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What is What should be the best treatment option for the extraction socket shown in  Fig and explain in detail?
OVATE PONTICS

The extraction of a tooth entails removal of the contact point and half the interproximal embrasure; as a consequence, the papilla is not compressed but flattens out, and esthetics  are  compromised.  
The papilla can be maintained if at the time of extraction an ovate  pontic  is created  that  will provide the contact point and lateral embrasure support  that the papilla needs. 
An ovat  pontic is inserted 2.5 mm into the extraction site. The size and shape of the ovate pontic should be the same as the tooth that was extracted.  
A site preservation bone grafting procedure should be performed at the time of the extraction. If the bone levels remain stable, the papilla will also be stable. 

Key Concept
Ovate pontics are used in cases where the residual ridge is defective or incompletely healed.
Rosensteil 5th ED Page no 131,132