Development disturbance originate in the odonthogenesis and begin around the 40TH week. It might occur on both dentitions. being scarcer in the primary one. Several hypotheses are mentioned for etiology of the supernumerary teeth and. https://www.nacrack.com/flash-pick-7-5ft-Heavy-Duty-Gold-Metal-Round-Wedding-Arch-Photo-Backdrop-Stand-top-grab/