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    A long-lasting Sphingomonas paucimobilis outbreak: A potential for pathogens to persist on environmental devices despite disinfection measures
    (Mosby-Elsevier, 2023) Menekse, Sirin; Tanriverdi, Elif Seren; Altinay, Ece; Ogus, Halide; Aydogan, Arzu Atesoglu; Saglam, Duygu; Celik, Ozge
    Background: Sphingomonas paucimobilis, an aerobic, non-fermentative, Gram-negative opportunistic bacillus, can colonize everywhere in hospital settings where water is used. We reported a hospital S paucimobilis outbreak that persisted for nearly 2 years despite all necessary preventive measures.Methods: Over a period from February 13, 2020 to December 3, 2021, 67 patients were identified to have S paucimobilis as documented by positive cultures from clinical samples, along with 19 positive environmental samples.Results: Bacterial regrowth for molecular analysis could be obtained in 49 isolates (39 clinical, 4 extracorporeal membrane oxygenation (ECMO) water heater devices, 1 unused mouthwash solution, 5 water samples from thoracic drainage aspirators). Two distinct clonally indistinguishable genotypes were detected in APPCR and PFGE analyses, with 100% consistency. The main cluster was obtained consistently throughout the outbreak from 30 samples (61.2%: 24 clinical, 4 ECMO, 1 unused mouthwash solution, 1 water sample from the thoracic drainage aspirator). The other cluster involved 15 clinical samples and 4 water samples from the thoracic drainage aspirators.Conclusions: Given that waterborne pathogens can spread to a wide range of equipment used in healthcare environments, the pathogens can persist on the surfaces of environmental devices even after recommended disinfection measures have been applied. Therefore, individual tracking of all devices used in critical care settings, such as thoracic drainage aspirators and ECMO water heater devices, with records of pre- and post-disinfection procedures is of paramount importance for complete elimination of the source of infection. & COPY; 2022 Association for Professionals in Infection Control and Epidemiology, Inc. Published by Elsevier Inc. All rights reserved.
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    The Orthodontic Treatment of a Patient with Idiopathic Root Resorption in Upper Incisors
    (Aves Press Ltd, 2015) Celik, Ozge; Ersoz, Mustafa; Kamalak, Hakan
    The aim of this case report was to present the treatment of a 14-year-old patient with anterior crossbite with idiopathic root resorption. A 14-year-old female patient referred to our clinic because of the presence of crossbite on the maxillary central incisor. The smile esthetics were compromised because of the crossbite of the maxillary right central incisor. Intraorally, the patient had an Angle Class I molar relationship on the left side, and her lower right first molar was lost because of decay. Initial cephalometric analysis showed that the ANB angle was -1.3, and the upper and lower incisor angles were105.9 and 82.3, respectively. The arch length discrepancies in the upper and lower arches were -2.9 mm and 4 mm, respectively. On radiographical examination, we noticed severe root resorptions. Hormonal tests (FT3, FT4, and TSH) were performed. The parents of the patient were informed about the root resorption. In the hematological and biochemical examinations, the patient did not show any problems. As a result of 8-month treatment, the chief complaint of crossbite was corrected in five months. The teeth were leveled and aligned. The final occlusion showed a Class I canine and molar relationship. Posttreatment radiographs showed that the pretreatment maxillary incisors' root resorption was at the same level. A satisfying occlusion and esthetic were achieved. Orthodontic treatment of the teeth with idiopathic root resorption can be achieved using proper mechanics and optimum force.