scholarly journals Relationship Between the Initial Position of Palatally Displaced Canines and Treatment Duration

2020 ◽  
pp. 287-300
Author(s):  
Elçin Esenlik ◽  
Esra Bolat ◽  
Yavuz Findik
Keyword(s):  
Treatment Duration ◽  
Vertical Plane ◽  
Initial Position ◽  
Occlusal Plane ◽  
Distributed Data ◽  
Group A ◽  
Student’S T ◽  
Α Angle ◽  
Dental Cast ◽  
Normally Distributed

This prospective study aimed to assess the positional features of palatally displaced maxillary canines (PDCs), their relationship with both cephalometric and dental cast measurements and treatment duration. Pretreatment panoramic and lateral cephalometric radiographs and dental casts of 46 patients (23 patients with uni/bilateral PDC and 23 patients with Class I malocclusion) were collected. The mesial inclination of the permanent canine to the midline (α angle), the distance from the cusp tip of the permanent canine to the occlusal line (d distance), and the mesial position of the crown of the displaced canine (sector) were measured on the panoramic radiographs. SNA°, SNB°, ANB°, SN-GoGn°, SN-PP°, and PP-MP° angles and sagittal inclinations of the PDCs’ (C-PP°) were measured on cephalometric radiographs. Arch length discrepancies and transversal arch measurements were also performed. The Student’s t-test, Mann-Whitney U test and Kruskal-Wallis test were used to compare variables that were not normally distributed while ANOVA was used for the normally distributed data.  The arch widths were similar between the groups while crowding was significantly greater in the PDC group. A negative correlation was found between the α angle and vertical plane angle (SN-GoGn°). Treatment duration was positively correlated with α angle and d distance but there was no relationship with the sagittal angulation of the PDC to the palatal plane (C-PP°) and the treatment duration. Treatment duration can be expected to be longer with every increase in the angle of the PDC to the midline and distance from the occlusal plane.

scholarly journals “Snapping” of the extensor carpi ulnaris tendon in asymptomatic population

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Firat Erpala ◽  
Tahir Ozturk
Keyword(s):  
Provocation Test ◽  
Tendon Sheath ◽  
Distal Radioulnar Joint ◽  
Wrist Pain ◽  
Categorical Variables ◽  
Distributed Data ◽  
Chi Square ◽  
Extensor Carpi Ulnaris ◽  
Student’S T ◽  
Normally Distributed

Abstract Background Extensor carpi ulnaris tendinopathy (ECU) can be one cause of ulnar side wrist pain and it is more prominent in pronation-supination movements against resistance. In supination, flexion, and ulnar deviation within the ulnar groove, the tendon is tense and becomes predisposed to subluxation or dislocation. Snapping occurs during this dislocation and relocation. As a result of this friction between the tendon sheath and ulnar groove, tendinopathy and pain occur. ECU tendon is an important structure that contributes to the dynamic stability of wrist therefore resulting degeneration contributes disruption of distal radioulnar joint and causes wrist instability. Methods Participants without active wrist complaints who presented to the outpatient clinic between 2019 and 2020 were included. Provocation test was performed and participants with snapping were evaluated with ultrasound to determine subluxation or dislocation. Participants asked to indicate approximately how much time they spent daily on the phone, computer and game console. The distribution of data was evaluated with the Kolmogorov-Smirnov test. Quantitative data that were not normally distributed were evaluated using the Mann-Whitney U test, and Student’s t-test was used for normally distributed data. The Chi-square test was used to compare categorical variables. For all tests, p < 0.05 was considered statistically significant. Results Four hundred and fifteen women and 340 men were included in the study. Fifty of the 755 participants (6.6 %) had snapping. 22 of the 755 participants (2.9 %) had dislocation or subluxation on ultrasound. Three (13.6 %) participants had dislocation and 19 (%86.4) participants had subluxation on ultrasound. All 50 of the participants with snapping had significant repetitive trauma and sports activities. It was determined that 21 of the 22 participants who were found to have subluxation or dislocation by ultrasound had more than two hours of hobby activity and significantly more participants had more than two hours of activity compared to the group without subluxation or dislocation. Conclusions This study with a large number of participants will contribute to the literature in terms of evaluating the contribution of technological devices, such as computers, smartphones, and consoles to chronic wrist pain and the prevalence of ECU snapping in the asymptomatic population. Trial registration Date of Approval; 19.02.2019, Approval Number; 19-KAEK-045.

scholarly journals Comparison of hemodynamic change following spinal anesthesia in preeclamptic and non-preeclamptic parturients undergoing cesarean section at University of Gondar comprehensive specialized hospital, Northwest Ethiopia.

