Usmile Smile Plus Electric Toothbrush Heads [New] Dynamic Gum Care 3.0 Replacement Heads 2-Pack Compatible with Y30 Y30PRO Adult Electric Toothbrushes

Brush Head Design

• Island-style high-density, highly polished rounded bristles for thorough cleaning and tooth protection
• Dynamic dorsal fin design for better access to narrow and deep oral areas
• Soft, antibacterial food-grade silicone cushioning (25% thicker than previous generation) for shock absorption and gum protection
• ≥90% bristle polishing rate to reduce oral tissue damage
• Hidden interface with FDA food-grade soft silicone for safe oral use

Bristle Types and Functions

• Dynamic Whitening: Custom Galaxy bristles with special particles to break down stains (actual whitening effect varies)
• Dual Deep Clean: Custom diamond-shaped bristles for increased cleaning area and cavity prevention
• Gentle Care: Soft, antibacterial silver ion-infused bristles for sensitive gums (non-therapeutic)

Size and Fit

Hygiene and Maintenance

• Smart fading bristles indicate when replacement is needed (recommended every 3 months)
• One-piece seamless silicone design reduces bacterial accumulation

Certifications and Patents

• Multiple Chinese utility model patents for cushioning technology (ZL202123203607.4, ZL202123195656.8)
• FDA certification for soft silicone materials

Additional Notes

• Avoid counterfeit brush heads which may cause damage due to poor materials and design
• Laboratory data sourced from usmile internal testing and Zhongshan University Pharmaceutical College (Shenzhen)
• Regular replacement advised to prevent bacterial buildup and maintain oral health