Comparative Evaluation of GIC Based Sealant with Nano-Filled Resin Coating versus Filled Resin Sealant: A Randomized Clinical Trial

2020 ◽  
Vol 44 (6) ◽  
pp. 412-417
Author(s):  
Zakiya Perveen ◽  
Harsimran Kaur ◽  
Nishita Garg ◽  
Sandeep Singh Mayall ◽  
Lumbini Pathivada ◽  
...  
Keyword(s):  
Retention Rate ◽  
Glass Ionomer ◽  
Chi Square ◽  
Coating Application ◽  
Resin Coating ◽  
Significant Difference ◽  
Chi Square Test ◽  
Group 2 ◽  
Treatment Procedures ◽  
Resin Sealant

Objective: To evaluate and compare the retention of GIC based sealant with nano-filled resin coating and filled resin sealant at specified time intervals. Study Design: It was a split mouth design in which 248 mandibular first permanent molars were divided into two groups i.e. Group 1 (124): treated with glass ionomer sealant followed by light cured nano-filled resin coating and Group 2 (124): treated with acid etching followed by resin filled sealant. Clinical evaluation was done at 1,3,6,9 and 12 months as per modified categorization by Weiwei Z et al. Data was analyzed using Pearson’s chi-square test to evaluate the success of both treatment procedures (p<0.05). Results: At 12 months, overall retention rate of glass ionomer sealant with nano-filled resin coating was found to be superior (84.7%) as compared to filled resin sealant (74.3%); but no significant difference was noted (p>0.05). Conclusions: Nano-filled resin coating application over glass ionomer sealant provides enhanced longevity and cariostatic benefits; hence, can be used as a viable alternative in place of resin sealants.

scholarly journals Orthodontics-Awareness Amongst Medical Students

2020 ◽  
Vol 10 (3) ◽  
pp. 49-56
Author(s):  
Türkan SEZEN ERHAMZA ◽  
Kübra A ARSLAN ÇARPAR
Keyword(s):  
Medical Students ◽  
Statistical Evaluation ◽  
P Value ◽  
Chi Square ◽  
Level Of Education ◽  
Significant Difference ◽  
Chi Square Test ◽  
Treatment Procedures

Introduction: The study aimed to evaluate the knowledge and awareness of orthodontics, a specialty of dentistry,amongst Medical Students. Materials and Method: A sample of 550 students (279 female, 226 male aged between 18 and 36 years) were attented.Of the subjects, 58.6% (n = 296) were preclinical students, while 41.4% (n = 209) were clinical students. The students were informed about the questionnaire and asked to fill in the questionnaire forms. For the comparison of data between groups (gender, level of education), the chi-square test was used. A chi-square test was used for statistical evaluation and the p-value < 0.05 was considered statistically significant. Result: 385 students (76.2%) had heard the term orthodontics although 41.2% of the subjects knew that orthodonticswas concerned with malocclusions and their treatment. The question about treatment procedures was answeredas scaling by 35.8%, tooth polishing by 40%, tooth aligning by 89.9% of the students. The percentage of knowingorthodontics to be related to tooth aligning showed a significant difference between female and male (p = 0.006), andpreclinical and clinical students (p = 0.033). Of the participants, 42.8% thought that dentures, 83% brackets, 78.8% ofremovable appliances were used by orthodontists. Conclusion: Our results have shown that medical students should have more information about orthodontics, aspecialty of dentistry.

scholarly journals Expression of Sigma-Class Glutathione-S-Transferase in Fetal and Pediatric Filum Terminale Samples: A Comparative Study

Medicina ◽  
2019 ◽  
Vol 55 (5) ◽  
pp. 133
Author(s):  
Cahit Kural ◽  
Serpil Oguztuzun ◽  
Gülçin Güler Şimşek ◽  
Servet Guresci ◽  
Pınar Kaygın ◽  
...  
Keyword(s):  
Tethered Cord ◽  
Filum Terminale ◽  
Glutathione S Transferase ◽  
Chi Square ◽  
Significant Difference ◽  
Chi Square Test ◽  
Normal Human ◽  
Group 2 ◽  
The Relationship ◽  
Group 1

