The Effect of Total Thyroidectomy on Trace Elements, Namely Zinc and Copper in Patients with Thyroid Diseases.

The aim of this study was to investigate the effect of total thyroidectomy on serum levels of trace elements, namely zinc and copper, in patients with thyroid diseases. In this cross-sectional study, 42 patients with thyroid diseases according to laboratory and fine needle aspiration (FNA) results divided into two groups, including differentiated thyroid cancer group (papillary and follicular) and non-cancerous group (MNG: Multinodular goiter). Before the surgery, blood sample was taken to investigate the zinc and copper levels.

Coexistence of intrathyroid thymic carcinoma and papillary thyroid carcinoma: a case report and literature review.

Background: Intrathyroid thymic carcinoma (ITTC) is a rare neoplasm of the thyroid, which accounts for less than 0.15% of all thyroid malignancies. The coexistence of ITTC and papillary thyroid carcinoma (PTC) is an extremely rare condition reported only in a limited number of cases.

The effect of cisplatin-based chemotherapy on hearing loss (the frequency of >8 kHz) in children with cancer.

Introduction: In this study we investigated the effect of cisplatin-based chemotherapy on hearing loss in children with cancer.

Material And Method: In this retrospective study, 20 children aged 6 to 17 years with cancer who were treated with cisplatin and had normal results on initial audiometry test were included. The demographic, clinical, and medical information of all children was extracted and recorded.

The effect of vitamin B12 on idiopathic tinnitus.

Introduction: Tinnitus is one of the most important challenges in the field of ear, nose and throat diseases. The aim of this study was to evaluate the effect of vitamin B12 on idiopathic tinnitus.

Material And Methods: In this double-blind clinical trial study, 140 patients with idiopathic tinnitus were divided into two groups, the group receiving vitamin B12 and the group receiving placebo.

The effect of different concentrations and temperatures of sodium hypochlorite irrigation on pain intensity following endodontic treatment of mandibular molars with irreversible pulpitis: A randomized, double-blind clinical trial.

Objectives: This study aimed to determine the severity of pain after endodontic treatment of mandibular molars with irreversible pulpitis following the use of sodium hypochlorite (NaOCl) at different temperatures and concentrations.

Methods: In this randomized, controlled clinical trial, 72 patients with mandibular molars with irreversible pulpitis were randomly assigned to six groups. The teeth were anesthetized and the root canals were prepared.

Comparison of the effect of NaOCL, curcumin, and EDTA on differentiation, proliferation, and adhesion of dental pulp stem cells.

Introduction: This study examined the effect of 1.5% NaOCl, 17% EDTA, and curcumin on the proliferation, attachment, and differentiation of dental pulp stem cells (DPSCs) placed on the dentin specimens.

Methods: MTT assay was performed to evaluate the proliferation of DPSCs on the dentin specimens treated with different concentrations of NaOCl, 17% EDTA, and curcumin (0.

Efficiency-Efficacy Assessment of External Lateral Osteotomy Technique Versus Internal One in the Rhinoplasty.

In this study we aimed to compare external lateral osteotomy technique vs. internal one in the rhinoplasty. In this before-after clinical trial study 30 patients who were candidates for rhinoplasty involved.

The association between metabolic syndrome and the prognosis of idiopathic sudden sensorineural hearing loss.

Introduction: In this study, we investigated the association between metabolic syndrome and the prognosis of idiopathic sudden sensorineural hearing loss.

Methods: In this prospective cohort study, 79 patients with idiopathic SSNHL admitted to the ENT ward were involved. Patients were under treatment with two-dose pulse methylprednisolone and then oral corticosteroid (Prednisolone 1 mg/kg for up to 2 weeks and more).

Investigating the possible association between thyroid nodule location and the malignancy risk of the nodules in FNA samples.

Introduction: In this study we aimed to investigate the association between thyroid nodule location and the malignancy risk of the nodules in FNA samples.

Methods: In this cross sectional study, 400 patients with thyroid nodule size >1.5 cm, thyroid nodule size >1 cm with micro-calcification, and thyroid nodule size <1 cm with sonographic or clinical signs of malignancy who referred to a training hospital, were involved.

Papillary Thyroid Carcinoma with Nodular Fasciitis-Like Stroma in a 28-Year-Old Patient.

