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home:symptoms:dental [01.07.2011] – added research on dentin/enamel in VDR knockout mice joyful | home:symptoms:dental [02.07.2019] – [Halitosis (bad breath)] sallieq | ||
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Patients suffering from halitosis can use one of the [[home: | Patients suffering from halitosis can use one of the [[home: | ||
- | < | + | < |
- | Relationship between oral malodor | + | Oral malodor |
- | Takeshita T, Suzuki N, Nakano Y, Shimazaki Y, Yoneda M, Hirofuji T, Yamashita Y. | + | Two parameters for measuring oral malodor intensity (the concentration of volatile sulfur compounds in mouth air and the organoleptic score) were noticeably lower in cluster I than in the other clusters. |
- | Section of Preventive Dentistry, Division of Oral Health, Growth and Development, | + | |
- | Abstract | + | |
- | Oral malodor develops mostly from the metabolic activities of indigenous bacterial populations within the oral cavity, but whether healthy or oral malodor-related patterns of the global bacterial composition exist remains unclear. In this study, the bacterial compositions in the saliva of 240 subjects complaining of oral malodor were divided into groups based on terminal-restriction fragment length polymorphism (T-RFLP) profiles using hierarchical cluster analysis, and the patterns of the microbial community composition of those exhibiting higher and lower malodor were explored. Four types of bacterial community compositions were detected (clusters I, II, III, and IV). Two parameters for measuring oral malodor intensity (the concentration of volatile sulfur compounds in mouth air and the organoleptic score) were noticeably lower in cluster I than in the other clusters. Using multivariate analysis, the differences in the levels of oral malodor were significant after adjustment for potential confounding factors such as total bacterial count, mean periodontal pocket depth, and tongue coating score (P < 0.001). Among the four clusters with different proportions of indigenous members, the T-RFLP profiles of cluster I were implicated as the bacterial populations with higher proportions of Streptococcus, | + | |
- | PMID: 20228112</ | + | Using multivariate analysis, the differences in the levels of oral malodor were significant after adjustment for potential confounding factors such as total bacterial count, mean periodontal pocket depth, and tongue coating score (P < 0.001). Among the four clusters with different proportions of indigenous members, the T-RFLP profiles of cluster I were implicated as the bacterial populations with higher proportions of Streptococcus, |
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===== Pulp stones ===== | ===== Pulp stones ===== | ||
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===== Teeth stains – minocycline' | ===== Teeth stains – minocycline' | ||
- | The use of tetracyclines, | + | The use of tetracyclines, |
This adverse reaction is more common during long-term use of the drug, but it has been observed following repeated short-term courses. Use of minocycline is generally avoided in children under age eight for that reason. In some situations, the benefits of using minocycline may outweight the risk of cosmetic changes in the teeth. The risk is probably less when the doses are low, and it does not appear that all children develop tooth staining. Enamel hypoplasia (poor development) has also been reported.(({{pubmed> | This adverse reaction is more common during long-term use of the drug, but it has been observed following repeated short-term courses. Use of minocycline is generally avoided in children under age eight for that reason. In some situations, the benefits of using minocycline may outweight the risk of cosmetic changes in the teeth. The risk is probably less when the doses are low, and it does not appear that all children develop tooth staining. Enamel hypoplasia (poor development) has also been reported.(({{pubmed> | ||
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In some situations, the benefits of using minocycline may outweigh the risk of cosmetic changes in the teeth. The risk is probably less when the doses are low, and it does not appear that all children develop tooth staining.(({{pubmed> | In some situations, the benefits of using minocycline may outweigh the risk of cosmetic changes in the teeth. The risk is probably less when the doses are low, and it does not appear that all children develop tooth staining.(({{pubmed> | ||
- | In older children and adults, temporary discoloration of teeth occurs infrequently(({{pubmed> | + | In older children and adults, temporary discoloration of teeth occurs infrequently(({{pubmed> |
The staining is actually of the plaque and tartar (hardened plaque) and so may be removed with efficient cleaning or by a dental hygienist. MP patients may notice greater plaque and tartar build-up while on the MP. | The staining is actually of the plaque and tartar (hardened plaque) and so may be removed with efficient cleaning or by a dental hygienist. MP patients may notice greater plaque and tartar build-up while on the MP. | ||
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===== Notes and comments ===== | ===== Notes and comments ===== | ||
- | EDIT | + | |
* Legacy content | * Legacy content |