The association between malocclusion and health-related quality of life in adolescents: A mediation analysis.

This study investigated the role of oral health-related functional limitations and social well-being, self-perceived health, psychosocial factors, and social support in mediating the impact of malocclusion on health-related quality of life (HRQoL). A school-based 6-month cohort study was conducted with 376 12-year-old deprived adolescents. Measures at baseline included malocclusion (DAI score), dental caries, sociodemographic characteristics, psychosocial traits (self-esteem, sense of coherence, oral health beliefs), and social support. The oral health-related functional limitations and symptoms (social well-being) domains of the CPQ11-14 , self-perceived health, and HRQoL (Kiddo-KINDL) were evaluated at the 6-month follow-up. Associations between observed and latent variables (social support, psychosocial factors, and HRQoL) were evaluated using structural equation modelling, according to the Wilson and Cleary theoretical model. Malocclusion was indirectly associated with worse HRQoL, mediated by functional limitations, social well-being, and self-perceived health. Better psychosocial status was directly associated with better HRQoL, and higher social support was indirectly associated with better HRQoL via psychosocial factors. Dental caries experience, female sex, and lower family income were indirectly associated with worse HRQoL. The impact of malocclusion on HRQoL was mediated by oral health-related functional limitations, social well-being, and self-perceived health. Sociodemographic and psychosocial factors, and social support also impacted HRQoL.

Contextual and individual factors associated with traumatic dental injuries in deprived 12-year-old schoolchildren: A cohort study.

AIM: Traumatic dental injuries (TDIs) among children and adolescents have been acknowledged as of public health concern worldwide. The aim of the study was to assess the relationship between contextual and individual characteristics and TDIs in 12-year-old schoolchildren. MATERIALS AND METHODS: A cohort study was conducted with 355 schoolchildren living in deprived communities in the city of Manaus, Brazil. Contextual factors (place of residence and socio-economic indicators) and individual characteristics, including sex, family income, parents/guardians years of schooling, overjet and open bite (Dental Aesthetic Index), self-esteem (Rosenberg Self-Esteem Scale), sense of coherence (Sense of Coherence Scale), oral health beliefs, social support (Social Support Appraisals) were assessed at baseline. TDIs were measured at baseline and at 2-year follow-up using the O'Brien Index. Data were analysed through confirmatory factor analysis and structural equation modeling. RESULTS: The baseline prevalence of TDIs was 17.6% and the incidence of TDIs at 2-year follow-up was 26.8%. Better psychosocial status had a direct protective effect on the incidence of TDIs (ß = -.184). Better contextual characteristics (ß = -.135) and greater overjet (ß = -.203) were directly associated with poor psychosocial status. Higher schooling of parents/guardians directly predicted better psychosocial status (ß = .154). Psychosocial status mediated the relationship of greater overjet (ß = .036), contextual factors (ß = .024) and parental/guardian schooling (ß = -.027) with TDIs. CONCLUSIONS: Contextual factors and individual characteristics predicted TDIs. Psychosocial status was a relevant individual attribute in the causal network of TDIs, due to the direct effect on the incidence of TDIs as well as a mediator on the influence of contextual factors, overjet and parents/guardians schooling on the incidence of TDIs.

Is the at-home bleaching treatment applied only on the lingual surface as effective as that on the buccal surface? A randomized clinical trial.

