White aluminum oxide powder 30-50micro for dental air abrasion
In the evolving landscape of modern restorative dentistry, the demand for precision, tissue conservation, and patient comfort has never been higher. Traditional rotary instruments, while effective, often generate heat, vibration, and micro-fractures in tooth structure. Enter our White Aluminum Oxide Powder (30-50 Micron) – a premium-grade abrasive meticulously engineered for advanced dental air abrasion systems. This product bridges the gap between minimally invasive ideals and clinical reality, offering practitioners unparalleled control over enamel and dentin removal.
PHYSICAL PROPERTIES-White aluminum oxide powder 30-50micro for dental air abrasion
| Specific Weight | 3.96 g/ cm3 |
| Mohs Hardness | 9.0 |
| Crystal form | α-Al2O3 |
| Melting Point | 2250℃ |
TYPICAL CHEMICAL ANALISIS [%]-White aluminum oxide powder 30-50micro for dental air abrasion
| Al2O3 | Fe2O3 | SiO2 | FeO | MgO | CaO | TiO2 | Na2O | K2O | LOI |
| 99.2-99.6 | 0.03-0.10 | ≤0.02 | / | ≤0.01 | ≤0.01 | / | 0.20-0.30 | ≤0.02 | < 0.09 |
Optimal Particle Size: The 30-50 Micron Advantage
The efficacy of air abrasion hinges on particle dynamics. Our 30-50 micron white aluminum oxide occupies the “sweet spot” for restorative procedures. Unlike coarser grits (e.g., 90 microns) that remove dentin aggressively but risk excessive tissue loss, or finer powders (e.g., 27 microns) that may lack cutting efficiency, this mid-range fraction delivers a balanced, predictable cutting action. It is aggressive enough to efficiently cut enamel for pit-and-fissure sealants or cavity preparation, yet gentle enough to selectively remove carious dentin without damaging healthy tooth structure. This precision allows clinicians to perform “laser-like” preparations while preserving maximum natural tissue.
Superior Material Purity and Hardness
Our white aluminum oxide is composed of high-purity alpha-alumina (Al₂O₃), characterized by its angular, sharp-edged morphology. This shape is critical: fractured edges create micro-cutting surfaces that cleanly ablate tooth material rather than grinding or burning it. Key material advantages include:
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High Mohs Hardness (9.0): Efficiently cuts both enamel (Mohs 5) and dentin (Mohs 3-4) without excessive particle breakdown.
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Chemical Inertness: Non-reactive with oral tissues, composites, or bonding agents. No silica-related health concerns.
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White Purity: The pristine white color provides excellent visual contrast against tooth structure, enhancing intraoral visibility and ensuring complete debris removal.
Clinical Applications
This 30-50 micron powder is a versatile workhorse suitable for numerous indications:
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Minimally Invasive Cavity Preparation: Ideal for Class I through Class V preparations, especially in pediatric dentistry where reducing patient anxiety is paramount.
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Enamel Micro-Abrasion: Removes superficial fluorosis stains or decalcified white-spot lesions without rotary instruments.
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Fissure Sealant Preparation: Etch-free or enhanced retention – air abrading creates a micromechanically retentive surface superior to traditional pumice.
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Orthodontic Bracket Bonding: Roughens enamel for higher shear bond strengths, reducing bracket failure rates.
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Old Restoration Removal: Safely abrades composite, glass ionomer, or cements without damaging opposing teeth.
