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1.
Braz. j. oral sci ; 23: e241390, 2024. ilus
Article in English | LILACS, BBO | ID: biblio-1550150

ABSTRACT

Aim: To evaluate the surface roughness and color stability of bulk-fill resin composites after simulated toothbrushing with whitening dentifrices. The radioactive/relative dentin abrasion (RDA) and radioactive/relative enamel abrasion (REA) of dentifrices were also assessed. Methods: Specimens (n=10) of Tetric N Ceram Bulk Fill (TNCB), Filtek One Bulk Fill (FOB) resin composites, and Z100(Control) were prepared using a cylindrical Teflon matrix. Surface roughness (Ra, µm) was assessed by a roughness meter and the color evaluations (ΔEab , ΔE00 , WID ) were performed using a digital spectrophotometer based on the CIELAB system. Three measurements were performed per sample, before and after simulated toothbrushing with 3D Oral-B White Perfection (3DW) and Black is White (BW) dentifrices. The abrasivity (REA and RDA values) of the used dentifrices was also determined by the Hefferren abrasivity test. Results: The Ra values increased significantly in all resin composites after 3DW and BW toothbrushing. The acceptable threshold color varied among resin composites, and TNCB and Z100 presented the highest ΔEab and ΔE00 for BW dentifrice. The 3DW dentifrice was significantly more abrasive than BW dentifrice on enamel and dentin. Conclusions: simulated toothbrushing with tested whitening dentifrices increased the surface roughness at acceptable levels. The Tetric N Ceram Bulk-fill and Z100 composite showed the highest color alteration in BW. 3D White Perfection dentifrice was more abrasive on dentin and enamel than Black is White.


Subject(s)
Color , Composite Resins , Dental Enamel , Dentifrices , Dentin , Bleaching Agents
2.
Bol. latinoam. Caribe plantas med. aromát ; 22(5): 581-593, sep. 2023. ilus, tab
Article in English | LILACS | ID: biblio-1561231

ABSTRACT

Limonene is the main component of citrus essential oils, and can reach a concentration of up to 96%. Popularly known for its potential therapeutic effects on the body, among these we point out its broad antimicrobial activity against various types of pathogens. Therefore, the purpose of this study was to address the antimicrobial and antifungal properties of limonene compared to microorganisms of interest in dentistry, based on a bibliometric study and literature review. The following databases were analyzed: PubMed, Google Scholar, SciELO and Science Direct, from which ten articles published between 2011-2021 were selected. Most of results indicate a satisfactory antimicrobial potential, besides providing important data and perspectives regarding the indication and clinical use, in addition to innovative therapeutic modalities for diseases that affect the oral cavity, such as tooth decay, periodontal disease and candidosis.


El limoneno es el componente principal de los aceites esenciales cítricos, y puede alcanzar una concentración de hasta el 96%. Popularmente conocido por sus potenciales efectos terapéuticos en el organismo, entre ellos se destacan su amplia actividad antimicrobiana frente a diversos tipos de patógenos. Por lo tanto, el objetivo de este estudio fue abordar las propiedades antimicrobianas y antifúngicas del limoneno en comparación con microorganismos de interés en la odontología, a partir de un estudio bibliométrico y una revisión bibliográfica. Se analizaron las siguientes bases de datos: PubMed, Google Scholar, SciELO y Science Direct, de las cuales se seleccionaron diez artículos publicados entre 2011-2021. La mayoría de los resultados indican un potencial antimicrobiano satisfactorio, además de proporcionar datos y perspectivas importantes con respecto a la indicación y el uso clínico, así como modalidades terapéuticas innovadoras para enfermedades que afectan la cavidad oral, como caries, enfermedad periodontal y candidosis.


Subject(s)
Oils, Volatile/chemistry , Limonene/pharmacology , Anti-Infective Agents/pharmacology , Antifungal Agents/pharmacology , Plants, Medicinal , Oils, Volatile/pharmacology , Databases, Bibliographic , Limonene/chemistry
3.
Rev. bras. ciênc. saúde ; 23(1): 73-80, 2019. ilus., tab.
Article in Portuguese | LILACS | ID: biblio-1009162

ABSTRACT

Avaliou-se a qualidade de vida e as condições de higiene de próteses dentárias em idosos residentes em instituição de longa permanência, na Cidade de João Pessoa-PB. Metodologia: Foi aplicado o Geriatric Oral Health Assessment Index (GOHAI) para avaliar a qualidade de vida, em alta e moderada-baixa, incluindo perguntas sobre higienização de prótese dentária (n=38). Adicionalmente, as próteses de cada indivíduo foram recobertas por solução evidenciadora e fotografadas, para mensuração do biofilme. Os dados foram analisados inferencialmente a partir dos testes Qui-quadrado e Exato de Fisher (α=5%). A retenção do biofilme foi classificada, a partir das áreas coradas, em alta, média e baixa. Resultados: A média de idade da amostra foi de 81,8±7,7 anos, sendo 86,8% (n=33) do sexo feminino. Apenas 34,2% afirmaram ter recebido instrução sobre higienização e 86,8% referiram não remover a prótese em nenhum período do dia. A qualidade de vida não esteve associada ao tempo de uso da prótese, ou com o conhecimento em relação aos métodos químicos e mecânicos de higienização (p>0,05), mas se mostrou alta quando associada ao fato de não retirarem a prótese para dormir (p<0,05). Dentre as 26 próteses superiores analisadas, em 53,8% (n=14) observou-se baixa retenção; quanto às 13 próteses inferiores avaliadas, 53,8% (n=7) apresentaram retenção moderada. Conclusão: A alta qualidade de vida esteve associada ao fato do idoso não retirar a prótese para dormir. As próteses inferiores apresentaram maior retenção de biofilme em relação às próteses superiores. (AU)


Objetive: Quality of life and hygiene conditions of dental prostheses were evaluated in elderly residents of a long-term institution in the city of João Pessoa-PB. Methods: The Geriatric Oral Health Assessment Index (GOHAI) was used to evaluate high and moderate-low quality of life, including dental hygiene questions (n=38). In addition, the prostheses of each individual were covered by an evidentiary solution and photographed for biofilm measurement. Data were analyzed inferentially from Chi-square and Fisher's exact tests (α=5%). The retention of the biofilm was classified, from the stained areas, in high, medium and low. Results: The mean age of the sample was 81.8 years (±7.7), of which 86.8% (n=33) were female. Only 34.2% reported having received instruction on hygiene and 86.8% reported not removing the prosthesis at any time of the day. The quality of life was not associated with the time of use of the prosthesis, or with the knowledge regarding the chemical and mechanical methods of hygiene (p>0.05), but it was high when associated with the fact that they did not remove the prosthesis to sleep (p<0.05). Among the 26 upper prostheses analyzed in 53.8% (n=14), low retention was observed; regarding the 13 inferior prostheses evaluated, 53.8% (n=7) presented moderate retention. Conclusion: The high quality of life was associated with the fact that the elderly did not remove the prosthesis to sleep. The lower prostheses presented higher retention of biofilm in relation to the upper prostheses. (AU)


Subject(s)
Male , Female , Aged , Health of the Elderly , Quality of Life
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