Document Detail


Osseointegration at implants placed into delayed reimplanted roots: An experimental study in dogs.
MedLine Citation:
PMID:  23289823     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
AIM: To evaluate peri-implant bone repair of implants placed into the roots of delayed reimplanted teeth, in a process of ankylosis and external replacement resorption. MATERIAL AND METHODS: The third and fourth mandibular premolars of four (4) beagle dogs were used as experimental sites. The study was divided into three stages: stage 1 - endodontic and extraction/reimplantation session, stage 2 - decrowning session and stage 3 - implant placement. Two groups were identified: (I) immediate implants, including implants installed in fresh extraction sockets of the distal roots, and (II) experimental implants, including implants installed into the retained ankylotic mesial roots. In each group, 16 implants were planned to be inserted, but only 9 immediate implants and 12 experimental implants were used for analyses. Implants were intended to heal in a submerged mode. After 4 months of healing, the animals were sacrificed and ground sections were obtained for histomorphometric evaluation. RESULTS: Eleven of the twelve implants in the experimental group were found successful regarding clinical and radiographic aspects. For immediate implants, a lower BIC% was found at the coronal portion (BIC% 1 = 42.2%) compared with the three most coronal threads portion (BIC% 2 = 55.1). Also, experimental implants presented a lower BIC% at the coronal portion (BIC% 1 = 36.9%) compared with the three most coronal threads portion (BIC% 2 = 45.3). CONCLUSION: Comparison between groups showed a higher degree of BIC% and mineralization in immediate group compared with experimental group. The differences, however, did not yield statistical significance.
Authors:
Leandro de Carvalho Cardoso; Wilson Roberto Poi; Daniele Botticelli; Idelmo Rangel Garcia Junior; Fabio Pantani; Cassiano Costa Silva Pereira
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-7
Journal Detail:
Title:  Clinical oral implants research     Volume:  -     ISSN:  1600-0501     ISO Abbreviation:  Clin Oral Implants Res     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9105713     Medline TA:  Clin Oral Implants Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2013 John Wiley & Sons A/S. Published by Blackwell Publishing Ltd.
Affiliation:
Oral Surgery and Implantology, EAP- Goiás Dentistry Improvement School, Goiania, Goiás, Brazil.
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