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Fig 12-14: The upper and lower arch prosthesis designed in the exocad Fig 13
software

Fig 14 Fig 15: The entire prosthesis screwed into the patient’s mouth

Fig 16a Fig 16 Fig 17
Fig 16-17: Final prosthesis milled in monolithic zirconia

or teeth setting trial this time, as we could use Sheffield one-screw test was used to check bases and implants. The patient was followed
the PMMA the patient is already wearing as the passivity of the prosthesis, after which the up at 1, 3, 6, and 12 months post-delivery of
a reference. The lab designs the prosthesis screws were torqued to 15 Ncm. The access the final prosthesis. A CBCT and OPG were
according to the PMMA design by scanning holes were filled with a temporary material. ordered after 12 months to check for any
it with the analogues in the intaglio surface. Minor occlusal corrections were made to bony changes in the peri-implant bone, and
This gives all the necessary information from ensure that we achieved a group function it was observed that no bone resorption was
our side, including occlusion, smile line, lip type of occlusion and verified that no contacts seen (Figure 19). Additionally, soft tissue
line, and aesthetics. Once the scanning is occurred during lateral excursive and evaluation showed healthy tissue, and the
done, the PMMA is returned to the patient protrusive movements. The final prosthesis patient finally regained confidence to chew
to wear until the final prosthesis is milled was then screwed intraorally and ready for and smile (Figure 20).
in monolithic zirconia (Figures 16 and 17). use by the patient (Figure 18). The occlusion
Again, the prosthesis design is done using was checked again for bilateral simultaneous DISCUSSION
EXOCAD software. Once the final prosthesis contacts, and the patient was instructed to This clinical report details a monolithic
is ready in multilayer monolithic zirconia, maintain good oral hygiene and follow up. zirconia full-mouth implant rehabilitation.
the tie bases are glued extraorally in the The postoperative OPG was evaluated for The primary advantage of using monolithic
laboratory to the zirconia prosthesis. The the final seating of the prosthesis over the tie zirconia is the decreased risk of porcelain

Dental Practice I July-August 2024 I Vol 20 No 4 35