Teeth drilled holes have a foul odor, mostly due to dental caries to form cavities, bacteria fermentation inside the teeth to produce a foul odor.
Teeth with holes are often seen in poor oral hygiene conditions, bacteria invade the teeth to form cavities, food debris can be embedded in the holes, in the bacterial fermentation, will produce sulfide triggered odor.
After removing the decayed tooth tissue inside the cavity with special instruments and cleaning the cavity, the odor will be removed. If the pulp vitality is normal, resin filling can be used; if it causes inflammation of the pulp, root canal treatment is needed to fill the cavity.
Odor after drilling holes in the teeth is recommended to consult a doctor in a timely manner, cooperate with the doctor to actively treat, in order to maintain oral and dental health.