The invention provides a tubular dental mold form with at least one scalloped end and a method, utilizing the form, for forming a universal crown in situ on a tooth stump. In a preferred form, scalloped edges, of different depths, are formed at both ends and are circumferentially offset on one end with...http://www.google.com.tw/patents/US5385469?utm_source=gb-gplus-share專利 US5385469 - Method for forming a coronal replacement for a tooth and product for casting the crown
