- Bio-inspired Cocatalysts Decorated WO3 Nanotube Toward Unparalleled Hydrogen Sulfide Chemiresistor. [Journal Article]
- ASACS Sens 2018 May 15
- Herein, we incorporated dual bio-templates, i.e., cellulose nanocrystals (CNC) and apoferritin into electrospinning solution to achieve three distinct benefits, i.e., (i) facile synthesis of WO3 nano...
Herein, we incorporated dual bio-templates, i.e., cellulose nanocrystals (CNC) and apoferritin into electrospinning solution to achieve three distinct benefits, i.e., (i) facile synthesis of WO3 nanotube by utilizing self-agglomerating nature of CNC in the core of as-spun nanofibers, (ii) effective sensitization by partial phase transition from WO3 to Na2W4O13 induced by interaction between sodium doped CNC and WO3 during calcination, and (iii) uniform functionalization with monodispersive apoferritin-derived Pt catalytic nanoparticles (2.22 ± 0.42 nm). Interestingly, sensitization effect of Na2W4O13 on WO3 resulted in highly selective H2S sensing characteristics against 7 different interfering molecules. Furthermore, synergistic effects with bio-inspired Pt catalyst induced remarkably enhanced H2S response (Rair/Rgas = 203.5), unparalleled selectivity (Rair/Rgas < 1.3 for the interfering molecules), and rapid response (< 10 s)/recovery (< 30 s) time at 1 ppm of H2S under 95% relative humidity level. This work paves the way for a new class of co-sensitization route to overcome critical shortcomings of SMOs-based chemical sensors, thus providing a potential platform for diagnosis of halitosis.
- A Current Approach to Halitosis and Oral Malodor- A Mini Review. [Review]
- ODOpen Dent J 2018; 12:322-330
- CONCLUSIONS: As being first line professionals, dentists must analyze and treat oral problems which may be responsible for the patient's malodor, and should inform the patient about halitosis causes and oral hygiene procedures (tooth flossing, tongue cleaning, appropriate mouthwash and toothpaste selection and use) and if the problem persists, they should consult to a medical specialist.
- Assessment of Volatile Sulfur Compounds in Adult and Pediatric Chronic Tonsillitis Patients Receiving Tonsillectomy. [Journal Article]
- CEClin Exp Otorhinolaryngol 2018 May 04
- CONCLUSIONS: The concentrations of hydrogen sulfide, methyl mercaptan, and dimethyl sulfide decreased significantly after tonsillectomy in chronic tonsillitis patients. The concentrations of the three VSCs were not significantly different between pediatric and adult patients before and after tonsillectomy.
- Probiotics: Evidence of Oral Health Implications. [Review]
- FMFolia Med (Plovdiv) 2018 Mar 01; 60(1):21-29
- The prevalence of common oral diseases, such as dental caries, periodontal diseases and oral candidiasis remains high in the general population. Various preventive strategies have been proposed and i...
The prevalence of common oral diseases, such as dental caries, periodontal diseases and oral candidiasis remains high in the general population. Various preventive strategies have been proposed and included in national health programs promoting oral health. Interest in probiotics in light of oral health has gradually evolved as attractive means in prevention of oral infectious diseases. The aim of the present review is to outline the current evidence on the role of probiotic species on oral health parameters and their beneficial role in contributing to healthier oral environment.
- Effects of fixed orthodontic brackets on oral malodor: A systematic review and meta-analysis according to the preferred reporting items for systematic reviews and meta-analyses guidelines. [Review]
- MMedicine (Baltimore) 2018; 97(14):e0233
- CONCLUSIONS: Although the evidence base was relatively weak, fixed orthodontic treatment appeared to be a risk factor for malodor, independent of periodontal changes, and SLB systems controlled malodor better than CB systems.
- A giant tonsillolith. [Journal Article]
- SMSaudi Med J 2018; 39(4):412-414
- Tonsillar stones are the products of calcified accumulates of cellular debris and microorganisms, in the crypts of palatine tonsils. Tonsillar stones are common findings and the known cause of bad br...
