Research Topics
Species | Waranuch PitiphatSummaryAffiliation: Harvard University Country: USA Publications
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Detail Information
Publications
Maternal periodontitis and adverse pregnancy outcomesWaranuch Pitiphat
Department of Oral Health Policy and Epidemiology, Harvard School of Dental Medicine, Boston, MA, USA
Community Dent Oral Epidemiol 36:3-11. 2008..We evaluated periodontitis in relation to preterm birth (<37 weeks' gestation) and small-for-gestational-age (SGA, birth weight below the 10th percentile of birth weight for gestational age) among a group of medically insured women...
C-reactive protein associated with periodontitis in a Thai populationWaranuch Pitiphat
Department of Community Dentistry, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand
J Clin Periodontol 35:120-5. 2008..This study evaluated the associations of chronic periodontitis and Porphyromonas gingivalis with CRP in systemically healthy Thai adults...- Alcohol consumption increases periodontitis riskW Pitiphat
Department of Oral Health Policy and Epidemiology, Harvard School of Dental Medicine, 188 Longwood Avenue, Boston, MA 02115, USA
J Dent Res 82:509-13. 2003..24 (1.09, 1.42); 5.0 to 14.9 g/day, 1.18 (1.04, 1.35); 15 to 29.9 g/day, 1.18 (1.01, 1.38); and > 30 g/day, 1.27 (1.08, 1.49). The results suggest that alcohol consumption is an independent modifiable risk factor for periodontitis... 
Plasma C-reactive protein in early pregnancy and preterm deliveryWaranuch Pitiphat
Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
Am J Epidemiol 162:1108-13. 2005..64, 95% confidence interval: 0.94, 22.96) versus indicated delivery (odds ratio = 1.42, 95% confidence interval: 0.44, 4.61). These findings suggest that very high CRP levels in early pregnancy are associated with preterm delivery...- Periodontitis and plasma C-reactive protein during pregnancyWaranuch Pitiphat
Department of Oral Health Policy and Epidemiology, Harvard School of Dental Medicine, Boston, MA, USA
J Periodontol 77:821-5. 2006..We examined the relationship between periodontitis and CRP among women who provided dental radiographs and had blood collected during early pregnancy, excluding smokers and diabetic patients... - Use of preexisting radiographs for assessing periodontal disease in epidemiologic studiesWaranuch Pitiphat
Harvard School of Dental Medicine, Boston MA 02115, USA
J Public Health Dent 64:223-30. 2004..70 comparing radiographs taken within 5 years and 0.29 when the period extended beyond 5 years. CONCLUSION: Preexisting radiographs are feasible for use in epidemiologic studies and provide valid assessments of periodontal disease... - Oral hygiene practices and periodontitis in health care professionalsAnwar Merchant
Department of Nutrition, Harvard School of Public Health, Boston, MA, USA
J Periodontol 73:531-5. 2002..CONCLUSIONS: People who reported better oral hygiene practices did not report less periodontitis, after controlling for potential confounders. Oral hygiene practices were not associated with periodontitis in this population... - Pulpal inflammation and incidence of coronary heart diseaseKaumudi J Joshipura
Department of Oral Health Policy and Epidemiology, Harvard School of Dental Medicine, Boston, Massachusetts, USA
J Endod 32:99-103. 2006..38; 95% CI 1.14-1.67). There was no association among nondentists (RR = 1.03). Dental caries was not associated with CHD. The results suggest a possible modest association between pulpal inflammation and CHD... - RANKL upregulation associated with periodontitis and Porphyromonas gingivalisNawarat Wara-Aswapati
Department of Periodontology, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand
J Periodontol 78:1062-9. 2007..In this study, the expression of RANKL and OPG mRNA and the relationship between these factors and periodontopathic bacteria in periodontal tissue were studied... - Increased physical activity decreases periodontitis risk in menAnwar T Merchant
Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA
Eur J Epidemiol 18:891-8. 2003..Increased physical activity improves insulin sensitivity and glucose metabolism, and may therefore affect incidence of periodontitis... - Trefoil factors in saliva and gingival tissues of patients with chronic periodontitisPonlatham Chaiyarit
Department of Oral Diagnosis and Research Group of Chronic Inflammatory Oral Diseases and Systemic Diseases Associated with Oral Health, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand
J Periodontol 83:1129-38. 2012..The objective of this study is to determine whether TFF expression in saliva and gingival tissues is associated with periodontal pathology... - Validation of self-reported oral health measuresWaranuch Pitiphat