Background and objectives: The pathophysiology of tethered cord syndrome (TCS) in children is not well elucidated. An inelastic filum terminale (FT) is the main factor underlying the stretching of the spinal cord in TCS. Our study aimed to investigate the expression of glutathione-S-transferase (GST) in children and fetal FT samples in order to understand the relationship between this enzyme expression and the development of TCS. Materials and Methods: FT samples were obtained from ten children with TCS (Group 1) and histological and immunohistochemical examinations were performed. For comparison, FT samples from fifteen normal human fetuses (Group 2) were also analyzed using the same techniques. Statistical comparison was made using a Chi-square test. Results: Positive GST-sigma expression was detected in eight (80%) of 10 samples in Group 1. The positive GST-sigma expression was less frequent in nine (60%) of 15 samples from Group 2. No statistically significant difference was detected between the two groups (p = 0.197). Conclusions: Decreased FT elasticity in TCS may be associated with increased GST expression in FT. More prospective studies are needed to clarify the mechanism of the GST–TCS relationship in children.

scholarly journals Motivation of elderly with Parkinson's disease submitted to functional training, aerobic exercise and exergame

2018 ◽  
Vol 25 (3) ◽  
Author(s):  
Sara Roza Gomes ◽  
Karen Valadares Trippo ◽  
Daniela Oliveira Guimarães ◽  
Jamary Oliveira Filho ◽  
Daniel Dominguez-Ferraz
Keyword(s):  
Physical Exercise ◽  
Training Group ◽  
Older Individuals ◽  
Bicycle Exercise ◽  
Chi Square ◽  
Functional Training ◽  
Significant Difference ◽  
Chi Square Test ◽  
Group 2 ◽  
Level Of Significance

It is recommended that patients with Parkinsons disease (PD) perform physical exercise throughout their lives. Exercise should slow disease progression and motivate the patient. Objective: Verify and compare the motivation of elderly with PD submitted to functional training, stationary bicycle exercise and exergame. Method: A randomized clinical trial was developed at a referral center. Group 1 (G1) performed functional training, group 2 (G2) trained with stationary bicycle and group 3 (G3) played on Xbox 360 with Kinect sensor. At the end of training, an interview was conducted by a single non-blind investigator to evaluate patient motivation about therapeutic exercise programs they were submitted to. For each question there were four answers options: I was not motivated, I was not very motivated, I was motivated and I was very motivated. The variables were summarized in median and interquartile range and in absolute and relative frequencies. The Pearson Chi-square test was used for statistical inference. The level of significance was 5% (p <0.05). Fifty-three older people with PD have participated. Results: Many participants have reported that exercise (G1: 72%, G2: 53%, G3: 44%) and the physiotherapist (G1: 83%, G2: 76%, G3: 94%) were very motivating. Only two participants of G2 rated exercise as not very motivating. However, no significant difference was found between the three groups. Conclusion: Older individuals with PD considered functional training, bicycle exercise and exergame as motivating modalities of physical exercise.

scholarly journals Anesthesia Teaching for Undergraduates; Bringing the Operating Theatre to the Simulation Lab: A Pilot Study

2020 ◽  
Vol 19 (1) ◽  
Author(s):  
Thiruselvi Subramaniam ◽  
Tan Ann Jee
Keyword(s):  
Medical Students ◽  
Teaching And Learning ◽  
T Test ◽  
Operating Theatre ◽  
Chi Square ◽  
Group I ◽  
Significant Difference ◽  
Chi Square Test ◽  
Group 2 ◽  
Practice Methods

Background: Simulation-based education has become more prominent in recent years. In our university, we have begun to use simulation at various levels in the curriculum. Objectives: We decided to utilize simulation to meet the challenges of teaching medical students in the operating theatre, which have slowly risen over the years at our place of practice. Methods: A total of 120 final year medical students posted to anesthesia were divided into two groups and exposed to two different operating theatre (OT) teaching environments: Group I: Actual OT and group 2: Simulated OT. The performance of the two groups on 25 MCQs was compared using the chi-square test and independent t-test. Results: The chi-square test showed no significant difference between the groups in the number of students who passed the test at the end of the posting [χ2 (2, N = 119) = 2.375, P > 0.05]. An independent t-test carried out on the test scores showed that the actual OT group (M = 10.15, SD = 2.284) performed better than the simulated OT group (M = 9.04, SD = 2.528), and it was statistically significant [t (112) = 3.265, P = 0.001]. Conclusions: There was no difference in terms of pass or fail between the two groups suggesting that OT learning could be simulated. However, the actual OT group had overall better scores statistically. Thus the depth of learning may be better with actual OT teaching, especially because the teaching and learning occur in the real environment. Until further research suggests that simulated OT can replace actual OT learning for undergraduates, we plan to use the simulated OT as a bridge towards actual OT learning.

