Ter dentes brancos é cada vez mais uma exigência estética. A indicação do tratamento clareador dental, bem como da técnica empregada, deve ser criteriosa. Os agentes clareadores mais utilizados para dentes vitalizados são peróxido de hidrogênio e peróxido de carbamida, em diferentes concentrações. Duas técnicas são mais utilizadas, clareamento em consultório e clareamento caseiro, cujas indicações devem estar embasadas na segurança do paciente, no que diz respeito à manutenção da integridade de seus órgãos dentais, bem como de sua saúde bucal e geral. A finalidade deste estudo, a cerca do tratamento clareador dental é trazer resultados que permitam ao profissional de Odontologia, indicar o melhor tratamento visando segurança. Avaliando quanto à facilitação do desgaste de dentes humanos, submetidos in vitro às duas técnicas e aos dois principais agentes clareadores, ambulatorial e caseira, peróxido de hidrogênio, 35% (Whiteness HP MAXX FGM) e peróxido de carbamida a 10% (Whiteness Perfect - FGM), respectivamente, e à ação mecânica de um ensaio de escovação simulada. Ambos os tratamentos foram realizados sob a técnica recomendada pelo fabricante. A escovação simulada foi realizada diariamente (10 dias, 500 ciclos). Corpos-de-prova (cp) foram divididos em 5 grupos (N=8) sendo um controle (sem clareamento) e 4 experimentais (um grupo recebeu a técnica ambulatorial e três a técnica caseira). Ainda foi avaliado o tempo de espera para a realização da escovação após o tratamento clareador caseiro (15, 30 e 60 minutos). A variação de massa foi aferida por peso, inicial e final dos cp (antes e depois do clareamento e escovação), em balança analítica, após a desidratação destes em sílica gel. Análise estatística (ANOVA Oneway e Student-Newman-Keuls) foi realizada e os resultados permitiram concluir que: 1- Ocorreu perda de massa nos dentes humanos após serem submetidos a ambos os tratamentos clareadores propostos e no grupo controle (sem clareamento), seguido de ensaio de escovação; 2- Peróxido de hidrogênio a 35%, técnica ambulatorial, ocasionou a menor perda de massa do esmalte dentário após o ensaio de escovação, embora sem diferença estatística; 3- Os grupos submetidos ao clareamento com peróxido de carbamida apresentaram a maior perda de massa, mas não houve diferença entre os tempos de espera para a realização do ensaio de escovação. / White teeth are more and more the aesthetic demand. The indication makes whitening teeth and the employed technique being of criterious use. Hydrogen peroxide and Carbamide peroxide are the whitening agents more used to vitalized teeth in different concentrations. There are two whitening teeths techniques: in office and at home, whose indications should be based on patients safety, concerning to the maintenance of the teeths integrity, as well as oral and general health. The aim of this study is to bring results to allow the professional of Dentistry to indicate the best treatment in order to give safety, evaluating facilitation to wear and tear in humans' teeth, submitted in vitro to the two techniques and the two main whitening agents, Hydrogen peroxide, 35% (Whiteness HP MAXX - FGM) and Carbamide peroxide, 10% (Whiteness Perfect - FGM), respectively, and to a mechanical action of a simulated brushing essay. Both whitening teeths treatments were accomplished by a technique recommended by the manufacturer. Simulated brushing was accomplished daily, 500 cycles, for 10 days. The specimens were divided in 5 groups (N=8), one control (without whitening teeth) and 4 experimental (one group received in office technique and the others received at home technique). It was still evaluated the waiting time in accomplishing the simulated brushing after the treatment at home (15, 30 and 60 minutes). The mass variation among the specimens was checked by initial and final weight (after and before the whitening teeth and the simulated brushing), in analytical scale and after the dehydration in silica gel of them. The statistical analysis (ANOVA Oneway and Student-Newman-Keuls) was accomplished and the results allowed concluding that: 1- It occurred loss of mass in the human teeth after they were submitted to both whitening treatments proposed, followed by simulated brushing essay, and on control group (without whitening teeth treatment); 2- Hydrogen peroxide 35% caused the smallest loss of mass in the enamel, after simulated brushing essay, with statistical difference; 3- There was no significant difference in the weight loss occurred with any waiting times proposed between the whitening teeth treatment with carbamide peroxide 16% and the simulated brushing essay, maybe this treatment caused the biggest loss of mass in enamel.