OBJECTIVES: This double-blind randomized clinical trial compared the effectiveness and bleaching sensitivity (BS) of at-home dental bleaching performed on the buccal surface and on the lingual surface. METHODS: Using a split-mouth design, 25 patients were assigned to two bleaching groups: 10% hydrogen peroxide (White Class 10%, FGM) applied once daily for 60 min to the buccal surface (BSB) and 10% hydrogen peroxide (White Class 10%, FGM) applied once daily for 60 min to the lingual surface (LSB), both for 14 days. The color was evaluated before bleaching, after the first and second weeks, and 1 month after the bleaching using Vita Classical and Vita Bleachedguide scales and a Vita Easyshade spectrophotometer. BS was recorded daily using a 0-4 numerical rating scale and a 0-10 visual analogue scale. The following statistical tests were used: color changes (Mann-Whitney), absolute risk of BS (McNemar's exact), and the intensity of BS (Mann-Whitney). In all statistical tests, the significance level was 5%. RESULTS: Significant bleaching was observed after the end of bleaching in both groups, with higher bleaching effectiveness for BSB when compared to LSB (p < 0.05). Regarding BS, no significant difference was observed between groups (p = 1.00). CONCLUSIONS: The 10% hydrogen peroxide (White Class 10%, FGM) applied in at-home bleaching performed on the lingual surface did not promote a similar result of color change compared to on the buccal surface. Regarding BS, there was no significant difference between the groups. CLINICAL RELEVANCE: The at-home bleaching performed on the lingual surface promotes a lower result in the color change. BS is similar between the groups. CLINICAL TRIAL REGISTRATION NUMBER: RBR-283byt.

The role of dental pain and psychosocial factors on the relationship between dental caries and oral health-related quality of life in children.

BACKGROUND: To examine the role of dental pain, sense of coherence (SOC) and social support on the relationship between dental caries and oral health-related quality of life (OHRQoL) in children aged 12 years. METHODS: A cross-sectional study involving 400 schoolchildren selected from public schools in a socioeconomically disadvantaged region in the city of Manaus, Brazil was carried out. The predictors of OHRQoL were selected according to the Wilson and Cleary theoretical model, including number of decayed teeth and its clinical consequence (component D of the DMFT index and PUFA/pufa index), dental pain (symptom status), and SOC and social support (individual and environmental characteristics). Statistical analysis was conducted through structural equation modelling and multivariable negative binomial regression. The significance level established for all analyses was 5%. RESULTS: Number of dental caries was indirectly linked with OHRQoL (ß = 0.19, 95% CI 0.11/0.29) through dental pain, SOC and social support. Clinical consequences of untreated caries directly predicted poor OHRQoL (ß = 0.12, 95% CI 0.01/0.23). Dental pain, SOC and social support did not moderate the effect of dental caries measures on OHRQoL. CONCLUSION: Our findings suggest the role of dental pain, SOC and social support as mediator factors on the link between dental caries and OHRQoL. Tackling dental caries along with psychosocial factors may attenuated the impact of oral health on OHRQoL in children.

The influence of change on sense of coherence on dental services use among adolescents: a two-year prospective follow-up study.

BACKGROUND: To investigate the influence of change on sense of coherence (SOC) on dental services use in adolescents over a two-year period. METHODS: A prospective follow-up study was conducted involving 334 12-year-old adolescents from public schools in the city of Manaus, Amazonas, Brazil. The predictors of use of dental services in the last 12 months were selected according to the Andersen's behavioural theoretical model. The predisposing factors included sex, self-reported skin colour and SOC. The enabling factors were dental insurance, monthly family income and parents/guardians schooling. Dental pain, perceived oral health status, dental caries and gingival status were used to assess need factors. Multivariable Poisson regression with robust variance was used to estimate incidence-rate ratios (IRR) and 95% confidence intervals between the independent variables and use of dental services. RESULTS: Adolescent's SOC scores decreased significantly between baseline and one-year follow-up. SOC decline decreased the likelihood of using dental services in the last 12 months (IRR = 0.96 95%CI 0.92-0.99). Dental caries (IRR = 1.03 95%CI 1.01-1.04) and gingival bleeding (IRR = 1.01 95%CI 1.01-1.02) remained associated with use of dental services in the last 12 months. Adolescents with dental pain were more likely to have visited a dentist in the last year (IRR = 1.03, 95%CI 1.01-1.06). CONCLUSION: SOC decrease over one-year period was a meaningful factor of dental services use among 12-year-old adolescents. Dental pain and clinical conditions were also relevant factors that can influence use of dental services in this group.

Barriers to access and organization of primary health care services for rural riverside populations in the Amazon.

