Permanent dental prosthesis and method

In a base structure for a dental prosthesis wherein the base structure is of the type which is permanently securable in a gap between spaced first and second teeth in the mouth of a patient and comprises first and second anchor elements securable on said first and second teeth, respectively, in said gap and a base element securable to said first and second anchor elements when they are secured on their respective teeth to retain said base element in a position wherein it extends therebetween, the improvement comprising said base element comprising first and second base element portions which are receivable in interfitting relation with said first and second anchor elements, respectively, so that they are nonrotatable relative to said anchor elements, respectively, about an axis which extends in a direction between said first and second anchor elements and permanently securable to said first and said anchor elements, respectively, and which are received in interfitting relation and rotatable with respect to each other and slidble in telescoping relation with respect to each other in said direction to enable said base element to be adjusted to fit the width of said gap and to compensate for misalignment of said anchor elements.