crown preparation

Metal-ceramic crown (also known as PFM—porcelain fused to metal) consists of: A cast metal base for strength and durability A porcelain overlay for esthetics and biocompatibility Metal-ceramic crowns remain a trusted solution in posterior restorative dentistry—offering both the durability of metal and the beauty of porcelain. But crafting the foundation for a successful restoration begins long before cementation. It starts with a well-executed preparation, powered by the right sequence of diamond burs.Let’s walk through the full clinical workflow of posterior metal-ceramic crown prep and explore how each diamond bur plays a pivotal role.   🦷 Understanding Metal-Ceramic Crowns These restorations...

When you're navigating the intricacies of modern restorative dentistry, the tools you select can make or break the outcome. Among those tools, the diamond bur remains a clinician’s essential companion—especially during high-stakes crown preps or detail-critical finishing tasks. Today, we turn the spotlight on two underrated heroes: the Double Conical, Symmetrical, Short Diamond Burs in 3.3 mm and 3.5 mm diameters with medium grit. Small Differences, Big Impact While 0.2 mm may seem trivial, the variation between these two burs can mean the difference between access and accuracy—or speed and subtlety. 3.3 mm Bur: Smaller Diameter allows for tight-space maneuvering. Ideal...

In restorative and cosmetic dentistry, clear access to the cervical margins of teeth is essential for accurate diagnosis, preparation, and treatment. One of the most effective tools for achieving this is gingival retractor—a device designed to gently displace the gingiva and expose the working area. Among the trusted names in dental instrumentation, Osung USA offers a line of gingival retractors that combine ergonomic design with clinical precision.   What Are Gingival Retractors? Gingival retractors are dental instruments used to separate and protect the gingival tissue during procedures such as: Crown and bridge preparations Composite restorations Impression taking Cavity preparation near the gum...