The interdental open gingival embrasures were accurately reproduced in the final impression using addition silicone impression material
(Reprosil, Regular Body, Dentsply, USA) in an acrylic custom tray (DPI, Self-cure, India) that extended from incisal edges to vestibular sulcus in the maxillary anterior region (Figure 2).
Pratten DH and Craig RG: Wettability of a hydrophilic addition silicone impression material.
Linear dimensional change in addition silicone impression material.
General reviews of rubber impression materials by Craig (1977), Harcourt (1978), and McCabe and Storer (1980) have been published, as have a status report on polyethers (Council on Dental Materials and Devices, 1977) and an appraisal of addition silicone impression materials (McCabe and Wilson, 1978).