pulp cavity
Dental term referring to the hollow space inside a tooth that contains the dental pulp.
When the pulp cavity becomes infected, you may feel severe pain.
根管 (root canal) is the part of the pulp cavity within the tooth root; 歯髄腔 refers to the entire pulp chamber including the root canal.
Standard kanji spelling for the dental term 'pulp cavity'.
Compound of 歯髄 (dental pulp) and 腔 (cavity). The reading しずいこう is standard; しずいくう is a less common alternative reading.