Evaluation of Sella Turcica Variations in Lateral Cephalometric Radiographs and its Association with Malocclusion.

Objectives: Understanding the shape and size of the sella turcica may help predict future orthodontic treatment needs related to skeletal malocclusion. This study aims to assess different morphological types of the sella turcica in lateral cephalometric radiographs and its correlation with malocclusion, as well as the relationship between gender and linear measurements of sella turcica.

Materials And Methods: The lateral cephalometric radiographs of 410 volunteers (111 men and 299 women) aged 8 to 30 years were evaluated.

Relationship between Skeletal Malocclusion and Radiomorphometric Indices of the Mandible in Long Face Patients.

This study aimed to assess the relationship between skeletal malocclusion and radiomorphometric indices of the mandible in long face patients. This cross-sectional study evaluated 174 lateral cephalograms and panoramic radiographs of long face patients between the ages of 17 and 30 presenting at the Orthodontics Department of Qazvin Dental School. The gonial angle, antegonial angle, type of antegonial notch, and depth of antegonial notch were measured bilaterally on panoramic radiographs.

Relationship of the Morphology and Size of Sella Turcica with Dental Anomalies and Skeletal Malocclusions.

This study aimed to assess the relationship of the morphology and size of the sella turcica (ST) with dental anomalies and skeletal malocclusions. This cross-sectional study was conducted on records of fixed orthodontic patients treated between 2013 and 2022. Cephalometric analysis was performed to determine the anteroposterior and vertical skeletal patterns.

Cytotoxicity of PLGA-zinc oxide nanocomposite on human gingival fibroblasts.

Background: Polylactic-co-glycolic acid and zinc oxide (PLGA-ZnO) nanocomposite has been investigated for its antibacterial properties, which could be beneficial for adding to wound dressings after periodontal surgery. However, its cytotoxicity against human gingival fibroblasts (HGFs) remains unclear and should be evaluated.

Methods: ZnO nanoparticles were synthesized using the hydrothermal method.

Pattern of Endodontic Lesions of Maxillary and Mandibular Posterior Teeth: A Cone-Beam Computed Tomography Study.

The pattern of expansion of endodontic lesions in the jaws has been less commonly addressed in the literature. For this reason, the aim of this study is to assess the pattern of endodontic lesions of maxillary and mandibular posterior teeth using cone-beam computed tomography (CBCT). This cross-sectional study was conducted on 317 endodontic lesions of posterior teeth on CBCT scans retrieved from a radiology center in Qazvin, Iran, from 2020 to 2022.

Contributing Factors for Calcium Changes During Hospitalization in COVID-19: A Longitudinal Study.

Background: Hypocalcemia is highly prevalent in Coronavirus disease 2019 (COVID-19). There is limited evidence about the course and roles of different parameters in the occurrence of new or worsening hypocalcemia.

Objectives: This prospective longitudinal study was conducted on hospitalized COVID-19 patients in Qazvin, Iran, in 2021.

The efficacy of eye movement desensitization and reprocessing in reducing anxiety among female university students with primary dysmenorrhea.

Background: Unpleasant experiences of dysmenorrhea can lead to increased anxiety. The anxiety associated with dysmenorrhea is a pain-related anxiety which might reduce the efficacy of medication as well as enhance the perception of pain. The present study evaluated the efficacy of eye movement desensitization and reprocessing (EMDR) in reducing anxiety among female university students with primary dysmenorrhea.

Association of weekly or biweekly use of 50 000 IU vitamin D3 with hypervitaminosis D.

Since the beginning of the COVID-19 pandemic, many Iranian people have been taking 50 000 IU of vitamin D3 on weekly or biweekly bases in order to enhance their immune system function. This cross-sectional study was conducted on the patients of endocrinology clinic to compare 25(OH)D levels of weekly or biweekly consumption with the monthly users of vitamin D3 50 000 IU. The level >100 ng/mL of 25(OH)D was defined as hypervitaminosis D.

A population-based dataset concerning predictors of willingness to get a COVID-19 vaccine in Iran.

The global issue of preventing the spread of COVID-19 is challenging. One of the most efficient ways to control the pandemic is to have a full coverage of COVID-19 vaccination. Therefore, this paper collected survey data to understand the intention and willingness of COVID-19 vaccination uptake in Qazvin, Iran.

Fear of COVID-19 and Perceived COVID-19 Infectability Supplement Theory of Planned Behavior to Explain Iranians' Intention to Get COVID-19 Vaccinated.

One of the most efficient methods to control the high infection rate of the coronavirus disease 2019 (COVID-19) is to have a high coverage of COVID-19 vaccination worldwide. Therefore, it is important to understand individuals' intention to get COVID-19 vaccinated. The present study applied the Theory of Planned Behavior (TPB) to explain the intention to get COVID-19 vaccinated among a representative sample in Qazvin, Iran.

Prevalence of G6PD deficiency in Iranian neonates with jaundice: a systematic review and meta-analysis.

Objectives: This systematic review and meta-analysis study aimed to estimate the overall prevalence of Glucose-6-phosphate dehydrogenase (G6PD) deficiency in neonates with jaundice who were admitted to hospitals in Iran.

Materials And Methods: In this systematic review and meta-analysis, we searched PubMed/Medline, Scopus, ISI Web of Sciences, and Iranian Local databases up to December 2019.We calculated Prevalence and 95% Confidence Interval (95% CI) of G6PD deficiency as summary measures.

Effect of ambient air pollution and temperature on the risk of stillbirth: a distributed lag nonlinear time series analysis.

