Tooth #14 O for Advanced Standing Dental Program Bench Exams – Mandibular Right First Molar, made of Ivorine. Prepared by Kilgore for a medium-sized class I cavity and ready to fill with amalgam or composite. Does not include screw. Shipped in a sealed bag. NOTE: this prep does not reflect an ideal Class I, but a larger than normal cavity design and should not used to guide you with ideal class I outline forms. It is sold for practicing large class I fillings.