Innovative use of Single-stage Secondary Impression in treating Oral Rigidity due to Submucous Fibrosis

Abstract

Restricted mouth opening of a patient presents a great challenge in prosthodontic rehabilitation, especially with complete dentures. Making an adequate border molded secondary impression is crucial in the success of such prostheses. Numerous techniques exist for making impressions in cases of microstomia. All of them involve sectional impressions and extraoral reorientation of the segments. Peripheral seal is compromised in these procedures. This article is laid out to explain how preserving border seal by using single-stage impression is by far the best technique found in the Prosthodontic literature to eliminate the cumbersome sectional impression method. A new method of preserving the seal by means of an impression recorded at a single stage is proposed.