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DENTAL TECHNOLOGY, APRIL-JUNE 2023
cosmetic section 13

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CLINICAL CASE 3 - MP EXPERIMENTAL TECHNIQUE BY MIKE upper incisors. We then included the upper canines to address the
PROSPERINO aesthetic defect and proportionate the new smile. Next, we made
An 18-year-old patient presented to our observation because he was the final impression before teeth preparation, using retractor wires
dissatisfied with his smile, particularly his tooth shape and interden- for a sharp reading of the gingival margin during the insertion of the
tal spaces. An intraoral clinical examination showed a class II impression material (Figures 42 to 44).
malocclusion with deep bite, multiple diastemas in the anterior Finally, we performed an aesthetic functional rehabilitation using
region, misalignment of the incisal margins with extrusion of the 4 veneers (2 on the central incisors and 2 on the canines) of felds-
right central incisor and intrusion of the right lateral incisor pathic ceramic made on platinum leaf and 2 veneers on the lateral
(Figures 39 to 41). incisors made by an innovative technique illustrated in the article.
We evaluated the possibility of orthodontic therapy to correct the After developing the extra-hard type IV plaster model from the GC
multiple diastemas in the patient. However, after a dento-skeletal company, we made a Zeiser-type model to ensure maximum stabili-
and dento-labial analysis, we inferred it would not be possible to ty and precision for the subsequent laboratory techniques to be car-
close all diastemas except with a fixed appliance and necessary ried out, particularly for this complex case (Figures 45 to 47).
interdental stripping in the lower arch. Consequently, the patient We proceeded with the platinum sheet procedure, using and fit-
decided to undergo fixed rehabilitation using ceramic veneers. ting all six components to be formed from the sheet (Figures 48 to
A team with the dental technician then proceeded to study the 50). Upon careful analysis, following the fabrication of diagnostic
case and take impressions for a diagnostic waxup and mock-up. A wax-ups, we determined that the likelihood of breaking for veneers
careful aesthetic periodontal evaluation revealed the possibility of made entirely of feldspar for elements 12 and 22 was relatively
correcting the gingival architecture to give harmony to the smile high, as the elements were petite and lacked a strong core.
without resorting to surgery but simply conditioning the gingival Therefore, a disilicate strength core (Vita Ambria) was manufac-
volumes by employing future dental veneers. We used calibrated tured by Vita Zahnfabrik and afterwards included in the veneer's
wax-up and precise direct printing of the mock-up to perform the stacking (MP Technique by Mike Prosperino).
aesthetic evaluation of the frontal region. The technique involves pressing two frameworks with the disili-
The aesthetic design assessment was initially isolated to the cate lost wax pressing method. Next, we placed and pressed the