GiveBetter x SF

Mission Neighborhood Centers

Proposed targeted child dental-prevention course

Research time: ~20 min on GPT-5.6 Sol Medium
  • Research — organization and evidence review.
  • Modeling — cost-effectiveness analysis.
  • Historical estimate for research done before time tracking.

Published: 7 September 2026.

Funding limitations

Summary

What do they do? MNC’s Head Start services include toothbrushing and dental-home/referral support. We investigate a narrower proposed course for initially caries-free children otherwise missing prevention, delivered with a licensed partner. We do not infer that every child without a recorded dental visit is untreated or eligible. More

Why this approach interests us

  • A trusted early-childhood provider could connect otherwise-unreached families with completed preventive dental care.

Our main reservations

  • Existing toothbrushing and dental access may leave little incremental benefit. New cavities are not automatically prolonged painful disease.

What do you get for your dollar?

Our central analyst scenario is $39.3M per better life (10 QALYs). This is a proposed dental-navigation and licensed-partner prevention course—not an existing verified MNC varnish program or an estimate of preschool’s total value. Inspect the full model →

central scenario
$39.3M — per 10 incremental QALYs; explicit pain-duration judgment
positive scenarios
$854K–$5.65B — Not confidence bounds; zero extra benefit possible
course budget
$250 — Assumed two-year prevention/navigation cost
funding room
Unverified — Existing public and insurance funding must be reconciled

1. What do they do?

MNC’s Head Start services include toothbrushing and dental-home/referral support. We investigate a narrower proposed course for initially caries-free children otherwise missing prevention, delivered with a licensed partner. We do not infer that every child without a recorded dental visit is untreated or eligible.

Verify the real prevention gap

Check age, baseline dental status, current brushing, insurance and existing provider access.

Complete clinical prevention

Budget four scheduled applications plus navigation and delivery overhead; referrals alone are not treatment.

Measure untreated health burden

Follow person-level cavitated disease, prompt treatment and painful time, not just lesion counts.

Scope of this review. Head Start and local/state funding support mixed services. A private gift must add care rather than replace those commitments. This analysis does not advise individual dental treatment.

2. Monitoring and information sharing

Head Start and Early Head Start families

MNC program report. Daily toothbrushing and dental navigation are established services.

Our assessment. Varnish delivery, unmet eligible cohort and incremental costs are not verified.

376 initially caries-free young children; 280 with follow-up

SF randomized assigned-treatment trial. Control versus twice-yearly assigned varnish odds ratio3.77 for person-level cavitated or filled surfaces.

Our assessment. Missing follow-up and accidental placebo applications limit interpretation. Use assignment effect, not actual-dose association; last follow-up was not uniformly24months.

South African children; different ages and setting

External supervised-brushing trial. No significant additional caries benefit from varnish on top of supervised fluoridated brushing.

Our assessment. A direct warning about the relevant add-on counterfactual, not proof of zero benefit at MNC.

3. Qualitative assessment

A trusted early-childhood provider could connect otherwise-unreached families with completed preventive dental care.

Key reservations

  • Pain duration and clinical-state compatibility dominate the health bridge.
  • Baseline risk and otherwise-unreached cohort are assumed.
  • Funding and clinical delivery are not an available quoted offer.
  • A narrow oral-health model does not measure preschool, family or educational value.

Benefits not included in our estimate

  • Education, school readiness, earnings and IQ
  • Caregiver health or lifetime benefits
  • Avoided dental costs as donor cash returns
  • Multiple lesions counted as separate people or repeated QALY gains

4. What do you get for your dollar?

Central scenario: $39.3M per 10 QALYs.

We assume $250 per course and a 40% baseline incident-caries risk. The trial odds ratio implies roughly 25 percentage points less incident caries before transfer and donor additionality discounts. We then separately model compatible untreated disease, pain probability and time-integrated pain loss.

A better life is our comparison unit of 10 additional quality-adjusted life years (QALYs), potentially spread across people. These are uncertain estimates, not measured returns or verified donation offers.

How we calculate the estimate

DOLLARS PER BETTER LIFE: 10 × $250 ÷ (0.2497 × 50% × 50% × 0.5 cycles × 24% × 0.0085)
≈ $39.3M per 10 QALYs

