<prompt>  A female patient aged 45 years has multiple non-carious lesions and co 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.Any investigations required?IOPAR w.r.t. 24 25Percussion and palpation testBite testPulp vitality tests 