Ter dentes brancos é cada vez mais uma exigência estética. A indicação do tratamento clareador dental, bem como da técnica empregada, deve ser criteriosa. Os agentes clareadores mais utilizados para dentes vitalizados são peróxido de hidrogênio e peróxido de carbamida, em diferentes concentrações. Duas técnicas são mais utilizadas, clareamento em consultório e clareamento caseiro, cujas indicações devem estar embasadas na segurança do paciente, no que diz respeito à manutenção da integridade de seus órgãos dentais, bem como de sua saúde bucal e geral. A finalidade deste estudo, a cerca do tratamento clareador dental é trazer resultados que permitam ao profissional de Odontologia, indicar o melhor tratamento visando segurança. Avaliando quanto à facilitação do desgaste de dentes humanos, submetidos in vitro às duas técnicas e aos dois principais agentes clareadores, ambulatorial e caseira, peróxido de hidrogênio, 35% (Whiteness HP MAXX FGM) e peróxido de carbamida a 10% (Whiteness Perfect - FGM), respectivamente, e à ação mecânica de um ensaio de escovação simulada. Ambos os tratamentos foram realizados sob a técnica recomendada pelo fabricante. A escovação simulada foi realizada diariamente (10 dias, 500 ciclos). Corpos-de-prova (cp) foram divididos em 5 grupos (N=8) sendo um controle (sem clareamento) e 4 experimentais (um grupo recebeu a técnica ambulatorial e três a técnica caseira). Ainda foi avaliado o tempo de espera para a realização da escovação após o tratamento clareador caseiro (15, 30 e 60 minutos). A variação de massa foi aferida por peso, inicial e final dos cp (antes e depois do clareamento e escovação), em balança analítica, após a desidratação destes em sílica gel. Análise estatística (ANOVA Oneway e Student-Newman-Keuls) foi realizada e os resultados permitiram concluir que: 1- Ocorreu perda de massa nos dentes humanos após serem submetidos a ambos os tratamentos clareadores propostos e no grupo controle (sem clareamento), seguido de ensaio de escovação; 2- Peróxido de hidrogênio a 35%, técnica ambulatorial, ocasionou a menor perda de massa do esmalte dentário após o ensaio de escovação, embora sem diferença estatística; 3- Os grupos submetidos ao clareamento com peróxido de carbamida apresentaram a maior perda de massa, mas não houve diferença entre os tempos de espera para a realização do ensaio de escovação. / White teeth are more and more the aesthetic demand. The indication makes whitening teeth and the employed technique being of criterious use. Hydrogen peroxide and Carbamide peroxide are the whitening agents more used to vitalized teeth in different concentrations. There are two whitening teeths techniques: in office and at home, whose indications should be based on patients safety, concerning to the maintenance of the teeths integrity, as well as oral and general health. The aim of this study is to bring results to allow the professional of Dentistry to indicate the best treatment in order to give safety, evaluating facilitation to wear and tear in humans' teeth, submitted in vitro to the two techniques and the two main whitening agents, Hydrogen peroxide, 35% (Whiteness HP MAXX - FGM) and Carbamide peroxide, 10% (Whiteness Perfect - FGM), respectively, and to a mechanical action of a simulated brushing essay. Both whitening teeths treatments were accomplished by a technique recommended by the manufacturer. Simulated brushing was accomplished daily, 500 cycles, for 10 days. The specimens were divided in 5 groups (N=8), one control (without whitening teeth) and 4 experimental (one group received in office technique and the others received at home technique). It was still evaluated the waiting time in accomplishing the simulated brushing after the treatment at home (15, 30 and 60 minutes). The mass variation among the specimens was checked by initial and final weight (after and before the whitening teeth and the simulated brushing), in analytical scale and after the dehydration in silica gel of them. The statistical analysis (ANOVA Oneway and Student-Newman-Keuls) was accomplished and the results allowed concluding that: 1- It occurred loss of mass in the human teeth after they were submitted to both whitening treatments proposed, followed by simulated brushing essay, and on control group (without whitening teeth treatment); 2- Hydrogen peroxide 35% caused the smallest loss of mass in the enamel, after simulated brushing essay, with statistical difference; 3- There was no significant difference in the weight loss occurred with any waiting times proposed between the whitening teeth treatment with carbamide peroxide 16% and the simulated brushing essay, maybe this treatment caused the biggest loss of mass in enamel.