Model inputs and assumptions
Donor course budget
250 (range: 100 / 250 / 500). Assumed nominal $250 with existing clinical infrastructure. Four historical $20.88 Medicaid application fees (~$84) are only a reimbursement reference; the remainder allows navigation, scheduling and delivery overhead. Not a local quote or complete dental-treatment budget. External anchor or explicitly subjective assumption.
Untreated incident-caries risk
0.4 (range: 0.5 / 0.4 / 0.2). Assumed 40% over the proposed two-year course, not MNC data. Trial endpoint was person-level cavitated decay or filled surfaces at last follow-up, not uniform two-year pain incidence. External anchor or explicitly subjective assumption.
Control / assigned-treatment odds
3.77 (range: 3.77 / 3.77 / 1.88). SF randomized trial assigned twice-yearly varnish: OR3.77 (95%CI1.88–7.58). Invert odds correctly; not a risk ratio. Protocol error caused fewer active applications; no upward adjustment using nonrandom actual-dose comparisons. External anchor or explicitly subjective assumption.
Incremental effect retention
0.5 (range: 1 / 0.5 / 0.25). 50% judgment for current population, service and baseline-prevention differences. MNC already provides toothbrushing; a different trial found no extra varnish benefit on top of supervised brushing. External anchor or explicitly subjective assumption.
New donor-financed access
0.5 (range: 0.75 / 0.5 / 0.25). 50% judgment for actual additional access beyond Head Start, Medi-Cal and existing dental homes. Missing recorded care does not prove an eligible unfunded child. External anchor or explicitly subjective assumption.
Equivalent untreated mouth-level cycles
0.5 (range: 1 / 0.5 / 0.25). Central 0.5 six-month cycles per prevented incident-case child: an explicit provisional judgment giving only partial credit because the incidence endpoint includes promptly treated/filled lesions. Captures clinical-state compatibility and untreated duration, not extra efficacy. Range0–1 emphasized; no local measurement. External anchor or explicitly subjective assumption.
Pain given compatible untreated disease
0.24 (range: 0.48 / 0.24 / 0.14). External Janusz model0.24 for moderate caries; extensive0.48 favorable. Not all new caries is painful. Combined literature/expert inputs, not the SF trial's measured health effect. External anchor or explicitly subjective assumption.
Pain loss per six-month cycle
0.0085 (range: 0.0112 / 0.0085 / 0.0049). Janusz2024 model0.0085 QALY per six-month cycle (0.0049–0.0112). Already time-integrated: do not multiply by0.5years again. Not a direct trial utility measurement. External anchor or explicitly subjective assumption.

Illustrative $100,000: 400 courses and 0.0255 additional QALYs

  • Favorable positive: $854.18K per 10 QALYs. 1.17 QALYs per $100,000; not available capacity
  • Central analyst estimate: $39.26M per 10 QALYs. 0.0255 QALYs per $100,000; not available capacity
  • Unfavorable positive: $5.65B per 10 QALYs. 0.000177 QALYs per $100,000; not available capacity

Uncertainty. No new completed prevention, no additional benefit beyond existing brushing/care, or zero untreated painful disease yields no finite positive price. Positive scenarios are subjective stress tests, not confidence bounds; harm is not assigned a positive price.

Do not turn every prevented cavity into months of toothache.

The incidence endpoint includes filled surfaces. Promptly treated disease may produce little continuing pain. Our provisional half-cycle assumption gives partial health credit; neither half a cycle nor its alternatives are locally measured.

UNTREATED-DURATION SENSITIVITY: Price ≈ $19.63M ÷ equivalent six-month untreated cycles
1 cycle: $19.63M · 0.5: $39.26M · 0.25: $78.51M

QALY conversion assumptions

    The 0.0085 QALY loss already covers a six-month cycle. Do not multiply by another half-year, count multiple lesions as multiple children, or apply pain probability to all new caries without a compatible disease-state/duration assumption.

    5. Funding and previous grants

    A clinical partner, eligible uncovered children and a priced additional delivery plan remain unverified.

    The application-fee reference is historical Medicaid reimbursement, not current all-in SF cost. The assumed course budget needs clinical infrastructure and does not pay for all subsequent dental treatment.

    This review does not establish a verified marginal funding offer or a complete history of grants.

    We have not verified a suitable donation route for this reviewed activity. Confirm the legal recipient and intended allocation before donating.

    6. Sources

    1. Head Start / Early Head Start Annual Report2023–2024. Mission Neighborhood Centers. Local toothbrushing and dental navigation; not verified varnish delivery or causal health. Published: FY2023–2024; website March2025; retrieved: 2026-09-07.
    2. Fluoride varnish efficacy in preventing early childhood caries. Weintraub et al., Journal of Dental Research. Primary SF randomized trial; assigned-treatment odds, attrition and protocol deviation. Published: 2006-02; retrieved: 2026-09-07.
    3. US childhood dental economic model, author manuscript. Janusz et al.. External reimbursement and expert/literature pain-QALY model inputs. Published: 2024; retrieved: 2026-09-07.
    4. Fluoride varnish added to supervised toothbrushing randomized trial. Effenberger et al.. Primary South African cluster trial; no significant additive caries benefit, different population. Published: 2021; retrieved: 2026-09-07.

    Annual expenses: years and sources

    Average annual expenses (three consecutive fiscal years): $39,557,321. Organization size is separate from the modeled cost-effectiveness of a donation.

    Mission Neighborhood Centers Inc

    Whole legal entity Form 990 Part IX total functional expenses; latest original reconstructed filings checked, fiscal-end year from printed reporting dates. Older fallback rows from IRS extracted API.

    Latest original filings checked; ProPublica extracted API lags these original returns.