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FIG. 4: The overlay made of VITABLOCS Mark II 2.5 years after the fully adhesive FIG. 5: Bitewing x-ray of an intact inlay on tooth 17 (mo) after 14 years.
bonding

FIG. 6: Harmonious abrasion between the feldspar ceramic restoration and tooth FIG. 7: Tooth stumps 24 through 27 prepared for the full crowns
enamel after 14 years

PD Dr. Andreas Bindl (Zurich, Switzerland) documented the after five years with a survival rate of 94.6% by researchers. With a
long-term stability of an inlay of VITABLOCS Mark II in a follow- reduced stump height and an irregular stump geometry, the rate was
up examination after 14 years. The harmonious abrasive processes 92.1%, which is also indicative of the good conditioning properties
in the transition area between the restoration and the tooth and adhesion of the feldspar ceramic.
enamel can be clearly seen. PD Dr. Andreas Bindl (Zurich, Switzerland) showed two clinical
examples for the long life of crowns and endocrowns made of
CROWNS AND ENDOCROWNS: CLINICAL SUCCESS AFTER 25 YEARS VITABLOCS. In the first case, teeth 24 through 27 were prepared for
After some time, crowns and endocrowns were also manufactured full crowns and restored accordingly with VITABLOCS. The clinical
from VITABLOCS using CAD/CAM. In a dental practice in situation was documented immediately after the final integration of
Switzerland, 40 crowns and 25 endocrowns were fitted on molars in the crowns, and later after 17 and 20.5 years.
accordance with defined criteria. After 12 years, the survival rate of The second case shows the long clinical life of an endocrown on
the crowns was 95%, and for the endocrowns on more severely a severely weakened tooth 16 with reduced retention and a limited
damaged molars that had undergone root canal treatment, the rate remaining amount of enamel after a placement period of 17 years.
was 90.5%. In a clinical study of 212 full crowns and 235
endocrowns, researchers in France established a success rate after LONG TERM AESTHETICS: VENEERS AND ANTERIOR CROWNS
seven years of 98.66%. With 99.6%, the endocrowns even achieved VITABLOCS have also proven to impress in the anterior region. In
a slightly higher success rate in this case than the group as a whole. a dental practice in Germany, anterior teeth were treated almost
At the University of Zurich, molar crowns made from VITABLOCS exclusively using the feldspar ceramic with 509 veneers and partial
with a conventional macroretentive stump height were certified crowns. After evaluation of the follow-up examination after 9.5

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Dental Practice // July-August 2022 // Vol 18 No 4 49