A full-mouth series of radiographs was taken, and the pictured radiolucencies were observed on the distal of #30 and mesial of #31. She stated that she was having some sensitivity to thermal changes in the lower right portion of her mouth.
Based
on these clinical findings, what may be the likely etiology of these
radiolucencies:
internal resorption
caries
lateral periodontal abscess
periodontitis