scholarly journals Strain Induced by Bio-High-Performance Polymers and Cobalt-Chromium Digitally Constructed Telescopic Partial Dentures after 1 Year Simulation of Function

2022 ◽  
Vol 10 (D) ◽  
pp. 1-5
Author(s):  
Mohammed Muwafi ◽  
Marwa Sabet ◽  
Yasmine Thabet
Keyword(s):  
High Performance ◽  
T Test ◽  
Computer Assisted ◽  
Cobalt Chromium ◽  
High Performance Polymers ◽  
Significant Difference ◽  
Group A ◽  
Distal Aspect ◽  
Group B ◽  
Supporting Structures

BACKGROUND: Numerous attempts were made to reduce the adverse effects of the distal extension removable partial dentures (RPDs) and enhance their prognosis. High-performance polymers (HPP) were utilized in the construction of RPDs to maintain the health of the supporting structures. AIM: Thus, this study was prompted to compare the strains induced by Bio HPP and Cobalt- Chromium (Co Cr) Computer Assisted Design and Computer Assisted Manufacturing telescopic RPDs after 1 year of function. MATERIALS AND METHODS: A maxillary Kennedy class I was used in this study. Twelve telescopic RPDs were fabricated from two different materials. In Group A, six telescopic RPDs were milled from Co-Cr and in Group B, six telescopic retained RPDs were milled from Bio-HPP. Each partial denture was seated on the cast and introduced into the chewing simulator. The strain values were recorded using four strain gauges connected to a four-channel strain indicator. Statistical analysis of the resultant data was done using one-way ANOVA, followed by Tukey’s HSD for comparison within the same group. Student t-test was used for comparison between the different groups. The significance level was set at p ≤ 0.05. RESULTS: During unilateral loading, the results showed higher strains in Group A at the abutments (473.33 μm/m ± 10.8, 193.39 μm/m ± 10.8) and at the distal aspect of the ridge (470.83 μm/m ± 13.93, 185 μm/m ± 20.83) than Group B. Independent t-test showed statistically significant difference between strains at the abutments of both groups (t = 70.4, p ≤ 0.0001), (t = 36.84, p ≤ 0.0001). Furthermore, there was a statistically significant difference between strains at the saddles of both groups (t = 51.62, p ≤ 0.0001), (t = 34.72, p ≤ 0.0001) respectively (DOF = 10). CONCLUSIONS: In telescopic RPDs, Co Cr induces higher strain values on the abutments and the distal aspect of the ridge than Bio-HPP during bilateral and unilateral loading. During unilateral loading, Bio-HPP telescopic RPDs direct high strain values on the distal aspect of the ridge of the loaded side. CLINICAL IMPLICATIONS: The materials that induce less stresses on the supporting structures of telescopic partial dentures on the long-term can be used to maintain the health of periodontally affected abutments.

A Study to find the effectiveness of Scapular Strengthening Exercise in patients with Cervical Dysfunction

2021 ◽  
pp. 3591-3594
Author(s):  
Kotteeswaran. K ◽  
Chiranjibi Kumar Nayak
Keyword(s):  
Cervical Spine ◽  
Neck Pain ◽  
Neck Disability Index ◽  
T Test ◽  
Strengthening Exercise ◽  
Significant Difference ◽  
Group A ◽  
Group B ◽  
Neck Disability ◽  
Cervical Spine Dysfunction

