1.Irreversible pulpitis of young permanent teeth 2.Acute and chronic periapical periodontitis of young permanent teeth
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Young permanent teeth aged 8-15 years, clinically and radiologically diagnosed with pulp necrosis or periapical periodontitis; 2.Healthy body, no systemic diseases; 3.Root development is in Nolla stage 7-9; 4.Treatment with autologous venous blood pulp revascularization surgery; 5.Complete preoperative and postoperative medical information (clinical symptoms, signs, imaging data); 6.The patient has good compliance and has been followed up for more than 3 years;
Exclusion criteria
Exclusion criteria: 1.Missing key data in medical records (such as follow-up images and efficacy records); 2.Merge other oral diseases (such as dental trauma, jawbone lesions); 3.Those who did not use parallel projection method for root tip photography and had significant image deviation in imaging examination, which cannot be corrected;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Root length;Apical foramen;Root canal wall thickness; | — |
Countries
China
Contacts
Affiliated Stomatological Hospital of Nanchang University