Reverse evidence-based dentistry

Prof. Andrea Felice Mascolo

Fri. 14. August 2026

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Every week, clinicians are exposed to new technologies, materials, digital tools and therapeutic approaches that promise to improve patient care. Modern dentistry is experiencing an unprecedented acceleration in scientific discovery and technological innovation. Artificial intelligence, digital workflows, advanced biomaterials, salivary diagnostics, precision medicine and an expanding understanding of oral–systemic health are transforming the way clinicians diagnose conditions, plan treatment and deliver patient care. While these advances offer remarkable opportunities, they also present an important challenge: innovation frequently enters clinical practice before robust high-level evidence becomes available.^1–4

Conventionally, evidence-based dentistry has provided the foundation for integrating the best available research evidence with clinical expertise and patient values.⁵ However, in rapidly evolving fields, clinicians are increasingly required to make informed decisions in situations for which systematic reviews, clinical guidelines or long-term outcome data are still limited. The question is therefore not whether innovation should be embraced, but how it should be critically evaluated and responsibly integrated into clinical practice in a manner that maintains scientific rigour.^{1, 6, 7, 2}

This emerging reality calls for a complementary methodological perspective—one that begins not with published evidence alone, but with carefully documented clinical observations that can be translated into questions for structured scientific inquiry. It is within this context that reverse evidence-based dentistry has been proposed as a framework to strengthen reflective clinical reasoning, support evidence generation and promote responsible innovation without compromising the fundamental principles of evidence-based dentistry.^8, 1, 6

What reverse evidence-based dentistry really means

Reverse evidence-based dentistry should not be interpreted as an alternative to conventional evidence-based dentistry, nor as a departure from established scientific principles. Instead, it is a complementary methodological framework designed to strengthen clinical reasoning in situations where innovation, emerging technologies or recurring clinical observations raise questions that have not yet been fully addressed by the available evidence.⁸

The distinctive feature of reverse evidence-based dentistry lies in its starting point. Conventional evidence-based dentistry typically begins with an established clinical question and seeks the highest level of available evidence to guide decision-making. By contrast, reverse evidence-based dentistry begins with a carefully documented and reproducible clinical phenomenon—such as an unexpected outcome, a recurring patient pattern or an unmet clinical need—and systematically transforms that observation into a structured process of scientific inquiry.^8, 1 Clinical observation is therefore treated as the origin of a scientific question rather than as evidence in itself. This process requires rigorous literature appraisal, critical evaluation of existing knowledge, identification of evidence gaps and the design of appropriate validation strategies before any innovation can be considered for broader clinical adoption.^8, 1, 6

Importantly, reverse evidence-based dentistry seeks to ensure that clinically relevant questions emerging from everyday practice are investigated through transparent, reproducible and scientifically robust methods capable of generating new evidence and informing future clinical practice. It does not legitimise anecdotal experience or reverse the hierarchy of evidence; it reverses the starting point of inquiry.⁸

Fig 1: The reverse evidence-based dentistry pathway, detailing each step in the methodology. (Image: Prof. Andrea Felice Mascolo)

The reverse evidence-based dentistry pathway

The reverse evidence-based dentistry pathway provides a structured methodology for transforming recurring clinical observations or unmet clinical needs into scientifically testable questions (Fig. 1). It begins with the identification of a reproducible clinical observation or an unmet clinical need. This initial insight is translated into a structured clinical question, followed by a focused appraisal of the available scientific literature. Rather than viewing clinical experience as an end-point, the pathway treats it as the beginning of a systematic process aimed at generating robust evidence and improving future patient care.^8, 1, 6

Existing evidence is critically evaluated not only to identify what is already known, but also to determine where meaningful knowledge gaps remain.^8, 6 At this stage, the objective is not merely to identify supporting evidence, but also to recognise uncertainty, conflicting findings and areas where additional validation is required.

These gaps guide the design of appropriate validation strategies, which may include structured clinical audits, real-world observational studies and prospective clinical investigations, depending on the maturity of the available evidence and the complexity of the clinical question. The objective is not to accelerate adoption prematurely, but to ensure that innovation progresses through transparent and scientifically appropriate validation pathways.^1, 2 The extent and rigour of the validation required should be proportionate to the level of uncertainty and the potential impact of the innovation on patient care.

Importantly, the reverse evidence-based dentistry pathway is iterative rather than linear. Evidence generated through clinical implementation continuously informs subsequent observations, refines existing hypotheses and stimulates new cycles of investigation. In this way, everyday clinical practice becomes both a source and a beneficiary of continuous evidence generation, reinforcing the dynamic relationship between observation, validation and responsible innovation.^8, 1, 6

“The practical value of reverse evidence-based dentistry becomes evident when applied to everyday clinical decision-making across different areas of dental practice.”

