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Treatment of replacement resorption by intentional replantation, resection of the ankylosed sites, and Emdogain--results of a 6-year survey.

Abstract
The present clinical study investigated the outcome of intentional replantation using resection of the ankylosed sites of the root, extraoral endodontic treatment using titanium posts and Emdogain for periodontal healing following trauma-related ankylosis. During an evaluation period of 6 years, 16 ankylosed teeth affected by replacement resorption were treated as described. Evaluation parameters before treatment and during the follow-up period included Periotest scores, percussion sound and periapical radiographs. All findings were compared to those of the adjacent teeth. In a second accident, one tooth was lost after 7 months and was excluded as a dropout. Ankylosis did not recur in seven replanted teeth, which were observed for an average of 52.3 months (range: 24-68 months). Ankylosis recurred in eight teeth after an average period of 12 months (range: 4-26 months). An infraocclusion, normal or only slightly reduced Periotest scores and normal percussion sound were preoperatively found in six of seven successfully replanted teeth, which corresponded to a relatively small area of ankylosis. The majority of the teeth showing recurrent ankylosis preoperatively presented with normal position, negative Periotest scores and a high percussion sound which corresponded to an extended area of ankylosis. Statistically significant relationship between preoperative findings and the treatment outcome (P = 0.031) have become apparent. The results indicate that the treatment of minor areas of ankylosis by intentional replantation, resection of the ankylosed sites and Emdogain appeared to prevent or delay the recurrence of ankylosis in 7 of 15 teeth.
AuthorsAndreas Filippi, Yango Pohl, Thomas von Arx
JournalDental traumatology : official publication of International Association for Dental Traumatology (Dent Traumatol) Vol. 22 Issue 6 Pg. 307-11 (Dec 2006) ISSN: 1600-4469 [Print] Denmark
PMID17073922 (Publication Type: Journal Article)
Chemical References
  • Dental Enamel Proteins
  • Root Canal Filling Materials
  • enamel matrix proteins
Topics
  • Adolescent
  • Adult
  • Child
  • Dental Enamel Proteins (therapeutic use)
  • Humans
  • Longitudinal Studies
  • Root Canal Filling Materials (therapeutic use)
  • Secondary Prevention
  • Time Factors
  • Tooth Ankylosis (drug therapy, prevention & control)
  • Tooth Replantation (adverse effects)
  • Tooth Resorption (drug therapy)

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