Case2 Acute attack of chronic peripheral inflammation

1. Acute attack of chronic periapical inflammation,before the treatment
2. Opening dentin into pulp for conduction and antiinflammation,filling root canal by using CHITAI after root canal disifection,postoperatively
3. Acute attack of chronic periapical inflammation,before the treatment
4. Overfilled the root canal with CHITAI after root canal disinfection,postoperatively