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Librarian Dental

Deep search over dental PubMed with DOI/PMID citations.

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What this agent does

Librarian Dental is the bibliographic agent of Dental Brain. It indexes and queries 18,538 scientific papers from PubMed specific to dentistry, returning answers with verifiable DOI and PMID citations. All derived data, ranking and answering happens on the clinic’s local server.

Why it matters

A dentist making clinical decisions based on literature needs three guarantees: that the search covers up-to-date evidence, that citations are verifiable (DOI/PMID), and that the query does not expose sensitive patient data. Librarian Dental delivers all three without going through cloud services.

How it works

The agent combines BM25 (lexical retrieval) with semantic SapBERT derived data (biomedical model) over Qdrant. It applies re-ranking and returns the top-K papers with structured citations (authors, year, journal, DOI, PMID). Periodic PubMed sync.

Integration with the clinical workflow

Librarian Dental is the engine backing Diagnostic Chat when deep evidence is required. It coordinates with Vademecum when the query touches pharmacology and with Pharmacy when a prescription is involved. All within the same server.

Autonomous decisions it makes

Index new PubMed papers on each periodic sync
Apply re-ranking on top-K candidates before returning results
Always return structured citation with verifiable DOI/PMID
Notify Diagnostic Chat when the evidence is contradictory
Discard low methodological quality papers without peer-review

Inputs and outputs

Receives

· Clinical question from the professional
· Optional filters (year range, study type)
· Search language (auto-detected)
· Context from Diagnostic Chat (when routed)

Produces

· Top-K papers list with DOI/PMID citations
· Synthetic summary of the state of evidence
· Consensus level (high/medium/low/contradictory)
· Relevant snippets from full text

Production metrics

18,538

Indexed papers

2-3s

Search latency

Daily

PubMed sync

Collaborates with

Diagnostic Chat

Tech stack

Model

BM25 + SapBERT derived data over Qdrant

Execution

Local on-premise GPU (no compromise between modules)

Latency

Immediate response

Privacy

Patient clinical data is never included in the query

Frequently asked questions

Does Librarian cover all areas of dentistry?+

The corpus focuses on dental literature indexed in peer-reviewed PubMed. It covers periodontics, endodontics, implantology, oral surgery, orthodontics, prosthodontics and pediatric dentistry. If a sub-area has insufficient coverage, the agent declares it explicitly instead of fabricating evidence.

How are citations guaranteed to be real?+

Each answer includes DOI and/or PMID — the dentist can verify the citation in PubMed or Crossref directly. There is no citation hallucination because references come from the physical index, not from the LLM.

Does it connect to the internet to query PubMed?+

Only during the scheduled sync (daily, outside clinical hours). Live queries from the dentist are served from the local index. The clinic server does not require permanent internet access.

Can I add my own papers to the index?+

Yes. The implementation team can upload additional PDFs (clinical guidelines, internal protocols, ad-hoc papers) and they are indexed alongside the PubMed corpus. They are marked as internal source.