Background: Cervical spine dysfunction is a cause of neck pain. The cause for it is believed to be a disorder (most likely malalignment) of the pain-sensitive facet joints (which may also be due to disc disruption). Dysfunction can also cause secondary muscle spasm, which can may lead to more pain and stiffness. Objective: To find the effectiveness of SNAGs and scapular strengthening exercises in the patients with chronic cervical dysfunction. To find the Neck disability index (NDI) score difference between the functional activities of experimental group and conventional treatment group. Methodology: According to inclusion and exclusion criteria a prior to the study, the principal researcher explained the procedures to all the subjects and inform consent obtained, 30 subjects taken through Random block design and numbering was done for all the subjects. All the odd numbers in one group and all the even numbers in another group are allocated by random table where each group had 15 subjects. The collected data was tabulated and analyzed using descriptive and inferential statistics. To all parameters mean and standard deviation (SD) were used. Paired t-test was used to analyze significant changes between pre-test and post-test measurements. Unpaired t-test was used to analyze significant changes between two groups. Result: rom statistical analysis made with the quantitative data revealed statistically significant difference between the Group A and Group B, and also within the group. The Posttest mean value of Neck Disability Index (NDI) in group A is 12.00 and in group B is 13.80. This shows that Neck Disability Index (NDI) in Group B disability value were comparatively more than Group A disability value, P<0.0001. Conclusion: This study shows better improvement in reducing cervical spine dysfunction (neck pain) by scapular strengthening exercise than resisted neck isometrics. Both the techniques can be used in clinical practice.

Combination Therapy Of Tadalafil And Pentoxifylline In Severe Erectile Dysfunction; A Prospective Randomized Trial

2015 ◽  
Vol 87 (8) ◽  
Author(s):  
Santosh Kumar ◽  
Rajesh Roat ◽  
Swati Agrawal ◽  
Kumar Jayant ◽  
Ravimohan S. Mavuduru ◽  
...  
Keyword(s):  
Erectile Dysfunction ◽  
Combination Therapy ◽  
Erectile Function ◽  
T Test ◽  
P Value ◽  
Chi Square ◽  
Significant Difference ◽  
Chi Square Test ◽  
Group A ◽  
Group B

Abstractwas to assess efficacy of Tadalafil alone versus Tadalafil plus Pentoxifylline in the treatment of erectile dysfunction by using self administered IIEF-5 questionnaire.Two hundred and thirty seven patients presenting with ED at andrology OPD were evaluated for ED by a self administered IIEF (International Index of Erectile Function) questionnaire. Patients were systematically randomized by computer generated random table into two groups groups namely, group A: Tadalafil only group, group B: combination of Tadalafil + Pentoxifyl-line. All the patients were re-assessed by IIEF-5 questionnaire after 8 weeks of medical therapy. Statistical analysis was performed using student’s unpaired t-test, paired t-test, chi square test. p-value < 0.05 was considered statistically significant.Two hundred and thirty seven patients were included in the present study, in group A: 92 patients (78.6%) showed improvement in their IIEF score after 8 weeks of tadalafil treatment. While in group B, overall 104 patients(86.6%) showed improvement after combination of Tadalafil and Pentoxifylline. There was a statistically significant difference of percentage change in IIEF score was seen in group B (group A 90.7±15.2%, group B 95.6±13.4%; p value – 0.014). We found this difference even more statistically significant in patients with severe ED (group A 72.7±47.2%, group B 132.3±54.3%; p value – 0.000). There was no significant difference in between the two groups with regards to occur-rence of side effects.Both tadalafil and combination of Tadalafil + Pentoxifylline improve erectile function in patients of ED. Patients with severe ED showed much significant improvement in erectile function with combination therapy.

scholarly journals Evaluation of the Effect of Micro-osteoperforations versus Piezopuncture on the Rate of Orthodontic Tooth Movement Associated with Canine Retraction

2021 ◽  
Vol 9 (D) ◽  
pp. 113-119
Author(s):  
Tarek Farag ◽  
Wael Mohamed Mubarak Refai ◽  
Ahmed Nasef ◽  
Omnia A. Elhiny ◽  
Ahmed Sh. Hashem
Keyword(s):  
Tooth Movement ◽  
Orthodontic Tooth Movement ◽  
Contralateral Side ◽  
T Test ◽  
Canine Retraction ◽  
Control Side ◽  
Significant Difference ◽  
Group A ◽  
Group B ◽  
And Control

