Hello! How are you doing? This unfortunate is a situation I see very often as I see and redo dental work constantly, usually recently done as well. Your actually very right, and the front teeth, your centrals especially were prepped and had porcelain veneers placed that are high into the gums. The problem is that the body has a common distance between the bones in our jaws and the teeth that needs to be present to have the natural maintenance of the bone and gum health of the mouth. When the porcelain is too close to the bone, or in some cases, touches the bone, the body senses this as foreign, and the body will actually fight the foreign material, and cause the inflammation cycle. In order to get the health of your gums back, the two central veneers should be evaluated by a dentist that understands these principles, and it appears you will need to have minor gum tweaking to shape the gums and bone to correct the smile frame and then see if replacing the veneers are necessary. In addition, I always tell people, veneers should look natural...If someone says Nice Veneers! this is the worst thing someone can say. I want all my patients to look great and natural, and have people guessing what they did. Even some of my whitest smiles that we created look natural, as we make them work in the smile frame, and more importantly, in the face of each person to bring out their beauty!All the best, Dr. Husam Almunajed DMD, MS