Patent ID: 6890177
Filing Date: 2005-05-10
Classification: A61C

Abstract:
1. A non-cord method of retracting gum tissue in preparation for taking an impression comprising: (a) preparing a tooth for restoration; (b) controlling any bleeding occurring with respect to any cut tissue in the gingival sulcus area; (c) placing an amount of an impression material into the groove of a dental dam made of a porous material; (d) covering the prepared tooth with a layer of said impression material; (e) placing the trough of the dental dam filled with the impression material onto the prepared tooth covered with the impression material; (f) requiring the patient to apply a biting pressure onto the dental dam; (g) permitting the impression material to penetrate the porous material of the dental dam; (h) maintaining the biting pressure on the dental dam until the impression material has set; and (i) removing the dental dam with the impression material attached from within the patient's mouth.