2020 ◽  
Author(s):  
Tikuneh Yetneberk ◽  
Yophetah W. Berhe ◽  
Habtamu Getnet ◽  
Mamaru Mollalign
Keyword(s):  
Cesarean Section ◽  
Spinal Anesthesia ◽  
Northwest Ethiopia ◽  
Distributed Data ◽  
Induced Hypotension ◽  
Exact Test ◽  
Specialized Hospital ◽  
Intergroup Comparison ◽  
Student’S T ◽  
Normally Distributed

Abstract Background Spinal anesthesia-induced maternal hypotension is the most frequent complication associated with maternal morbidity and mortality during cesarean section. The aim of this study was to compare the incidence and magnitude of hemodynamic changes in preeclamptic and non-preeclamptic parturients undergone cesarean section under spinal anesthesia. Method A prospective cohort study was conducted from February to May 2019 in University of Gondar comprehensive specialized hospital. A total of 122 ASA II and ASA III parturients were recruited consecutively and assigned to two groups (81non-preeclamptics, and 41 preeclamptics). The data analysis was done by SPSS version 22 statistical software. The data were tested for normality with Shapiro Wilk U-test and normally distributed data were compared by using the independent student’s t-test. Whereas non-normally distributed data were compared using the Mann-Whitney U- test. Fisher’s exact test was used for intergroup comparison of proportion. All P values <0.05 were considered statistically significant. Result The incidence of spinal anesthesia-induced hypotension was higher in non-preeclamptic parturients than preeclamptic parturients (55.6% vs. 34.1%, respectively) and the degree of blood pressure drop was significantly greater in the non-preeclamptic parturients compared to those with preeclampsia; As well intraoperative fluid consumption was significantly greater in the non-preeclamptics parturients compared to those with preeclamptics. Conclusion The incidence and magnitude of spinal anesthesia-induced hypotension in parturients undergone cesarean section were less in preeclamptic parturients than in non-preeclamptic parturients. Therefore, don’t deny spinal anesthesia for preeclamptic parturients due to fear of profound hypotension, unless there is a contraindication for spinal anesthesia.

Comparison of GEE, MINQUE, ML, and REML Estimating Equations for Normally Distributed Data

2001 ◽  
Vol 55 (2) ◽  
pp. 125-130 ◽  
Author(s):  
Chi-tsung Wu ◽  
Marcia L Gumpertz ◽  
Dennis D Boos
Keyword(s):  
Estimating Equations ◽  
Distributed Data ◽  
Normally Distributed

scholarly journals Dental and skeletal changes in patients with mandibular retrognathism following treatment with Herbst and pre-adjusted fixed appliance

2014 ◽  
Vol 19 (1) ◽  
pp. 46-54 ◽  
Author(s):  
Fabio de Abreu Vigorito ◽  
Gladys Cristina Dominguez ◽  
Luís Antônio de Arruda Aidar
Keyword(s):  
Phase I ◽  
Phase Ii ◽  
Class Ii ◽  
Initial Position ◽  
Occlusal Plane ◽  
Mandibular Movement ◽  
Fixed Appliance ◽  
Lateral Cephalograms ◽  
T1 And T2 ◽  
Mandibular Retrognathism

