For the pain you can have pain killer or you can keep cold water in the mouth. This will help. If the pain is there because of decay, then putting clove oil or keeping a clove in the mouth will help. Some times pain is there because of food impaction in the decayed part and for this brushing and flossing will help but you have to visit the dentist asap. If you want to know more about home remedies for dental pain then you can visit the following link in our website... http://www.identalhub.com/articlecategory-home-remedies-for-dental-pain-41.aspx