UNIVERSITY OF SAO PAULO SCHOOL OF DENTISTRY

Dentistry Science Postgraduate Program Area of Concentration: Endodontics

BUSQUIM SSK, FRANCO E, NOGALES C, FERREIRA MB, LAGE-MARQUES JL, PROKOPOWITSCH I

The antimicromial and bioestimulation properties of ozone, proven by the literature,

have a great potencial to be incorporated to endodontic therapy, even in traumatized tooth.

sandrakuhne@usp.br

The aim of the study was to show the potencial of ozone therapy as adjuvant to root canal treatment in subluxated permanent tooth.

Subluxation is an injury to the tooth supporting structures. The incidence of pulp necrosis is shown to be near 15% after this injury, so all subluxated tooth must be monitored (Celik & Cehreli, 2008). When it occurs, endodontic treatment should start as soon as possible. Ozone is a very reactive gas that shows strong antimicrobial properties. The gas oxidates and destroys bacterial cells walls and citoplasmatic membranes (Nagayoshi et al. 2004; Cardoso et al., 2008; Huth et al., 2009). Ozone also increases the oxygen supply to all cells, enhancing cellular metabolism and stimulating tissue repair.

The radiographic examinations demonstrated a resolution of the periapical lesion after 40 days (C). A 3-year follow-up revealed radiographic evidence of bone healing (E).

1st and 2nd Sessions

3rd Session

An 18-year-old girl was referred to the clinic by her orthodontist with no complaint of pain, just the presence of a large periradicular lesion in the maxillary central left incisor. Ten years ago she had a falling that resulted in a subluxation trauma in this tooth.

INTRODUCTION

CASE REPORT

OBJECTIVE

METODOLOGY

RESULTS

CONCLUSION

A B

C D E