If her health is good ..go for implants(fixed dentures)but it is too costly ..number of implants depends on bone condition..for that u need one full mouth xray ..

You can go for dental implants For cost patient clinical and radiographic evaluations requires

In your case patient not having any antagonist teeth to bite on and it must be very difficult for her to fulfill proper nutritional need. For fixed teeth in your case only option left is implant supported fixed prosthesis. We need to evaluate her systemic and  oral condition. Type of bone, quantity,quality,density of bone,bite and jaw relation; accordingly we chalk out the best treatment option available..we can't draw  estimate without doing complete evaluation as ( lot of variables)we need to know type,number of implants required along with additional procedure for same, type of prosthesis we are going to deliver as per her condition and individual need and duration available is of equal importance..

If controlled diabetes or no history of diabetes can go for implant. Price range varies between wide range,you need to consult personally.

Hello there, As there are wide range of treatment modalities, materials, available in dentistry, its impossible to give u approximatel budget of the treatment so I would recommend u to go for direct private consultation on practo,tell Dr about ur expectations, reports of the investigation u have done and get the solution at ur fingertips! Regards.