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MINERVA STOMATOLOGICA

A Journal on Dentistry and Maxillofacial Surgery


Official Journal of the Italian Society of Odontostomatology and Maxillofacial Surgery
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Minerva Stomatologica 2008 September;57(9):423-8

language: English

Root surface treatment with vitamin C in tooth replantation: microscopic study in rats

Panzarini S. R. 1, Poi W. R., Pedrini D. 1, Sonoda C. K. 1, Brandini D. A. 1, Luvizuto E. R. 2

1 Discipline of Integrated Clinic Department of Surgery and Integrated Clinic Araçatuba Dental School São Paulo State University, Araçatuba, SP, Brazil
2 Department of Surgery and Integrated Clinic Araçatuba Dental School São Paulo State University, Araçatuba, SP, Brazil


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Aim. Late tooth replantation is a worthy procedure, especially in growing patients, being the best option for tooth avulsion. This study evaluated the effects of root surface treatment with 2% acidulated phosphate sodium fluoride and effervescent vitamin C (Redoxon®) in late replantation.
Methods. Twenty rat teeth (Rattus norvegicus, albinus, Wistar) were extracted and left on a table for 6 h. Then, the dental papilla and enamel organ were sectioned and the pulp was removed through the apex. After removal of the periodontal ligament with a blade, the animals were divided into 2 groups: Group I – teeth were immersed in 2% acidulated phosphate sodium fluoride solution for 10 min and obturated with Ca(OH)2 paste. Group II – teeth were immersed in effervescent vitamin C solution (Redoxon® 2 g) for 10 min and obturated as for Group I. After these procedures, teeth were replanted and animals were killed after 60 days.
Results. The study revealed a larger amount of replacement resorption in Group I and larger amount of ankylosis in Group II, with statistically significant difference and absence of inflammatory resorption.
Conclusion. The substances used for root surface treatment were unable to prevent replacement resorption and ankylosis, which are expected when the periodontal ligament has been lost.

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