The rationale of periodontal therapy is complete debridement of root surface, without healthy root surface, cure of
periodontal disease is almost impossible. So far, mechanical debridement of root surface is time-proven, evidence-based therapeutical modality. However, perioprotect may reduce the bacterial load on the root surface,and may yield some therapeutic effect. I do'nt think complete cure of periodontal disease is achievable through perioprotect.