Maternal oral health status and preterm low birth weight at Muhimbili National Hospital, Tanzania: a case-control studyReportar como inadecuado

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BMC Oral Health

, 7:8

First Online: 26 June 2007Received: 27 November 2006Accepted: 26 June 2007


BackgroundThe study examined the relationship between oral health status periodontal disease and carious pulpal exposure CPE and preterm low-birth-weight PTLBW infant deliveries among Tanzanian-African mothers at Muhimbili National Hospital MNH, Tanzania.

MethodsA retrospective case-control study was conducted, involving 373 postpartum mothers aged 14–44 years PTLBW – 150 cases and at term normal-birth-weight TNBW – 223 controls, using structured questionnaire and full-mouth examination for periodontal and dentition status.

ResultsThe mean number of sites with gingival bleeding was higher in PTLBW than in TNBW P = 0.026. No significant differences were observed for sites with plaque, calculus, teeth with decay, missing, filling DMFT between PTLBW and TNBW. Controlling for known risk factors in all post-partum n = 373, and primiparaous n = 206 mothers, no significant differences were found regarding periodontal disease diagnosis threshold PDT four sites or more that had probing periodontal pocket depth 4+mm and gingival bleeding ≥ 30% sites, and CPE between cases and controls. Significant risk factors for PTLBW among primi- and multiparous mothers together were age ≤ 19 years adjusted Odds Ratio OR = 2.09, 95% Confidence interval 95% CI: 1.18 – 3.67, P = 0.011, hypertension OR = 2.44, 95% CI: 1.20 – 4.93, P = 0.013 and being un-married OR = 1.59, 95% CI: 1.00 – 2.53, P = 0.049. For primiparous mothers significant risk factors for PTLBW were age ≤ 19 years OR = 2.07, 95% CI: 1.13 – 3.81, P = 0.019, and being un-married OR = 2.58, 95% CI: 1.42 – 4.67, P = 0.002.

ConclusionsThese clinical findings show no evidence for periodontal disease or carious pulpal exposure being significant risk factors in PTLBW infant delivery among Tanzanian-Africans mothers at MNH, except for young age, hypertension, and being unmarried. Further research incorporating periodontal pathogens is recommended.

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Autor: Elifuraha GS Mumghamba - Karim P Manji


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