Int J Stomatol

Int J Stomatol ›› 2023, Vol. 50 ›› Issue (6): 623-631.doi: 10.7518/gjkq.2023099

• Expert Forum •     Next Articles

Application of partial crown reattachment in complicated crown-root fractures of permanent anterior teeth in children

Wu Li’an   

  1. State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Dept. of Pediatric Dentistry, School of Stomatology, the Fourth Military Medical University, Xi’an 710032, China
  • Received:2023-04-13 Revised:2023-08-27 Online:2023-11-01 Published:2023-10-24
  • Contact: Li’an Wu
  • Supported by:
    Shaanxi Provincial Key Research and Development Program for International Collaboration(2021KWZ-26);Shaanxi Provincial Health Research Innovation Ability Improvement Plan Team Support Project(2023TD-01);Special Project from National Clinical Research Center for Oral Disease(LCC202204)

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Abstract:

Complicated crown-root fracture is a serious type of dental trauma, involving dental hard tissues, tooth pulp and periodontal tissues. The most commonly recommended treatment methods by International Association of Dental Traumatology (IADT) include orthodontic extrusion, surgical extrusion, intentional replantation and adhesive coronal fragment reattachment, etc. The common feature of these treatment methods is to extract the broken coronal fragment, expose the fracture line and make the restoration. However, the extraction itself and the subsequent treatments will cause various problems, which severely compromise and challenge the long-term prognosis. Recently, we tried a technique including non-extraction of the coronal fragment and partial coronal fragment reattachment. I.E., the coronal fragment was retained instead of extraction, and the reattachment was only performed along the supragingival fracture line and subgingival fracture line across pulp cavity side only, while the subgingival fracture line across periodontal side was left untreated. Our technique, basing on the concept of periodontal preservation, and aiming at simplifying the operation procedure, reducing the re-injury to periodontal tissues to the greatest extent, and decreasing subsequent pe-riodontal complications as possible, has got satisfying clinical manifestation so far. However, the adhesive strength of the partial coronal fragments reattachment and their long-term prognosis need to be observed and evaluated further.

Key words: children, permanent anterior teeth, complicated crown-root fracture, coronal fragment, partial coronal fragment reattachment

CLC Number: 

  • R 788+.4

TrendMD: 

Fig 1

Intraoral crown reattachment of young permanent tooth with complicated crown-root fracture"

Fig 2

Extraoral crown reattachment of mature permanent tooth with complicated crown-root fracture"

Fig 3

Schematic diagram of the partial crown reattachment technique in complicated crown-root fractured permanent teeth"

Fig 4

Treatment of complicated crown-root fracture in young permanent teeth with partial crown reattachment technique"

Fig 5

Treatment of complicated crown-root fracture in mature permanent teeth with partial crown reattachment technique"

Fig 6

Treatment strategy for complicated crown-root fractures of permanent teeth in children"

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