Prognosis of intentional replantation of vertically fractured roots reconstructed with dentin-bonded resin

J Endod. 2004 Mar;30(3):145-8. doi: 10.1097/00004770-200403000-00005.

Abstract

There is no particular treatment established to preserve vertically fractured teeth. We evaluated the long-term prognosis of the intentional replantation of 26 vertically fractured roots after reconstruction with 4-META/MMA-TBB dentin-bonded resin. Replanted teeth were evaluated according to clinical criteria and radiographic examinations for periods ranging from 4 to 76 months. Eighteen cases were functional and retained, with six fully successful; the others needed further observation. Eight cases failed to respond to treatment because of refracture, recurrence of gingival inflammation, or both. Longevity was calculated as 88.5% at 12 months after replantation, 69.2% at 36 months, and 59.3% at 60 months. All failures occurred in premolar and molar teeth. Longitudinal fractures extending more than 2/3 from the cervical portion toward the apex showed significantly shorter longevity compared with fractures within the 2/3 area (log-rank test, p = 0.02). Intentional replantation of vertically fractured roots reconstructed with dentin-bonded resin may be considered for incisors as an alternative to extraction, although the long-term success is not optimal.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Aged
  • Boron Compounds / therapeutic use
  • Dental Restoration Failure
  • Dentin-Bonding Agents / therapeutic use*
  • Female
  • Humans
  • Male
  • Methacrylates / therapeutic use
  • Methylmethacrylates / therapeutic use
  • Middle Aged
  • Prognosis
  • Resin Cements / therapeutic use*
  • Survival Analysis
  • Tooth Fractures / surgery
  • Tooth Fractures / therapy*
  • Tooth Replantation*
  • Tooth Root / injuries*

Substances

  • Boron Compounds
  • Dentin-Bonding Agents
  • Methacrylates
  • Methylmethacrylates
  • Resin Cements
  • Super-bond