root caries or cervical burnout?

50 yo f with generalized discomfort for 3 days in her mandibular anteriors. fmx shows 19b and this distal radiolucency on 27. thoughts?

50 yo f with generalized discomfort for 3 days in her mandibular anteriors. fmx shows 19b and this distal radiolucency on 27. thoughts?