Identify the abnormality from this

Identify the abnormality from this

Best Treatment plan for this premolar

What should  be best  treatment plan for this premolar?
Clinically , hardily any tooth structure remains with no occlusal height and crown strucutre.
Please any body suggest the best treatment plan for this particular RVG.

Root canal treatment with curved canal is challenging but not immpossible

Root canal treatment with curved canal is challenging but no immpossible.

Root Canal Treatment with curved canal takes time for biomecahnical  preparation , master cone selection and obturation also .Here is post obturation RVG with upper right second premolar.

Re rootcanal treatment with central incisor having draining sinus

Re rootcanal treatment with central incisor having draining sinus

Patient  reported with this type of radiographic view  and draining sinus with same tooth with pocket oin facial side. We have decided to undergo repeat root canal with this tooth.
This is RVG showing total length of the tooth .
RVG showing master cone with same tooth which is over extended approx. 2.5 mm. SO we cut it short for the exact sung fit.
Final RVG immediately after obturation and patient is under examination for two weeks.

Re rootcanal treatment with open apex central incisor

Re rootcanal treatment with open apex central incisor

Patient  reported with this type of radiographic view  and draining sinus with same tooth.
This is RVG showing total length of the tooth with open apex.
RVG showing master cone with same tooth.
Final RVG immediately after obturation.

 

Root canal treatment

Root canal treatment is also a colloquial term for a dental operation, endodontic therapy, wherein the pulp is cleaned out, the space disinfected and then filled.

Structure of normal tooth

RVG of extracted tooth with gutta percha points