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Author: Saul Martins Paiva (137)


Feb
2018

The aim of the present study was to evaluate factors associated with sleep bruxism in five-year-old preschool children. A preschool-based cross-sectional study was conducted with 761 pairs of children and their parents/caregivers. Sleep bruxism was diagnosed using a questionnaire administered to the parents/caregivers, who also answered questionnaires addressing sociodemographic data and parent's/caregiver's sense of coherence.

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Jan
2018

Attention-deficit/hyperactivity disorder (ADHD) is a behavioural disorder that can affect one's performance in activities of daily living and can exert a negative impact on the oral health of children.
The aim of this work was to determine the association between ADHD (signs and executive functions) and dental caries in children aged 7-12 years.
A case-control study was conducted with 532 children in the city of Diamantina, Brazil.

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Jan
2018

In the last decades, several instruments have been used to evaluate the impact of oral health problems on the oral health-related quality of life (OHRQoL) of individuals. However, some instruments lack thorough methodological validation or present conceptual differences that hinder comparisons with instruments. Thus, it can be difficult to clinicians and researchers to select a questionnaire that accurately reflect what are really meaningful to individuals.

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Jan
2018

This study aimed to evaluate the psychometric properties of an instrument to assess comprehensiveness of care from dentists using a combination of classical test theory and item response theory. A 46-item instrument was developed and tested by a panel of experts, followed by a pilot test and administration to 187 primary care dentists in a large Brazilian city. The 46 items were evaluated using the following criteria: acceptability, internal consistency, temporal stability, inter-item correlation, and tetrachoric correlation.

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Jan
2018

This study assessed the epidemiological characteristics and management of the permanent teeth avulsion cases attended in a Brazilian dental trauma service from December 2005 to August 2016. A retrospective study was conducted of case records of 93 patients involving 139 avulsed teeth. Data included sex, age, trauma etiology, location of the accident, number and position of avulsed teeth, and presence and type of associated traumatic lesions.

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Jan
2018

The aim of the present study was to evaluate the impact of clinical oral factors, socioeconomic factors and parental sense of coherence on affected self-confidence in preschool children due to oral problems. A cross-sectional study with probabilistic sampling was conducted at public and private preschools with 769 five-year-old children and their parents/caretakers. A questionnaire addressing socio-demographic characteristics as well as the Scale of Oral Health Outcomes for Five-Year-Old Children (SOHO-5) and the Sense of Coherence Scale (SOC-13) were administered.

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Jan
2018

Parents' report is the most used method for the study of sleep bruxism (SB) in children, especially in research with large samples. However, there is no consensus about the questions used to assess SB, what may difficult the comparisons between studies.
The aim of this research was to evaluate the agreement between two different approaches to assess possible sleep bruxism (PSB) in children using parents' report.

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Dec
2017

Traumatic dental injuries occur frequently among young children. The aim of this study was to evaluate the impact of traumatic dental injuries on oral health-related quality of life (OHRQoL) in preschool children using the Scale of Oral Health Outcomes for 5-year-old children (SOHO-5).
This study involved 769 five-year-old children enrolled at public and private preschools.

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Sep
2017

Sense of coherence (SOC) is associated with oral health.
Investigate associations between dental caries experience and SOC among mothers and adolescents.
A cross-sectional study was conducted with 1195 adolescents and their mothers.

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Dec
1969

Studies have suggested that benzodiazepines are amnestic drug par excellence, but when taken together, what level of evidence do they generate? Are other sedatives as amnestic as benzodiazepines? The aim of this study was to assess the level of scientific evidence for the amnestic effect of sedatives in pediatric patients who undergo health procedures.
The literature was searched to identify randomized controlled trials that evaluated anterograde and retrograde amnesia in 1-19-year-olds who received sedative drugs during health procedures. Electronic databases, including PubMed, Scopus and Cochrane Library besides clinical trial registries and grey literature were searched.

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May
2017

Patients' knowledge about oral anticoagulant therapy may favor the achievement of therapeutic results and the prevention of adverse pharmacotherapy-related events. Brazil lacks validated instruments for assessing the patient's knowledge about treatment with warfarin. This study aimed to perform the cross-cultural adaptation of the Oral Anticoagulation Knowledge (OAK) Test instrument from English into Portuguese.

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Aug
2017

The authors systematically reviewed the scientific evidence regarding an association between oral health literacy (OHL) and oral conditions.
The authors performed an electronic search of 8 databases up through October 2016, as well as a manual search. The authors included studies in which the investigators evaluated oral conditions and measured OHL through a validated tool and studies in which OHL was an explanatory variable.

