FREQUENTLY ASKED QUESTIONS
WHAT IS THE BEST WAY TO INCORPORATE C SHAPE INTO MY OFFICE?
The most efficient way to incorporate the system in your practice is to see how name restorative packs you have and place one handle in each pack so it can go through the normal sterilization cycle and be ready with your other instruments when you need it. So you or your assistants can just place the silicone tips as needed before you start treatment.
The best way to have your silicone tips ready for use. Place one box of round and one box or flat tips into each operatory. Before treatment just get the tip you need from the seal packaging and place on handle end. Discard the tip after use and sterilize handle.
WHAT ABOUT CURING DEPTH AND STRESS DURING CURE?
There is actual research going on at the University of Alabama materials department that is studying why there is better response in depth of cure and more dimensionally stable composites with the c shape.
Hypothesis is that,
1. Composite compressed is denser and so is harder and more stable
2. No gaps means more of composite is bonding to the prepared tooth surface, so stronger and less room for instability
3. No micro voids between layers
4 These factors working together with newer composites that better properties to begin with.
However until the research is finished we won't be able to say which of these factors or all of them or none of them are leading to better results in our clinical settings.
DO I HAVE TO USE A SPECIFIC COMPOSITE?
You do not!
C-Shape has been thoroughly tested with a wide variety of different composites that range from esthetic to bulk fill to different brands of hybrid composites. The curing depths and physical properties were at par or better than manufacturer claims. We attribute this to the pressed and dense state of composite in the cavity before cure. The research at UAB materials department, which is going on now, will be able to shed more light on our hypothesis. Our findings were noted in the dental office treating real live patients after multiple thousands of fillings gave a 99 percent success rate.
IS THE C SHAPE SYSTEM LIKE A BULK FILL SYSTEM?
The C-Shape system encourages the placement of one bolus of composite as this reduces the amount of micro gaps between layers. However the most important aspect of this system is COMPRESSING THE COMPOSITE. The silicone tip gives the operator the ability to really press the composite into the cavity without pitting or pullback. The dense mass is more stable during cure and stronger for the patient as a restoration.
WILL COMPOSITE STICK TO THE SILICONE TIP
No. With these tips, there is no pullback. You can also wet the beak with a lubricating agent such as a bond or alcohol which allows you to freely burnish the composite Before Curing!!
CAN THE C SHAPE BE USED WITH MATERIALS OTHER THAN COMPOSITE?
To place sealants and to place bone graft materials and membranes to scaffold grafts.
Traditionally explorers, micro brushes, and cotton tip applicators were used with sealants. With C-Shape you get that textbook sealant. "I can feel it but can't see it"!!
Also the shape of the flat tip is perfect for the membranes we use to hold graft materials and the fact that silicone does not stick to these materials is very helpful to shorten the procedure time and make it less tedious for the operator. Particularly in hard to reach/see areas.