In modern dental restoration, the aesthetic quality of a crown or bridge is just as critical as its strength. One of the most common challenges faced by dental labs is ensuring consistent and accurate shades across zirconia blocks, especially when using multi-layer gradient blocks. Inconsistent color, deviation from VITA shade guides, or unexpected yellowing after sintering can result in costly reworks and dissatisfied patients. At HONCHON, we have developed precise manufacturing processes to guarantee shade accuracy, uniformity, and natural multi-layer gradients for every zirconia block.
Accurate replication of VITA shades is essential for clinical acceptance. HONCHON zirconia blocks undergo:
Strict pigment calibration: Each batch is tested to ensure ΔE<2 when compared to the corresponding VITA shade, ensuring clinical accuracy.
Batch-to-batch consistency: Multiple samples from different production batches are analyzed to confirm that the shade matches across lots, minimizing color variation in large-scale restorations.
Clinical feedback shows that crowns made from HONCHON pre-shaded zirconia blocks exhibit no noticeable deviation from the VITA shade guide, even in challenging anterior restorations.
For restorations requiring multi-layer aesthetic effects:
HONCHON employs precision pigment layering technology, ensuring smooth transitions across enamel, dentin, and incisal zones.
Laboratory studies indicate that the translucency and color gradient are stable, with ΔE changes remaining below 2 after sintering.
Patient cases demonstrate that multi-layer blocks produce natural-looking teeth with seamless color progression, even under bright clinical lighting.
Color deviation after sintering is a common issue in many zirconia blocks, leading to yellowing, grayness, or uneven tones. HONCHON blocks are engineered to resist these changes:
Optimized raw powder and pigment ratios prevent chemical reactions during high-temperature sintering.
Controlled sintering curves maintain color stability, preventing undesired shading effects.
Quality control confirms that post-sintering color matches pre-sintering visual and instrumental measurements.
HONCHON ensures that every batch maintains consistent shade and translucency:
Instrumental spectrophotometry checks each batch before shipping.
Any deviation beyond ΔE>2 triggers a re-inspection or adjustment.
Multi-layer blocks undergo gradient verification to ensure enamel and dentin layers remain visually harmonious across all pieces.
Shade consistency, VITA accuracy, and natural multi-layer gradients are critical for dental restorations’ aesthetics. Through carefully controlled pigment formulation, CIP-prepared dense blocks, and precise sintering curves, HONCHON guarantees that every zirconia block maintains consistent, accurate, and natural-looking color, before and after sintering. By choosing HONCHON zirconia blocks, dental labs and clinics can reduce remakes, enhance patient satisfaction, and achieve predictable aesthetic results for every restoration.
HONCHON – Your Trusted Partner for High-Quality, Pre-Shaded Dental Zirconia Blocks.
