Objective: Vaccines were considered as one of the most important public health measures during the coronavirus disease 2019 (COVID-19) pandemic. The aim of this study was to quantify and compare restorative dental practices of geriatric patients during pre-pandemic, prevaccination, and post-vaccination periods. Materials and Methods: Dental records of patients aged older than 65 who presented to Bursa Oral and Dental Health Training and Research Hospital were included in the study. Restorative dental practices during the three periods: pre-pandemic period (01.01.2019−10.03.2020), pre-vaccination period (11.03.2020−13.02.2021) and post-vaccination period (14.02.2021−01.09.2021) were reviewed according to the patient’s age (young-old, middle-old and old-old), sex, tooth number (anterior and posterior), restoration type (occlusal, proximal, or cervical) and the type of restoration material (amalgam or composite). Results: Anterior restorations accounted for more than half (53%) of all restorations in the pre-COVID-19 pandemic period and 46.5% and 55.4% of restorations in the pre- and post-vaccination periods, respectively. The distribution of posterior amalgam restorations in the prepandemic period (31.5%) was higher than the pandemic period; in contrast, the composite restorations were higher during the pandemic pre-vaccination (73.9%) and post-vaccination (76.3%) periods (p<0.001). The males (odds ratio (OR): 1.17, 95% CI: 1.03-1.34, p=0.02) and middle-old (OR: 0.79, 95% CI: 0.64-0.96, p=0.019) were more likely to use restorative dental services as compared to females and youngold age, respectively. Conclusion: Vaccination had a noticeable effect on increased admissions of geriatric patients and restorative dental treatments compared to the pre-vaccination period. In addition, in the post-COVID-19 vaccination period, composite restorations seem to have replaced amalgam restorations.