chronic periapical periodontitis
Conditions
Interventions
conventional endodontic microsugery (Don‘t apply "bony window" technique):None
bony window group (apply "bony window" technique):None
Sponsors
Zhejiang Chinese Medical University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1: general informationhistory of present illnessclinical dataimage datadiagnosistreatment process 2: at least 1 year follow-up
Exclusion criteria
Exclusion criteria: 1: severe periodontic endodontic lesion 2: systemic diseases affecting bone healing 3: crown-root-ratio<1:1 4: root fracture
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| measuring the periapical lesion; | — |
Countries
China
Contacts
Public ContactZheng Pei
Zhejiang Chinese Medical University
Outcome results
None listed