Dental phosphoric acid etching agent
Dental phosphoric acid etchant is a 35% phosphoric acid gel etchant suitable for enamel and dentin etching. It has bright blue high visibility, ideal viscosity and thixotropy, precise operation without flow, easy to rinse without residue, effectively improves bonding effect, and is an ideal choice for clinical restoration.
35% phosphoric acid gel, precisely creates the best bonding surface
Core Features
| Project | Illustrate |
|---|---|
| Concentration and type | 35% phosphoric acid etchant (gel) |
| Scope of application | Enamel and dentin erosion |
| Bonding mode | Total-etch or Selective-etch |
| Unique advantages | ► Ideal viscosity: precise positioning without flowing ► Bright blue for high visibility ► Thixotropic gel does not clog the needle ► Rinse without residue |
Procedure
- Tooth preparation
- Tooth preparation is complete → Rinse with clean water → Oil-free compressed air drying
- Apply the etchant
- Enamel: Apply acid etchant 20-30 seconds
- Dentin: Apply acid etchant 15-20 seconds
- Rinse and dry
- Rinse the etchant thoroughly → Oil-free compressed air blow dry
Clinical Technical Guidelines
Scientific basis of acid etching time
| Tooth tissue | Best time | Clinical considerations |
|---|---|---|
| Enamel | 10-30 seconds (not more than 30 seconds) | ► >30 seconds will reduce the physical strength of enamel ► 15 seconds of acid etching has reached the highest bonding strength, and there is no gain if the time is extended |
| Dentin | ||
| – Milk teeth | 5-10 seconds (optimal 7 seconds) | ► Acid etching for 15 seconds will reduce the bonding strength |
| – Permanent teeth | 10-20 seconds (standard 15 seconds) | ► Elderly people over 55 years old: can be extended to 30 seconds (excessive acid etching will reduce the bonding strength and physical strength of dentin) |
Product Design Advantages
- Bright blue gel: The surgical area is clearly identifiable to avoid omission or excessive acid etching
- Semi-gel texture: No flow, no spillage, precise control of acid etching range
- Thixotropy：Good fluidity when extruded and maintains shape when left standing
- Residue-free formula: After thorough rinsing, the bonding interface is not affected
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