Dental is the only industry with zero citations across all three cities. The audited businesses have strong traditional signals: high GBP review counts, strong schema markup in one case, and established presences. None produced AI citations. The dental citation gap is a health-aggregator coverage problem — dental businesses need presence in Healthgrades, Zocdoc, and dental-specific directories that AI engines prioritize.
0 / 3
Zero citations across all three cities — the most uniformly invisible industry
Dental is the only industry in the 3-city cohort with zero AI citations in every city tested. The audited businesses have GBP reviews, established presences, and in one case the most specific schema type in the city audit. None of these signals produced AI citations. The dental category has a structural citation infrastructure gap that reviews and schema alone cannot bridge.
Schema ≠ Citation
Houston Dental deployed DentistOrganization schema — still zero citations
Houston Dental deployed DentistOrganization schema, the most specific and appropriate schema type for dental practices — scored 46 and received zero AI citations. Schema is an identity signal; citation sources are a trust signal. Both are required. Schema alone without citation source breadth does not produce AI visibility.
Reviews
Chicago Dental has the highest GBP review count in Chicago — zero citations
Chicago Dental has 1,368 GBP reviews — the highest review count of any business in the Chicago cohort. It scored 40 and received zero AI citations. In dental, review count is irrelevant to AI citation unless accompanied by presence in health-specific aggregators (Healthgrades, Zocdoc, 1-800-Dentist) that AI engines draw from.
Multi-location
Multi-location practices face additional NAP fragmentation risk
Atlanta Dental operates two locations and scored 40. Multi-location dental practices frequently have NAP inconsistencies — different addresses create different entities in the citation network, splitting citation footprint. Each location needs its own fully optimized citation profile with consistent practice name across both.