 males), with Angle Class I malocclusion and indication of premolar extraction, participated in this study.

Human identification through the analysis of smile photographs.

The comparison between antemortem and portmortem data comprehends the basis of the dental identification process. High-tech devices allow for optimal manipulation of postmortem data. However, in especial situations, the victims do not have records of dental treatments, making necessary the search for antemortem data from personal belongings.

Effect of root canal sealer and artificial accelerated aging on fibreglass post bond strength to intraradicular dentin.

Objectives: To evaluate the effect of root canal sealers (RCS) and specimen aging on the bond strength of fibre posts to bovine intraradicular dentin.

Material And Methods: 80 teeth were used according the groups - Sealapextm, Sealer 26®, AH Plus® and specimens aging - test with no aging and with aging. The canals prepared were filled using one of each RCS.

Shade evaluation of ceramic laminates according to different try-in materials.

The porcelain laminate replaces the visible portion of enamel with a ceramic, which is attached to the dental surface. To enhance cosmetic results, a preliminary color matching procedure is performed prior to cementing the veneers. This procedure can be performed using water, water-soluble gel, or try-in paste.

Influence of activation mode of resin cement on the shade of porcelain veneers.

Purpose: The aim of this study was to evaluate the influence of resin luting cement's activation mode in the final shade of porcelain veneers after accelerated artificial aging (AAA).

Materials And Methods: Porcelain veneers (IPS Empress Esthetic) were produced using a standardized shade (ET1) and thickness (0.6 mm).

Effect of light sources and curing mode techniques on sorption, solubility and biaxial flexural strength of a composite resin.

Unlabelled: Adequate polymerization plays an important role on the longevity of the composite resin restorations.

Objectives: The aim of this study was to evaluate the effect of light-curing units, curing mode techniques and storage media on sorption, solubility and biaxial flexural strength (BFS) of a composite resin.

Material And Methods: Two hundred and forty specimens were made of one composite resin (Esthet-X) in a stainless steel mold (2 mm x 8 mm Ø), and divided into 24 groups (n=10) established according to the 4 study factors: light-curing units: quartz tungsten halogen (QTH) lamp and light-emitting diodes (LED); energy densities: 16 J/cm² and 20 J/cm²; curing modes: conventional (CM) and pulse-delay (PD); and permeants: deionized water and 75% ethanol for 28 days.

Effect of light source and solvent on the sorption and solubility of two dual-cured cements photocured through ceramic.

The purpose of this study was to verify the polymerization efficiency of two curing units through a ceramic barrier. Forty specimens apiece of two resin luting cements (AllCem and RelyX U100) were made in a stainless steel mold. The experimental group was photocured through a ceramic barrier, while the control group was photocured without a barrier.

Sorption, solubility and residual monomers of a dental adhesive cured by different light-curing units.

The aim of this study was to assess polymerization ability of three light-curing units by evaluating the influence of the light source, curing regimen and permeant (water or ethanol) on sorption, solubility and amount of residual monomers of a dental adhesive. Specimens of Adper Single Bond 2 were fabricated using a stainless steel circular matrix (8 mm x 1 mm). One quartz-tungsten-halogen (QTH) lamp and two light-emitting diode (LED) device at three different curing regimes (L1 = 12 J; L2 = 24 J; L3 = 24 J) were used to cure the specimens.

How light sources and distance of the light tip influence water sorption, solubility, and biaxial flexural strength of a composite resin.

This study evaluated the water sorption (WS), solubility (SL), and biaxial flexural strength (BFS) of a resin composite based on different polymerization units, storage permeants (distilled water and 75% ethanol), and distances between the light's tip and the composite resin. Using a stainless steel mold, 80 specimens were made and separated in two independent groups, according to the duration of storage (7 days or 60 days). The specimens were photocured using either a QTH or LED light (both used at 600 mW/cm2 for 40 seconds), with the light's tip guide either 0 mm or 2 mm from the surface of the resin.

Influence of pulse-delay curing on sorption and solubility of a composite resin.

The purpose of this study was to evaluate the sorption and solubility of a composite resin (TPH(3); Dentsply) cured with halogen light due to different storage media and curing modes. The methodology was based on the ISO 4049 standard. Two independent groups were established according to the storage time (7 days-G1; 60 days-G2).

Evaluation of internal adaptation of Class V resin composite restorations using three techniques of polymerization.

Objective: The purpose of this in vitro study was to evaluate the internal adaptation of Class V composite restorations to the cavity walls using three different techniques of polymerization.

Methods: Standard cavities were prepared on the buccal and lingual surfaces of 24 extracted human third molars with margins located above and below the cementoenamel junction. Restorations were placed in one increment using two restorative systems: 3M Filtek A110/ Single Bond (M) and 3M Filtek Z250/ Single Bond (H) in the same tooth, randomly in the buccal and lingual surfaces.