Adults are full of rotten teeth, generally considered to be caused by serious caries, need to go to the hospital stomatology department, according to the situation of filling treatment, root canal treatment, etc., and if necessary, consider dental veneers. 1. If the adult mouth is full of rotten teeth, may be usually do not pay attention to oral hygiene, resulting in the occurrence of dental caries, and has not been paid attention to, so that caries is getting more and more serious. In general, it is recommended to cooperate with the dentist to take dental radiographs and try to keep the remaining teeth or part of the teeth for filling treatment. If the nerve of the tooth is severely damaged, root canal treatment should also be carried out to preserve the affected tooth. 2. If the teeth are completely rotten, there is no point in retaining them, they should be extracted, and veneers can be considered. Adults with a mouth full of rotten teeth, not only seriously damage the oral health, but also affect the daily eating, greatly reducing the quality of life. Once caries occurs, it is recommended to go to a regular hospital dental consultation and treatment as soon as possible, so as not to cause a mouth full of rotten teeth.