Prevalence of staphylococcus aureus among gingivitis in patient with orthodontic and non-orthodontic wires in Kufa City Iraq

الملخص EN

This study aimed to investigate the role of orthodontic wire on bacterial community in the oral cavity as well as its effectiveness on Staphylococcus aureus.

A total of 149 samples have been collected, where 78 gingival swab samples have been collected from orthodontic patient with gingivitis and 71 samples were collected non-orthodontic patient with gingivitis during four months from private dental clinics.

The results of conventional isolation and identification of bacterial isolates as well as biochemical test showed that S.

aureus was the commonest cause pathogens among acute gingivitis (46%) followed by Granulicatella adiacens (29.6%) where 36 isolates were isolated from acute and chronic gingivitis in comparison with 27 isolates from non-orthodontic patient.

A mutation experiment was carried out to explain the role of orthodontic wires on S.

aureus.

The results revealed the same change has been obtained when using both of Nikle-titanium (NiTi) and stainless steel wire on S.

aureus after 24-96 hr from incubation.

Antibiotic sensitivity pattern of both mutated and non-mutated isolates with NiTi and stainless steel wires explained increased in antibiotic resistance of S.

aureus to bacitracin, ceftazidim, ogmentin, and erythromycin while other antibiotic remain sensitive such as cefotaxim and amikacin.