This case-controlled study aimed to evaluate the existing oral health status in children and adolescents with haemophilia. A total of 50 haemophilia patients and 50 matched controls aged seven to 16 years were recruited into the study. Clinical examination was carried out to determine dental caries experience, oral hygiene status and gingival condition in these two groups. Information regarding previous dental history, oral hygiene practices and dietary habits were also obtained. No significant difference was found in mean caries experience in primary and secondary dentitions (P = 0.86 and 0.32) and in Simplified Oral Hygiene Index (OHI-S, P = 0.20) between both groups. However, a significantly higher proportion of haemophilia patients (24%) had better oral hygiene status as compared to the controls (2%, P = 0.004). Furthermore, there was a significant difference in Modified Gingival Index (MGI, P = 0.02) between the two groups with the study group having less gingival inflammation. A total of 88% (n = 44) of the haemophilia patients were registered and received dental treatment in specialist dental clinics. More than half (56%, n = 28) had frequent dental visits and only one-third of the haemophilia patients had history of hospitalization due to oral problems. There was no significant difference in oral hygiene practices and dietary habits between both groups. In general, haemophilia children and adolescents in this study had similar caries experience, a significantly better oral hygiene status and gingival health as compared to healthy controls. The main reason for this is the multidisciplinary approach implemented by medical health-care professionals as primary care provider and the dental team.
Sodium hypochlorite (NaOCl), an effective endodontic irrigant against Enterococcus faecalis (EF), is harmful to periapical tissues. Natural pineapple-orange eco-enzymes (M-EE) and papaya eco-enzyme (P-EE) could be potential alternatives. This study aimed to assess the antimicrobial efficacy of M-EE and P-EE at different concentrations and fermentation periods against EF, compared to 2.5% NaOCl. Fermented M-EE and P-EE (3 and 6 months) at various concentrations were mixed with EF in a 96-well plate incubated for 24 h anaerobically. Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of M-EE and P-EE were determined via EF growth observation. EF inhibition was quantitatively measured and compared between different irrigants using the one-way analysis of variance (ANOVA), and different fermentation periods using the independent-samples T-test. M-EE and P-EE showed MIC at 50% and MBC at 100% concentrations. There was no significant difference in antimicrobial effect when comparing M-EE and P-EE at 50% and 100% to 2.5% NaOCl. P-EE at 6 months fermentation exhibited higher EF inhibition compared to 3 months at concentrations of 25% (p = 0.017) and 0.78% (p = 0.009). The antimicrobial properties of M-EE and P-EE, at both 100% and 50% concentrations, are comparable to 2.5% NaOCl. They could therefore be potential alternative endodontic irrigants, but further studies are required.
Background The downfall of formocresol as a pulpotomy medicament highlights the importance of cytotoxic evaluation and the establishment of a safe concentration of dental material prior to its usage in the oral cavity. Uncaria gambir is a herbal plant that possesses antimicrobial, anti-inflammatory and antioxidant properties, suggesting its potential as an alternative medicament for pulpotomy. However, a study on its cytotoxicity is lacking. Here, we investigated the concentration and time-dependent toxicity of Uncaria gambir extract towards the M3CT3-E1 cell line and compared it with the gold standard pulpotomy medicament: mineral trioxide aggregate (MTA). Methods Uncaria gambir extracts at concentrations ranging from 1000 to 7.8 µg/ml and MTA eluates at 4- and 48 hours setting times were prepared. 10% dimethyl sulfoxide (DMSO) and culture media were used as positive and negative control respectively. Cell viability on days 1, 2, 3 and 7 were analysed using Alamar Blue and Live and Dead Cell assay. Any morphological cellular changes were evaluated using transmission electron microscopes (TEM). Data were analysed using a two-way mixed Analysis of Variance (ANOVA). Results The interaction between the concentration and exposure time on the fluorescence intensity of Uncaria gambir extract and MTA 48 hours was found to be statistically significant (p < 0.001). No cytotoxic effects on the cells were exerted by both MTA 48 hours and Uncaria gambir extract at a concentration below 500 µg/mL. TEM analysis and Live and Dead Cell assay for both materials were comparable to the negative control. No significant differences in fluorescent intensity were observed between Uncaria gambir extract at 500 µg/mL and MTA 48 hours (p > 0.05). Conclusion Uncaria gambir extracts at a maximum concentration of 500 µg/mL are non-cytotoxic over time and are comparable to the MTA.
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