Abstract: A matrix ring comprising a ring body and a pair of opposing tips mounted to the ends of the ring body. Each of the tips may be movably coupled to the ring body about an axis of rotation. Optionally, or alternatively, the tips may be removably mounted to the ring body. For example, the ring body may include a pair of opposed spaced apart ends each with a tine mounted at each end. Further, at least a portion of the matrix ring may be formed from a bulk amorphous alloy.