case_images: PMC5996655_01
case_images: Casts poured from sectional impressions
case_images: NJMS-9-90-g002.jpg
case_images: PMC5996655_01_NJMS-9-90-g002.jpg
case_images: F2
case_images: They were poured in improved dental stone and casts thus obtained were labeled as Cast A and Cast B [Figure 2]. A saw cut was made between 35 and 36 at a 90  angle to the central fossa of 36 and median groove of 35 on both the sectional Casts A and B [Figure 2].
case_images: Sectioned casts joined to make a working cast
case_images: NJMS-9-90-g003.jpg
case_images: PMC5996655_01_NJMS-9-90-g003.jpg
case_images: F3
case_images: The portions A1 and B2 were joined with cyanoacrylate resin (Fevikwik) [Figure 3].
case_images: Palatally based guidance interim prosthesis at closure
case_images: NJMS-9-90-g004.jpg
case_images: PMC5996655_01_NJMS-9-90-g004.jpg
case_images: F4
case_images: The prosthesis was inserted in patient's mouth, was worn during the healing period till the completion of definitive guiding prosthesis [Figure 4].
case_images: Cameo surface of the prosthesis
case_images: NJMS-9-90-g005.jpg
case_images: PMC5996655_01_NJMS-9-90-g005.jpg
case_images: F5
case_images: It was finished and polished after 8 h to allow polymerization shrinkage to occur and residual stresses to release [Figure 5].
case_images: Guidance prosthesis during closure
case_images: NJMS-9-90-g006.jpg
case_images: PMC5996655_01_NJMS-9-90-g006.jpg
case_images: F6
case_images: The prosthesis was tried in the patient's mouth and care must be taken not to impinge the gingivae of maxillary teeth [Figure 6].