BACKGROUND: The ways of life in the Amazon are diverse and not widely known. In addition, social inequities, large geographic distances and inadequate health care network noticeably limit access to health services in rural areas. Over the last decades, Brazilian health authorities have implemented fluvial mobile units (FMU) as an alternative to increase access and healthcare coverage. The aim of the study was to identify the strategies of access and utilization of primary health care (PHC) services by assessing the strengths and limitations of the healthcare model offered by the FMU to reduce barriers to services and ensure the right to healthcare. METHODS: Qualitative and ethnographic research involving participant observation and semi-structured interviews. Data collection consisted of interviews with users and health professionals and the observation of service organization and healthcare delivered by the FMU, in addition to the therapeutic itineraries that determine demand, access and interaction of users with healthcare services. RESULTS: Primary care is offered by the monthly locomotion of the FMU that serves approximately 20 rural riverside communities. The effectiveness of the actions of the FMU proved to be adequate for conditions such as antenatal care for low-risk pregnancy, which require periodic consultations. However, conditions that require continued attention are not adequately met through the organization of care established in the FMU. The underutilization of the workforce of community health workers and disarrangement between their tasks and those of the rest of the multi-professional team are some of the reasons pointed out, making the healthcare continuity unfeasible within the intervals between the trips of the FMU. From the users' perspective, although the presence of the FMU provides healthcare coverage, the financial burden generated by the pursuit for services persists, since the dispersed housing pattern requires the locomotion of users to reach the mobile unit services as well as for specialized care in the urban centers. CONCLUSIONS: The implementation of the FMU represents an advance in terms of accessibility to PHC. However, the organization of their activity uncritically replicates the routines adopted in the daily routine of health services located in urban spaces, proving to be inadequate for providing healthcare strategies capable of mitigating social and health inequalities faced by the users.

Socioeconomic status, social support, oral health beliefs, psychosocial factors, health behaviours and health-related quality of life in adolescents.

PURPOSE: This study assessed the relationships between socioecononic status (SES), social support, oral health beliefs, psychosocial factors, health-related behaviours and health-related quality of life (HRQoL) in adolescents. METHODS: A school-based follow-up study involving 376 12-year-old adolescents was conducted in Manaus, Brazil. Baseline data included sociodemographic characteristics (sex, parental schooling, family income, household overcrowding and number of goods), social support (SSA questionnaire), oral health beliefs and psychosocial factors (Sense of Coherence [SOC-13 scale] and self-esteem [Rosenberg Self-Esteem Scale]). Health-related behaviours (toothbrushing frequency, sedentary behaviour, smoking and sugar consumption) and HRQoL [KINDL questionnaire] were assessed at 6-month follow-up. Structural Equation Modelling assessed the relationships between variables. RESULTS: Greater social support (ß = 0.30), higher SOC (ß = 0.23), higher self-esteem (ß = 0.23), higher toothbrushing frequency (ß = 0.14) and less smoking (ß = - 0.14) were directly linked with better HRQoL. SES (ß = 0.05), social support (ß = 0.26), oral health beliefs (ß = - 0.02) were indirectly linked to HRQoL. Higher SES directly predicted higher toothbrushing frequency (ß = 0.14) and less smoking (ß = - 0.22). Greater social support also directly predicted higher SOC (ß = 0.55), positive oral health beliefs (ß = - 0.31) and higher self-esteem (ß = 0.58). Greater social support indirectly predicted less smoking via oral health beliefs (ß = - 0.05) and less sugar consumption via SOC (ß = - 0.07). CONCLUSION: Socioeconomic status, social support, oral health beliefs and psychosocial factors were important predictors of adolescent's health behaviours and HRQoL over 6-month period through direct and indirect mechanisms. Health behaviours also directly influenced HRQoL.

Utilisation of dental services by Brazilian adults in rural and urban areas: a multi-group structural equation analysis using the Andersen behavioural model.