O objetivo desse estudo foi avaliar sistematicamente o efeito da escovação simulada e do envelhecimento artificial acelerado (EAA) sobre estabilidade de cor e rugosidade de superfície de compósitos odontológicos de nanopartículas (Z350 - 3M ESPE) e híbrido (Tetric N-Ceram - Ivoclar Vivadent). Foram confeccionados 24 corpos-de-prova (12mm de diâmetro X 2mm de espessura) para cada compósito e uma cerâmica de revestimento (IPS e.max Ceram - Ivoclar Vivadent) como controle. Após sua confecção, os corpos-de-prova foram polidos com lixas d&lsquo;água em abrasividades decrescentes (compósitos = 600, 1200 e 2000 e cerâmica = 100, 320, 1200 e 2000). Em seguida, foram realizadas leituras iniciais de cor (Espectrofotômetro PCB 6807) e rugosidade de superfície (Rugosímetro Surfcorder SE 1700 - Kosakalab). As amostras foram separadas em 3 grupos (n=8), segundo o tratamento a que foram submetidas: Grupo 1: EAA; Grupo 2: escovação mecânica com dentifrício RDA* 68 (Colgate); e Grupo 3: escovação mecânica com dentifrício RDA* 180 (Colgate Total Plus Whitening). Após 480 horas de EAA e em intervalos de 41 minutos de escovação (=14.600 ciclos) até 205 minutos novas leituras de cor e rugosidade de superfície foram realizadas. Amostras inicialmente submetidas a EAA (n=4) receberam escovação mecânica com dentifrício RDA* 68 e 180, conforme metodologia descrita anteriormente e novas leituras de cor e rugosidade foram obtidas. Os dados (antes e após os testes) foram analisados estatisticamente (2-way ANOVA análises repetidas, Bonferroni, p<0,05) e verificou-se que houve maior alteração de cor dos compósitos quando submetidos a EAA com diferença estatisticamente significante (p<0,05) em relação à escovação mecânica. Não houve diferença estatisticamente significante (p>0,05) na estabilidade de cor dos materiais quando comparadas as abrasividades dos dentifrícios, porém esse fator foi significante para a alteração de rugosidade de superfície (p<0,05), sendo maior quando os materiais foram escovados com RDA* 180. Quanto ao tempo de escovação, não houve diferença estatisticamente significante (p>0,05) para a alteração de cor e de rugosidade de superfície dos materiais, o mesmo ocorrendo para amostras escovadas após EAA. Conclui-se que o EAA interfere na estabilidade de cor e a escovação simulada nas alterações de rugosidade de superfície dos compósitos, independente do tempo de utilização do dentifrício, sendo maior para dentifrícios mais abrasivos. Além disso, a abrasividade e o tempo de utilização do dentifrício não alteram a capacidade de remoção do manchamento e a rugosidade de superfície de compósitos. / The purpose of this study was to evaluate the effect of simulated toothbrushing and accelerated artificial aging (AAA) on color stability and surface roughness of nanofill (Z350 - 3M ESPE) and hybrid (Tetric N-Ceram - Ivoclar Vivadent) composites. Twenty-four diskshaped specimens (12mm in diameter X 2 mm thick) were made for each composite and one feldspatic ceramic (IPS e.max Ceram - Ivoclar Vivadent) as a control. The specimens were polished with decreasing abrasiveness sandpapers (composites = 600, 1200, 2000 and ceramic = 100, 320, 1200, 2000). Then, initial readings were taken on color (Spectrophotometer PCB 6807) and surface roughness (Rugosimeter Surfcorder SE 1700 - Kosakalab). The samples were separated in 3 groups (n=8) according to the submitted treatments: Group 1: AAA; Group 2: mechanical brushing with dentifrice RDA* 68 (Colgate); and Group 3: mechanical brushing with dentifrice RDA* 180 (Colgate Total Plus Whitening). New readings on color and surface roughness were taken after 480 hours of AAA and in intervals of 41 minutes of brushing (=14.600 cycles) until 205 minutes. The samples initially submitted to AAA (n=4) received mechanical brushing with dentifrice RDA* 68 and 180, according to previously described methodology and new readings on color and roughness were taken. Data (before and after tests) were statistically analyzed (2- way ANOVA repeated measures, Bonferroni, p<0,05) and it was observed a higher composite color alteration compared with mechanical brushing when submitted to AAA with a statistically significant difference (p<0,05) between them. There was no statistically significant difference (p>0,05) on color stability of materials when the dentifrices abrasiveness were compared, but it was significant for surface roughness degradation (p<0,05), higher when materials were brushed with RDA* 180. Regarding time brushing, there was no statistically significant difference (p>0,05) for color alteration and roughness surface of materials and the same occurred for samples brushed after AAA. It was concluded that AAA interferes on color stability and the simulated brushing on surface roughness degradation of composites regardless the time of used dentifrice, but it was higher for more abrasive dentifrices. Moreover, abrasiveness and time of used dentifrice do not alter the capacity of staining removal and the surface roughness of composites.

