The attached x-ray is dark and is not give a proper description. How about a lot of bone loss is seen. Tooth number 26 represents the first molar in the upper left side and 46 represent the first molar in the lower right side A deep cleaning with degranulation and bone graft is an appropriate treatment for your case failure of which will eventually cause loosening of these teeths. Also suchh deep pockets and bone loss at this young age of 26 is suggestive of aggressive periodontitis. The ultimate treatment of the case lies in finding out the cause for the boneless

Opg picture is not very clear. But yes bone loss can be seen in the 46 region. As suggested by your doctor bone grafts may help but a clinical examination and IOPA of that area is must before we draw a conclusion. Consult a periodontist.