A filling is limited to outer layers of the tooth. A root canal involves the inner layers. A crown is  generally advised.

Small cavities can be filled but deep cavities that have infected the pulp of the tooth require a root canal treatment. After root canal treatment crown should be done

HELLO SIR, Filling is the procedure done when the decay that involves the first and second layer (enamel and dentin layer)… If it reaches the third layer that is a nerve layer(PULP LAYER) it leads to ROOT CANAL TREATMENT First and foremost thing is to take X-ray (IOPA) If Root canal treatment is done it is most important to go for a crown because after RCT tooth become brittle and may have chances of breaking.... ROOT CANAL TREATMENT Starts from Rs 3500/- CERAMIC CROWNS (WITH WARRANTY )-5000/-(PER TEETH) CERAMIC CROWN ( WITHOUT WARRANTY ) 3500/-(PER TEETH) ZIRCONIA CROWNS 10000/-(PER TEETH) The material of choice depends upon your affortability

Filling is done when the decay is small and  affecting only enamel and dentin portion of tooth. only the decayed portion is removed and replaced by a filling. When the decay has reached the pulp then root canal is recommended in which even the root portion gets filled.

in fiiling deacayed part of tooth is removed and cavity is filled by cement ,cost varies from 500 to 1500. per tooth. in root canal if the infection has involved whole tooth this procedure is done . infected pulp is removed and all the canals are filled with gutta percha . cost 3000 to 8000 depending on dentist.

Hello sir, when the decay of tooth doesn't involve the pulp it can be saved by a filling(Rs 500 onwards). But if the decay has already involved pulp and you are experiencing pain you need to get a root canal treatment(3500 onwards) to save the tooth. After root canal the a crown(3500 onwards) is placed to prevent any future damage to your tooth.

Good morning sir Filling is the procedure done when cavity that is decayed is in the first and second layer of tooth.It when it reaches to third layer then we have to go for root canal treatment as infection has reached our pulp tissue Yes it's important to go for crown after rct as your tooth loose its moisture after rct and becomes britle and can break through and through You can also practo consult us Regards

When the damage is severe and irreversible dentist will suggest you root canal treatment..