Objetivo: Evaluar in vitro el potencial de hidrógeno y el grado abrasivo de las pastas dentales post-blanqueamiento. Materiales y métodos: El diseño del estudio fue experimental in vitro. La unidad de análisis estuvo constituida por un fragmento de pasta dental indicada post-blanqueamiento. La muestra fue conformada por 28 fragmentos de pastas dentales dividida en 7 grupos (n=4), a los cuales se evaluó el potencial de hidrógeno a través de un pH metro electrónico (Hanna® HI2221-01, USA) durante 10 minutos. Para ello, se depositaron 20gr de pasta dental en su estado original en un vaso beacker. Asimismo, para determinar el grado abrasivo se empleó la clasificación de la relatividad abrasiva de la dentina (RDA) obtenido de la ficha técnica del producto de las pastas dentales indicadas post-blanqueamiento. Para comparar los valores de pH se utilizó la prueba de Kruskal Wallis (p<0,05). Resultados: Las medias registradas para la pasta dental con el pH más alcalino fue 8.315 ±0.05 (Sensodyne® blanqueadora) y 5.86 ±0.02 el más ácido (Vitis® Sensible). En relación al grado abrasivo, la pasta Oral B® Pro Salud obtuvo el valor más alto (140), y la pasta Vitis® sensible el más bajo (40). Conclusiones: En la evaluación, la pasta dental con pH más ácido resultó ser la Vitis sensible con 5.86; mientras que la pasta con valor de grado abrasivo alto fue la Oral B Pro salud con un RDA de 140. / Objective: To evaluate in vitro the potential of hydrogen and the abrasive degree of post-whitening toothpastes. Materials and methods: The study design was experimental in vitro. The analysis unit consisted of a fragment of toothpaste indicated post-whitening. The sample was made up of 28 toothpaste fragments divided into 7 groups (n = 4), to which the hydrogen potential was evaluated through an electronic pH meter (Hanna® HI2221-01, USA) for 10 minutes. To do this, 20gr of toothpaste in its original state was placed in a beacker glass. Likewise, to determine the abrasive degree, the classification of the abrasive relativity of dentin (RDA) obtained from the technical data sheet of the toothpaste product indicated after bleaching was used. To compare the pH values, check the Kruskal Wallis test (p <0.05). Results: The means registered for toothpaste with the most alkaline pH were 8,315 ± 0.05 (Sensodyne® whitening) and 5.86 ± 0.02 at the most acidic (Vitis® Sensitive). A statistically significant difference (p <0.05) was considered in the comparison of these. In the evaluation of abrasive degree, the Oral B® Pro Salud paste obtained the highest value (140), and the sensitive Vitis® paste the lowest (40). Conclusions: In the evaluation, the toothpaste with the most acidic pH proved to be sensitive Vitis with 5.86; while the paste with a high abrasive grade value was Oral B Pro health with 140 RDA. / Tesis

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Introduction: La stomatite prothétique est une condition inflammatoire chronique de la muqueuse buccale recouverte par une prothèse. Cette maladie est considérée comme la lésion buccale la plus fréquente chez les porteurs de prothèses amovibles. Des études récentes sur l'étiologie de la stomatite prothétique suggèrent que des traitements basés sur la réduction de l'inflammation seraient efficaces dans le traitement de cette maladie. Objectifs: Évaluer l'efficacité du brossage du palais dans le traitement de la stomatite prothétique. Méthodes: Quarante-huit participants (âge moyen : 66,0 ± 11,2 ans) avec un diagnostic de stomatite prothétique, ont été sélectionnés à partir d’un examen préalable de 143 individus, afin de participer à cet essai clinique de phase I à deux centres, réalisé selon un devis de type pré-test/post-test à un seul groupe. L'intervention a consisté en un brossage du palais avec une brosse manuelle après chaque repas et avant le coucher. Des examens cliniques et microbiologiques ont été effectués avant le traitement, et à 1 mois et 3 mois de suivi. Des données supplémentaires ont été obtenues par l'utilisation d'un questionnaire validé. Les résultats primaires et secondaires étaient, respectivement, la rémission de stomatite prothétique et la diminution du nombre de colonies de Candida. Des tests statistiques descriptifs et non paramétriques ont été menés pour analyser les données. Résultats: À 3 mois de suivi, 10,4 % des participants ont été guéris et 70,8 % ont eu une amélioration clinique de la stomatite prothétique grâce au brossage du palais. Une réduction statistiquement significative de la surface et de l’intensité de l’inflammation après 3 mois de brossage du