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Deciduous pulp tissue implantation into the root canal of mandibular incisor resulted in pulp revascularization: a case report with a 5-year follow-up

  • Xiaoying Tang1
  • Jiangjinjun Xu1
  • Guangtai Song2
  • Licheng Lai1
  • Yan Huang1,*,

1The Affiliated Stomatological Hospital of Nanchang University, The Key Laboratory of Oral Biomedicine, Jiangxi Province, Jiangxi Province Clinical Research Center for Oral Diseases, 330000 Nanchang, Jiangxi, China

2Affiliated Stomatological Hospital of Wuhan University, 430000 Wuhan, Hubei, China

DOI: 10.22514/jocpd.2024.071 Vol.48,Issue 3,May 2024 pp.171-176

Submitted: 08 November 2022 Accepted: 05 January 2023

Published: 03 May 2024

*Corresponding Author(s): Yan Huang E-mail:


To explore a new method to implant deciduous tooth pulp into the canal of young permanent teeth with necrotic pulps and apical periodontitis for the regenerative endodontic treatment of tooth no: 41 in a 7-year-old male. Briefly, 1.5% Sodium Hypochlorite (NaOCl) irrigation and calcium hydroxide-iodoform paste were used as root canal disinfectant at the first visit. After 2 weeks, the intracanal medication was removed, and the root canal was slowly rinsed with 17% Ethylene Diamine Tetraacetic Acid (EDTA), followed by flushing with 20 mL saline and then drying with paper points. Tooth no: 72 was extracted, and its pulp was extracted and subsequently implanted into the disinfected root canal along with induced apical bleeding. Calcium hydroxide iodoform paste was gently placed over the bleeding clot, and after forming a mineral trioxide aggregate (MTA) coronal barrier, the accessed cavities were restored using Z350 resin composite. The root developments were evaluated via radiographic imaging at 6 months, 1 year and 5 years after treatment. Imaging and clinical analysis showed closure of the apical foramen, thickening of the root canal wall, and satisfactory root length growth. Autologous transplantation might be useful to regenerate dental pulp in necrotic young permanent teeth.


Autologous transplantation; Deciduous tooth; Pulp; Regeneration

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Xiaoying Tang,Jiangjinjun Xu,Guangtai Song,Licheng Lai,Yan Huang. Deciduous pulp tissue implantation into the root canal of mandibular incisor resulted in pulp revascularization: a case report with a 5-year follow-up. Journal of Clinical Pediatric Dentistry. 2024. 48(3);171-176.


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