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Fig 2 Fig 3

Fig 4 Fig 5

MATERiALS AND METHODS laboratory furnace.
Prosthesisation was performed on Branemark Ø4.1-compatible The treatment was carried out to dissipate any tension introduced
external hexagonal connection implants. into the metal material during milling and it is used to reduce the risk
A Trios 3 Pod intraoral scanner manufactured and sold by 3Shape of cracks in the ceramic when firing it.
was used.
The scan abutments were designed, developed, and manufactured RESULTS
by TQM srl. When delivering the finished work, we observed optimal structure/
CAD modelling and aesthetic finalisation were carried out by the fixtures fit and full passivity during the Sheffield test. 6 months later, we
dental laboratory Zirkonlab while exocad’s version Galway software observed the absence of gingival retraction, health of the periodontal
was used for CAD modelling. tissues and optimal cleanliness level of the prosthesis.
The aluminium verification jig, the full PMMA anatomy and the The same conditions were found in the subsequent checks even 3
final chromium-cobalt structure were manufactured by the TQM years later, at the time of writing of this article.
production facility. The absence of cracks or marks on the aesthetic material confirms
Mikron HSM200U LP was the machine used for milling metal the correct interface between the Magnum Solare alloy and the
components, while the PMMA anatomy copy was made using a model ceramic material, a bond also promoted by the heat treatment carried
DWX-51D Roland milling machine. out after milling. The polishability of the Magnum Solare milled alloy
HyperDENT version 8.2 was the CAM software used for all milling contributes towards maintaining the health of the gingival tissues due
productions. The aluminium used for the trial structure is Magnum to the poor bacterial adhesion on this surface.
Ergal manufactured by MESA.
The Chromium-Cobalt used for the final structure is Magnum LiMiTS
Solare also manufactured by MESA. The financial investment by all professional parties involved is
The thermal relaxation treatment and normalization of the objectively high, and this could hinder transition from an analogue to a
chromium-cobalt alloy was carried out in a Dekema Austromat 3001 digital setup. Furthermore, beware not to underestimate the investment

Dental Practice i March-April 2024 i Vol 20 No 2 27