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Nov
2017

The aesthetic impact of malocclusion can have negative repercussions on quality of life, social interaction, interpersonal relationships, and psychological well-being. The aim of this study was to evaluate the impact of malocclusion on the quality of life of Brazilian adolescents.
A representative cross-sectional study of 1612 adolescents from Belo Horizonte, Minas Gerais was conducted.

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May
2017

To analyze the factors associated with the types of violence against adolescents reported in Pernambuco, Brazil, from 2009 to 2012. Prevalence study conducted through an electronic database from the Violence Surveillance Official System in a population of 5259 adolescents (aged 10-19 years). Poisson regression was used, with significance level at 5%.

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Jul
2017

The aim of the present study was to investigate the effect of probiotic (Bacillus Subtilis) supplementation on bone remodelling induced by mechanical loading.
C57BL/6 mice were divided in two groups: (1) Probiotic and (2) Vehicle (water). The probiotic (1.

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Jul
2017

The objective of this article was to assess the perception of parents and caregivers regarding the impact of malocclusion on adolescents' oral health -related quality of life (OHRQoL).
This cross-sectional study consisted of a sample of 280 parents/caregivers of 11 and 12-year-old adolescents who answered the Parental-Caregiver Perceptions Questionnaire (P-CPQ). Parent-assessed quality of life of adolescents was the dependent variable.

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Dec
2016

The scope of this study was to analyze the trend of completeness of the data on violence perpetrated against adolescents registered in the State of Pernambuco between 2009 and 2012. This involved a cross-sectional survey of 5,259 adolescents, who were the victims of violence reported in SINAN-VIVA of the Pernambuco State Health Department. Simple linear regression was used to investigate the trend of completeness of the variables.

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Nov
2016

The aim of this study was to evaluate the impact of dental caries, traumatic dental injuries (TDI), toothaches, and malocclusion on the oral health-related quality of life (OHRQoL) of the families of Brazilian preschool children. A population-based, matched case-control study involving 415 pre-schoolers aged 3-5 years was conducted. The case (impact on OHRQoL) and control groups (no impact on OHRQoL) were matched for age, gender, and family income at an 1:4 ratio.

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Dec
2016

Allergic and inflammatory reactions have commonly been associated with the release of metal ions during orthodontic treatment. Our objective was to evaluate prospectively gingival and blood status in patients allergic to nickel.
Allergy to nickel was diagnosed using a patch test.

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Dec
2016

The aim of this study was to evaluate the impact of malocclusion on the oral health-related quality of life (OHRQoL) of 120 Brazilian adolescents with the Child Perceptions Questionnaire for 11 to 14 year olds (CPQ11-14). Malocclusion was evaluated by 2 calibrated dentists using the Dental Aesthetic Index. Adolescents' sex and age and the families' monthly income were recorded and considered as confounding variables.

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Dec
2016

Marfan syndrome is an autosomal-dominant genetic disorder that affects connective tissues. Diagnosis is based on genetic history as well as major and minor clinical criteria. This article presents a case of Marfan syndrome, emphasizing the clinical manifestations of the disease, and provides an overview of oral management.

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Oct
2016

This study evaluated the impact of molar-incisor hypomineralization (MIH) on oral health-related quality of life (OHRQoL) according to the perceptions of schoolchildren and their parents/caregivers. This cross-sectional study consisted of a sample of 594 schoolchildren between 11 and 14 years of age and their parents/caregivers who answered the questionnaires CPQ11-14ISF:16 and P-CPQ, respectively. The main independent variable of this study was MIH of the schoolchildren.

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Sep
2017

To evaluate the relationship between possible sleep bruxism and sleep characteristics in children.
A cross-sectional study was conducted through data collection of a pre-tested questionnaire answered by 111 parents on behalf of their children in the waiting room during their appointment at the Pediatric Dentistry Clinic of a public Brazilian university. The diagnosis of possible sleep bruxism was based on the international classification of sleep disorders (ICSD) criteria.

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Sep
2017

There is a need for studies on the biopsychosocial factors that influence the use of dental services by preschoolers.
To evaluate the influence of the perceptions of parents/caretakers and children regarding oral health-related quality of life (OHRQoL) as well as the sense of coherence (SOC) of parents/caretakers on the use of dental services among Brazilian preschoolers.
A school-based, cross-sectional study was conducted with 768 preschoolers.

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Jul
2017

Adolescence is a period with changes and conflicts.
The aim of this study was to investigate the association between sleep bruxism, verbal bullying at school, and life satisfaction among Brazilian adolescents.
A cross-sectional study of 1344 Brazilian adolescents was performed.

