Dentsply Sirona Ankylos Balance C Laboratory Manual page 68

SynCone® C/
The tapered crown principle
Ankylos SynCone transfers the clinically proven
stability of the tapered abutment connection to
the abutment-prosthesis connection. This second
tapered connection ensures that the final restoration
is tightly seated minimizing gaps and micromovement.
Compared with bar restorations or other prefabricated
connecting components, SynCone tapered crowns
offer a stable and friction-locked connection that
helps to eliminate problems often associated with
edentulous jaws, such as:
• Pain of pressure of ill-fitting dentures
• Atrophy as a result of inactivity or pressure
• Continued bone loss requiring relining of
existing denture
• Design-related difficulties with the mesostructure
A connection with a tapered cone design serves as a
retaining element where the tapered cap is retained
on a tapered abutment by surface contact. When the
retention is disconnected, the prosthesis is released,
allowing for easy removal. In contrast, a parallel-
walled, telescopic design creates a friction throughout
the complete path of insertion.
Patients find it easier to insert a prosthesis with
tapered connection design, because the bottom
diameter of the tapered caps connected to the
denture is always larger than the top diameter of the
abutments.
Simplified insertion and removal of the
prosthesis with tapered abutments (left) in
comparison with parallel-walled retaining
elements (right)
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The synergy of the two tapers
The tapered TissueCare connection allows for free
360° alignment of the non-indexed abutments in any
position. This enables aligning angled abutments by
rotation until the insertion direction of the prosthesis
has been reached (staggered-taper principle).
Ankylos SynCone abutments have an integrated,
mobile straining screw so that the taper of the
abutment head can be rotated in the connection
taper of the implant as needed to form a common
direction of insertion.
Advantages for patients
The tapered crown principle effectively makes the
prosthesis into a removable bridge with:
• Very high stability
• High chewing comfort
• Reduced prosthesis base
• Improved phonetics
• Optimum hygiene capability
Creation of a common direction of insertion for
abutments with non-indexed, tapered connection
Abutment heads (1) can
be freely rotated due to
the connection taper (2).