Next-generation dental drills: Tribological and antibacterial behavior of AlTiN, AlCrCN, and TiCN coatings

Key Points

• The antibacterial behavior of AlTiN, AlCrCN, and TiCN coatings enhances dental drill effectiveness.
• Tests indicate that AlTiN coatings showed the most significant antibacterial activity, outperforming TiCN.
• Tribological assessments reveal that these coatings reduce friction, promoting longer tool life in various conditions.
• This study suggests that these advanced coatings may lead to better dental care with improved materials.