Page 12 - DT Vol 13 No 2

10-15-Mike Prosperino-Q8_6-7-8-Ivoclar.qxd 6/19/2023 7:02 PM Page 3

12 cosmetic section DENTAL TECHNOLOGY, APRIL-JUNE 2023

F FIG 16 6 F FIG 17 7 F FIG 18 8

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CLINICAL CASE 2 required for rehabilitation (Figure 28).
A 17-year-old patient presented to the office because she was dissat-
isfied with her smile, particularly the shape and colour of her cen- LABORATORY STEPS
tral incisors. On intraoral clinical examination, there was evidence We created a plaster model with the white GC Fujirock extra-hard
of a class II malocclusion with deep bite, marked tooth crowding, plaster after receiving the impressions and cleaning them with ultra-
and fracture of the upper central incisors. Specifically, the patient sonic and disinfection treatments (Figure 29).
had suffered severe blunt trauma following an accidental fall, dur- Following that, we applied the platinum foil to plaster
ing which the upper central incisors chipped in the mesial area models (Figure 30). One of the first and most essential tasks
involving the incisal angle (Figure 22). in the layering in cases like this is to restrict the flow of light
The malocclusion was corrected after about 2 years of fixed using high-opacity ceramics that prevent the excessive path of
orthodontic therapy. Still, the patient was unsatisfied with the aes- light in the incisal zones, precisely where damage is evident
thetic result, and the defect due to the previous fracture of the cen- (Figure 31).
tral incisors remained. A team with the dental technician then pro- After layering the work with polychromatic Vita Lumex AC
ceeded to study the case and to take impressions for wax-up and ceramic masses, we proceeded for model analysis and the correct
mock-up. shapes for the rehabilitation with golden powders (Yeti Dental) for
An aesthetic-periodontal evaluation revealed the need to correct the correct form and surface texture (Figure 32). Next, the ceram-
the gingival architecture to harmonise the smile. We used the ics are glazed and polished using abrasive rubbers and polishers
detailed wax-up and mockup (Figure 23) to perform mucogingi- (Figure 33). Finally, the ceramics are extracted from the platinum
val surgery (Figures 24 to 27). Next, with the dental technician, sheet. (Note the delicate structure of ceramic veneers) (Figures 34
we decided to conduct an aesthetic-functional rehabilitation using and 35). In Figures 36 to 38, we can see the ceramics cemented
ideal feldspar ceramic veneers with the minimal dental preparations in the mouth about 15 days after their cementation.

CLINICAL CASE 2

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