METHOD FOR COLORING DENTAL CERAMIC, AND COLORING SOLUTION FOR DENTAL CERAMIC

• Main Authors: YAMAMOTO KOJI, ONODERA MIZUHO, NAGAOKA KENTO, AKIYAMA SHIGENORI, HOKII YUSUKE
• Format: Patent
• Language: English; Japanese
• Published: 03.04.2024
• Subjects: APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE; ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; DENTISTRY; HUMAN NECESSITIES; HYGIENE; LIME, MAGNESIA; MEDICAL OR VETERINARY SCIENCE; METALLURGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

To provide a dental ceramic coloring method that forms a gradient inside the dental ceramic by a single coloring process with one coloring liquid.SOLUTION: A coloring method for coloring a dental ceramic includes a step for contacting the dental ceramic with a coloring solution, wherein the coloring solution contains at least two metal ions showing a difference between the standard redox potentials of 0.5-4.0 inclusive.SELECTED DRAWING: Figure 3 【課題】１つの着色液を用いた１回の着色工程で歯科用セラミックの内部にグラデーションが形成される歯科用セラミックの着色方法を提供すること。【解決手段】歯科用セラミックを着色する着色方法であって、歯科用セラミックに着色液を接触させる工程を有し、前記着色液は、標準酸化還元電位の差が０．５以上４．０以下である少なくとも２種の金属イオンを含む。【選択図】図３