palais a été démontrée (p < 0,0001). L’ampleur de l’effet a varié d’un effet modéré à important (0,34 à 0,54) selon la classification utilisée pour le diagnostique de la stomatite prothétique. De plus, le nombre de colonies de Candida, recueillies par sonication des prothèses et par échantillonnage du palais, a diminué de manière statistiquement significative après 3 mois de brossage (p ≤ 0,05). Conclusion: Les résultats de cette étude suggèrent que le brossage du palais est efficace comme traitement de la stomatite prothétique. / Introduction: Denture-related erythematous stomatitis (denture stomatitis) is a chronic inflammation of the oral mucosa covered by a removable prosthesis. This disease is considered the most prevalent mucosal lesion associated with prosthesis use. Recent research on the etiology of denture stomatitis suggests that treatments based on the reduction of the inflammation are effective in the management of this disease. Objectives: To assess the efficacy of palatal brushing in the treatment of denture stomatitis. Methods: After screening 143 individuals with a potential diagnosis of denture stomatitis, 48 (mean age: 66.0 ± 11.2 years) were enrolled in a phase-I two-center clinical trial with one-group pre-test/post-test design. The intervention of interest was manual palatal brushing after each meal and before bedtime. Clinical and microbiological examinations were performed at baseline, 1 month and 3 months post-intervention. Additional data were obtained by the use of a validated questionnaire. The primary and secondary outcomes were the remission of denture stomatitis and the diminution of Candida Colony-Forming Units (CFUs), respectively. Descriptive and non-parametric statistical tests were conducted to analyze the data. Results: At 3-month follow-up, denture stomatitis was completely cured in 10.4 % of the study participants, and 70.8 % of denture wearers showed improvement in the clinical signs of denture stomatitis. There was a significant reduction in the area and severity of the palatal inflammation at 3-month follow-up (p < 0.0001). The effect size ranged from medium to large (0.34 to 0.54), depending on the classification used for the diagnosis of denture stomatitis. Furthermore, a significant reduction in the number of Candida CFUs isolated from the palatal mucosa and dentures was observed (p ≤ 0.05). Conclusion: The results of this study suggest that palatal brushing is effective in the treatment of denture stomatitis.

Introduction: La stomatite prothétique est une condition inflammatoire chronique de la muqueuse buccale recouverte par une prothèse. Cette maladie est considérée comme la lésion buccale la plus fréquente chez les porteurs de prothèses amovibles. Des études récentes sur l'étiologie de la stomatite prothétique suggèrent que des traitements basés sur la réduction de l'inflammation seraient efficaces dans le traitement de cette maladie. Objectifs: Évaluer l'efficacité du brossage du palais dans le traitement de la stomatite prothétique. Méthodes: Quarante-huit participants (âge moyen : 66,0 ± 11,2 ans) avec un diagnostic de stomatite prothétique, ont été sélectionnés à partir d’un examen préalable de 143 individus, afin de participer à cet essai clinique de phase I à deux centres, réalisé selon un devis de type pré-test/post-test à un seul groupe. L'intervention a consisté en un brossage du palais avec une brosse manuelle après chaque repas et avant le coucher. Des examens cliniques et microbiologiques ont été effectués avant le traitement, et à 1 mois et 3 mois de suivi. Des données supplémentaires ont été obtenues par l'utilisation d'un questionnaire validé. Les résultats primaires et secondaires étaient, respectivement, la rémission de stomatite prothétique et la diminution du nombre de colonies de Candida. Des tests statistiques descriptifs et non paramétriques ont été menés pour analyser les données. Résultats: À 3 mois de suivi, 10,4 % des participants ont été guéris et 70,8 % ont eu une amélioration clinique de la stomatite prothétique grâce au brossage du palais. Une réduction statistiquement significative de la surface et de l’intensité de l’inflammation après 3 mois de brossage du palais a été démontrée (p < 0,0001). L’ampleur de l’effet a varié d’un effet modéré à important (0,34 à 0,54) selon la classification utilisée pour le diagnostique de la stomatite prothétique. De plus, le nombre de colonies de Candida, recueillies par sonication des prothèses et par échantillonnage du palais, a diminué de manière statistiquement significative après 3 mois de brossage (p ≤ 0,05). Conclusion: Les résultats de cette étude suggèrent que le brossage du palais est efficace comme traitement de la stomatite prothétique. / Introduction: Denture-related erythematous stomatitis (denture stomatitis) is a chronic inflammation of the oral mucosa covered by a removable prosthesis. This disease is considered the most prevalent mucosal lesion associated with prosthesis use. Recent research on the etiology of denture stomatitis suggests that treatments based on the reduction of the inflammation are effective in the management of this disease. Objectives: To assess the efficacy of palatal brushing in the treatment of denture stomatitis. Methods: After screening 143 individuals with a potential diagnosis of denture stomatitis, 48 (mean age: 66.0 ± 11.2 years) were enrolled in a phase-I two-center clinical trial with one-group pre-test/post-test design. The intervention of interest was manual palatal brushing after each meal and before bedtime. Clinical and microbiological examinations were performed at baseline, 1 month and 3 months post-intervention. Additional data were obtained by the use of a validated questionnaire. The primary and secondary outcomes were the remission of denture stomatitis and the diminution of Candida Colony-Forming Units (CFUs), respectively. Descriptive and non-parametric statistical tests were conducted to analyze the data. Results: At 3-month follow-up, denture stomatitis was completely cured in 10.4 % of the study participants, and 70.8 % of denture wearers showed improvement in the clinical signs of denture stomatitis. There was a significant reduction in the area and severity of the palatal inflammation at 3-month follow-up (p < 0.0001). The effect size ranged from medium to large (0.34 to 0.54), depending on the classification used for the diagnosis of denture stomatitis. Furthermore, a significant reduction in the number of Candida CFUs isolated from the palatal mucosa and dentures was observed (p ≤ 0.05). Conclusion: The results of this study suggest that palatal brushing is effective in the treatment of denture stomatitis.

OBJECTIVES: This study investigates the relationships between maternal psycho-social factors and brushing practices in low-income children aged 1-5 years old. METHODS: Data from The Oral Health Advocates in Public Housing (OHAPH) study was used. Analyses were limited to 1–5 year old children and their mothers (n =941). Mothers were surveyed regarding their knowledge about child’s oral health, self-efficacy and self-motivation related to brushing their children’s teeth twice a day. The main outcome measure was children’s brushing frequency reported by their mothers. Analyses were conducted in SAS 9.4 to account for the complex sampling design. RESULTS: Maternal knowledge about child’s oral health was significantly associated with maternal self-efficacy (OR=1.95; 95% CI=1.44-2.64), significant association was also found with maternal self-motivation (OR=3.24; 95% CI=1.42-7.36). Self-efficacy and self-motivation were highly associated (p-value <0.0001), mothers who reported having high level of self-efficacy were highly motivated as well (77.8%). Most of the children in this sample had their teeth brushed twice or more a day (65.3%). Maternal self-efficacy was a strong and significant predictor of child’s brushing frequency (OR=10.51; 95% CI= 6.98-15.81). Maternal self-motivation has also showed a statistically significant association with child’s brushing frequency (OR=7.41; 95% CI=2.63-20.85). However, higher level of maternal knowledge about child’s oral health was not significantly associated with having the child’s teeth brushed twice or more a day (OR= 1.33, 95% CI= 0.96-1.84). Older children and those who had visited the dentist within the past year showed higher odds of having their teeth brushed twice a day in comparison with younger children and those who didn’t visit the dentist. Being a Hispanic child lowers the odds of brushing frequency. Mediation analysis showed that maternal self-efficacy and self-motivation are both mediators in the pathway between maternal knowledge about child’s oral health and child’s brushing frequency, full mediation was observed. CONCLUSION: Maternal self-efficacy and self-motivation are associated with children’s brushing practices. Since these factors are modifiable, designing tailored interventions targeting mothers with the aim of improving child’s brushing frequency could be the key to increase the oral health potential for young children from low-income families early in life. / 2018-09-28T00:00:00Z