Project Allsmiles Inc.501(c)(3) Nonprofit

Research Foundation

Evidence & Research

Our programs are grounded in peer-reviewed research, federal agency data, and evidence-based public health guidelines. Below is a curated bibliography of the primary sources informing our work.

For in-depth public health analyses written by our team, visit our Research & Public Health Insights page.

Centers for Disease Control and Prevention (CDC)

Dental Sealants Prevent Cavities

CDC evidence that dental sealants prevent 80% of cavities in back teeth, where 9 in 10 cavities occur. Children without sealants have almost 3 times more cavities than children with sealants.

School-Based Dental Sealant Programs

CDC guidelines and fact sheets on implementing school-based dental sealant programs as an evidence-based public health intervention.

Oral Health Surveillance Report

National data on dental caries, sealant use, tooth loss, and oral health disparities across demographic groups from the National Health and Nutrition Examination Survey (NHANES).

Dental-Related Emergency Department Visits

CDC data on the prevalence and cost of preventable dental-related emergency department visits across the United States.

California Department of Public Health (CDPH)

CDPH Oral Health Program

State-level data on oral health disparities among California schoolchildren, including untreated caries rates and sealant prevalence in low-income communities.

California Smile Survey

Statewide assessment of children's dental health documenting disparities in access to preventive care across California counties.

U.S. Surgeon General

Oral Health in America: Advances and Challenges

The Surgeon General's comprehensive report documenting the relationship between oral health and systemic disease, including cardiovascular disease, diabetes, and adverse pregnancy outcomes.

The Community Guide

Preventing Dental Caries: School-Based Dental Sealant Delivery Programs

The Community Preventive Services Task Force recommendation for school-based sealant programs as an evidence-based intervention to prevent dental caries in children.

American Dental Association (ADA)

ADA Health Policy Institute

Research and data on dental care utilization, emergency department use for dental conditions, and oral health workforce analysis.

Evidence-Based Clinical Practice Guidelines for Sealants

ADA clinical recommendations supporting the use of pit-and-fissure sealants for prevention of caries in children.

Association of State and Territorial Dental Directors (ASTDD)

Best Practice Approach: School-Based Dental Sealant Programs

ASTDD guidelines for planning, implementing, and evaluating school-based dental sealant programs with standardized protocols.

National Institute of Dental and Craniofacial Research (NIDCR / NIH)

Dental Caries in Children (Age 2 to 11)

National data on the prevalence and severity of dental caries among children, with breakdowns by income level, race, and ethnicity.

Oral-Systemic Health Research

NIH-funded research on the bidirectional relationship between oral health and systemic conditions including cardiovascular disease, diabetes, and respiratory disease.

National Health Care for the Homeless Council

Oral Health and Homelessness

Research and policy briefs documenting the oral health crisis among unhoused populations, including barriers to care, disease prevalence, and policy recommendations.

Peer-Reviewed Literature

Journal of Health Care for the Poor and Underserved

Published research documenting significantly higher rates of untreated decay and periodontal disease among unhoused individuals compared to the general population.

Oral Health & School Attendance Studies

Peer-reviewed studies demonstrating the relationship between untreated dental disease, missed school days, and reduced academic performance in children.

Disclaimer: The citations and links provided above are for informational and reference purposes. Project Allsmiles Inc. is not affiliated with or endorsed by any of the organizations listed. All data and statistics referenced in our programs are sourced from publicly available federal, state, and peer-reviewed publications.