AIM: The aim of the study was to investigate the effectiveness of using micro-osteoperforations (MOPs) or piezocision in accelerating tooth movement, during canine retraction, compared to standard canine retraction. PATIENTS AND METHODS: A split-mouth study design was carried out with two Groups A and B. Each group contained 10 patients; in each patient, one side was used as a control side and the contralateral side received either MOPs (Group A) or piezocision (Group B). The assessment data were collected by direct intraoral measurements, every 2 weeks, over a 3 months retraction period. RESULTS: Independent t-test, paired t-test, and ANOVA were used to analyze the results. In Group A, there was a statistically significant difference between the study and control sides (p < 0.001) with a total of 4.2 ± 0.5 mm canine retraction in the MOPs assisted canine retraction side versus a 2.8 ± 0.2 mm total canine retraction in the control side. For Group B, there was a statistically significant difference between the study and control sides (p < 0.001) with a total of 3.6 ± 0.4 mm canine retraction in the piezocision-assisted canine retraction side versus a 2.8 ± 0.2 mm total canine retraction in the control. CONCLUSION: MOPs and piezocision techniques accelerated the rate of canine retraction during orthodontic treatment, with the MOPs being slightly more effective.

scholarly journals Comparative study showing relevance of prosthesis diameter and hearing outcome in stapes surgery

2020 ◽  
Vol 6 (8) ◽  
pp. 1464
Author(s):  
Udayanila Thangavel ◽  
Harish Narasing Katakdhond ◽  
Deepak Dalmia ◽  
Narsinha Davange ◽  
Parth Patni ◽  
...  
Keyword(s):  
Controlled Trial ◽  
T Test ◽  
P Value ◽  
Hearing Improvement ◽  
Hearing Outcome ◽  
Teflon Piston ◽  
Significant Difference ◽  
Group A ◽  
Group B ◽  
The Individual

<p class="abstract"><strong>Background:</strong> Otosclerosis presents as conductive hearing loss, stapedotomy is the treatment for otosclerosis, and different sizes of piston diameter are available for the procedure. Aims and objectives were to study and compare hearing improvement between the 0.4 and 0.6 mm sizes of teflon piston in stapedotomy.</p><p class="abstract"><strong>Methods:</strong> It was a prospective randomized controlled trial. Patients fulfilling inclusion criteria were subjected for small fenestra stapedotomy. Patients were divided into two groups after randomization into group A (with 0.4 mm piston diameter) and group B (with 0.6 mm piston diameter). The hearing outcome with standard audiological assessment was performed at one month and six months postoperatively.  </p><p class="abstract"><strong>Results:</strong> Comparison of 1 month AB gap among the patients with 0.4 mm piston and 0.6 mm piston showed that there was no statistically significant difference among both the groups of patients (independent t test p value=0.699). Comparison of 6 month AB gap among the patients with 0.4 mm piston and 0.6 mm piston showed that there was no statistically significant difference among both the groups of patients (independent t test p value=0.54).</p><p class="abstract"><strong>Conclusions:</strong> There was no significant difference in hearing improvement among the individual methods (piston size 0.4 and 0.6) with each other both in 1 month post-operative and 6 month post-operative follow up. Hence, we conclude that there is no relevance of different diameter of teflon piston prosthesis (0.4 mm versus 0.6 mm) as far as hearing outcome is concerned.</p>

scholarly journals Comparison between the mean postoperative pain score with two different file systems in patients with irreversible pulpitis-a clinical study in Altamash Institute of Dental Medicine.

