證據來源 · Source
Wolf TG, Anderegg AL, Wierichs RJ, Campus G. Root canal morphology of the mandibular second premolar: a systematic review and meta-analysis. BMC Oral Health.…
https://pubmed.ncbi.nlm.nih.gov/34134669/
證據來源 · Source
https://pubmed.ncbi.nlm.nih.gov/34134669/