Imran Samejo, Aamir Mehmood Butt, Muhammad Amin Sahito.
A survey on current impression techniques and materials used for complete denture fabrication practiced by private dental practitioners in Sindh.
Pak Oral Dental J Jan ;36(1):144-7.

The purpose of the study was to evaluate which impression materials and techniques are used by private dental practitioners for fabrication of complete denture in Sindh, Pakistan. In this cross-sectional study, structured questionnaires consisting of 10 questions regarding complete denture impression materials and techniques was prepared and randomly distributed among 150 dentists in Sindh, Pakistan. The response rate was (85%) in this survey. (78%) practitioners used stock metal tray for primary impressions. The irreversible hydrocolloid was the material of choice for preliminary impression by (76%). Custom tray for final impression by (89%). Self cure acrylic resins was the most commonly used material for the custom tray fabrication by (92%). Custom tray was made few days prior to make final impression by (82%). Close-fitting trays was preferred by (75%). Mucocompressive technique was the most predominant impression philosophy (77%). The most common materials of Choice for border molding and final impressions were modeling plastic impression compound (90%) and zinc oxide eugenol paste (89%) respectively. Concerns and issues regarding the non-use of latest impression materials and techniques related to complete denture impressions as well as a lack of understanding of the related concepts of participants were observed.

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