Will make cracks and chips invisible! Use only the latest equipment and high quality polymers with different viscosity! depending on the damage! With high penetrating power. Serverlevel exclusively DD carbide burs manufactured in Germany. Please note that the professionals make drilling in 5000 to 10000 rpm.min. so we have Bor machine repair glasses with ESC. Use lamps for drying (USA), bulb Japan for rapid polymerization (5 minutes). Performed repair with observance of all technological process. A guarantee on their work, give six months.