Objectives: This study aimed to determine the effect of ambient air pollution and temperature on stillbirth in Tehran.

Methods: In this time-series study, the effect of O (ppb), CO (ppm), NO (ppb), SO (ppb), PM (μg/m), and minimum, maximum, and mean daily temperature (°C) on stillbirth was evaluated in Tehran, Iran between March 2015 and March 2018. Using a quasi-Poisson regression model in combination with a Distributed Lag Non-linear Models (DLNM), the Relative Risk (RR) was estimated through comparing the high temperature (99th, 95th, and 75th percentiles) and low temperature (1st, 5th, and 25th percentiles) with the median.

Ambient temperature and air pollution, and the risk of preterm birth in Tehran, Iran: a time series study.

Objective: The aim of the present study was to determine the relationship between temperature and air pollution, and preterm birth in Tehran, Iran.

Methods: In this time series study, the daily data of preterm births, air pollution, and maximum, minimum and mean temperature from March 2015 to March 2018 were used. To evaluate the effect of air pollution and temperature with and without adjustment of their mutual effects on preterm birth in lags (days) 0-21, the Distributed Lag Non-linear Models (DLNM) was used.

The effect of silymarin on liver enzymes in patients taking isotretinoin: A randomized clinical trial.

The aim of the present study was to investigate the effect of silymarin (Livergol) on liver enzymes in patients taking isotretinoin (Roaccutane). In this double-blind clinical trial, 74 patients with acne and taking isotretinoin were randomly assigned into intervention (N = 37) and control (N = 37) groups. The intervention group received a 140 mg Livergol capsule per day for 30 days.

Association between General Health and Mobile Phone Dependency among Medical University Students: A Cross-sectional Study in Iran.

Background: Mobile phone dependency is an emerging public health problem. The aim of this study was to investigate the associations between general health and mobile phone dependency in college students.

Methods: In this cross-sectional study, 334 students from Arak University of Medical Sciences of Iran were selected by stratified random sampling.

Association between depression with glycemic control and its complications in type 2 diabetes.

Aims: This study aims to determine the association between depression with glycemic control (HbA1c) and its complications.

Materials And Methods: This was a cross-sectional study that included 514 diabetic patients. The patients were randomly selected from among all type 2 diabetes patients referred to health and medical centers in Khorramabad town (Iran).

Investigating the effect of Eye Movement Desensitization and Reprocessing on pain intensity in patients with primary dysmenorrhea: a protocol for a randomized controlled trial.

Background: Unpleasant experience with the previous menstruation can increase the sensitivity to pain which may lead to moderate to severe pain in patients with dysmenorrhea. Eye movement desensitization and reprocessing (EMDR) is a psychological method to alleviate the distress from unpleasant memories and related events and can be used for other conditions such as anxiety, depression, and chronic pain. This protocol was designed to investigate the effect of EMDR therapy on pain intensity in patients with dysmenorrhea.

Prevalence of obesity and overweight in Iranian children aged less than 5 years: a systematic review and meta-analysis.

Purpose: The present study aimed to determine the prevalence of childhood obesity and overweight in Iranian children under 5 years of age using a systematic review and meta-analysis.

Methods: We searched MEDLINE (PubMed), Web of Science, Google Scholar, Scopus, CINHAL, and the Iranian databases, including Scientific Information Database (www.sid.

Impact of Unintended Pregnancy on Maternal and Neonatal Outcomes.

Background: Pregnancy outcomes might be affected by unintended pregnancy such as preeclampsia, preterm birth, cesarean section and low birth weight. The aim of the present study is to assess the association between unintended pregnancy and pregnancy outcomes.

Methods: This was a cross-sectional study conducted in 103 hospitals in Tehran, Iran, in July 2015.

Risk Factors for Addiction Potential among College Students.

Background: Tendency toward addiction is provided before drug use begins. The present study aimed to identify the risk factors for addiction potential in the students of Arak University of Medical Sciences.

Methods: We conducted this cross-sectional study among 305 students from Arak University of Medical Sciences, Iran in 2016.

Prevalence of premenstrual syndrome in Iran: A systematic review and meta-analysis.

Background: Premenstrual syndrome (PMS) is a common disorder characterized by physical, mental and behavioral changes in the luteal phase of the menstrual cycle in the reproductive age women.

Objective: The present study aimed to determine the overall prevalence of PMS in Iran by a systematic review and meta-analysis study.

Materials And Methods: In this systematic review and meta-analysis, we searched international databases included ISI Web of Knowledge, PubMed/Medline, Scopus, Google Scholar, and also local databases including Iranmedex, Scientific Information Database, and Magiran for articles in English and Persian language published up to September 2016.

Comparison of conventional phototherapy and phototherapy along with Kangaroo mother care on cutaneous bilirubin of neonates with physiological jaundice.

Background: One of the adjuvant and desirable therapies is skin contact between mother and baby or Kangaroo mother care (KMC) that is a cheap, accessible, relaxing, noninvasive and easy method. This study aimed to compare the effect of conventional phototherapy method and phototherapy along with KMC on cutaneous bilirubin in neonates with physiological jaundice.

Materials And Methods: In this randomized clinical trial, all infants with physiological jaundice who referred for phototherapy to Mofid Hospital of Shahid Beheshti University of Medical Sciences, Tehran, Iran were selected by convenience sampling based on inclusion criteria and were randomly assigned into two groups of conventional phototherapy (n = 35) and phototherapy along with KMC (n = 35).