Armando E. Soto-Rojas, D.D.S., M.P.H.

Armando E. Soto-Rojas, D.D.S., M.P.H.
Armando E. Soto-Rojas, D.D.S., M.P.H.

Associate Professor
Director, Seal Indiana Program

Contact Info

Phone  (317) 278-6069
Fax       (317) 274-5425

Office Address

Indiana University School of Dentistry 
Oral Health Research Institute 
415 Lansing St., Indianapolis, IN 46202-2876


Armando E Soto-Rojas DDS, MPH is an Associate Professor of the Department of Cariology, Operative Dentistry and Dental Public Health, Indiana University School of Dentistry. He is currently working in the Fluoride Pharmacology Research Program. Dr. Soto-Rojas is program associate the director for of the SEAL INDIANA, IUSD's Statewide Mobile Dental Sealant Program. He is involved and participates actively in the Binational/Cross-Cultural Health Enhancement Center . Dr. Soto-Rojas previously held the positions of Preventive Dentistry Department Chair and Research Assistant at the Universidad Intercontinental in Mexico City. He also held a position as Assistant Researcher at The Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, conducting research on autoimmune diseases, particularly on Sjögren’s syndrome. After receiving his degree from the Universidad Intercontinental in Mexico City in 1981, he received an MPH at King's College School of Medicine and Dentistry, University of London, London England in 1990. He has published articles in the fluoride and dry mouth area. Dr. Soto Rojas' research projects have received National and International awards.




1.            Soto-Rojas AE, Villa AR, Sifuentes-Osornio J, Alarcón Segovia D, Kraus A. Oral manifestations in patients with Sjögren's syndrome. J Rheumatol 1998;25(5):906-10 PMID:9598889 (S)

2.            Soto-Rojas AE, Villa AR, Sifuentes -Osornio J, Alarcón-Segovia D, Kraus A. Oral candidiasis in Sjögren’s syndrome. J Rheumatol 1998;25(5):911-5. PMID:9598890 (S)

3.            Sánchez-Guerrero J, Aguirre-García E, Pérez-Dosal MR, Kraus A, Cardiel M, Soto-Rojas AE. The wafer test: a semi-quantitative test to screen for xerostomia. Rheumatology 2002; 41(4):381-9.  PMID:11961167 (S)

4.            Soto-Rojas AE, Kraus A. The oral side of Sjögren syndrome. Diagnosis and treatment. A review. Arch Med Res 2002; 33(2):95-106. PMID:11886706    *This article was ranked No. 25th top article in the journal with 514 requests on the Elsevier Science Direct Database. (S)

5.¬†¬†¬†¬†¬†¬†¬†¬†¬†¬†¬† Mart√≠nez-Mier EA, Soto-Rojas AE, Ure√Īa-Cirett J, Stookey GK, Dunipace AJ. Fluoride intake from foods, beverages and dentifrice by children in Mexico. Commun Dent Oral Epidemiol 2003 31(3):221-30. PMID:12752549

6.¬†¬†¬†¬†¬†¬†¬†¬†¬†¬†¬† Soto-Rojas AE, Ure√Īa-Cirett JL, Mart√≠nez-Mier EA. A review of the prevalence of dental fluorosis in Mexico. Pan Am J Public Health. 2004;15(1):9-17. PMID:14987453

7.            Martínez-Mier EA, Soto-Rojas AE, Buckley CM, Margineda J, Stookey GK, Zero DT. Evaluation of the fluorine content in fluoridated table salt.  Salud Publica Mex 2004;46(3):197-198. PMID:15368859

8.¬†¬†¬†¬†¬†¬†¬†¬†¬†¬†¬† Mart√≠nez-Mier EA, Soto-Rojas AE, Ure√Īa-Cirett JL, Stookey GK, Dunipace AJ; Dental fluorosis and altitude: a preliminary study. Oral Health and Preventive Dentistry.¬† 2004;1:39-48. PMID:15641764

9.¬†¬†¬†¬†¬†¬†¬†¬†¬†¬†¬† Martinez-Mier EA, Maupom√© G, Soto-Rojas AE, Ure√Īa-Cirett JL, Katz BP, Stookey GK.¬† Development of a questionnaire to measure perceptions of, and concerns derived from, dental fluorosis. Commun Dent Health 2004 Dec;21(4):299-305. PMID:15617415

