Helicobacter pylori in dental plaque and stomach of patients from Northern Brazil

doi:10.3748/wjg.v16.i24.3033

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Jun 28, 2010 (publication date) through Nov 26, 2024

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Jun 28, 2010; 16(24): 3033-3039
Published online Jun 28, 2010. doi: 10.3748/wjg.v16.i24.3033

Table 2 Results of the different diagnostic tests for H. pylori detection in gastric biopsies and dental plaque samples n (%)

Techniques used in the specimens	H. pylori		Total
Techniques used in the specimens	Positive	Negative	Total
Dental plaque^a
PCR	71 (72)	28 (28)	99
Urease	48 (52)	45 (48)	93
Stomach^b
PCR	95 (96)	4 (4)	99
Histological¹	39 (48)	43 (52)	82
Urease	47 (49)	49 (51)	96

¹31 of 39 were also urease positive;

^aG tests (Yates) = 7.39, P = 0.006;

^bG tests (Williams) = 76.82, P = 0.0001 (PCR/Histological/Urease); G tests (Yates) = 57.14, P = 0.0001 (PCR/Histological); G tests (Yates) = 58.48, P = 0.001 (PCR/Urease); G tests (Yates) = 0.001, P = 0.97 (Urease/Histological).

Citation: Assumpção MB, Martins LC, Melo Barbosa HP, Barile KADS, Almeida SS, Assumpção PP, Corvelo TCO. Helicobacter pylori in dental plaque and stomach of patients from Northern Brazil. World J Gastroenterol 2010; 16(24): 3033-3039
URL: https://www.wjgnet.com/1007-9327/full/v16/i24/3033.htm
DOI: https://dx.doi.org/10.3748/wjg.v16.i24.3033