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Telescopic technique is used e.g. for shockabsorbing or the transmission
of highly mechanical forces. In dental technology, telescopes are used as
retaining elements. The advantage of telescopic dentures is an easy repair
proposition after the extraction of a supporting tooth although we may
have to look for other technical solutions in the case of large abutment
divergences. Another disadvantage is a higher loss of dentine material in
the supporting teeth due to preparation (approx. 1.8 mm) to obtain a better
result of the double crowns from an aesthetic point of view. In any case,
a shoulder preparation is the best precondition.
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