A fleshy growth on the rearmost side of the tooth is recommended to be viewed by a professional dentist for differential diagnosis of the disease. Common clinical situations: In the first case, the normal tissue, called the posterior molar pad, is the posterior area of the last molar, a triangular raised structure, is a normal oral tissue, do not worry too much. In the second case, it may be a blind pocket of the wisdom tooth. Sometimes the wisdom tooth cannot erupt completely, and a gum bud-like structure is formed above the wisdom tooth that cannot erupt completely, called a blind pocket of the wisdom tooth. In this case, the blind pocket can be removed to allow the wisdom tooth to erupt, and if the eruption position is still insufficient, the wisdom tooth needs to be extracted. In the third case, a swelling has grown, in which case surgery is required to take pathology for biopsy.