BACKGROUND: The utilisation of health services is determined by complex interactions. In this context, rural populations face greater barriers in accessing dental services than do urban populations, and they generally have poorer oral health status. The evaluation of the determinants of health services utilisation is important to support planning and management of dental services. The aim of this study was to evaluate the predictors of dental services utilisation of Brazilian adults living in rural and urban areas. METHODS: Data from 60,202 adults aged 18 years or older who took part in the Brazilian National Health Survey carried out in 2013 were analysed. Predisposing (age, sex, education, social networks), enabling financing (income, durable goods and household's crowding), enabling organisation (health insurance, registration in primary health care [PHC]) and need variables (eating difficulties, self-perceived tooth loss and self-perceived oral health) were selected based upon the Andersen behavioural model. Multi-group structural equation modeling assessed the direct and indirect associations of independent variables with non-utilisation of dental services and the interval since the last dental visit for individuals living in rural and urban areas. RESULTS: Adults living in urban areas were more likely to use dental services than those living in rural areas. Lower enabling financing, lower perceived dental needs and lack of PHC registration were directly associated with lower utilisation of dental services (non-utilisation, ß = - 0.36, ß = - 0.16, ß = - 0.03, respectively; and interval since last dental visit, ß = 1.25, ß = 0.82, ß = - 0.12, respectively). The enabling financing (non-utilisation, ßrural = - 0.02 [95%CI: - 0.03 to - 0.02], ßurban = 0.00 [95%CI: - 0.01 to 0.00]) and PHC registration (non-utilisation, ßrural = - 0.03 [95%CI: - 0.04 to - 0.02], ßurban = - 0.01 [95%CI, - 0.01 to - 0.01]) non-standardised total effects were stronger in rural areas. Enabling organisation (ß = 0.16) and social network (ß = - 2.59) latent variables showed a direct effect on the interval since last dental visit in urban areas. Education and social networks influenced utilisation of dental services through different pathways. Males showed less use of dental services in both urban and rural areas (non-utilisation, ßrural = - 0.07, ßurban = - 0.04; interval since last dental visit, ßrural = - 0.07, ßurban = - 0.07) and older adults have used dental services longer than younger ones, mainly in rural areas (ßrural = 0.26, ßurban = 0.17). CONCLUSION: Dental services utilisation was lower in rural areas in Brazil. The theoretical model was supported by empirical data and showed different relationships between the predictors in the two geographical contexts. In rural areas, financial aspects, education, primary care availability, sex and age were relevant factors for the utilisation of services.

Clinical Consequences of Untreated Dental Caries, Individual Characteristics, and Environmental Factors on Self-Reported Oral Health Measures in Adolescents: A Follow-Up Prevalence Study.

BACKGROUND/AIMS: This study evaluated the relationships of clinical consequences of untreated dental caries, individual characteristics, and environmental factors on self-reported oral health measures in adolescents. METHODS: A follow-up prevalence study was conducted involving 406 twelve-year-old adolescents selected from public schools in the eastern area of the city of Manaus, Brazil. Baseline data included clinical consequences of untreated caries (PUFA/pufa index), DMFT, sociodemographic characteristics (sex, parental schooling, and family income), psychosocial factors (sense of coherence [SOC-13 scale], oral health beliefs and self-esteem [Rosenberg Self-Esteem Scale]), and social support (SSA questionnaire). Oral health-related quality of life (OHRQoL [CPQ11-14]) and self-rated oral health were assessed at the 6-month follow-up. Structural equation modelling was used to explore the relationships between variables according to the Wilson and Cleary model. RESULTS: The prevalence of PUFA/pufa was 17.8% and mean DMFT was 1.5. The number of teeth with clinical consequences of untreated caries predicted poor self-rated oral health at the 6-month follow-up. Low parental schooling predicted low family income and clinical consequences of untreated dental caries. Psychosocial factors predicted OHRQoL directly and self-rated oral health indirectly. OHRQoL was linked to self-rated oral health. Clinical consequences of untreated dental caries mediated the relationship of parental schooling with OHRQoL and self-rated oral health. OHRQoL mediated the relationship of psychosocial factors and sex with self-rated oral health. Clinical consequences of untreated dental caries was associated with adolescents' self-rated oral health. Furthermore, the former was an important mediator on the link between low parental education and adolescents' self-reported oral health measures. CONCLUSIONS: Socioeconomic status, psychosocial factors, and social support were related to OHRQoL and self-rated oral health via direct and indirect pathways.

