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ORIGINAL STUDY
Issue: 01/2009 - J. Wiltfang - S.T. Becker - E. Behrens - I.N.G. Springer - R. Podschun - P.H. Warnke
Essential oils: antimicrobial effects and potential treatment options in dental implantology

Due to the steadily increasing numbers of dental implants placed, the number of peri-implant infections is also growing. To date, there is no standard and generally accepted regimen for treating peri-implant infections. The search for alternative treatment options is ongoing. This pilot study focuses on the antimicrobial effects of essential oils as their antimicrobial and anti-inflammatory effects have recently been highlighted in literature. The results may offer potential treatment options for peri-implant infections based on natural essential oils. Eucalyptus, tea tree, white thyme, lemon, lemongrass, clove bud oil and oil combinations were tested in the agar diffusion test against clinically relevant strains and multi-resistant nosocomial isolates. Ethanol, povidone iodine, chlorhexidine as well as olive and paraffin oil served as controls. The essential oils tested showed clear antimicrobial effects against staphylococci, streptococci and candida. In particular, the absolute impact on multi-resistant strains such as MRSA and Candida krusei should be stressed. The anti-inflammatory properties of essential oils may be advantageous in dental implantology compared to classic antiseptics. Essential oils can be produced naturally and cost-effectively. If the suspected antimicrobial effects can be confirmed against the dominant strains in peri-implant infections, essential oils may offer an alternative in the local treatment of these infections.

Keywords: Essential oils, antimicrobial, peri-implant infection, multi-resistant strains, MRSA, antiseptics

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WISSENSCHAFTLICHE ABSTRACTS
Issue: 01/2000 - S. Schultze-Mosgau - F. Kloss - J. Wiltfang - P. Kessler - U. Hirschfelder - F.W. Neukam
Autogenous transplantation of impacted cuspids following treatment for sarcoma of the upper jaw as an alternative to single tooth implants.

Summary:
Systemic chemotherapy and irradiation for infantile sarcoma of the upper jaw may result in arrested root development and impaction of teeth. If orthodontic alignment after surgical exposure of such teeth fails, autogenous tooth transplantation represents a therapeutic alternative to single tooth implants. This paper intends to demonstrate the usefulness of this treatment method in patients with a history of irradiation and chemotherapy,for infantile sarcoma as compared to patients without tumor disease. Five autogenous transplantations of impacted cuspids were performed. Two of these teeth were palatally, one labially displaced. One tooth with incomplete root development had to be removed after 8 weeks due to resorption and loosening. The four remaining teeth could befunctionally loaded after 6months showing bony integration. All teeth exhibited periodontal regeneration. Furthermore, one tooth that had previously been treated with irradiation and chemotherapy showed regeneration of sensory pulp ,function. Carefulpatientselectionprovided, autogenoustooth transplantation was, found to be a useful treatment alternative to single tooth implants inpatients with arrested tooth root growth after irradiation and chemotherapy.

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