Papillary thyroid carcinoma (PTC) is considered as a relatively common type of malignancy showing a wide morphologic spectrum. Different variants of this tumor have been reported. Among PTC variants, PTC with nodular fasciitis-like stroma (PTCFLS) is rare.

Ability of Calcium Silicate and Epoxy Resin-based Sealers to Fill the Artificial Lateral Canals in the Presence or Absence of Smear Layer.

The lateral canals are pathways for bacteria and their products to pass between the root canal and the periradicular tissue. The present study aims to compare the filling ability of the lateral canals with three calcium silicate based sealers, including MTA Fillapex, Endoseal MTA and Sure-Seal Root, and AH26 epoxy resin sealer in the presence and absence of the smear layer. Six lateral canals were prepared using an engine reamer in 80 single-rooted human teeth.

Cyclin D1 Expression in Patients with Laryngeal Squamous Cell Carcinoma.

Background & Objective: Laryngeal squamous cell carcinoma (LSCC) is considered to be one of the most common cancers of the head and neck, accounting for roughly 90% of all malignant tumors of the larynx. To have a timely diagnosis for a better and practical therapy, molecular markers have to be investigated. The aim of this study was to determine the expression of Cyclin D1 (CD1) in patients with laryngeal squamous cell carcinoma.

Correlation of Serum Vitamin D Levels with Chronic Rhinosinusitis Disease Severity.

Introduction: The present study was conducted to investigate the association between the serum vitamin D levels and severity of disease in chronic rhino sinusitis (CRS) patients.

Materials And Methods: This prospective cross-sectional study was conducted on a total of 93 patients suffering from chronic rhino sinusitis with nasal polyposis (CRS w NP). Serum level of 25-hydroxyvitamin D was detected using a simple blood test.

Changes in elastic properties of the nasal tip using Columellar strut graft versus tongue-in-groove method over one year after rhinoplasty.

Introduction: In this study, we decided to investigate the changes in elasticity of the nasal tip using Columellar strut graft versus toung in groove method over a year after rhinoplasty.

Materials And Methods: In this before-after randomized clinical trial study, 44 candidates for rhinoplasty were enrolled Columellar strut graft group (n = 22) and toung in groove group (n = 22). Also 22 patients who referred to ENT clinic without any previous rhinoplasty and without any decision for it during the next year, considered as control group.

The Effects of Different Agitation Techniques of Canal Irrigant on Tubular Penetration of a Bioceramic Sealer.

Introduction: This study aimed to compare the effects of different agitation techniques of sodium hypochlorite (NaOCL) as the final irrigation with XP-Finisher file, passive ultrasonic irrigation (PUI), Er:YAG laser and irrigation with conventional syringes, on penetration of Sure Seal Root bioceramic sealer into dentinal tubules.

Methods And Materials: Forty freshly extracted single-rooted human teeth were included in the present study. All the teeth were prepared up to #40 (4%) with Bio Race rotary file system, using crown-down technique.

The Effect of Gelfoam Impregnated With Botulinum Toxin on Allergic Rhinitis.

Introduction: This study evaluated the effect of gelfoam impregnated with botulinum toxin on the symptoms induced by allergic rhinitis.

Materials And Methods: In total, 30 patients with allergic rhinitis who did not respond to common therapies were included in this clinical trial study. All patients were treated with intranasal gelfoam impregnated with botulinum toxin type a (40 unit in each side) placed in the middle meatus of each nostril.

Changes in Nasal Tip and Lateral Nostril Characteristics After the Semi-Tongue-in-Groove Technique in Open Rhinoplasty Surgery.

Introduction: This study aimed to evaluate postsurgical changes of nasal tip and lateral nostril characteristics after semi-tongue-in-groove (TIG) technique in open rhinoplasty surgery.

Materials And Methods: This prospective observational study was performed in a before-after setting on 22 patients who underwent open rhinoplasty surgery using semi-TIG technique. Postoperative photographs were analyzed for nasal tip and lateral nostril changes at several time points (1, 4, and 12 weeks after surgery) and were compared with preoperative photographs.

The relationship between endoscopic and radiologic findings and olfactory status of patients with chronic rhinosinusitis with nasal polyps before and after the endoscopic sinus surgery.

