Comparison of staining potential of silver diamine fluoride versus silver diamine fluoride and potassium iodide under tooth-colored restorations

Background: Silver diamine fluoride (SDF) is one of the effectual cariostatic agents widely used in minimal intervention dentistry. However, the major drawback of SDF is dark staining after its application. Aim: In the present study, the staining of 38% SDF alone and 38% SDF and potassium iodide (KI) was compared after restoration with glass-ionomer cement (GIC) and resin composite using ImageJ software. Methods and Material: Forty extracted carious primary teeth were sorted into four groups. In Group I and II, SDF was applied and restored with GIC and composite restorations, respectively. In Group III and IV, SDF application was followed by KI and restored with GIC and composite restorations, respectively. Images were captured after initial applications on day 1 and day 14 after restoration. The captured images were imported to ImageJ software and mean gray values were calculated. Statistical Analysis: The mean gray values obtained were subjected to statistical analysis using paired t-test and independent sample t-test. There was statistically significant if P < 0.05. Results: Following the application of SDF and RIVA STAR, the baseline mean gray values showed no statistical significance. On day 1, the mean gray values were highest in Group IV (208.30) and lowest in Group I (178.51). Similarly, on day 14, the highest mean gray values were observed in Group IV (208.45) and lowest in Group I (147.6) which were statistically significant. Conclusions: The restorations after SDF application attained dark stain eventually, whereas with the application of SDF followed by KI (RIVA STAR), the restorations showed the least staining.

A influência da ingestão de corantes durante e após o clareamento dental: uma revisão de literatura / The influence of color ingestion during and after dental whitening: a literature review

Introdução: O clareamento dental é um dos procedimentos estéticos mais realizados em todo mundo. Para garantir sua estabilidade e longevidade, muitos autores preconizam o estabelecimento de uma dieta branca durante e logo após o tratamento. Objetivo: Realizar uma revisão bibliográfica sobre a influência da ingestão de corantes relacionada à estabilidade de cor dos dentes durante e após o clareamento dental. Materiais e Métodos:Realizou-se uma revisão bibliográfica de estudos publicados nos últimos 16 anos (2003-2019), por meio de busca nas bases de dados: PubMED/Medline, Scielo (Scientific Eletronic Library) e Google Acadêmico. Para a pesquisa, foram utilizados os seguintes descritores: clareamento dental (dental whitening), manchamento dentário (dental staining) e dieta corante (dyediet). Após uma filtragem criteriosa, 27 trabalhos e 1 livro foram selecionados para inclusão no estudo. Resultados: A dieta branca muitas vezes é indicada, durante e logo após o tratamento clareador, devido à susceptibilidade de manchamento da estrutura dentária, causada pela desmineralização superficial e transitória dos géis clareadores, a qual faz com que os pigmentos advindos da dieta sejam incorporados facilmente à estrutura dentária. Conclusão:Não há evidências suficientes na literatura que apontam que a ingestão de corantes, durante e após o tratamento clareador, comprometa a estabilidade de cor da estrutura dentária.

Introduction:Tooth whitening is one of the most widely performed aesthetic procedures in the world.To ensure its stability and longevity, many authors advocate establishing a white diet during and right after treatment. Objective: To carry out a bibliographic review about the influence of dye ingestion related to the teeth color stability during and after tooth whitening. Material and Methods:A literature review of the studies published in the last 16 years (2003-2019) was carried out by a search on the databases: PubMed / Medline, Scielo (Scientific Electronic Library), and Google Scholar. For the search, the following descriptors were used: tooth whitening, tooth staining, and dye diet. After careful filtering, 27 articles and 1 book were selected to be included in the study. Results: The white diet is often indicated during and shortly after whitening treatment due to the susceptibility of staining the tooth structure caused by the superficial and transient demineralization of the whitening gels, which makes the pigments from the diet easily incorporated into the tooth structure. Conclusion:There is no sufficient evidence in the literature to indicate that dye ingestion during and after whitening treatment compromise the color stability of the tooth structure.

Avaliação, após clareamento, da alteração decor de dentes bovinos imersos em soluçõescom elevado potencial de pigmentação / Postbleaching color change evaluation ofbovine teeth immersed in high-pigmentationpotential solutions

Introdução: O clareamento dentário é um dos tratamentos estéticosmais procurados na Odontologia atualmente. Entretanto alteraçõessubclínicas da micromorfologia superficial dos tecidos dentáriospodem ocorrer após o clareamento, levando a uma maior facilidadede manchamento nos períodos imediatamente posteriores à suarealização. Objetivo: Avaliar, após clareamento dentário, a alteraçãode cor de dentes bovinos imersos em quatro soluções com elevadopotencial de pigmentação. Material e métodos: Clarearam-se 50 dentesbovinos com gel à base de peróxido de hidrogênio a 35%. A análise dadeterminação da cor (parâmetros do sistema CIELab) foi realizada comauxílio de um espectrofotômetro digital. Os dentes foram distribuídosem cinco grupos e imersos nas soluções (n = 10): água destilada (controle), café, chá-preto, vinho tinto e refrigerante à base de cola, por1 hora por dia durante 15 dias. Em seguida, submeteram-se novamenteos dentes a análise de cor, e as diferenças de cores (?E) entre a primeirae a segunda leitura foram calculadas. Os dados foram sujeitados aanálise de variância (Anova) e ao teste de Tukey (? = 5%). Resultados:Entre todas as substâncias, a que promoveu maior manchamento foio chá-preto (18,49), seguido pelo vinho tinto (16,41), pelo refrigeranteà base de cola (15,73) e por último pelo café (9,37). Conclusão: Todasas soluções com elevado potencial de pigmentação foram capazes demanchar os dentes bovinos, entretanto o chá-preto, juntamente com ovinho tinto e o refrigerante, causou maior escurecimento.

Introduction: Dental bleaching is one of the most commonly usedaesthetic treatments in dentistry nowadays. However, subclinical changesin the surface micromorphology of dental tissues may occur afterbleaching, leading to a greater easiness of tooth staining in the periodimmediately after its completion. Objective: To evaluate the color changeof bovine teeth immersed in four solutions with high-pigmentationpotential, after tooth whitening. Material and methods: Fifty bovineteeth were bleached using a 35% hydrogen peroxide gel. Color analysiswas performed by a digital spectrophotometer for the acquisition ofCIELab parameters. Teeth were divided into 5 groups and immersedin the following solutions (n = 10): distilled water (control), coffee,black tea, red wine and cola soft drink, for 1 h/day, during 15 days.Teeth were again submitted to color analysis and the color differences(?E) between the first and second reading were calculated. Data weresubjected to ANOVA and Tukey?s test (? = 5%). Results: Among allthe substances tested, black tea provoked the highest color difference(18.49), followed by red wine (16.41), cola soft drink (15.73), and coffee(9.37). Conclusion: All high-pigmentation potential solutions were ableto promote the staining of bovine teeth. However, black tea, red wine,and cola soft drink produced the highest color differences.