Patyal, A., Karpe, S., Chacko, P.K., Khandelwal, M., Singh, A. and Choudhury, D. 2022. Evaluation of efficacy of different types of retainers post orthodontic treatment: An original research. International journal of health sciences. 6, S2 (May 2022), 9372–9277. DOI:https://doi.org/10.53730/ijhs.v6nS2.7443.