2019 ◽  
Vol 26 (08) ◽  
pp. 1359-1364
Author(s):  
Sara Jamil ◽  
Rizwan Jouhar ◽  
Dinaz Gandhi ◽  
Tayyaba Tahira ◽  
Jamshed Shaikh
Keyword(s):  
Stainless Steel ◽  
Postoperative Pain ◽  
Pain Score ◽  
T Test ◽  
Postoperative Pain Score ◽  
Significant Difference ◽  
Group A ◽  
The Mean ◽  
Group B ◽  
Irreversible Pulpitis

Endodontic Pain if occurs after few hours or days after the treatment indicates a poor pathosis and a bad prognosis in long term, due to this a newer generation of instruments for canal treatment has been introduced from Ni-Ti alloy which has even better ability to shape narrow and curved root canals, without causing aberration. To compare the mean postoperative pain score after manual SS (stainless steel) K-files and mechanical Ni-Ti rotary path files in patients with irreversible pulpitis. Study Design: Randomized controlled trial. Setting: Department of Operative Dentistry, Altamash Institute of Dental Medicine, Karachi. Period: 6 months from 01-10-2017 to 30-03-2018. Materials and Methods: Total 60 patients of irreversible pulpitis with moderate pain score ≥5 were included and divided equally in manual stainless-steel k-files and mechanical Ni-Ti rotary path files groups. Treatment was started with local anesthesia. Patients were recalled after 24 hours and the level of postoperative pain was examined. T-test was applied to compare the outcome in both groups. Stratification was done using t-test and P value ≤0.05 was significantly considered. Results: The mean pre-treatment VAS in group-A and group-B was 7.16±1.44 and 7.86±1.38 respectively. Mean post-treatment VAS in group-A and group-B was 2.33±1.02 and 1.10±0.66 respectively. A significant difference between the pre and post op pain was noted between the two groups, when compared after 24hours by using VAS. Conclusion: Mean post-operative pain score was significantly less with NiTi rotary path files as compare to manual stainless steel K-files.

scholarly journals In vivo evaluation of the virucidal efficacy of Chlorhexidine and Povidone-iodine mouthwashes against salivary SARS-CoV-2.

2021 ◽  
Author(s):  
Rola ElZein ◽  
fadi Abdel Sater ◽  
Soha Fakhreddine ◽  
Pierre Abi Hanna ◽  
Rita Feghali ◽  
...  
Keyword(s):  
Povidone Iodine ◽  
T Test ◽  
Control Group ◽  
Distilled Water ◽  
Ct Value ◽  
Significant Difference ◽  
Group A ◽  
Group B ◽  
Virucidal Efficacy

Abstract Background. The oral cavity is potentially high-risk transmitter of COVID-19. Antimicrobial mouthrinses are used in many clinical pre procedural situations for prophylactic purposes. An evident-based investigation for an effective mouthwash solution against salivary SARS-CoV-2 is urgently required for the exposure reduction during dental procedures. Aims. This study aimed to evaluate in vivo virucidal efficacy of 2 mouthwashes: 1% Povidone-iodine and 0.2% Chlorhexidine as a dental preprocedural oral disinfection against salivary SARS-CoV-2. Materials and Methods. In this randomized-controlled clinical trial, studied group comprised laboratory-confirmed COVID-19 positive patients through nasopharyngeal swabs. Participants were divided into 3 groups. For 30 seconds, group A gargled with 1% Povidone-iodine, group B mouthrinsed with 0.2% Chlorhexidine and control group C mouthrinsed with distilled water. Saliva samples were collected before and 5 minutes after mouthwash. SARS-CoV-2 rRT-PCR was then performed for each sample. Evaluation of the efficacy was based on difference in Ct value. The analysis of data was carried out using GraphPad Prism version 5 for Windows. Paired t test and unpaired t test were used. A probability value of less than 0.05 was regarded as statistically significant. Results. Sixty-one compliant participants (36 female and 25 male) with a mean age 45.3 plusmn 16.7 years-old were enrolled. A significant mean Ct value difference (p < 0.0001) between the paired samples in group A (n = 25) and also in group B (n = 27) (p < 0.0001) was found. In contrast, no significant difference (p = 0.566) existed before and after the experiment in the control group C (n = 9). Moreover, a significant difference was noted between the delta Ct of distilled water wash and each of the 2 solutions 1 % Povidone-iodine (p = 0.012) and Chlorhexidine 0.2% (p = 0.0024). No significant difference was found between the delta Ct of patients using 1% Povidone-iodine and Chlorhexidine 0.2% solutions (p = 0.24). Conclusion. Chlorhexidine 0.2% and 1% Povidone-iodine oral solutions are effective preprocedural mouthwashes against salivary SARS-COV-2 in dental treatments. Their use as a preventive strategy to reduce the spread of COVID-19 during dental practice should be systematically implemented.