Comparison of the effect of photobiomodulation therapy and Ibuprofen on postoperative pain after endodontic treatment: randomized, controlled, clinical study.

The aim of the study was to compare the effect of Ibuprofen and the application of photobiomodulation therapy protocol on the reduction of postoperative pain in endodontically treated teeth using a randomized clinical trial design. Seventy patients, diagnosed with symptomatic irreversible pulpitis, were selected. Treatment was performed by a single operator; a reciprocal system was used to prepare the canals; they were obturated using the Tagger's hybrid technique and coronally sealed with glass-ionomer cement. After treatment, patients were randomly divided into 2 groups. In the active control group, two Ibuprofen 600 mg tablets were administered within a 12-h interval. In the photobiomodulation therapy group, the irradiation was applied after treatment. The evaluation of postoperative pain was performed by another researcher blinded to the groups at 6, 12, 24, and 72 h intervals after treatment. To measure the outcome, two pain scales were used: numerical rate scale (NRS) and verbal rate scale (VRS). Data were analyzed using the chi-square, Mann-Whitney, and Wilcoxon paired tests. Outcome was superior with photobiomodulation therapy at 6 h (p < 0.001), 12 h (p = 0.005), and 24 h (p < 0.001) intervals compared with Ibuprofen. The results for the 72 h (p = 0.317) interval were similar, both in the VRS and NRS scales. It may be concluded that the use of photobiomodulation therapy was effective in reducing pain within the first 24 h when compared with the administration of Ibuprofen 600 mg.

The association between nutritional status and dental caries in low-income children: A multilevel analysis.

BACKGROUND: The possible association between obesity, underweight, and dental caries remains in debate. In addition, the role of sugar consumption on the abovementioned relationship was little explored. AIM: This study aimed to investigate the relationship between nutritional status and dental caries in 12-year-old low-income children. DESIGN: This cross-sectional school-based study involved 406 12-year-old children living with limited economic resources. Dental caries was assessed using the decayed component of DMFT and PUFA/pufa index. Children were weighed and measured to assess nutritional status according to z-score/body mass index. Data on socio-economic and demographic characteristics, sugar consumption, sedentary behaviour, and psychosocial factors were collected through validated questionnaires. Multivariable multilevel Poisson regression was performed. RESULTS: Underweight children had 60% (RR = 1.60; 95% CI 1.13-2.57) higher mean of decayed teeth and had mean PUFA/pufa 2.8 times higher than children with normal nutritional status. Underweight children with high annual sugar intake had a greater mean of decayed teeth (RR = 2.72; 95% CI 1.46-5.06) than underweight children with low sugar intake. CONCLUSIONS: Our findings suggest that malnutrition is associated with dental caries among children from low-income families.

Effect of photobiomodulation therapy on postoperative pain after endodontic treatment: a randomized, controlled, clinical study.

OBJECTIVE: The aim of this prospective, randomized, clinical study was to assess the effect of photobiomodulation therapy (PBM) with low-level laser irradiation (LLLI) on postoperative pain after endodontic treatment. MATERIALS AND METHODS: Sixty patients, diagnosed with irreversible pulpitis in lower molar teeth, participated in the study. All treatments were performed by a single operator. Participants were randomly divided into two groups: in the experimental group (EG), endodontic treatment was performed with a reciprocating system, immediately followed by PBM with LLLI; and only endodontic treatment was performed in the control group (CG). Postoperative pain was assessed by a second examiner, who was blinded, using two scales: verbal rating scale (VRS) and numerical rating scale (NRS). Assessment was carried out at 6, 12, and 24 h after treatment. Data were analyzed using chi-squared, Fisher's exact, Mann-Whitney tests, ordinal, and non-parametric regression analyses. RESULTS: For the prevalence of pain, the difference between the groups was significant for the evaluations performed after 6 h (p = 0.04) and 24 h (p = 0.02). The difference after 24 h remained significant after stratification by sex and extrusion of filling material. Increased pain intensity was associated with extrusion of root canal filling material to the periapical region in the two scales used. CONCLUSION: The effect of PBM therapy after endodontic treatment showed a significant decreasein prevalence of postoperative pain. CLINICAL RELEVANCE: The PBM reduces the prevalence of postoperative pain and may benefit patients who need endodontic treatment.