From clinical questions to measurable evidence

The practical value of reverse evidence-based dentistry becomes evident when applied to everyday clinical decision-making across different areas of dental practice. Regardless of the clinical context, the underlying process remains the same: a recurring observation generates a focused question, existing evidence is critically appraised, knowledge gaps are identified and appropriate validation strategies are developed before changes are introduced into routine care.^{8, 1, 6, 7, 2}

In periodontal care, for example, clinical parameters such as probing depth or bleeding on probing describe disease status, but may not fully reflect the patient’s overall inflammatory burden. Integrating measures such as the periodontal inflamed surface area with high-sensitivity measurement of systemic inflammatory biomarkers like C-reactive protein has been proposed as a broader framework for understanding the biological relationship between periodontal inflammation and systemic health.^{6, 9, 10, 11}

The same reasoning is relevant in digital dentistry and artificial intelligence. Artificial intelligence systems can rapidly generate clinically relevant outputs, including diagnostic support, treatment suggestions and predictive models. However, these outputs should be interpreted as decision support tools rather than substitutes for professional judgement. By encouraging clinicians to question how recommendations were generated, what evidence supports them and where uncertainties remain, reverse evidence-based dentistry reinforces critical appraisal instead of unquestioning acceptance.^1, 2

A similar approach applies to emerging biomaterials, preventive strategies, regenerative therapies and digital workflows. Rather than beginning with product claims or technological novelty, responsible innovation should begin with clearly identified clinical needs, followed by systematic appraisal of the evidence and proportionate validation of the proposed innovation before wider implementation.^1, 3, 12

Responsible innovation begins with better questions

Innovation in dentistry should not be driven solely by technological advances or market opportunities. Truly responsible innovation begins much earlier—with the recognition of meaningful unmet clinical needs and the formulation of scientifically relevant questions. In this context, reverse evidence-based dentistry extends beyond clinical decision-making by providing a structured framework for guiding the early stages of translational research and innovation.^{8, 1, 3, 12}

Rather than beginning with a new material, technology or protocol, reverse evidence-based dentistry begins with the clinical problem that would justify the development of such an innovation. Investigating the resulting clinical question requires the integration of knowledge from several areas, including clinical dentistry, biomedical sciences, epidemiology, biomaterials, digital technologies and patient-centred outcomes. This multidisciplinary perspective helps distinguish genuine clinical priorities from perceived innovation needs driven primarily by technological enthusiasm or commercial trends.^1, 3, 12

Equally important is recognising the difference between a promising hypothesis and validated evidence. A biologically plausible concept or encouraging preliminary observation may justify further investigation, but it should never be interpreted as proof of clinical effectiveness. By encouraging proportionate validation before widespread implementation, reverse evidence-based dentistry supports a culture of scientific transparency, continuous learning and responsible adoption of innovation.^8, 1 Ultimately, responsible innovation does not begin with product development; it begins with asking better scientific questions that can guide the generation of better evidence and, consequently, lead to better patient care.

“Reverse evidence-based dentistry invites clinicians to look beyond the simple adoption of new technologies, products or protocols.”

From education to professional practice

Reverse evidence-based dentistry was initially conceived as an educational framework to strengthen reflective clinical reasoning and help dental students develop a more critical and evidence-aware approach to everyday clinical decision-making. By encouraging learners to begin with carefully observed clinical phenomena rather than predetermined answers, reverse evidence-based dentistry promoted curiosity, structured inquiry and lifelong scientific thinking.⁸

As the concept evolved, its potential became increasingly relevant beyond its original educational setting. Today, the same principles can support clinicians navigating rapidly changing technologies, researchers developing translational hypotheses, interdisciplinary teams integrating diverse sources of evidence and innovators seeking scientifically responsible pathways for developing new solutions.^{1, 6, 3, 12} Ultimately, reverse evidence-based dentistry is not simply a methodology; it is a professional mindset that encourages clinicians, researchers, educators and innovators to transform everyday clinical observations into opportunities for generating better evidence and improving patient care.

Take-home message

Reverse evidence-based dentistry invites clinicians to look beyond the simple adoption of new technologies, products or protocols. Every meaningful innovation should begin with a carefully formulated clinical question, followed by critical evidence appraisal and proportionate validation. By complementing—not replacing— conventional evidence-based dentistry, reverse evidence-based dentistry provides a practical framework for transforming everyday clinical observations into better evidence, more responsible innovation and, ultimately, better patient care.

Editorial note:

A full list of references can be found here.