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Jun
2016

Evidence is contradictory regarding the association between oronasopharyngeal abnormalities and malocclusion. The aim of the present study was to assess the association between oronasopharyngeal abnormalities and malocclusion (anterior open bite and posterior crossbite) in preschoolers.
A cross-sectional study was conducted with a representative sample of 732 preschoolers aged 3-5 years old selected randomly from private and public preschools.

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Jun
2016

The aim of this study was to evaluate the psychometric properties of the Brazilian version of the Oral Anticoagulation Knowledge (OAK) Test.
This study, conducted in an anticoagulation clinic, included 201 Brazilian participants aged over 18 years, who had been using warfarin for more than two months. The reliability of the instrument was evaluated by assessing internal consistency (Kuder-Richardson coefficient) and reproducibility (test-retest reliability).

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Dec
1969

The purpose of this study was to investigate the impact of gastroesophageal reflux disease (GERD) on dental erosion (DE) in children and analyze the association between dental erosion and diet, oral hygiene, and sociodemographic characteristics.
This case-control study encompassed 43 two- to 14-year-olds diagnosed positive for GERD by the 24-hour pH monitoring, paired by age group with 136 healthy controls, in Belo Horizonte, Minas Gerais, Brazil. DE was assessed by one calibrated examiner using the O'Sullivan index.

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Dec
2016

Few studies have assessed the incidence and risk factors to crown fractures in preschool children. The aim of this study was to estimate the incidence of crown fracture in the primary dentition over a 1-year follow-up period, identify risk factors, and test the hypothesis that children with previous crown fracture are more prone to experience further cases of crown fracture independently of other risk factors.
This study was developed in two phases: cross-sectional and prospective longitudinal study.

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May
2016

The objectives of this prospective, longitudinal, population-based study were to estimate the incidence of dental caries in the primary dentition, identify risk factors and determine the proportion of children receiving dental treatment, through a two-year follow up. The first dental exam was conducted with 381 children aged one to five years, at health centers during immunization campaigns; 184 of them had dental caries and 197 had no caries experience. The second exam was carried out two years later at a nursery or at home with the same individuals who participated in the first exam.

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May
2016

Children with sickle cell disease may have their quality of life affected by oral alterations. However, there is still little data on oral health-related quality of life in these children. The aim of this study was to investigate the influence of sickle cell disease, socioeconomic characteristics, and oral conditions on oral health-related quality of life of children and teens.

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Apr
2016

The aim of the study was to evaluate the perception of parents/caregivers regarding the financial impact of oral health problems on the families of preschool children. A preschool-based, cross-sectional study was conducted with 834 preschool children in Campina Grande, Brazil. Parents/caregivers answered the Early Childhood Oral Health Impact Scale.

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Dec
1969

The aim of the present study was to search for scientific evidence concerning the association between breastfeeding and bottle feeding and risk of malocclusion in mixed and permanent dentitions. An electronic search was performed in eight databases up to February 2015. Additionally, a gray literature search and hand searches of the reference lists of the selected studies were also carried out.

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Feb
2016

The aim of the present study was to assess the association between untreated dental caries (UDC) and household food insecurity (HFI) among schoolchildren in different income strata. A population-based study was carried out with a sample of 584 12-y-old schoolchildren. Oral examinations were performed and HFI was determined using a validated scale.

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Dec
1969

The aim of this study was to assess the impact of oral conditions of children with sickle cell disease (SCD) on their parents' quality of life (QoL). A cross-sectional study was performed with parents of outpatients suffering from SCD at a hematology referral center in Belo Horizonte, MG. A qualified dentist performed an intraoral exam.

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Dec
1969

The aim of the present study was to investigate determinant factors associated with the presence of dental caries and lesion activity in preschool children. A population-based, cross-sectional study was carried out with 843 children of aged three to five years enrolled at public and private preschools in the city of Campina Grande, Brazil. A questionnaire addressing socio-demographic data and oral health care was self-administered by parents/caregivers.

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Dec
1969

Little is known about whether midazolam sedation can reduce salivary cortisol levels and consequently influence children's behaviour during dental treatment. The aim of this study was to evaluate the effect of midazolam sedation on salivary cortisol and its correlation with children's behaviour during restorative dental treatment. Eighteen healthy children, aged two to five years, were randomly assigned to two dental treatment appointments, both with physical restraint: oral midazolam 1 mg/kg (MS) and placebo (PS).

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Dec
1969

The objective of this study was to evaluate the impact of dental caries and social determinants in the Oral Health Related Quality of Life (OHRQoL) of children in Belo Horizonte, Brazil. This is a population-based cross-sectional study with a representative sample of 1,204 children aged 8 to 10 years randomly selected from 19 public and private schools. The children were clinically examined at school by two trained and calibrated examiners (Kappa = 0.