Harvard School of Dental Medicine, Harvard School of Public Health, 188 Longwood Avenue, Boston, MA 02115, USA
J Public Health Dent 62:122-8. 2002..There remains a need and potential to further develop self-report oral health measures that are valid for use in large population studies. Such self-report measures would yield great cost and time savings... - A prospective study of social support, anger expression and risk of periodontitis in menAnwar T Merchant
Department of Nutrition, Harvard School of Public Health, Boston, Mass, USA
J Am Dent Assoc 134:1591-6. 2003..Stress is associated with poor oral hygiene, increased glucocorticoid secretion that can depress immune function, increased insulin resistance and potentially increased risk of periodontitis... - Whole-grain and fiber intakes and periodontitis risk in menAnwar T Merchant
Population Health Research Institute and the Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Canada
Am J Clin Nutr 83:1395-400. 2006..Diabetes and hyperglycemia increase periodontitis risk, severity, and extent. Increased whole-grain and fiber intakes are associated with improved insulin sensitivity and may therefore affect periodontitis risk... - Researching periodontitis: challenges and opportunitiesAnwar T Merchant
Department of Clinical Epidemiology and Biostatistics, McMaster University, 1492 Barker Avenue, Burlington, Ontario, Canada
J Clin Periodontol 34:1007-15. 2007..We analyse these questions and provide possible solutions. As many of these issues are generic to dentistry, possible solutions can improve the quality of future studies and the evidence base for primary prevention in dentistry... - Validation of self-reported periodontal measures among health professionalsKaumudi J Joshipura
Department of Oral Health Policy and Epidemiology, Harvard School of Dental Medicine, 188 Longwood Avenue, Boston, MA 02115, USA
J Public Health Dent 62:115-21. 2002..Valid self-reported measures could provide a time- and cost-efficient alternative for large epidemiologic studies... - The effect of a new toothpaste containing potassium nitrate and triclosan on gingival health, plaque formation and dentine hypersensitivityNawarat Wara-Aswapati
Department of Periodontology, Faculty of Dentistry, Khon Kaen University, Khon, Kaen, Thailand
J Clin Periodontol 32:53-8. 2005..The efficacy of the test toothpaste was compared with that of a control toothpaste containing 5% potassium nitrate and 0.76% SMFP and a benchmark product containing only 0.76% SMFP... - Insulin-like growth factor II receptor gene-167 genotype increases the risk of oral squamous cell carcinoma in humansAthanasios I Zavras
Department of Oral Health Policy and Epidemiology, Harvard School of Dental Medicine, Boston, Massachusetts 02115, USA
Cancer Res 63:296-7. 2003..7, 95% confidence interval: 1.16-6.48), controlling for major confounders. Our results suggest that genetic variation of IGF2R may influence significantly the risk of oral cancer... - Directed acyclic graphs (DAGs): an aid to assess confounding in dental researchAnwar T Merchant
Department of Nutrition, Harvard School of Public Health, Department of Oral Health Policy and Epidemiology, Harvard School of Dental Medicine, Boston, MA 02115, USA
Community Dent Oral Epidemiol 30:399-404. 2002..We then demonstrate their application in the control of confounding through examples of observational and cross-sectional epidemiological studies... - Re: effect of periodontal treatment on serum C-reactive protein levels: a systematic review and meta-analysis. Ioannidou E, Malekzadeh T, Dongari-Bagtzoglou A. (2006;77:1635-1642)Waranuch Pitiphat
J Periodontol 78:1184-5; author reply 1186-7. 2007 - Increased risk of preterm birth among non- smoking, non- alcohol drinking women with maternal periodontitisHang Thi Thu Le
Department of Epidemiology, Faculty of Public Health, Mahidol University, Bangkok, Thailand
Southeast Asian J Trop Med Public Health 38:586-93. 2007..Periodontitis was significantly associated with preterm birth (adjusted OR = 4.47, 95%Cl= 2.43, 8.20). These findings suggest that periodontitis may increase the risk of preterm delivery even among women who do not smoke or drink... - The association between maternal periodontitis and adverse pregnancy outcomes among poor Chilean womenWaranuch Pitiphat
J Dent Res 81:516-7; author reply 517. 2002 - Can nonstandardized bitewing radiographs be used to assess the presence of alveolar bone loss in epidemiologic studies?Anwar T Merchant
Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
Community Dent Oral Epidemiol 32:271-6. 2004..To compare periodontitis-associated alveolar bone loss assessment by standardized and nonstandardized radiographs in clinical and epidemiologic studies...