Cotisen Sectional Matrix System is a comprehensive restorative kit featuring Teflon-coated matrix bands, silicone and wooden wedges, and a V-shaped clamping ring – everything needed for precise, high-quality posterior composite restorations.

Kit Contents & Features:

• Teflon-coated matrix bands – anti-stick coating prevents resin adhesion, produces smoother filling surfaces and reduces plaque retention
• Ordinary matrix band – super-elastic stainless steel; restores physiological contact points, reduces overhangs, prevents food impaction
• Subgingival matrix band – extended cervical margin design for defects close to the gingival margin
• V-shaped clamping ring – secures both ends of the interdental space with precise wedge contact for accurate positioning
• Silicone & wooden wedges – stabilize the matrix band, seal the gingival margin gap, and ensure close adaptation to the tooth body

Clinical Applications:

• Posterior composite resin restorations
• Class II cavity preparations
• Subgingival cervical defect restorations

Brand: Cotisen (China)

• ✓Giomer-based bulk-fill — no separate base layer needed
• ✓Fluoride-releasing and recharging for caries protection
• ✓Radiopaque — easily detectable on X-rays
• ✓Ideal for Class I and II cavities
• ✓4mm cure depth — saves chair time significantly
• ✓Low polymerization shrinkage — reduces sensitivity