Int J Stomatol ›› 2020, Vol. 47 ›› Issue (3): 336-344.doi: 10.7518/gjkq.2020042

• Reviews • Previous Articles     Next Articles

Pulp and periodontal ligament healing of tooth avulsion replantation: from biological basis to guidelines

Ma Xindi,Chen Lei()   

  1. Dept. of Oral Emergency, Stomatological Hospital, Southern Medical University, Guangzhou 510220, China
  • Received:2019-07-05 Revised:2019-12-09 Online:2020-05-01 Published:2020-05-08
  • Contact: Lei Chen E-mail:13660087016@163.com

Abstract:

Tooth avulsion is a serious traumatic tooth injuries and is characterized by the complete displacement of the tooth from its alveolar socket due to trauma. The avulsed tooth has severe damaged pulp and periodontal tissue, and the treatment plan is immediate replantation to its original position with possibility of periodontal ligament regeneration and pulp revascularization. However, the prognosis of tooth avulsion is influenced by many clinical factors. In some cases, the complications are unavoidable even with standardized treatments for avulsed tooth according to the recommended guidelines of the International Association of Dental Traumatology (2012) and American Association of Endodontics (2013). Basing on the advancement in biological research and some clinical cases, this review attempts to help clinical doctors understand and apply the guidelines into practice.

Key words: tooth avulsion, pulp healing, periodontal ligament healing, biological basis, the guidelines to treat tooth avulsion

CLC Number: 

  • R782.12

TrendMD: 

Fig 1

Rapid inflammatory resorption occurred on the tooth without root canal therapy"

Fig 2

Part of root canal obliteration"

Fig 3

Schematic diagram of periodontal healing"

Fig 4

Surface resorption"

Fig 5

Ankylosis and replacement resorption"

Fig 6

Case of replacement resorption"

Fig 7

Replacement resorption of root and resorption of alveolar bone"

Fig 8

Ankylosis inhibits vertical growth"

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