10.          Sanchez-Guerrero J, Perez-Dosal MR, Cardenas-Velazquez F, Perez-Reguera A, Celis-Aguilar E, Soto-Rojas AE, Avila-Casado C. Prevalence of Sjogren's syndrome in ambulatory patients according to the American-European Consensus Group criteria. Rheumatology 2005;44:235-40. PMID:15509625

11.          Martínez-Mier EA, Soto-Rojas AE, Margineda J, Buckley CM, Zero DT. Zero Fluoride concentration of bottled water, tap water, and fluoridated salt from two communities in Mexico. International Dental J 2005;55(2):93-99. PMID:15880964

12.          Sanchez-Guerrero J, Perez-Dosal MR, Celis-Aguilar E, Cardenas-Velazquez F, Soto-Rojas AE, Avila-Casado C. Validity of screening tests for Sjogren's syndrome in ambulatory patients with chronic diseases. J Rheumatol. 2006 May;33(5):907-11. Epub 2006 Mar 15.  PMID:16541477

13.          Pascual-Ramos V, Hernandez-Hernandez C, Soto-Rojas AE, Celis-Aguilar E, Sanchez-Guerrero J. Association between dental caries and pneumonia in patients with systemic lupus erythematosus. J Rheumatol. 2006 Oct;33(10):1996-2002. Epub 2006 Sep 1. PMID:16960926. (S)

14.¬†¬†¬†¬†¬†¬†¬†¬†¬† Maupom√© G, Soto-Rojas AE, Borges-Y√°√Īez SA, Irigoyen-Camacho ME, Mart√≠nez-Mier EA. Prevenci√≥n en salud periodontal: recomendaciones actualizadas y estatus del conocimiento directamente aplicable al entorno mexicano. [Periodontal disease prevention: current recommendations and state of the art of the knowledge directly relevant to the Mexican setting]. Rev ADM 2007 Vol. LXIV;(1):25-33

15.¬†¬†¬†¬†¬†¬†¬†¬†¬† Maupom√© G, Soto-Rojas AE, Irigoyen-Camacho ME, Mart√≠nez-Mier EA, Borges-Y√°√Īez SA. Prevenci√≥n de la caries: recomendaciones actualizadas y estatus del conocimiento directamente aplicable al entorno mexicano. [Caries prevention: current recommendations and state of the art of the knowledge directly relevant to the Mexican setting]. Rev ADM 2007 Vol. LXIV;(2):68-79

16.¬†¬†¬†¬†¬†¬†¬†¬†¬† Soto-Rojas AE, Mart√≠nez-Mier EA, Ure√Īa-Cirett J, Jackson RD, Stookey GK. Development of a standardization device for photographic assessment of dental fluorosis in field studies.¬† Oral Health Prev Dent 2008;6:29-36. PMID:18399305.

17.          Soto-Rojas AE, Martinez-Mier EA, Maupome Gerardo. Conceptual and analytic issues surrounding a report on domestic salt fluoridation in Mexico. J Public Health Dent 2009;69:(2)63. PMID:19639698.

18.          Martínez-Mier EA, Soto-Rojas AE, Buckley CM, Margineda J, Zero DT. Evaluation of the direct and diffusion methods for the determination of fluoride content in table salt. Community Dent Health. 2009 Dec;26(4):204-10. PMID:20088217.

19.          Martinez-Mier EA, Soto-Rojas AE. Differences in exposure and biological markers of fluoride among white and African-American children. J Public Health Dent. 2010 Summer;70(3):234-40.  PMID:20545831.  (S)

20.          Martínez-Mier EA, Cury JA, Heilman JR, Katz BP, Levy SM, Li Y, Maguire A, Margineda J, O'Mullane D, Phantumvanit P, Soto-Rojas AE, Stookey GK, Villa A, Wefel JS, Whelton H, Whitford GM, Zero DT, Zhang W, Zohouri V. Development of gold standard ion-selective electrode-based methods for fluoride analysis. Caries Res. 2011;45(1):3-12. Epub 2010 Dec 11. PMID:21160184.

