Clinical Medicine Insights: Ear, Nose and Throat

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Nanobacteria: An Infectious Cause for Salivary Stone Formation and Recurrence

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Publication Date: 28 Jul 2010

Type: Original Research

Journal: Clinical Medicine Insights: Ear, Nose and Throat

Citation: Clinical Medicine Insights: Ear, Nose and Throat 2010:3 17-21

doi: 10.4137/CMENT.S5147


Nanobacteria (NB) contribute to pathological calcification in the human and animal body. It has been isolated from salivary stones and suggested that it may act as a nucleus for the initiation of these stones. In the present study, we examined its role in the recurrent salivary gland stones using immunodetection with NB-specific monoclonal antibodies and scanning electron microscopy (SEM) hoping to provide a method for preventing the recurrence of these stones in the patient that has suffered from salivary stones. Our study comprised 30 patients with recurrent salivary gland stones (group I) and 30 patients with salivary gland stones for the first time (group II), in addition to 30 normal controls (group III). We could detect 100–500 nm nanoparticles in 24/30 (80%) cases in group I with significant difference <0.05 and <0.01 when compared with group II and group III in which they were detected in 19/30 (63.3%) and 6/30 (20%) respectively. Also there was a significant difference <0.05 between group II and group III. We proposed that salivary stone formation is a nanobacterial disease initiated by bacterial infection. This bacteria may play an important role in the recurrence of salivary stone. So the use of calcium chelator, ethylene diamine tetra acetic acid (EDTA), before or in combination with the suitable antibiotic that is given in an amount effective to inhibit or prevent the growth and development of nanobacteria may eradicate these stones and prevent their recurrence.

nanobacteria, salivary stones




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