Influence of Location of the Gingival Margin on the Microleakage and Internal Voids of Nanocomposites

2008 ◽  
Vol 9 (7) ◽  
pp. 65-72 ◽  
Author(s):  
Emre Ozel ◽  
Yonca Korkmaz ◽  
Nuray Attar
Keyword(s):  
Bonferroni Correction ◽  
Chi Square ◽  
Gingival Margin ◽  
Group 4 ◽  
Significant Difference ◽  
Chi Square Test ◽  
Group 3 ◽  
Group 2 ◽  
Group 1

Abstract Aim The aim of this in vitro study was to investigate the cervical microleakage and internal voids of nanocomposites comparing them with a hybrid composite in Class II restorations with the margins located coronal and apical to the cementoenamel junction (CEJ). Methods and Materials Standardized MOD cavities (one cervical margin located in dentin, one in enamel) were prepared in 40 extracted human molars and divided into four groups according to the composite used to restore them (n=10/group). Group 1: Adper Single Bond2/Filtek Supreme XT; Group 2: Excite/Tetric EvoCeram; Group 3: Prime & BondNT/Ceram X; and Group 4 (control) Adper Single Bond2/Filtek Z250. Groups were further divided into subgroups A and B. The “A” subgroups represent the level of the location of the cervial margin at 1 mm coronal to the CEJ, and the “B” subgroups represent the level of the cervical margin located 1 mm apical to the CEJ. After restoration of the cavities with nanocomposites, thermocycling, and immersion in 0.5% basic fuchsin, the dye penetration and internal voids were evaluated under a stereomicroscope. Data were analyzed with the Mann-Whitney U and Kruskal-Wallis tests with the Bonferroni correction for microleakage and with the Chi-square test for internal voids (p<0.05). Results The microleakage in the A subgroups was statistically significantly lower then B subgroups (p<0.05). No statistically significant difference was observed in terms of interface, cervical, and occlusal voids for all groups (p>0.05). No significant difference was observed between each group for three voids in all groups (p>0.05). Conclusion The location of the gingival margin affects the microleakage of nanocomposites but has no significant affect on the internal voids. Clinical Significance Gingival margin located 1 mm coronal to the CEJ provided a reduction in cervical microleakage in nanocomposite restorations. Citation Ozel E, Korkmaz Y, Attar N. Influence of Location of the Gingival Margin on the Microleakage and Internal Voids of Nanocomposites. J Contemp Dent Pract 2008 November; (9)7:065-072.

scholarly journals Probiotic Supplements do not Increase the Effectiveness of Antibiotics in the Treatment of Bacterial Vaginosis

2016 ◽  
Author(s):  
Ratnah Hamid
Keyword(s):  
Bacterial Vaginosis ◽  
Standard Therapy ◽  
Obstet Gynecol ◽  
Teaching Hospitals ◽  
Probiotic Supplementation ◽  
Chi Square ◽  
Significant Difference ◽  
Chi Square Test ◽  
Group 2 ◽  
Group 1

Objective : This study aims to assess the effect of the addition of probiotic supplement to the standard therapy on the recovery of Bacterial vaginosis infection. Methods: The research was conducted by taking samples from Obstetrics and Gynecology Department in several teaching hospitals of Faculty of Medicine, Hasanuddin University. This study was an experimental study. Consecutive sampling was conducted on 50 samples, which were then divided into two groups. Group 1 received Metronidazol therapy 2 times a day for 7 days, while group 2 received Metronidazol therapy 2 times a day supplemented with oral Probiotic of once a day for 7 days. The data were analysed by using the chi-square test. Results: There is no significant difference in the recovery of bacterial vaginosis infection between the group that received the probiotic supplementation and the group that did not. Conclusion: The addition of probiotic supplement to the standard therapy of BV infection does not show any signifcant effect. [Indones J Obstet Gynecol 2013; 1-4: 194-8] Keyword: bacterial vaginosis, probiotic supplement, recovery, standard therapy

The Influence of Age and Gender on Mandibular Indices among the Libyan Population

