Reddy, Manchala, 		Shetty, Shishir, 		Shetty, Raghavendra, 		Vannala, Venkataramana, 		Sk, Shakeel, AND 		S, Rajasekar.
" Focus on periodontal engineering by  3D printing technology – A systematic review." <em>Journal of Oral Research</em> [Online], Volume 9 Number 6 (2 December 2020)