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The International Journal of Oral & Maxillofacial Implants
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Int J Oral Maxillofac Implants 23 (2008), No. 3     15. May 2008
Int J Oral Maxillofac Implants 23 (2008), No. 3  (15.05.2008)

Page 520-524, PubMed:18700377


Implant Failure in Young Children with Ectodermal Dysplasia: A Retrospective Evaluation of Use and Outcome of Dental Implant Treatment in Children in Sweden
Bergendal, Birgitta / Ekman, Agneta / Nilsson, Peter
Purpose: This study surveyed dental implant treatment in children up to age 16 years in Sweden between 1985 and 2005, with special reference to young children with ectodermal dysplasia (ED) and anodontia in the lower jaw.
Materials and Methods: A questionnaire was sent to Swedish specialist clinics in oral and maxillofacial surgery and prosthetic dentistry. Also, the teams who had treated children with ED were asked to submit their records for these children for a discussion on reasons for implant failure.
Results: Six out of 30 specialist centers (20%) in Sweden had treated 26 children with dental implants between 1985 and 2005. Twenty-one patients had received 33 implants to replace teeth missing from nonsyndromic agenesis or trauma at ages 14 or 15 years; 2 (6.1%) of these implants were lost. Five children with ED received 14 implants at 5 to 12 years of age; 9 (64.3%) of these implants were lost before loading.
Conclusions: Dental implant placement has been a rarely used treatment modality in Swedish children less than 16 years old in the last 20 years. The failure rate in children treated because of tooth agenesis was only slightly higher than that reported for adult individuals, whereas in young children with ED and anodontia in the mandible, implants seemed to present special challenges, and the failure rate was very high. The small jaw size and peroperative conditions, rather than ED per se, were thought to be the main risk factors. Centralizing implant operations in young children with ED and monitoring outcomes in implant registers are strongly advocated.

Keywords: children, dental implants, ectodermal dysplasia, failure, rare disorders