OBJECTIVE: To assess the dentoskeletal changes observed in treatment of Class II, division 1 malocclusion patients with mandibular retrognathism. Treatment was performed with the Herbst orthopedic appliance during 13 months (phase I) and pre-adjusted orthodontic fixed appliance (phase II). METHODS: Lateral cephalograms of 17 adolescents were taken in phase I onset (T1) and completion (T2); in the first thirteen months of phase II (T3) and in phase II completion (T4). Differences among the cephalometric variables were statistically analyzed (Bonferroni variance and multiple comparisons). RESULTS: From T1 to T4, 42% of overall maxillary growth was observed between T1 and T2 (P < 0.01), 40.3% between T2 and T3 (P < 0.05) and 17.7% between T3 and T4 (n.s.). As for overall mandibular movement, 48.2% was observed between T1 and T2 (P < 0.001) and 51.8% between T2 and T4 (P < 0.01) of which 15.1% was observed between T2 and T3 (n.s.) and 36.7% between T3 and T4 (P < 0.01). Class II molar relationship and overjet were properly corrected. The occlusal plane which rotated clockwise between T1 and T2, returned to its initial position between T2 and T3 remaining stable until T4. The mandibular plane inclination did not change at any time during treatment. CONCLUSION: Mandibular growth was significantly greater in comparison to maxillary, allowing sagittal maxillomandibular adjustment. The dentoalveolar changes (upper molar) that overcorrected the malocclusion in phase I, partially recurred in phase II, but did not hinder correction of the malocclusion. Facial type was preserved.

Effects of Diaphragmatic Breathing and Systematic Relaxation on Depression, Anxiety, Stress, and Glycemic Control in Type 2 Diabetes Mellitus

2021 ◽  
Author(s):  
Abhishek Yadav ◽  
Rajeev Mohan Kaushik ◽  
Reshma Kaushik
Keyword(s):  
Glycemic Control ◽  
Well Being ◽  
Depression And Anxiety ◽  
Diaphragmatic Breathing ◽  
Group A ◽  
Student’S T ◽  
Group B ◽  
Mental Well Being ◽  
Student’S T Test

Abstract This prospective study assessed the effects of diaphragmatic breathing and systematic relaxation on depression, anxiety, and stress levels, as well as glycemic control, in patients with type 2 diabetes mellitus (T2DM). One hundred patients with T2DM were randomly assigned to two equal groups: Group A patients received conventional treatment for T2DM, and Group B patients received conventional treatment for T2DM plus training in diaphragmatic breathing and systematic relaxation and home practice of these stress-management techniques for 6 months. Stress, depression, and anxiety levels, blood sugar, and glycated hemoglobin (HbA1c) were recorded at baseline and after 6 months of treatment in all patients. Baseline characteristics were compared using the chi-square test and student’s t test. Changes in mental well-being and glycemic status were assessed for their significance in each group using student’s t test and compared between two groups using one-way analysis of covariance (ANCOVA). Baseline levels of the respective change outcome and duration of diabetes were used as covariates in the ANCOVA. A significant decrease was seen in depression, anxiety, and stress scores in Group B, but in Group A only the stress score decreased after 6 months. A significant decline occurred in blood sugar (fasting, 2-hour postprandial, and random) and HbA1c in both groups after 6 months. There was a larger decrease in depression and anxiety scores and HbA1c in Group B than in Group A. The decrease in HbA1c was significantly correlated with the decrease in anxiety and stress scores in both groups and with the depression score in Group A. Thus, the addition of diaphragmatic breathing and systematic relaxation to conventional T2DM treatment appears to have led to improvement in mental well-being and glycemic control in patients with T2DM.

scholarly journals Correlation between Duration of Oral Contraceptives and Hypercoagulability in Bangladeshi Women

2017 ◽  
Vol 26 (Number 1) ◽  
pp. 21-26
Author(s):  
Samsunnahar ◽  
Q S Akhter ◽  
N Akhter ◽  
K Sultana ◽  
Md. Atiquzzaman ◽  
...  
Keyword(s):  
Oral Contraceptives ◽  
Oral Contraceptive Pill ◽  
Study Groups ◽  
Cross Sectional Study ◽  
Cross Sectional ◽  
Medical College ◽  
Prolonged Duration ◽  
Group A ◽  
The Mean ◽  
Student’S T

