When treating dentistry, the dentist must remove the carious part of the tooth, and then fill the material to repair the defective tooth. However, 10% to 15% of the filling will fail, and the filling used is not equipped to make the tooth heal itself. Function and even side effects. In view of this, researchers have developed a filler made of synthetic biological materials that can stimulate the growth of stem cells in the dental pulp and repair damaged areas. This filler can stimulate the proliferation of stem cells If the fillings of future fillings are made of such regenerative materials, it will reduce the failure rate of fillings and also reduce the pain of dental pulp patients. From this we can infer:. ['People will no longer suffer from tooth decay in the future.', 'People will no longer be troubled by dental caries in the future.', 'Newly developed fillings to stimulate damaged teeth to heal.', 'Newly developed dental fillings can promote the growth of dentin.']