a clinical trial will be made to investigate the effect of locally applied injectable prf (iPRF) plus vitamin D on the periodontal pockets in stage III periodontitis patients
Patients with healthy systemic condition.
Adult patients ˃ 18 years old.
Patients with Stage III periodontitis.
Patients accept 3-month follow-up period (cooperative patients).
Presence of prosthetic crowns.
Extensive interproximal restorations.
Periodontal therapy within the last 12 months.
Having undergone surgical periodontal therapy or undergoing orthodontic treatment.