Determinants of Health-Related and Oral Health-Related Quality of Life in Adults With Orofacial Clefts: A Cross-Sectional Study.

OBJECTIVES: To investigate the structural and intermediary determinants of health-related quality of life (HRQoL) and oral health-related quality of life (OHRQoL) among adults with cleft lip and/or palate (CL/P). DESIGN AND PARTICIPANTS: A cross-sectional study was conducted with patients enrolled at the referral center for craniofacial anomalies in Manaus, Brazil. Adults aged 18 years or more with nonsyndromic CL/P were selected. MAIN OUTCOME MEASURES: Both HRQoL and OHRQoL were assessed using the 36-item Short-Form Health Survey and the Oral Impacts on Daily Performance, respectively. Individual interviews and oral examinations were conducted to collect data on socioeconomic and demographic characteristics, social ties, health-related behaviors, compliance of CL/P protocol, chronic diseases, type of CL/P, oral clinical measures, and CL/P-related measures. Poisson regression was used to test the association of independent variables with HRQoL and OHRQoL outcomes. RESULTS: The mean age of the 96 participants was 29.4 ± 9.1 years. Low family income, female sex, low social support, type of CL/P, and dental caries were associated with poor HRQoL and poor OHRQoL ( P < .05). Poor HRQoL was also associated with chronic diseases ( P < .05). Adults with low education, low social network, and smokers were more likely to have worse OHRQoL ( P < .05). CONCLUSIONS: Structural and intermediary determinants were related to HRQoL and OHRQoL in adults with CL/P, suggesting the need for interdisciplinary approaches to improve the management of CL/P and intersectoral actions to reduce the impact of social inequalities.

Measurement of health-related and oral health-related quality of life among individuals with nonsyndromic orofacial clefts: a systematic review and meta-analysis.

Objective : To compare health-related quality of life and oral health-related quality of life between nonsyndromic individuals with and without cleft lip and/or cleft palate and to identify the most affected quality of life dimensions in individuals with cleft lip and/or palate. Design : Systematic review and meta-analysis were conducted. Of the 314 identified citations, 23 articles were submitted to quality assessment. Data from nine studies on health-related quality of life and six on oral health-related quality of life were extracted for meta-analysis. Main Outcome Measures : Pooled mean differences of health-related quality of life between adults with and without cleft lip and/or palate, pooled means of health-related quality of life dimensions of children and adults with cleft lip and/or palate and oral health-related quality of life dimensions of children and adolescents with cleft lip and/or palate with a 95% confidence interval were calculated. Results : Quality assessment revealed methodological differences between studies. Lack of subgroup stratification and absence of control for confounders were the main limitations. Heterogeneity was detected on the comparison of oral health-related quality of life and health-related quality of life between children with and without cleft lip and/or palate, and oral health-related quality of life between adolescents with and without cleft lip and/or palate. A random-effect model showed a significant difference on health-related quality of life between adults with and without cleft lip and/or palate (mean difference = 0.10; 95% confidence interval, 0.16 to 0.05). Psychological health (mean, 78.9; 95% confidence interval, 70.1 to 87.7) and vitality (mean, 68.1; 95% confidence interval, 48.0 to 88.1) were the most affected health-related quality of life dimensions in children and adults with cleft lip and/or palate, respectively. Means of health-related quality of life dimensions in children and adults with cleft lip and/or palate and oral health-related quality of life in children and adolescents with cleft lip and/or palate varied yet did not differ in indirect comparisons. Conclusion : The presence of cleft lip and/or palate negatively affected the health-related quality of life of adults, mainly on psychosocial dimensions.

