A patient presents with pain from tooth 4.7 which is an abutment for a 4 unit bridge from 4.4 to 4.7. Clinical and radiographic examinations reveal tooth 4.7 has extensive distal caries and apical rarefying osteitis. The most appropriate initial management is to

section the bridge at 4.4, remove 4.7 crown and assess 4.7

prescribe an antibiotic and an analgesic and reappoint the patient

perform endodontic therapy through the 4.7 crown.

remove entire bridge and assess restorability of abutments.