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Dec
1969

The purpose of this study was to evaluate the influence of oral health problems on the avoidance of smiling among preschool children.
A cross-sectional study was conducted with 835 three- to five-year-old children. Caregivers answered the Brazilian version of the Early Childhood Oral Health Impact Scale and a questionnaire on sociodemographic data.

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Dec
2015

The purpose of this study was to assess the agreement between Brazilian adolescents and their parents or caregivers regarding the adolescents' oral health-related quality of life during orthodontic treatment.
The sample consisted of 102 adolescent-parent/caregiver pairs. Adolescents answered the short form of the child perceptions questionnaire, and the parents or caregivers answered the parental-caregiver perceptions questionnaire.

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Jul
2016

To evaluate the psychosocial impact of the first 6 months of orthodontic treatment with a fixed appliance among young adults and compare the results with those of a control group of patients awaiting treatment for malocclusion.
A study was conducted with a sample of 120 patients on a waiting list for orthodontic treatment at a university. The participants were allocated to an experimental group submitted to treatment and a control group awaiting treatment.

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Oct
2015

To assess parents' and caregivers' view of the first twelve months of adolescents' orthodontic treatment with fixed appliances and to assess the evaluative properties of the Brazilian version of the Parental-Caregiver Perceptions Questionnaire (P-CPQ) in the orthodontic setting.
Data from a sample of 96 parents and caregivers of adolescents undergoing orthodontic treatment with fixed appliances were collected by means of P-CPQ. Assessments were performed before banding and bracket bonding (T1) and 12 months after placement of fixed appliances (T2).

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Dec
1969

To determine a high fear cut-off point score for the Dental Fear Survey (DFS) using a single-item self-report questionnaire.
The DFS, a 20-item questionnaire assessing fear of dental treatment, was completed by 1,256 participants with a mean age of 22.3 years (SD = 5.

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Sep
2015

The objective was to perform a comparative analysis of the effect of acid etching on enamel roughness between pumiced and non-pumiced teeth.
The sample was composed of 32 dental surfaces divided into two groups: Group 1-16 surfaces having received pumice prophylaxis; and Group 2-16 surfaces not having received pumice prophylaxis. The teeth were kept in saline until the first record of surface roughness prior to etching.

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Dec
2015

The aim of the present study was to evaluate the influence of oral conditions in preschool children and associated factors on work absenteeism experienced by parents or guardians.
A preschool-based, cross-sectional study was conducted of 837 children, 3-5 years of age, in Campina Grande, Brazil. Parents or guardians answered the Brazilian version of the Early Childhood Oral Health Impact Scale.

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Jul
2016

Oral health-related quality of life (OHRQoL) measures should be tested for responsiveness to change if they are to be used as outcomes in randomized clinical trials.
To assess the responsiveness of the Brazilian ECOHIS (B-ECOHIS) to dental treatment of dental caries.
One hundred parents of 3- to 5-year-old children completed the B-ECOHIS prior to their children's treatment and 7-14 days after completion of treatment.

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Jul
2016

The purpose of this study was to evaluate the influence of oral problems and biopsychosocial factors on the use of dental services by preschoolers.
A cross-sectional study was carried out with preschoolers in northeastern Brazil. Parents answered questions on visits to the dentist and sociodemographic characteristics, and completed the Brazilian version of the Early Childhood Oral Health Impact Scale.

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Jul
2016

The aim of the present study was to evaluate parental perceptions of oral health status in preschool children. A cross-sectional study was carried with 843 Brazilian children between 3 and 5 years of age. Parents/guardians answered a self-administered questionnaire on the health of their children and sociodemographic data.

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Oct
2015

There are no longitudinal studies that assess the impact of traumatic dental injury (TDI) on the oral health-related quality of life (OHRQoL) of preschool children. To investigate the impact of TDI on OHRQoL among preschool children, a population-based case-control study was carried out with a representative sample of 335 children, 3-5 years of age, enrolled at public and private preschools in the city of Campina Grande, Brazil. The case group and the control group were matched for age, gender, type of preschool and monthly household income at a ratio of 1:4 (67 cases and 286 controls).

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Dec
1969

Traumatic dental injury (TDI) during childhood may negatively impact the quality of life of children.
To describe the association of oral health-related quality of life (OHRQoL) and domains (oral symptons, functional limitation, emotional- and social-well-being) of children with individual and contextual variables.
A cross-sectional study was performed using a representative sample of 1,201 schoolchildren, 8-10 years-old, from public and private schools of Belo Horizonte, Brazil.

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