The traditional repair materials such as silver amalgam, glass ionomer, composite resin, etc. can be chosen for the medullary floor perforation, and MTA (Mineral Trioxide Aggregate) can also be chosen as the material with better effect. 1. Traditional repair materials: such as silver amalgam, glass ions, composite resin, etc., are used to repair small perforations at the base of the ventricle, and have a certain effect. 2. MTA (mineral trioxide aggregate): it is better to use MTA to repair the perforation at the bottom of the medullary chamber; MTA has good biocompatibility, good closure, promotes the regeneration of hard tissues, and also has no neurotoxicity, which makes it a more ideal filling material for perforation at the bottom of the medullary chamber. It is best to go to the hospital in time to choose the better repair material MTA, which is conducive to the normalization of the perforated medullary floor.