A female patient aged 45 years has multiple non-carious lesions and c/o sensitivity. On examination deep cervical abrasions are seen in all posterior teeth. Intra oral sinus is evident w.r.t. 24 & 25. Gingival recession is present in mandibular anterior teeth with gingival inflammation and bleeding on probing.

What is the treatment required for 24 &25: (A) RCT, (B) Apicectomy, (C) Apexification, (D) RCT followed by apical curettage
Answer is A. None