scholarly journals Comparative Evaluation of Triphala and Ela Decoction With 0.2% Chlorhexidine as Mouthwash in the Treatment of Plaque-Induced Gingivitis and Halitosis: A Randomized Controlled Clinical Trial

2016 ◽  
Vol 22 (3) ◽  
pp. 468-472 ◽  
Author(s):  
Pratibha Mamgain ◽  
Abhishek Kandwal ◽  
Ravindra K. Mamgain
Keyword(s):  
Group Analysis ◽  
T Test ◽  
Plaque Index ◽  
Controlled Clinical Trial ◽  
Base Line ◽  
Time Intervals ◽  
Intergroup Comparison ◽  
Significant Difference ◽  
Group A ◽  
Group B

Present study evaluates efficacy of Trifala and Ela as plaque controlling agent and compares it with chlorhexidine. Aim. To evaluate Antigingivitis, Antiplaque and Antihalitosis effect of Triphala and Ela decoction. A randomized sample of 60 patients with plaque induced gingivitis was enrolled and equally divided into two groups group A and group B. Group A was given Trifala and Ela decoction and Group B Chlorehexidine mouthwash for 21 days twice daily. Gingival inflammation index, plaque index and Organoleptic scoring scale was recorded at baseline, 14th day and 21st day. Comparing the plaque index for Group A with group B the reduction in from baseline to 14 day was 42.59 % and 38.62% respectively while from baseline to 21 day was 56.20% and 68.57% respectively. On comparing Gingival index for group A with group B the reduction from baseline to 14 day was 31.95% and 38.62 % respectively while from baseline to 21 day was 69.95 % and 68.57% respectively. Halitosis Percentage reduction at 14th day from base line was 33.33% and 38.18%; at 21 day from baseline 66.66% and 72.72% respectively for group A and group B. No statistical significant difference for intergroup comparison was found using paired t test. Intra group analysis using unpaired t test was significant for all the indices at different time intervals. Triphala and Ela decoction is organic, easy to prepare economical and equally effective as compared to chlorhexidine mouthwash.

scholarly journals Influence of intravenously administered ciprofloxacin on aerobic intestinal microflora and fecal drug levels when administered simultaneously with sucralfate.

1997 ◽  
Vol 41 (8) ◽  
pp. 1725-1730 ◽  
Author(s):  
W A Krueger ◽  
G Ruckdeschel ◽  
K Unertl
Keyword(s):  
High Performance ◽  
Combined Therapy ◽  
Intestinal Flora ◽  
Intestinal Lumen ◽  
Drug Levels ◽  
Microbiological Methods ◽  
Significant Difference ◽  
The Family ◽  
Group A ◽  
Group B

