Singh Kunwarjeet, Modified Direct Transfer Coping Technique for Making Impression of Closely Placed Implants, Journal of Dentistry And Oral Implants, Volume 2, Issue 2, 2019, Pages 18-22, ISSN 2473-1005, https://doi.org/10.14302/issn.2473-1005.jdoi-19-2908. (https://openaccesspub.orgjdoi/article/1148) Keywords: periodontal ligament