Tevdek sutures used in endodontics microsurgeries should not be left:

Over recent years, suture material choice has moved from black silk to Tevdek braided polyester or monofilament polypropylene sutures such as Protene. Post-operative Management: Sufficient healing have occurred after 48 hours for suture removal; however, it should not be left longer than 96 hours due to 'wicking effect' that may cause post-operative infection of the surgical site.