Spoon Excavator (Flat Handle) – used to remove dental plaque from tooth surfaces or, during dental clinical procedures, to scoop, excavate, or scrape tissues or materials; suitable for removing soft tissue from tooth pits or affected tissue.
Main Technical Specifications
Appearance: The surface shall be free of sharp edges, burrs, and cracks. The spoon-shaped head shall be symmetrical.
Working End: The mouth of the spoon shall have a sharp edge without chipping.
Connection Strength: For head-handle assembled spoon excavators, the connection between the head and the handle shall be firm and able to withstand a tensile force of 294 N without loosening.
Material and Hardness: The spoon excavator shall be made of 32Cr13Mo, 40Cr13, or 12Cr18Ni9 steel as specified in GB/T 1220. Those made of 32Cr13Mo or 40Cr13 shall be heat-treated, with a hardness requirement of 510–620 HV.
Corrosion Resistance: The spoon excavator shall have good corrosion resistance, meeting at least grade B requirements of the boiling water test specified in YY/T 0149, section 5.4b.
Surface Roughness: The Ra value of the surface shall not exceed 0.8 μm (excluding the spoon edge and knurled handle).
Product Structural Features
The product consists of a double-ended integral design and a head-handle assembled design. The handle is knurled to provide a secure grip, allowing easy rotation during use without slipping.
Usage and Operating Method
Examine the tooth area requiring the clinical procedure and select the appropriate spoon excavator.
The operator holds the spoon excavator and removes soft tissue from tooth pits or affected tissue.
