Have you tried consulting with John Brisson of Fixyourgut? He has helped me a lot and I too have digestion issues and several holistic dentists see cavitations in my mouth. You must be in fair health before undergoing any surgery, which John can help you with. Two supplements that have also helped me in improving my health are "Regulat" and liposomal vitamin C. You must do your own research for best results, seek the help of experts that you can afford, and be skeptical of everything that is not proven.