2019 ◽  
Vol 3 (2) ◽  
Keyword(s):  
Negative Correlation ◽  
Bone Mineralization ◽  
Age Groups ◽  
T Test ◽  
Chi Square ◽  
Age And Gender ◽  
Significant Difference ◽  
Chi Square Test ◽  
And Gender ◽  
Libyan Population

Radiographic Mandibular Indices serve as easy and relatively cheap tools for evaluating bone mineralization. Objectives: To examine the effect of age and gender on three mandibular indices: the panoramic mandibular index (PMI), the mandibular ratio (MR) and the mandibular cortical index (MCI), among Libyan population. Methods: The three indices were measured on 317 digital (OPGs) of adult humans (155 males, 162 females). The sample was divided into six age groups (from 18-25 years through 56-65 years). The measurements were analyzed for interactions with age and sex, using SPSS (Statistical Package for Social Studies) software version no. 22. The tests employed were two way ANOVA, the unpaired T-test and chi-square test. Results: The mean PMI fluctuated between 0.37 s.d. 0.012 and 0.38 s.d. 0.012. among the sixth age groups. One-way ANOVA statistical test revealed no significant of age on PMI. On the other hand gender variation has effect on PMI, since independent sample t-test disclosed that the difference between the male and female PMI means statistically significant. ANOVA test showed that the means of MR among age groups showed a negative correlation i.e. MR mean declined from 3.01 in 18-25 age groups to 2.7 in 55-65 age groups. In contrary, the gender showed no effect on MR according two sample t-test at p> 0.05. In regards with MCI, statistical analysis showed that it affected by age that is C1 was decreasing by age while C2 and C3 were increased by age. Using chi square test the result indicated that there is a significant difference among the different age group and the two genders in MCI readings. Conclusion: PMI was influenced significantly by age but minimally by the gender. MR is not affected by gender but has a negative correlation with age. MCI is affected by both age and gender

scholarly journals Prognostic significance of peritoneal cytology in low-risk endometrial cancer: comparison of laparoscopic surgery and laparotomy

2021 ◽  
Author(s):  
Satoe Fujiwara ◽  
Ruri Nishie ◽  
Shoko Ueda ◽  
Syunsuke Miyamoto ◽  
Shinichi Terada ◽  
...  
Keyword(s):  
Endometrial Cancer ◽  
Laparoscopic Surgery ◽  
Retrospective Study ◽  
Prognostic Significance ◽  
Low Risk ◽  
Peritoneal Cytology ◽  
Chi Square ◽  
Significant Difference ◽  
Chi Square Test ◽  
Positive Peritoneal Cytology

Abstract Background There is uncertainty surrounding the prognostic value of peritoneal cytology in low-risk endometrial cancer, especially in laparoscopic surgery. The objective of this retrospective study is to determine the prognostic significance of positive peritoneal cytology among patients with low-risk endometrial cancer and to compare it between laparoscopic surgery and conventional laparotomy. Methods From August 2008 to December 2019, all cases of pathologically confirmed stage IA grade 1 or 2 endometrial cancer were reviewed at Osaka Medical College. Statistical analyses used the Chi-square test and the Kaplan–Meier log rank. Results A total of 478 patients were identified: 438 with negative peritoneal cytology (232 who underwent laparotomy and 206 who undertook laparoscopic surgery) and 40 with positive peritoneal cytology (20 who underwent laparotomy and 20 who received laparoscopic surgery). Survival was significantly worse among patients with positive peritoneal cytology compared to patients with negative peritoneal cytology. However, there was no significant difference among patients with negative or positive peritoneal cytology between laparoscopic surgery and laparotomy. Conclusion This retrospective study suggests that, while peritoneal cytology is an independent risk factor in patients with low-risk endometrial cancer, laparoscopic surgery does not influence the survival outcome when compared to laparotomy.

scholarly journals Effect of corneal refractive surgery on accommodative and binocular dysfunctions among civilian pilots in Southwest China

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Ye Wu ◽  
Zhen Zhang ◽  
Meng Liao ◽  
Qi Li ◽  
Xue Lin Tang ◽  
...  
Keyword(s):  
Binocular Vision ◽  
Refractive Surgery ◽  
Visual Symptom ◽  
Chi Square ◽  
Visual Symptoms ◽  
Significant Difference ◽  
Symptom Scores ◽  
Chi Square Test ◽  
Corneal Refractive Surgery ◽  
Normal Binocular Vision

