Teeth with holes inside the stink is often due to dental caries or congenital developmental abnormalities caused by the teeth, did not lead to endodontitis resin filling, endodontitis need root canal treatment. 1. Resin filling: the normal form of the teeth does not exist in the dentin defects have holes, teeth with holes in the odor may be the emergence of caries bacteria multiply in the hole fermentation or congenital developmental anomalies of food embedded in the hole caused by the odor, did not penetrate into the pulpal cavity triggered by pulpitis, the need for professional instruments to grind off the infected dentin tissues inside the cavity, resin filling to restore the teeth to its normal form. 2. Root canal treatment: If the tooth has penetrated the pulp cavity and spontaneous pain occurs, it means that pulpitis has occurred, and the bacteria inside the cavity fermented and oozed out the liquid and produced a bad smell, so it is necessary to carry out root canal treatment, and then resin filling or crown restoration can only be carried out when there is no symptom. Teeth with holes inside the very bad smell is recommended as soon as possible to deal with dental diseases, so as not to aggravate the symptoms of damage to oral health.