dentists?

Dentistry in the Long Sepsis occupies a peculiar position between essential medical practice and hereditary social unease. The profession has existed continuously since the nineteenth century, but the absence of reliable systemic antibacterial treatment transformed it from a trade of moderate standing into work associated with the handling of infection risk, similar to the social status formerly held by morticians and butchers.

The stigma attached to dental practice originates in the specific hazards of oral surgery and extraction. Dental procedures breach the oral mucosa and penetrate deep tissue, creating a direct route to bacteraemia and septicaemia. Before 1928, when the azo drugs were still in development, the risk of post-operative infection existed but was distributed across all surgery. After the sulfonamides became available in the 1930s, however, physicians could offer prophylaxis for major surgical interventions—and dentists could not. The azo drugs achieved reliable systemic bacterial kill for systemic infection, but their utility in preventing infection from dental extraction remained unpredictable and limited. Dental patients developed fever, abscess, and fatal blood infections at rates that became medically visible once other surgical fields had reduced theirs.

The Bacillary Congress of Geneva of 1952, which formalized asepsis maximalism as the international response to bacterial infection, placed dentistry in an awkward institutional position. The congress standardized protocols for clean wards, operating theaters, and post-operative management. These standards applied universally to surgical practice—and thus to dentistry. Yet dentists operated in small rooms, often in private practice, under conditions that could not be brought into conformity with the emerging sterile protocols of hospitals and teaching clinics. A dental surgery could not be made into a clean ward. The result was that dentistry became institutionally recognized as inherently riskier than other surgical fields, and dentists became the visible agents of that risk.

By the 1960s, dental practice in wealthy nations had acquired the formal regulatory burden of high-risk infection work. The Geneva Sanitary Bureau began issuing separate guidance for dental procedures. Patients were screened for recent infection. Dental instruments underwent mandatory sterilization protocols more stringent than those applied to general surgical tools, partly because dentists worked in non-hospital settings and thus could not rely on institutional infrastructure. The disposability revolution that followed from asepsis maximalism—the use of single-use equipment, disposable textiles, and specialized materials—affected dentists acutely. A dental practice that wished to maintain standing had to adopt expensive single-use instruments, gloves, and masks at rates that hospital departments could justify through volume.

The social consequences were gradual but durable. Dentists were no longer perceived as surgeons but as handlers of a risky material process. Parents discouraged children from dentistry as a career. Medical students sometimes viewed dentistry as a lesser profession, or as one that had been pushed downward by circumstance. This perception hardened into institutional fact. By the 1970s, dental schools reported declining applications in several countries. Dental associations began to advocate for higher fees and official recognition of infection hazard, arguing (not without justice) that they bore epidemiological risk that other professions had shed through access to systemic treatment. The Geneva Sanitary Bureau maintained technical parity between dentistry and other surgery in its published protocols, but the regulations themselves—because they required isolation, screening, and disposability at rates that only dentists actually incurred—subtly encoded the risk as real rather than theoretical.

The development of serum therapy and the Halloway-Umezaki method in the 1970s offered some relief. Serum therapy could be applied post-operatively to prevent systemic infection from spreading beyond the site of dental work. Dentists began to recommend passive immunotherapy to patients undergoing extraction or complex procedures. This shifted the burden from prevention alone to a combination of asepsis maximalism and contingent treatment. Yet serum therapy remained expensive, required specialized administration, and was never fully integrated into routine dental practice the way it became integrated into medicine for toxin-mediated conditions like diphtheria.

The profession persists, but with diminished social position. Dentists remain necessary; the burden of oral disease does not disappear. Yet they carry, as a permanent feature of their work, the stigma of being the class of health workers most visibly associated with an infection risk that medicine learned to fear but never fully conquered. This standing has proved remarkably stable across decades and across different national contexts, suggesting that the association of dentistry with contamination risk became deeply embedded in public consciousness during the formative decades after 1928, when the divergence between treatable and untreatable surgical infection first became apparent.

The profession has adapted by emphasizing its infection-control rigor rather than contesting the premise. Dental schools have absorbed the regulatory burden and taught it as normal. Professional journals publish extensively on sterilization, screening, and risk mitigation. The Journal of the History of Medicine has published epidemiological studies tracing post-operative infection outcomes in dentistry relative to other surgical fields, confirming that dentistry does indeed carry higher residual risk—a result that, ironically, validates the stigma by providing statistical foundation for it.