Abstract: The present invention provides a dental instrument for attachment to a tooth providing a stable support for the use of other dental instruments such as those used to remove crowns. The instrument comprises a pair of arms, pivotably joined, each arm having a handle portion and an adjustable instrument mounting handle portion and an adjustable instrument mounting head portion which includes opposable tooth gripping means and a tool suitable for providing a stable support for dental instruments. The invention also provides a method of removing dental prostheses such as crowns utilizing the dental instrument of the invention as a stable support for a dental instrument used to apply pressure to the margin between the tooth and crown.