Retained baby teeth, also known as retained primary teeth or over-retained primary teeth, refer to a dental condition where one or more primary (baby) teeth do not naturally fall out as they should when the permanent teeth are ready to erupt.

A rubber dam, also known as a dental dam or dental rubber dam, is a thin, flexible sheet made of latex or non-latex materials that is used in dentistry to isolate and protect a specific tooth or group of teeth during various dental procedures

Ancient and early dentistry indeed had some fascinating and often crude methods for treating dental issues and replacing missing teeth.