Kamio N, Gomyo N, Matsushima K. Successful Pulp-Preserving Treatment for Peri-invagination Periodontitis of Double Dens Invaginatus With Oehlers Type IIIA and IIIB: A Case Report. J Endod. 2021. 47. 9. 1515-1520
Izawa M, Tsujimoto Y, Matsushima K. Effective EDTA concentration for removing smear layer and smear plugs after using ultrasonic tips in microendodontic therapy. The International journal of Microdentistry. 2013. 4. 114-120