Pain in a Molar or Tooth
Scholars have said that if someone dreams of pain in a molar or a tooth, it may indicate that they will hear unpleasant words from a relative associated with that specific tooth in interpretation. They might also be treated harshly, commensurate with the pain experienced.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.