21.          Steinmetz JE, Martinez-Mier EA, Jones JE, Sanders BJ, Weddell JA, Soto-Rojas AE, Tomlin AM, Eckert GJ. Fluoride content of water used to reconstitute infant formula. e pub: Clin Pediatr. 2011 Feb;50(2):100-5  PMID:21242202

22. Larrabee TM, Liu SS, Torres-Gorena A, Soto-Rojas A, Eckert GJ, Stewart KT. The effects of varying alcohol concentrations commonly found in mouth rinses on the force decay of elastomeric chain. Angle Orthod. 2012 Sep;82(5):894-9. PMID: 22309124.22.-(R)

23. Lippert F, Martinez-Mier EA, Soto-Rojas AE. Effects of fluoride concentration and temperature of milk on caries lesion rehardening. J Dent. 2012 Oct;40(10):810-3. PMID: 22706204. (R)



Book Chapters

1.            Kahn HE, Stelzner SM, Riner ME, Soto-Rojas AE, Henkle EJ, Veras-Godoy HA, Antón de la Concha JL, Martínez-Mier EA. Creating International Multidisciplinary Service-eLearning Experiences. In Service-eLearning: Educating for Citizenship Edited by: Amber Dailey-Hebert, Emily Donnelli-Sallee, Laurie N. DiPadova-Stocks. Information Age Publishing. Charlotte NC USA 2008, 95-100. ISBN-10: 1593119208 (T)

2.¬†¬†¬†¬†¬†¬†¬†¬†¬†¬†¬† Soto-Rojas AE, Martinez-Mier E A, Meadows M, Hatcher J. Increasing Cultural Competence of Dental Students through Participation in an International Service-Learning Program. The ‚ÄúService-Learning in Higher Education: National and International connections‚ÄĚ published by the University of Indianapolis 2011, Ed. Lan Lin P.USA Chapter 17:203-212 ISBN 978-1-880938-77-5 (T)

Articles Published

1.            Soto-Rojas AE, Cushing A. Assessment of the need for education and/or training in the dental care of people with handicaps. Commun Dent Health. 1992;9:165-170. PMID:1387039 (R)

2.            Martinez-Mier EA, Soto-Rojas AE, Stelzner SM, Lorant DE, Riner ME, Yoder KM. An international, multidisciplinary, service-learning program: an option in the dental school curriculum. Educ Health (Abingdon). 2011 Apr;24(1):259. Epub 2011 Apr 2. PMID:21710410 (T)

3.            Guido J, Martinez-Mier EA, Soto-Rojas AE, Eggertsson H, Jones JE, Sanders BJ. Caries Prevalence and its Association with Brushing Habits, Water Availability and the Intake of Sugared Beverages in Rural Communities. Accepted for publication in the Intl J Pediatric Dentistry 2011 Nov;21(6):432-440. PMID:21718372 (R)

4.            Soto-Rojas AE. Service-learning at the Seal Indiana mobile program. Quick Hits:  Teaching with Technology. Accepted for publication in the Quick Hits for Teaching with Technology Successful Strategies by Award-Winning Teachers. Edited by Morgan RK and Olivares KT. Contributing Editors Dixson MD, Gavrin AD, Morrone MC, Lafuze JE, and Morrone AS, Foreword by McRobbie MA.  Indiana University Press ISBN: 978-0-253-00612-7 (T)

5.            Soto Rojas AE, Escoffie-Ramírez M, Perez-Ferrera G, Guido JA, Mantilla, A. Martinez-Mier EA. Retention of Dental Sealants Placed on Sound Teeth and Incipient Caries Lesions as Part of a Service Learning Program in Rural Areas in Mexico. Int J Paediatr Dent. 2012 Nov;22(6):451-8. PMID: 22309211 (R)



1.            Soto-Rojas AE, Martinez-Mier EA. Self-directed lectures for fluoride toxicity. Quick Hits:  Teaching with Technology. Accepted for publication in Quick Hits for Teaching with Technology Successful Strategies by Award-Winning Teachers.  Edited by Morgan RK and Olivares KT. Contributing Editors Dixson MD, Gavrin AD, Morrone MC, Lafuze JE, and Morrone AS, Foreword by McRobbie MA.Indiana University Press ISBN: 978-0-253-00612-7  (S)


Research and Educational Interest

‚ÄĘ Educational part of the Seal Indiana program, effectiveness of the use of sealants to prevent and stop progression of dental caries
‚Äʬ†Fluoride analysis leading to the development of gold standards methods of a wide variety of samples
‚Äʬ†Development of quantitative and qualitative methods for the assessment of dental fluorosis
‚Äʬ†Effects of the presence of dental fluorosis on patient's self perception and quality of life
‚ÄĘ Development of strategies to deliver preventive measures for dry mouth patients
‚ÄĘ Prevention strategies for the medically, physical or mentally handicapped patient
‚ÄĘ International service-learning programs
‚ÄĘ Community-based research in the area of migrant/binational health