This study was done to assess the hypercoagulability and the risk of thromboembolism in women taking oral contraceptive pill for prolonged period of time. This cross sectional study was done in the department of Physiology, Dhaka Medical College, Dhaka from Jan 2012 to Dec 2012. Ninety female subjects with the age range from 25-45 years, were taken as a study population. Among them, 60 women taking oral contraceptives for prolonged period of time ( > 1 years) were included for the study group and age matched 30 women of OCP nonusers were taken as a control. Study subjects were divided into two groups according to their duration of oral pill use: group BI ( 1 to 5 years users) were 30 women and group B2 ( >5 to 10 years users) were 30 women. Prothrombin time and activated partial thromboplastin time were estimated in all groups. Statistical analysis was done by unpaired Student's ? t' test and Pearson's Correlation Coefficient test. In this study, the mean (*SD) PT levels in group B1 & B2 were shortened than that of group A which were statistically highly significant (P < 0.001). Within the study groups, PT levels were positively correlated (r=+0.027) with the group B1 and negatively correlated (r= -0.163) with the group B2. But both the relationships were statistically non significant. The mean (+SD) AM' level in group B1 was shortened than that of group A but the result was not statistically significant. The mean (*SD) AM' level in group B2 was shortened than that of group A but the result was statistically highly significant (P<0.001). Within the study groups, APPT levels were negatively correlated with the group B1 (r= -0.268) and also group B2 (r= -0.122). But both the relationships were statistically non significant. My present study revealed that prolonged duration of OCP use ( at least for 5 years) increases the risk of hypercoagulable state and thromboembolism in women.

scholarly journals Penerapan Model Pembelajaran Problem Based Learning (PBL) terhadap Hasil Belajar Siswa SMAN 7 Palu Kelas XI pada Materi Larutan Penyangga

2018 ◽  
Vol 7 (1) ◽  
pp. 1
Author(s):  
Amsar T. Beddu ◽  
Sri Mulyani Sabang ◽  
Purnama Ningsih
Keyword(s):  
Problem Based Learning ◽  
Positive Influence ◽  
Control Group ◽  
Homogeneity Test ◽  
Distributed Data ◽  
Test Statistics ◽  
Control Group Design ◽  
Average Value ◽  
Kolmogorov Smirnov ◽  
Normally Distributed

This research aims to investigate the result of a study in applying the model of problem-based learning (PBL) the students of SMAN 7 Palu on the topic buffer. This method use quasy experiment with pretest-posttest control group design. The population is a class XI students of SMAN 7 Palu, where the sample is a 23 students in class XI IPA 3 as the experimental group and 23 students in class XI IPA 4 as the control group, which is determined by purposive sampling. The result of student learning to the average value of the experimental class is bigger than for class control experiment was 82.61 and for the control, class is 8.65. Test normality using the Kolmogorov-Smirnov test values obtained for the experimental class Sig 0.20 > 0.05 and class control 0.20 > 0.05, it means that both at data are normally distributed. Homogeneity test using the test statistics Lavene which gained value of Fhitung 0.37 > 0.54 Ftabel for experimental classes.200 Sig > 0.05 and for grade control 0.20 > 0.05, it means that both of normally distributed data, there is similarities variant between a group or the means homogeneous. Testing hypothesis use t-test two parties where the significance value of 0.06, it means at the value of Sig > 0.05, that Ho rejected and Ha accepted. Based on the statistical test, PBL learning model on material buffer has a positive influence on results for students at SMAN 7 Palu

Simulation of 5DOF Model for Arial Grasping

2015 ◽  
Vol 772 ◽  
pp. 381-387
Author(s):  
Haniyeh Rashidi Fathabadi ◽  
Afshin Banazadeh ◽  
Fariborz Saghafi
Keyword(s):  
Trajectory Optimization ◽  
Vertical Plane ◽  
Initial Position ◽  
Degree Of Freedom ◽  
Mathematical Representation ◽  
Additional Mass ◽  
Additional Degree ◽  
Air Vehicle ◽  
Euler Approach ◽  
Aerial Hunting

This study presents dynamic modeling and simulation of an air vehicle consisting of a body, gripper and a claw. This model is inspired from birds’ aerial hunting, while considering the extra degree of freedom associated with the claw. For a manipulator like a gripper, additional degree of freedom creates more flexibility for grasping. The main contribution of this paper focuses on the development of a model that is suitable for trajectory optimization in grasping phase. Mathematical representation of the system is developed based on the Newton-Euler approach in MATLAB-Simulink environment, considering the motion in vertical plane. The dynamic behavior of the system is evaluated by simulation in variety situations and sensitivity analysis is carried out to determine and characterize the parameters having the most and least effects on grasping. It is shown that the initial position of the gripper and the claw as well as the additional mass that is added to the system in grasping phase make considerable changes in the dynamics that necessitates the use of the control system. In addition, smooth trajectories and controls are obtained by adding friction to the system in order to avoid dynamic divergence.

Sign in / Sign up

Export Citation Format

Share Document