Effect of Photodynamic Therapy on Soft Tissue Healing After Tooth Extraction at Sites of Periodontal Infection
Conditions
Interventions
- DRUG: Dental diode laser device Paiwei™(Zhengzhou Gata biotechnology Co.,Ltd.,China) which was 650-670nm with a power of 160mw-220mw.
Sponsor
The Dental Hospital of Zhejiang University School of Medicine