Utilization of dental services by children with autism spectrum conditions: The role of primary health care.

AIM: Children with autism spectrum conditions (ASC) face many barriers to access dental health services, despite having a greater need for care. The aim of the study was to evaluate the use of dental health services by children with ASC and the individual factors related to the demand for primary care services. METHODS: A cross-sectional study was carried out with 100 caregivers of children with ASC aged 6-12 years in a city in Brazil. After the descriptive analysis, logistic regression analyses were carried out to estimate the odds ratio and 95% confidence intervals. RESULTS: The caregivers reported that 25% of the children had never been to the dentist and 57% had an appointment over the past 12 months. Seeking primary care for dental treatment and frequent toothbrushing were positively associated with both outcomes and participating in oral health preventive activities decreased the chance of never having been to the dentist. Having male caregivers and activity limitations due to autism decreased the chance of having been to the dentist over the past year. CONCLUSION: The findings suggest that reorganizing care of children with ASC can contribute to reducing access barriers to dental health services.

Comparison of normative methods and the sociodental approach to assessing orthodontic treatment needs in 12-year-old schoolchildren.

PURPOSE: To compare normative methods of orthodontic treatment need with the sociodental approach in 12-year-old students and correlate the normative measures of malocclusion with the impact of oral health on daily activities. MATERIALS AND METHODS: A cross-sectional study of 201 12-year-old students was conducted in the city of Manaus, Brazil. The normative orthodontic treatment need was determined by oral clinical examination using two occlusal indices, the Index of Orthodontic Treatment Need (IOTN), comprising the Dental Health Component (DHC) and Aesthetic Component (AC ), and the Dental Aesthetic Index (DAI). The sociodental approach combined normative measures (IOTN and DAI), the impact of malocclusion on daily activities (Child-Oral Impacts on Daily Performances index, Child-OIDP) and propensity- related orthodontic treatment assessment. The normative method and the sociodental approach of orthodontic treatment needs assessment were compared using the McNemar test. The association between the impact of malocclusion on daily activities and normative orthodontic need was tested using χ2 and Kruskal-Wallis tests. RESULTS: The frequency of individuals with normative need according to IOTN/DHC (24.9%) and DAI (42.3%) was statistically higher when compared with the sociodental approach (<= 4.5%) (P < 0.001). The sociodental approach provided different results using IOTN/DHC (1.5%) and DAI (4.5%) (P < 0.001). The magnitude of normative need was associated with the impact of malocclusion on children's daily activities. CONCLUSION: Substantial reductions in normative need estimates for orthodontic treatment were observed using the sociodental approach. The sociodental approach for orthodontic treatment needs can optimise the use of resources in oral health services.

Socio-economic status, psychosocial factors, health behaviours and incidence of dental caries in 12-year-old children living in deprived communities in Manaus, Brazil.

