The eyeglasses frame is provided with spaced engaging parts. An armature is provided having sufficient flexibility to be aligned with the jawbone and engaged along the upper portions of each of the plurality of dental implants seated in the jawbone. The borane-tetrahydrofuran complexes exhibit enhanced shelf life and increased self-accelerated decomposition temperatures. A plurality of communication holes axially penetrates one of the inner circumferential portion and the outer circumferential portion.