PMC:7054527 / 22601-22851 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T178","span":{"begin":10,"end":13},"obj":"http://purl.obolibrary.org/obo/CLO_0051582"},{"id":"T179","span":{"begin":119,"end":127},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_2"},{"id":"T180","span":{"begin":145,"end":150},"obj":"http://purl.obolibrary.org/obo/UBERON_0000025"}],"text":"Our study has shown that the anti-retraction high-speed dental handpiece can significantly reduce the backflow of oral bacteria and HBV into the tubes of the handpiece and dental unit as compared with the handpiece without anti-retraction function60."}

{"project":"LitCovid-sentences","denotations":[{"id":"T128","span":{"begin":0,"end":250},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Our study has shown that the anti-retraction high-speed dental handpiece can significantly reduce the backflow of oral bacteria and HBV into the tubes of the handpiece and dental unit as compared with the handpiece without anti-retraction function60."}

{"project":"2_test","denotations":[{"id":"32127517-17230392-53455650","span":{"begin":247,"end":249},"obj":"17230392"},{"id":"T5544","span":{"begin":247,"end":249},"obj":"17230392"}],"text":"Our study has shown that the anti-retraction high-speed dental handpiece can significantly reduce the backflow of oral bacteria and HBV into the tubes of the handpiece and dental unit as compared with the handpiece without anti-retraction function60."}