Multiple cancers frequently occur in the upper digestive tract. One possible explanation is
that specific bacterial infection stimulates the normal epithelium to initiate inflammation …

Background High levels of periodontopathic bacteria as well as Streptococcus anginosus
were detected in cancer tissue from patients with esophageal cancer. An association …

Multiple cancers frequently occur in the upper aerodigestive tract. The high incidence rate of
multiple carcinomas in this region is often explained in terms of involvement of the same …

The high incidence rate of multiple carcinomas in the upper digestive tract is often explained
in terms of involvement of the same underlying risk factors. It has been reported that the oral …

To investigate the involvement of S. anginosus infection in head and neck cancer in the
extra-oropharyngeal cavity, we analyzed 3 DNA samples prepared from squamous cell …

Extensive epidemiological and experimental studies have suggested that some chemical
agents, nutritional deficiencies, and physical factors are associated with the development of …

Great attention has been attached to explore the association between oral bacteria and oral
cancer. Recently, four common inhabitants of oral cavity, Porphyromonas gingivalis …

Oral and esophageal squamous cell carcinomas harbor a diverse microbiome that differs
compositionally from precancerous and healthy tissues. Though causality is yet to be …

It has been suggested that Helicobacter pylori (H. pylori) infection might be associated with
not only gastric ulcers but also gastric malignancies. Recently, it was reported that the …

We evaluated the effects of special oral care using a toothbrush with combined irrigation and
suctioning functions, along with povidone-iodine to treat oral bacteria and mucositis, in …