Aim of the studyOral cancer ranks in the top three of all cancers in India and is quickly becoming a global health priority. More than 90% of oral and oropharyngeal cancers are squamous cell carcinoma. The purpose of this study was to document its incidence depending upon the involvement of different sites of oral cavity, and its variation with age and gender.Material and methodsHistopathologically proven oral squamous cell carcinoma cases were collected from the department of oral and maxillofacial surgery RDC, PIMS. The cases were systematically grouped under three headings: anatomical sub-site of oral cavity, age group, and gender, which were analysed to calculate the prevalence of oral cancer. The study was undertaken after obtaining approval from the institutional Ethical Committee board.ResultsAmong the different sites of oral cavity, the highest incidence (31.47%) of oral squamous cell carcinoma was seen for buccal mucosa in our study. The most affected age group (39.50%) were patients above 50 years old, predominantly involving males.ConclusionsThe population in this study were mostly from remote areas, among which a high rate of occurrence of oral cancer was encountered because the people were of low socio-economic class, had a casual attitude towards their health, high rate of tobacco consumption, and limited health care facilities. This study provides valuable data of the prevalence of oral cancer among the rural population.

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Background: COVID-19 disease is a global phenomenon that is exerting its influence on a lot more than just health sector. Colleges, Institutes, and Schools were also part of the lockdown that followed the outbreak. Educational institutes have shifted from classroom teaching to online teaching-learning platforms. Aim: The study aimed to assess teachers' and students' experiences on online teaching during the COVID-19 pandemic at university dental teaching hospital Pune, India. Methodology: The study design was a cross-sectional questionnaire-based study. The research setting was online. Eligibility Criteria of the study were the teaching staff of the College who had taken to online teaching and undergraduate students who had attended online classes. Custom-made questionnaire link using 'Google form' was sent to teachers and students through WhatsApp and E-mail. Results: 63% of students and 90% of staff responded with the questionnaires. During COVID-19, 96.7% of teachers and 98.4% of students had used Zoom as an online teaching platform. 25.6% of teachers had experienced network issues as the main problem. 90% of staff did not prefer online teaching over classroom teaching. 10% of teachers did prefer online teaching during the COVID-19 pandemic.  82.4% of students didn't prefer an online learning method. The most common difficulties faced by students were network issues. Conclusion: Knowledge of teachers' and students' experiences on online teaching is important to overcome the issues faced by them. Teachers' opinions are vital for improvising and dealing with issues with online teaching. The result of this study can be used as a guide for improving effective online teaching.