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Background <p>External root resorption is a pathologic process starting from the root surface of the tooth. At present, there are few reports about the treatment of vital pulp preservation in the tooth with external root resorption.</p> Case presentation <p>A 14-year-old Asian female visited the hospital of the present authors, complaining of the dentition was irregular. The results of CBCT revealed extensive ERR in the middle third of the root of tooth #16 and tooth #15 was impacted. After treatment, tooth #15 was removed, and the vital pulp of tooth #16 was preserved. The patient had no discomfort and was ready for future orthodontic treatment.</p> Conclusion <p>This paper reports the cases of extracorporeal resorption of tooth #16 caused by impacted tooth #15 combined with EMS and VTP during impacted tooth extraction. This report aimed to describe the causes of ERR and provide a viable potion to treat ERR in selected cases. Nevertheless, further clinical trials are needed for its long-term result.</p>

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Treatment of a first molar with external root resorption in the middle third using endodontic microsurgery and vital pulp therapy: a case report

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月8日

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  • Yue Zhao,
  • Shuangshuang Ren,
  • Mingyue Cheng,
  • Chao Liu,
  • Sufeng Zhao,
  • Leiying Miao

摘要

Background

External root resorption is a pathologic process starting from the root surface of the tooth. At present, there are few reports about the treatment of vital pulp preservation in the tooth with external root resorption.

Case presentation

A 14-year-old Asian female visited the hospital of the present authors, complaining of the dentition was irregular. The results of CBCT revealed extensive ERR in the middle third of the root of tooth #16 and tooth #15 was impacted. After treatment, tooth #15 was removed, and the vital pulp of tooth #16 was preserved. The patient had no discomfort and was ready for future orthodontic treatment.

Conclusion

This paper reports the cases of extracorporeal resorption of tooth #16 caused by impacted tooth #15 combined with EMS and VTP during impacted tooth extraction. This report aimed to describe the causes of ERR and provide a viable potion to treat ERR in selected cases. Nevertheless, further clinical trials are needed for its long-term result.