Browsing by Author "Singh, Preeti"
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Publication Assessment of Number of Cusps and Occlusal Groove Pattern in the Primary Mandibular Molars: An Observational Study(Nepal Medical Association, 2025) Pradhan, Megha; Singh, Preeti; Ranjan, Anu; Joshi, Ujjwal; Prasamsa ChhetriAbstract Introduction: Primary mandibular molars have diverse morphological variations. This trait of human dentition is very important for restoring the anatomy of the tooth as well as for the anthropological study to characterize the ethnicity. Anatomical landmarks like the cusp, groove and ridges vary even among same species.The study was aimed to assess the number of cusps and occlusal grooves in primary mandibular molars of children. Methods: An observational cross-section study was conducted among pediatric patients in the Outpatient Dental Department of a tertiary care center from October 2023 to March 2024. Fully erupted primary mandibular molars in children aged 3-6 years were included . Intraoral examination of the patient were performed using Gregory WK criteria . A convenience sampling method was used. The point estimate was calculated at a 95% Confidence Interval. Results: Among 303 patients, the study showed 118 (38.94%) left and 106 (34.98%) right primary mandibular first molar had four cusps and a 'Y' groove pattern. Among the 303 subjects, male 58 (34.12%) were having a 4Y pattern followed by 46 (27.06%) 4X pattern, while in 48 (36.09%) 4Y pattern followed by 45 (33.83%) 4X pattern was seen. Conclusions: The result in present study showed Y groove pattern in occlusal surface of primary mandibular molars with four cusps that can be related with conservative pattern of deciduous molar in context of Nepali population.Publication Mean Distance of Mental Foramen from Inferior Border of Mandible among Patients Visiting the Outpatient Dental Department in a Tertiary Care Centre(Nepal Medical Association, 2023) Singh, Preeti; Adhikari, Biplob; Koju, Sushmit; Gupta, Sujaya; Pradhan, Megha; Gurung, Deepa; Joshi, UjjwalAbstract Introduction: Among many anatomical landmarks in the human skull, the mental foramen is a stable landmark on the mandible. The diverse morphology of the mandible indicates the specific characteristics of such anatomical structures in each individual. The aim of this study was to find out the mean distance of mental foramen from the inferior border of the mandible visiting the Outpatient Dental Department in a tertiary care centre. Methods: A descriptive cross-sectional study was conducted among patients undergoing orthopantomogram in the Outpatient Dental Department of a tertiary care centre from 3 February 2022 to 31 July 2022. Ethical approval was obtained from the Institutional Review Committee. The patients with complete denture in the region of measurements were included in the study. A convenience sampling method was used. The point estimate was calculated at a 95% Confidence Interval. Results: Among 207 patients, the mean distance from the inferior border of the mandible to the lower border of the mental foramen was 11.83±1.83 mm (11.58-12.07, 95% Confidence Interval). Conclusions: The mean distance of mental foramen from the inferior border of the mandible was found to be similar to other studies done in similar settings.Publication Oral Potentially Malignant Disorders among Patients Attending the Department of Oral Medicine and Radiology of a Tertiary Care Dental Hospital: A Descriptive Cross-sectional Study(Nepal Medical Association, 2022) Gurung, Deepa; Joshi, Ujjwal; Chaudhary, Bikash; Singh, PreetiAbstract Introduction: Despite oral cancer being a common cancer in Nepal, little is known about oral potentially malignant disorders which have a high likelihood of malignant transformation. This study aims to find out the prevalence of oral potentially malignant disorders among patients attending the Department of Oral Medicine and Radiology of a tertiary care dental hospital. Methods: A descriptive cross-sectional study was carried out among 611 patients from 14th January, 2021 to 15th July, 2021 at the Department of Oral Medicine and Radiology of a tertiary care centre after receiving ethical clearance from the Institutional Review Committee (Reference number: 2306202002). Convenience sampling was done. Patients aged 18 years and above were enrolled into the study. Follow-up cases and patients requiring emergency treatment were, however, excluded. All demographic data, cancer and dietary history and clinical examinations were recorded. Descriptive analysis was done using Statistical Package for the Social Sciences version 22.0. Point estimate was done at a 95% Confidence Interval for frequency and percentages for binary data. Results: Among 611 total participants, the prevalence of oral potentially malignant disorders was found to be 26 (4.25%) (2.65-5.85 at a 95% Confidence Interval), where males were 19 (73.07%), females were 7 (26.92%), and 23 (88.46%) of them had history of consuming various forms of tobacco, areca nut, and alcohol. Conclusions: The prevalence of oral potentially malignant disorders in this hospital-based study was found to be lower than previous studies conducted in similar settings.