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Showing 3 results for Dentistry
Modabber Arasteh, Sara Kamali Ardakani, Bijan Nouri, Faranak Amani, Volume 25, Issue 4 (9-2020)
Abstract
Background and Aim: Considering the high incidence and the harmful effects of obsessive-compulsive disorder (OCD) on the performance of individuals, this study aimed to investigate the frequency of OCD symptoms and its related dimensions in medical and dental students of Kurdistan University of Medical Sciences (KUMS) in 2018.
Material and Methods: This cross-sectional (descriptive-analytic) study included all medical and dental students of KUMS in 2018. Sampling method was randomized stratified technique. Maudsley Obsessive-Compulsive Inventory (MOCI) was used for data collection. Data were analyzed by SPSS software version 22. We used chi-square test or Fisher’s exact test to analyze the hypothesis.
Results: The study included 250 students of KUMS (186 medical and 64 dental students). The mean age of the participants was 22.71±2.5 years. 127 subjects were men and 123 were women. The overall incidence of OCD was 54.4%. The highest incidence rate belonged to "doubting" (44.8%), and the lowest for "slowness and checking" (11.8%). The overall incidence of OCD had no statistically significant relationship with age, sex, educational level, and marital status. Both the overall incidence of OCD and the slowness and checking OCD were significantly higher in the students living with their families and lower in those living in dormitories (p < 0.01). Subjects with cleaning OCD had a lower mean age (P=0.030) and the incidence of this dimension was higher in externs (P=0.023). Washing and checking were the most common obsessive dimensions in women and men respectively.
Conclusion: In our study, obsessive-compulsive disorder had a high prevalence rate among medical and dental students; therefore, in order to reduce the complications, authorities should consider necessary measures for prevention, early diagnosis, and timely treatment of the disorder.
Azra Mohiti, Yasaman Sabaghzadegan, Arezoo Heidary, Volume 26, Issue 7 (1-2022)
Abstract
Background and Aim: Oral lichen planus (OLP) is one of the most common chronic diseases of oral cavity without any definitive cause and can involve 1-2% of the population. Treatment of the symptomatic patients is challenging. Despite a variety of treatments, many routine treatment protocols fail. Treatment by laser beam can be an appropriate alternative method in the treatment of OLP.
Materials and Methods: A 43 year old woman presented with chief complaint of ulcers and burning sensation (visual analogue scale = 7) on the dorsal and lateral surface of the left side of her tongue from one year ago. The patient previously had used topical corticosteroids but she discontinued her medication 3 months ago due to lack of complete improvement of burning sensation of the tongue and prolongation of the treatment. Skin and other mucosal surfaces had not been involved and the patient had no systemic problems. The patient was not taking any medication currently. No amalgam restoration was observed next to the lesion. In general no specific etiological factor was found. Incisional biopsy was performed for histopathological examination. Clinical symptoms and histopathologic findings led to definitive diagnosis of OLP . Topical steroids were given but the burning sensation of the tongue did not completely resolve and recurrence was observed upon discontinuation of the drug. At the next step we injected triamcinolone acetonide into erosive and atrophic mucosa which resulted to disappearance of the patient's symptoms. But after one month the symptoms recurred. At the third step lichenoid lesions with burning sensation were exposed to Nd-YAG laser with the power of 2.5W and wavelength of 1064nm.
Results: During a two-month follow-up period, the patient was completely asymptomatic (VAS = 0). No mucosal lesions were seen on examination.
Conclusion: This study showed that laser can be used in the treatment of OLP as an alternative therapeutic method when there is drug resistance or steroids are contraindicated.
Doctor Elahe Shafiei Rad, Doctor Fatemeh Ezoddini Ardakani, Doctor Fatemeh Abbasi, Doctor Hadi Moghadas-Dastjerdi, Doctor Mohammadjavad Omidvari Abarghouei, Doctor Mahjube Entezar-E-Ghaem, Volume 28, Issue 2 (5-2023)
Abstract
Background and Aim: Age estimation is an important issue in forensic medicine.Teeth are more resistant to changes than bones, so they are one of the main indicators for age estimation in forensic medicine. To determine the relationship between age and dental changes, the ratio of dental pulp/Tooth volume (PV/ TV) is one of the most appropriate indicators. The aim of this study was to determine the correlation between PV/TV ratio and chronological age in canine teeth using CBCT images.
Materials and Methods: In this descriptive-analytical study, a total of 183 CBCT images were selected randomly from archive of images in an oral and maxillofacial radiology center. The images were imported into the 3D Slicer software as DICOM data. Pulp volume, tooth volume and their ratio were calculated. Data were introduced into SPSS 17. We used T-test, ANOVA, Pearson correlation coefficient and linear regression for data analysis.
Results: The mean value of PV/TV ratio was not different significantly in relation to gender, teeth location (mandible and maxilla, right and left sides), but there was a significant difference in terms of age. Pearson correlation showed a significant negative relation between the age of the subjects and PV/TV ratio (R = -0.714). The results of regression analysis for all data and also for all of 6 age groups showed significant correlation only in the age groups of 15-19 and 50- 59 years old.
Conclusion: The results of this study showed that there was an inverse and significant relationship between PV/TV ratio and chronological age. Also, in the age groups of 15-19 and 50-59 years, it seems that regression model can be considered a reliable method to estimate age in Iranian population.
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