Ribbond® Bondable Reinforcement Ribbon

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Composite/Fiber Restorations

 

Photos courtesy of: Isaias Iniguez, D.D.S., Los Algodones, B.C. Mexico

 


Here are two presentations by Dr. Graeme Milicich presented at the Academy of Biomimetics annual meetings
the first shows a Ribbond-direct Composite on an Endo premolar
and the second Ribbond cores for premolars and molars, a technique discussion.

 


Slide show technique for: Treating Split Tooth Syndrome

 


Why and how Ribbond composite restorations work
Published research articles confirm that incorporating Ribbond into composite restorations provides the following benefits.

INCREASED MICRO-TENSILE BOND STRENGTH
The micro-tensile bond strength of the composite is significantly increased when Ribbond is closely adapted and bonded against the cavity walls.

MITIGATING THE HARMFUL EFFECT OF C-FACTOR
The increased micro-tensile bond strengths decreases the negative c-factor effects.  This phenomenon is especially evident with deep and narrow Class I restorations.

MINIMIZES POLYMERIZATION AND DECREASES SHRINKAGE AND LEAKAGE 
Polymerization shrinkage can result in leakage, and sensitivity.  Closely lining the preparation with Ribbond significantly reduces and minimizes these harmful effects of polymerization shrinkage.   Because the Ribbond is closely adapted to the cavity walls, there is less volume of composite to shrink and less polymerization shrinkage results in less leakage and less sensitivity.

BRIDGING CRACKS ON PULPAL FLOOR
Ribbond bridges the cracks that are commonly seen in the pulpal floor of old amalgam restorations.  Ribbond acts like staples across the cracks and holds the parts of the tooth on both sides of the crack together. 

RELIEVES CAUSES OF SYMPTOMS OF SPLIT TOOTH SYNDROME
Split tooth syndrome has been predictably successfully relieved when Ribbond has been used as a buccal-lingual cross cusp splint under the occlusal surface to bridge cracks.  The cross cusp Ribbond splint prevents the parts of the split tooth from moving.

INCREASED FRACTURE TOUGHNESS
Ribbond fiber reinforcements greatly increases the fracture toughness of dental composite restorations.  Ribbond’s unique combinations of fixed nodal intersections and tough ultra-high molecular weight polyethylene fibers inhibits and prevents crack propagation it composite resin.

STRESS DISTRIBUTION AND ENERGY ABSORPTION MECHANISM
Ribbond acts as a stress distribution and energy absorption mechanism.  It minimizes the stress concentrations by distributing forces over a greater area, which prevents crack formation and propagation. It also absorbs the energy from repeated occlusal impacts.

FAIL-SAFE DESIGN. 
Studies demonstrate that if a crack starts in a Ribbond lined composite restoration, the crack is redirected.  If this crack leads to failure, the restoration/tooth complex fails safely and the tooth can be retreated. In the case of standard composite restorations techniques; when the restoration/tooth complex fails, it tends to fail catastrophically and the tooth must be extracted.

The links below reference published studies supporting these performance characteristics

C-Factor; Crack bridging; Cross cusp splinting; Monoblock in root canals

Micro leakage in over-flared canals - Additional micro-leakage photos

Ribbond

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email: ribbond@ribbond.com

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