Fear of dental treatment is most common in the medical field with 60–80% of people being afraid of visiting the dentist. The recent outbreak of the pandemic caused by corona virus (COVID-19) has brought about a drastic change in every facet of life and additional fear and anxiety to patients in general. The current study was conducted to assess the change in anxiety and fear among dental patients while getting treated during the coronavirus disease (COVID-19) outbreak. In addition, patient’s additional fear of getting infected, their sectional study was conducted using an online survey from 6th March 2020 to 7th June 2020. A well-constructed questionnaire was designed with google survey form and the online link was shared and validated. A total of 500 participants from different parts across Tamil Nadu responded. After scrutiny, completed questionnaires (n = 491) were included in the study.Statistical analysis was performed using nMaster 2.0.Kruskal-Wallis test was applied to assess the relation of dental treatment response during Covid- 19 with respect to gender and educational level, anxiety of patient before and after the pandemic, place of visit for dental treatment prior and after pandemic, fear of spread of infection from dental treatment and knowledge about safety protocols followed in the dental clinics.More than two-thirds of the public (98%) questioned, were anxious and scared by the devastating effects of COVID-19. A large number of patients (99%) were aware of recent changes in the treatment protocols. Despite having a high standard of knowledge, dental patients are in a state of anxiety and fear while getting treated during the COVID-19 pandemic. Several dental patients have either taken medications rather than treatment and if needed preferred only emergency treatment.