OBJECTIVES: This study examines the relationships between socio-economic status, psychosocial factors, health-related behaviours and the incidence of dental caries amongst 12-year-old schoolchildren living in deprived communities in Manaus, Brazil. METHODS: A longitudinal study involving 312 children aged 12 years was conducted in the city of Manaus, Brazil. Baseline data including socio-economic status (number of goods, household overcrowding, parents' schooling, family income), psychosocial factors (sense of coherence [SOC-13], social support [Social Support Appraisals questionnaire]) and health-related behaviours (frequency of toothbrushing, sugar consumption, sedentary behaviour) were collected through structured questionnaires. The number of decayed teeth was clinically assessed at baseline and one-year follow-up. A hypothesised model evaluating the direct and indirect pathways between the variables was tested using confirmatory factor analysis and structural equation modelling. RESULTS: The incidence of dental caries at the one-year follow-up was 25.6%. Sugar consumption (ß = 0.103) and sedentary behaviour (ß = 0.102) directly predicted the incidence of dental caries. A higher socio-economic status was directly linked with lower sugar consumption (ß = -0.243) and higher sedentary behaviour (ß = 0.227). Higher social support directly predicted lower sugar consumption (ß = -0.114). Lower socio-economic status (ß = -0.046) and lower social support (ß = -0.026) indirectly predicted the incidence of dental caries via sugar consumption and sedentary behaviour. CONCLUSIONS: In the population studied, sugar consumption and sedentary behaviour are meaningful predictors of the incidence of dental caries amongst schoolchildren living in deprived communities. Indirect pathways of lower socio-economic status and low social support with dental caries incidence via sugar consumption and sedentary behaviour were detected. These findings should be considered in oral interventions and oral health care policies to prevent dental caries amongst children living in deprivation. CLINICAL SIGNIFICANCE: Social conditions, social support, sedentary behaviour and sugar consumption directly influence dental caries in children.

The role of rurality on factors associated with major depressive episode screening among Brazilian adults in a national household survey.

BACKGROUND: Worldwide, depression is one of the leading causes of disability, contributing significantly to the global burden of disease. The aim of this study was to evaluate in Brazil the effect of living in rural or urban areas on the prevalence of major depressive episode (MDE), as well as the differences among associated factors in both contexts. METHODS: Data from 60,202 adult residents from a household-based cross-sectional survey conducted in Brazil were analyzed. The prevalence of MDE, evaluated using PHQ-9, as well as the prevalence ratios between the categories of the independent variables were estimated. Multiple hierarchical Poisson regression analyses based on a theoretical model were reproduced for both rural and urban areas. RESULTS: Residents of rural areas showed lower MDE prevalence (3.3% [95% CI: 2.9-3.9] vs. 4.2% [95% CI: 3.9-4.6], p < .05) and the effect of rurality remained even adjusted by potential confounders (PR = 0.8 [95% CI: 0.7-0.9]). Better education, social network, and access to health services were protective factors for both rural and urban areas, while previous diagnosis of depression, chronic diseases, and obesity were risk factors. Living in the northern region, being indigenous, presenting higher income and number of goods were protective factors only in rural areas. In urban areas, being younger and having an occupation were protective factors, whereas female sex and having some disability were risk factors. CONCLUSIONS: Rural and urban areas differ not only in the prevalence of depression, but also in the way in which different factors influence its occurrence.

Validation of the brazilian version of the oral health impact profile - Aesthetic questionnaire.

The aim of the study was to develop the Brazilian version of the Oral Health Impact Profile - Aesthetic Questionnaire (OHIP-Aes-Braz) and test its psychometric properties. The questionnaire test versions were developed by a panel of experts and a pre-test was conducted in a focus group. Data used for testing its psychometric properties were obtained from a randomized controlled clinical trial on tooth bleaching. Seventy-nine Brazilian adults were included. The questionnaires were applied before tooth bleaching treatment (baseline), one week (T1), and one month after the intervention (T2). Reliability was assessed in terms of internal consistency and stability, while validity was ascertained by criterion and construct validity. The sensitivity to change was assessed comparing the total scores at baseline and T2, using the Wilcoxon test (α = 0.05). Both stability and internal consistency (intra-class correlation coefficient=0.95, Cronbach's α = 0.92) proved to be adequate. Construct validity was confirmed as the correlation between OHIP-Aes-Braz scores with tooth color satisfaction and self-perceived oral health were in the expected direction. A positive correlation between OHIP-Aes-Braz and OHIP-14 (rs=0.63) and OIDP (rs=0.77) was observed. The instrument was responsive once differences in total scores before and after treatment were statistically significant (p<0.001). The OHIP-Aes-Braz presented good psychometric properties and showed sensitivity to change regarding aesthetics evaluation in Brazilian adults treated with tooth bleaching. A valid and reliable instrument allows a suitable assessment of oral health-related quality of life in Brazilian patients submitted to aesthetics dental interventions.