Background: We face various problems while measuring the Clinical attachment level (CAL) from Cemento-enamel junction (CEJ). This study aims to record and compare the CEJ location measurements using a xed reference point (FRP) [Custom made stent] before and after ap elevation. Materials and Methods: A custom made stent and UNC-15 probe were used. https://oxfordshopes.shop/product-category/accessories-cuff-links/