Sudden pain in the upper and lower teeth on the right side is mostly due to acute inflammation of the tooth, commonly due to acute pulpitis and proceeding apical periodontitis, which requires root canal treatment.
1. Acute pulpitis. Acute pulpitis will appear in the tooth severe spontaneous pain, pain at night, the pain usually can not be localized, the patient often can not determine whether the maxillary or mandibular tooth pain, oral examination can often be seen in the dental disease, need root canal treatment to extract the pulp.
2. Acute apical periodontitis. Pulpitis long-term untreated will form apical periapical inflammation, acute attack of apical periapical inflammation will appear severe pain, severe cases of swelling in the cheek, need root canal treatment to open the pulp drainage treatment.
Upper and lower teeth pain on the right side can also be caused by trigeminal neuralgia, specific need to go to the hospital for oral examination to determine the cause.