Introduction: This study was attempted to investigate the relationship between radiologic and endoscopic findings and pre- and post-operative olfactory scores in chronic rhinosinusitis with nasal polyps.

Materials And Methods: In this study, 40 patients aged 19-64 years with chronic rhinosinusitis with nasal polyps (CRSwNP) undergoing endoscopic sinus surgery were involved. The patients' olfactory status was evaluated using Smell Identification Test (Iran SIT) before and 3 months after the surgery.

The Effect of Spreader Graft and Mattress Suture Technique on Rhinoplasty in Patients With Nasal Hump Smaller Than 3 mm.

Introduction: Rhinoplasty is a common plastic surgery that potentially has some complications such as postoperative deformities and breathing problems. A humpy nose is among the main reasons for rhinoplasty. Nasal valve (the narrowest part of the nasal airway) collapse may be occurred after nasal hump removal.

The Role of Immunological Factors on Sudden Sensoryneural Hearing Loss.

Introduction: In this study, we examined the role of immunological factors on sudden sensory neural hearing loss (SSNHL).

Materials And Methods: This prospective case-controlled study was performed in patients with SSNHL who referred to the ear, nose, and throat (ENT) ward. Fifty-six patients with SSNHLoccurring within a 72-hr period were selected as the case group and 56 participants who had no recent history of disease were assigned to the control group.

Volume of Anesthetic Agents and IANB Success: A Systematic Review.

The aim of this study was to provide an evidence-based answer to the question: "Is 3.6-mL volume of an anesthetic agent more effective than 1.8-mL volume in providing anesthesia for mandibular molars?" Following formulation of research question and keyword selection, a comprehensive search of the following databases was conducted: Cochrane library, PubMed, Scopus, Google Scholar, ProQuest, and Clinicaltrials.

Comparing the Efficacy of Peritonsillar Injection of Tramadol With Honey in Controlling Post-Tonsillectomy Pain in Adults.

Introduction: The authors investigated the effect of honey on post-tonsillectomy pain and compare its efficacy with tramadol.

Methods: This clinical trial was performed on 60 patients with American Society of Anesthesia I and II aged between 18 and 55 years and underwent tonsillectomy. Induction of anesthesia was carried out using 2 mg/kg propofol and 0.

Smear layer removal evaluation of different protocol of Bio Race file and XP- endo Finisher file in corporation with EDTA 17% and NaOCl.

Background: The aim of the present study was to compare the amount of the smear layer remaining in prepared root canals with different protocols of Bio RaCe files and XP-endo Finisher file (XPF) in association with 17% EDTA and sodium hypochlorite solution.

Material And Methods: A total of 68 extracted single-rooted teeth were randomly divided into 4 experimental groups (n=14) and two control groups (n=6). The root canals were prepared with Bio RaCe files (FKG Dentaire, Switzerland) using the crown-down technique based on manufacturer's instructions and irrigated according to the following irrigation techniques: Group 1: XPF with 2 mL of 2.

Root Canal Morphologies of Mesiobuccal Roots of Maxillary Molars using Cone beam Computed Tomography and Periapical Radiographic Techniques in an Iranian Population.

Aim: The aim of this study was to evaluate the accuracy of the results of cone beam computed tomography (CBCT) examinations, confirm the presence or absence of the second mesiobuccal (MB2) root canal in maxillary first and second molars, estimate the distance between the root canal orifices, observe the root types based on Vertucci classification system, and make comparisons between CBCT and periapical techniques in relation to the identification of the root canal form and the second root canal of the MB root.

Materials And Methods: The CBCT and periapical radiographic data from the Department of Maxillofacial Radiology were used to select 156 individuals (78 females and 78 males) for the evaluation of the anatomy of maxillary first and second molars.

Results: The prevalence rate of the second root canal in the MB root in the maxillary first molars was 55.

Comparison of the Penetration Depth of Conventional and Nano-Particle Calcium Hydroxide into Dentinal Tubules.

Introduction: The aim of this study was to evaluate and compare the penetration depth of conventional (CH) and nano-particle calcium hydroxide (NCH) into dentinal tubules.

Methods And Materials: Ninety human single-rooted teeth were instrumented by RaCe rotary system and after chemomechanical preparation were randomly divided in two equal groups (=45). In the first group conventional CH and in the other NCH was used as intracanal medicament.