Tonsillar stones are the products of calcified accumulates of cellular debris and microorganisms, in the crypts of palatine tonsils. Tonsillar stones are common findings and the known cause of bad breath (halitosis). Development of large tonsillar stones, however, is rare with only a few cases reported in the literature. We present the case of a 45-year-old man with a history of recurrent sore throat and tonsillitis for a long period, and snoring with other unremarkable ears, nose and throat findings. A large-sized tonsillar stone detected in the left tonsil measured 3.1 × 2.3 cm. The patient underwent elective stone removal and tonsillectomy.
- Prevalence and risk factors of halitosis in Japanese school children. [Journal Article]
- PIPediatr Int 2018 Mar 23
- CONCLUSIONS: Halitosis in the school children is not a rare condition; instead, its occurrence is relatively high. Therefore, inclusion of a halitosis prevention and management component in school oral health programs would lead to the promotion of overall oral health.
- Probiotics: A Promising Role in Dental Health. [Review]
- DJDent J (Basel) 2017 Sep 27; 5(4)
- Probiotics have a role in maintaining oral health through interaction with oral microbiome, thus contributing to healthy microbial equilibrium. The nature and composition of any individual microbiome...
Probiotics have a role in maintaining oral health through interaction with oral microbiome, thus contributing to healthy microbial equilibrium. The nature and composition of any individual microbiome impacts the general health, being a major contributor to oral health. The emergence of drug resistance and the side effects of available antimicrobials have restricted their use in an array of prophylactic options. Indeed, some new strategies to prevent oral diseases are based on manipulating oral microbiota, which is provided by probiotics. Currently, no sufficient substantial evidence exists to support the use of probiotics to prevent, treat or manage oral cavity diseases. At present, probiotic use did not cause adverse effects or increased risks of caries or periodontal diseases. This implicates no strong evidence against treatment using probiotics. In this review, we try to explore the use of probiotics in prevention, treatment and management of some oral cavity diseases and the possibilities of developing designer probiotics for the next generation of oral and throat complimentary healthcare.
- Association of Tongue Bacterial Flora and Subtypes of Liver-Fire Hyperactivity Syndrome in Hypertensive Patients. [Journal Article]
- EBEvid Based Complement Alternat Med 2018; 2018:9536924
- Structural changes in symbiotic human microorganisms can affect host phenotype. Liver-fire hyperactivity syndrome (LFHS) presents as bitter taste, halitosis, xerostomia, odontalgia, and other oral sy...
Structural changes in symbiotic human microorganisms can affect host phenotype. Liver-fire hyperactivity syndrome (LFHS) presents as bitter taste, halitosis, xerostomia, odontalgia, and other oral symptoms. LFHS is associated with hypertension (EH). In this study, tongue flora was analyzed to further understand the intrinsic relationship between tongue flora and LFHS. Samples of tongue coating, from 16 patients with EH-LFHS, 16 with EH-non-LFHS, and 16 controls, were obtained; then, 16S rRNA variable (V3-V4) regions were amplified and sequenced by MiSeq PE300 Sequencing. Tag clustering and Operational Taxonomic Units (OTUs) abundance analysis were used to compare the OTU sequence with the 16S database. The species were classified, and diversity and structure of the bacterial flora were compared between the three groups. Alpha diversity analysis, including Observed Species index and Chao index, indicated significantly higher richness of species in patients with EH-LFHS (p< 0.05). Higher phylogenetic diversity, in patients with EH-non-LFHS, indicates greater differences in evolutionary history than in patients with EH-LFHS.Streptococcus,Rothia,Neisseria, andSphingomonaswere the most prevalent in patients with EH-LFHS, differed from the other two groups. This indicates that richer bacterial diversity, and structure associated with EH-LFHS, may affect the occurrence, development, and outcome of hypertension and syndrome subtypes recognized by TCM.
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- Can Red Blood Cell Distribution Width be a Potential Marker in the Decision to Perform Tonsillectomy? [Journal Article]
- EJEurasian J Med 2018; 50(1):11-13
- CONCLUSIONS: As a biomarker showing chronic infection in patients with tonsillitis, RDW can provide support to the clinician in deciding on surgery. However, this has to be confirmed in further studies with greater participation.