Ciprofloxacin, when given intravenously (i.v.), is secreted in significant amounts via the mucosa into the intestinal lumen. Sucralfate inhibits the antimicrobial activity of ciprofloxacin. The effect of combined therapy on the intestinal flora was investigated in 16 healthy volunteers. They were randomly assigned to two groups. Group A received 2 g of sucralfate orally three times a day for 7 days and 400 mg of ciprofloxacin i.v. twice a day (b.i.d.) starting 3 days after the sucralfate administration began. Group B was given only 400 mg of ciprofloxacin i.v. b.i.d. for 4 days. A total of 9 stool samples were collected from each subject beginning the week before ciprofloxacin was administered and on days -1, 1, 2, 3, 4, 7, 9, and 10 or 11 after commencement of the infusion period. The aerobic fecal flora was determined by standard microbiological methods. Measurements of fecal ciprofloxacin levels were based on high-performance liquid chromatography. Counts of bacteria of the family Enterobacteriaceae decreased in all subjects and were below 10(2) CFU/g in eight of eight subjects (group A) and six of eight subjects (group B) on day 4, but they returned to normal in all but one subject (group A) 10 days after the last infusion. The decreases in levels of bacteria of the family Enterobacteriaceae were not significantly different in groups A and B (Kaplan-Meier test). Staphylococci and nonfermenters responded variably, enterococci and lactobacilli remained unchanged, and candida levels increased transiently in four subjects (two in each group). Maximum fecal drug levels ranged from 251 to 811 microg/g. No significant difference could be found between the two groups. The i.v. application of ciprofloxacin eliminates intestinal bacteria of the family Enterobacteriaceae in a rapid and selective manner. This effect is not affected by simultaneous oral application of sucralfate.

scholarly journals COMPARISON OF TRADITIONAL VERSUS VIDEO BASED TEACHING ON NEUROLOGICAL ASSESSMENT AMONG UNDERGRADUATE NURSING STUDENTS

2013 ◽  
Vol 03 (02) ◽  
pp. 029-032
Author(s):  
Sushma Prabhu
Keyword(s):  
Nursing Students ◽  
Interactive Video ◽  
Computer Assisted ◽  
Neurological Assessment ◽  
Undergraduate Nursing Students ◽  
Undergraduate Nursing ◽  
Lecture Method ◽  
Significant Difference ◽  
Group A ◽  
Group B

Abstract Background: The new computer assisted and interactive video instructions have been merged into teaching system as an efficient method. This method is an effective medium for student learning, regardless of discipline and its potentials have encouraged instructors and learners to opt this method. Purpose: The current study has aimed to compare the traditional lecture method with video based teaching, in improving the knowledge and skill of Undergraduate Nursing students on Neurological assessment. Methods: This quasi experimental study was conducted on 30 undergraduate nursing students who were randomly assigned to two groups. Group A attended a lecture cum demonstration method and group B underwent video based teaching on neurological assessment. Learning level of both the groups was compared by using independent't' test. Results: In both the groups the post test scores were significantly higher than the pretest scores, but there was no statistically significant difference between group A and B. Hence both the teaching methods were found to be equally effective in improving the knowledge and skill of undergraduate nursing students on neurological assessment.

scholarly journals A COMPARATIVE STUDY BETWEEN PRANAYAMA AND BREATHING EXCERCISES

2020 ◽  
Vol 4 (3) ◽  
Author(s):  
S. P. Quadri ◽  
P. Bairwa
Keyword(s):  
Simple Random Sampling ◽  
T Test ◽  
Obese Women ◽  
Breathing Exercises ◽  
Significant Difference ◽  
Before And After ◽  
Group A ◽  
Student’S T ◽  
Group B ◽  
The Mind

Yoga is an ancient system of self-development through which union occurring between the mind, body and spirit. Yoga is a science and is immensely useful for promoting total health, which may assist in achieving recommended levels of physical activity for some individuals. Type of sampling was simple random sampling, consist of 60 obese women. Group A consisted of 30 and Group B consisted of 30.  A written informed consent was taken from all the subjects. Purpose of the study and procedure were explained to the subjects. Subjects in the age group of 35 to 45 were included in the study and were randomly divided into two groups. Group A (n=30) and Group B (n=30). All the values obtained before and after performing Pranayama, and breathing exercises were expressed as mean ± SD. The data were analyzed by SPSS 32.0 version one way ANOVA followed by student’s   t test   which    was used to compare pre and post training results. P values of less than 0.05 were accepted as significant difference between the compared values. Keywords: Yoga; Pranayama; Breathing Excercises; t test.

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