Abstract Background To analyze whether corneal refractive surgery (CRS) is associated with the distribution of different accommodative dysfunctions (ADs) and binocular dysfunctions (BDs) in civilian pilots. A further aim was to analyze the percentages and visual symptoms associated with ADs and/or BDs in this population. Methods One hundred and eight civilian pilots who underwent CRS from January 2001 to July 2012 (age: 30.33 ± 4.60 years) were enrolled, the mean preoperative SE was − 1.51 ± 1.15 D (range: − 1.00- − 5.00 D). Ninety-nine emmetropic civilian pilots (age: 29.64 ± 3.77 years) who were age- and sex-matched to the CRS group were also enrolled. Refractive status, accommodative and binocular tests of each subject were performed. Visually related symptoms were quantified using the 19-item College of Optometrists in Vision Development Quality of Life (COVD-QOL) questionnaire. The 19 items were summed to obtain visual symptom scores that might indicate visual dysfunctions. The chi-square test was used to analyze differences in percentages of ADs and/or BDs between the CRS and emmetropic groups. The Mann-Whitney U test was used to compare visual symptom scores between pilots with ADs and/or BDs and pilots with normal binocular vision. Results No significant difference was observed between the CRS and emmetropic groups in the overall prevalence of ADs and BDs (15.7% and 15.2% in the CRS and emmetropic groups, respectively; P = 0.185). ADs were present in 4.63% and 3.03% of the CRS and emmetropic group, respectively. BDs were observed in 11.1% and 12.1% of the CRS and emmetropic group, respectively, yielding no significant differences between the groups in the prevalence of ADs or BDs (AD: P = 0.094; BD: P = 0.105). Pilots with ADs and/or BDs had significantly more visual symptoms than pilots with normal binocular vision (p < 0.001). Conclusions CRS for civilian pilots with low-moderate myopia might not impact binocular functions. ADs and/or BDs commonly occur in both emmetropia pilots and pilots who undergo CRS, and pilots with ADs and/or BDs are associated with increased symptoms. This study confirms the importance of a full assessment of binocular visual functions in detecting and remedying these dysfunctions in this specific population.

scholarly journals Antimicrobial Efficacy of Propolis in Comparison to Chlorhexidine against Enterococcus faecalis: A Systematic Review and Meta-Analysis

2021 ◽  
Vol 11 (8) ◽  
pp. 3469
Author(s):  
Khalid H. Almadi ◽  
Muhammad Adeel Ahmed ◽  
Tuba Ghazal ◽  
Rizwan Jouhar ◽  
Mazen F. Alkahtany ◽  
...  
Keyword(s):  
Enterococcus Faecalis ◽  
Meta Analysis ◽  
Mean Difference ◽  
Permanent Teeth ◽  
Antibacterial Efficacy ◽  
Chi Square ◽  
Reporting Standard ◽  
Standard Mean Difference ◽  
Significant Difference ◽  
Chi Square Test

Propolis is proposed to possess antibacterial and anti-inflammatory properties, which can be used in endodontic applications. However, evidence on its efficacy in comparison to chlorhexidine against Enterococcus faecalis (E. faecalis) is controversial. The aim of the current study was to compare the antibacterial efficacy of Propolis and chlorhexidine as an intracanal medicament against E. faecalis in extracted human permanent teeth. The focused question was, “Does Propolis show better antibacterial efficacy than Chlorhexidine (CHX) as an intracanal medicament against E. faecalis in extracted human permanent teeth?”. Databases including PubMed/Medline, Scopus, EMBASE, ISI-Web of Science were searched from 1990 to August 2020 using different combinations of the following keywords: “Propolis”, “Intracanal medicament”, “E. faecalis”, “Antibacterial activity” and “Chlorhexidine”. Ten studies fulfilling inclusion criteria were considered for qualitative analysis, followed by quantitative analysis of eight studies. Heterogeneity was calculated for colony forming units (CFU) of E. Faecalis using the Chi-square test and I2 statistics. Forest plots were computed reporting standard mean difference (SMD) of outcomes and 95% confidence intervals. The overall mean difference for CFU of E. faecalis showed a statistically significant difference between the antibacterial efficacy of Propolis and CHX (SMD = 3.20 [1.70, 4.69] Z = 4.20; p < 0.001). CHX showed superior antibacterial efficacy against E. faecalis compared to Propolis.

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