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Bone mineral density as assessed by MCI was found to be negatively and significantly correlated with oral disease status and osteocalcin levels. Significant difference was obtained while comparing the MCI inbetween the two study groups.
There is significantly higher prevalence of oral lesions along with oral dryness in postmenopausal women. Also, thinning of mandibular cortex is significantly higher in postmenopausal women. Higher plasma osteocalcin levels help in predicting osteopenia/osteoporosis at an early stage in such patients.
In PMW, special considerations should be made while planning for dental implant therapy.
In PMW, special considerations should be made while planning for dental implant therapy.
To identify the prevalence of middle mesial canals (MMC) in mandibular molars in a Lebanese population to determine the relationship between MMC and different factors (age, sex, and tooth type) and to examine the canal's morphological aspects (category, length, orifice position, and dentin width toward furcation).
The presence of MMC in the mesial roots of 505 mandibular molars of 200 patients was analyzed using cone-beam computed tomography (CBCT). Then, the position of the MMC orifices with respect to the pulpal floor and the main canals orifices, and the width of dentin along the canal toward the furcation were determined using 3D Slicer 4.10.1.
In all, 14.65% of the first and second mandibular molars presented an MMC. A higher frequency of confluent canals was noted mostly joining the mesiobuccal canal (MBC). Gender appears to be a factor influencing the prevalence of MMCs, contrary to age-groups and tooth type. Ruxotemitide mw In mandibular first molars, the orifice is located at a mean distance of 1.22 ± 0.44 mm from the pulpal floor, 1.42 ± 0.53 mm from the MBC orifice, and 1.57 ± 0.60 mm from the mesiolingual canal (MLC) orifice. The width of dentin toward the furcation varies between 0.95 and 2.29 mm. In mandibular second molars, the orifice is located at a mean distance of 1.00 ± 0.51 mm from the pulpal floor, 1.39 ± 0.60 mm from the MBC orifice, and 1.37 ± 0.50 mm from MLC orifice. The width of dentin toward the furcation varies between 0.71 mm and 2.22 mm.
Middle mesial canal is present in 14.65% of mandibular molars in the Lebanese population, with its orifice located under the pulpal floor. The majority of MMCs join the MBC.
Middle mesial canal is not a rare finding in the Lebanese population (14.65%). Clinicians should take time to search for this canal in the isthmus between the main mesial canals.
Middle mesial canal is not a rare finding in the Lebanese population (14.65%). Clinicians should take time to search for this canal in the isthmus between the main mesial canals.
The aim of this study was to evaluate the antifungal efficacy of a novel endodontic irrigant octenidine against conventional irrigants sodium hypochlorite and EDTA on
growth in the young and old population by calculating the number of colonies formed and by qualitative identification of dead/viable fungi by Confocal laser scanning microscopy (CLSM) method.
The total number of samples used in the study was eighty samples after decoronation of the crown portion the middle third of root canal. Each group was subdivided into four subgroups with various irrigation protocols (A) 17% EDTA + 5.25% NaOCl, (B) 100% Octenisept, (C) 17% EDTA + 5.25% NaOCl + 1% clotrimazole, and (D) phosphate buffer saline. After completion of irrigation ATCC samples (90028) of
were inoculated with 5 mL of peptone water each and incubated at 37°C for 72 hours to attain the turbidity corresponding to 0.5 McFarland standards CFU. Eight samples were analyzed for the formation of candidal colonies, and two samples for the assessmenttic therapy. Octenidine, a novel antifungal agent, can be substituted over the conventionally used EDTA and NaOCl with less adverse effects.
Candida albicans plays a major role in the establishment and pathogenesis of failed root canal treatment. Age-related changes alter the adhesion potential of dentin, in turn influence the outcome of endodontic therapy. Octenidine, a novel antifungal agent, can be substituted over the conventionally used EDTA and NaOCl with less adverse effects.
The aim of this study was to quantify the levels of gingival, salivary, and plasma melatonin and tumor necrosis factor-α (TNF-α) in healthy individuals and chronic generalized periodontitis patients with and without cigarette smoking habit and to investigate whether a relationship exists between melatonin and TNF-α levels in the samples.
Blood of 5 mL, 5 mL of saliva, and gingival tissue samples were obtained from 30 periodontally healthy individuals without smoking habit (HP), 30 nonsmoking patients with chronic generalized periodontitis (CP), 30 periodontally healthy individuals with current smoking habit (SHP), and 30 current smoker patients with chronic generalized periodontitis (SCP). The levels of melatonin and TNF-α in the samples were measured using commercially available enzyme-linked immunosorbent assay (ELISA) kit. The results obtained were statistically analyzed using SPSS statistical software (23.0 version).
This study demonstrated the presence of melatonin and TNF-α in all the saliva, plasnisms in periodontal therapy especially in cigarette smokers.
Melatonin could be used as a supplement to boost anti-inflammatory mechanisms in periodontal therapy especially in cigarette smokers.
The purpose of this study was to compare the stress distribution around various thread design implants with or without platform switching in the maxillary posterior region.
Stress-based performances of four different thread design implants (single, double, triple, and asymmetric thread design each with or without platform switching) were analyzed by the three-dimensional finite element method under a static load of 100 N at 15° oblique direction buccolingually at the central portion of the abutment. A geometric model of the posterior maxillary segment (first molar region) with an implant and abutment was modeled using the CATIA V5R19 software. Type IV bone quality was approximated and complete osseous integration was assumed.
The von Mises stresses recorded around the neck of the fourthread design implants without platform switching were greater than the platform switching variety. The single-threaded implant with platform switching showed the lowest amount of von Mises stress. Additionally, total displacement or micromovement of single, triple, and asymmetric thread implants with platform switching was found to be greater than the without platform switching variety.