Chronic periapical inflammation
Conditions
Interventions
Control group:Perform root canal preparation according to conventional root canal treatment, seal the radiation-blocking calcium hydroxide paste, take CBCT to observe the shape near the apical hole be
The bleeding and hemostasis time of apical foramae were observed under microscope and dipped with paper tip. iRoot BP was filled as the apical barrier material, followed by root canal backfill and cro
Laser group:According to the conventional root canal treatment, the root canal was prepared, the radiation-blocking calcium hydroxide paste was sealed, and the morphology near the apical foramen befor
Sponsors
Peking University School and Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
18 Years to 50 Years
Inclusion criteria
Inclusion criteria: 1. A single anterior canal tooth or premolar with apical pore diameter greater than 1mm with chronic periapical inflammation caused by incomplete development or apical absorption; 2. Lesion diameter 3mm-10mm; 3. People aged 18-50 years with healthy periodontal health; 4. No diabetes and other systemic diseases affecting the healing of apical lesions;
Exclusion criteria
Exclusion criteria: 1. The patient is under 18 years old 2. Pregnant or lactating women 3. Smokers have more than 10 cigarettes per day 4. Patients with severe periodontitis and poor oral hygiene 5. Multiple adjacent affected teeth suffer from periapical inflammation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Effect of Nd-YAP laser in promoting healing of periapical lesions after apical barrier surgery; | — |
Secondary
| Measure | Time frame |
|---|---|
| The quantity of bacteria after Nd-YAP laser disinfection in apical area;Effect of Nd-YAP laser on removal of granulation in apical area during apical barrier surgery;Hemostatic effect of Nd-YAP laser on apical area during apical barrier surgery; | — |
Countries
China
Contacts
Public ContactGong Weiyu
Peking University School and Hospital of Stomatology
Outcome results
None listed