PMID: 9537736Apr 16, 1998Paper

Effect of inferior alveolar nerve axotomy on periodontal and pulpal blood flow subsequent to experimental tooth movement in rats

Acta Odontologica Scandinavica
V Vandevska-RadunovicS Kvinnsland

Abstract

The aims of this study were to evaluate the effect of inferior alveolar nerve (IAN) axotomy on periodontal (PDL) and pulpal blood flow incident to experimental tooth movement and to investigate whether nerve fiber regeneration coincides with blood flow changes. The first right mandibular molar was moved mesially for 3, 7, and 14 days after ipsilateral IAN axotomy in 29 rats. Four rats served as unoperated controls. At the end of each experimental period fluorescent microspheres (FM) were injected into the left ventricle and thereafter counted in serial sections in the PDL and pulp of the right and left first mandibular molars. The number of FM per tissue volume was taken as a measure of blood flow. Re-innervation of nerve fibers was mapped immunohistochemically 7, 14, and 21 days after IAN axotomy in 9 rats that had no orthodontic appliance. The statistical analysis showed no significant differences in the number of FM/mm3 PDL between the denervated and the contralateral side at 3 and 7 days. At 14 days the PDL on the denervated side showed a significant increase in the number of FM/mm3, coinciding with the initial periodontal nerve fiber re-innervation. In the pulp no significant differences were found between the denervated a...Continue Reading

References

Aug 1, 1990·European Journal of Orthodontics·I Kvinnsland, S Kvinnsland
May 1, 1986·Journal of Periodontal Research·W T Weekes, M R Sims
Sep 1, 1967·British Journal of Pharmacology and Chemotherapy·N JancsóJ Szolcsányi
Oct 1, 1994·European Journal of Orthodontics·V Vandevska-RadunovicS Kvinnsland
Apr 21, 1994·Nature·P M Vanhoutte
Jan 1, 1996·Critical Reviews in Oral Biology and Medicine : an Official Publication of the American Association of Oral Biologists·L Olgart

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Citations

Apr 25, 2008·Journal of Dental Research·G E Wise, G J King
Feb 8, 2002·Acta Odontologica Scandinavica·E BerggreenK J Heyeraas
Apr 5, 2011·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Julian E DavilaBrent E Larson
May 8, 2007·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·James R MillerPatricia M Vayda
Nov 25, 2003·European Journal of Oral Sciences·Vaska Vandevska-RadunovicInger Hals Kvinnsland
Apr 22, 2006·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Richard S Masella, Malcolm Meister

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