Evidence based dentistry

Evidence-Based Dentistry (EBD) is an approach to oral health care that requires the judicious integration of systematic assessments of clinically relevant scientific evidence, relating to the patient's oral and medical condition and history, with the dentist's clinical expertise and the patient's treatment needs and preferences. This approach is derived from the broader concept of evidence-based medicine.

History

The concept of evidence-based practice in dentistry emerged in the late 20th century, paralleling the development of evidence-based medicine. The term "evidence-based dentistry" was first introduced in the 1990s, as dental professionals sought to apply the principles of evidence-based medicine to the field of dentistry. The American Dental Association (ADA) has been a significant proponent of EBD, establishing the Center for Evidence-Based Dentistry to promote the integration of scientific evidence into dental practice.

Principles of Evidence-Based Dentistry

Evidence-Based Dentistry is founded on three core principles:

1. Best Available Evidence: The use of the best available scientific evidence, which is often derived from systematic reviews, meta-analyses, and randomized controlled trials.
2. Clinical Expertise: The dentist's clinical skills and past experience are crucial in interpreting the evidence and applying it to the individual patient's situation.
3. Patient Values and Preferences: The patient's needs, preferences, and values must be considered in the decision-making process.

Process of Evidence-Based Dentistry

The process of EBD involves several steps:

1. Formulating a Clear Clinical Question

The first step is to formulate a clear, focused clinical question. This often follows the PICO format, which stands for:

• Patient or Problem
• Intervention
• Comparison
• Outcome

2. Searching for Evidence

Once the clinical question is formulated, the next step is to search for the best available evidence. This involves searching databases such as PubMed, Cochrane Library, and other relevant sources for systematic reviews, clinical trials, and other high-quality studies.

3. Appraising the Evidence

The evidence must be critically appraised for its validity, impact, and applicability. This involves assessing the methodology, results, and relevance of the studies found.

4. Applying the Evidence

The evidence is then integrated with the dentist's clinical expertise and the patient's preferences to make a well-informed clinical decision.

5. Evaluating the Outcome

Finally, the outcomes of the decision are evaluated to ensure that the desired results are achieved and to improve future decision-making processes.

Challenges in Evidence-Based Dentistry

Despite its benefits, EBD faces several challenges:

• Availability of High-Quality Evidence: There is often a lack of high-quality evidence in dentistry, which can make it difficult to apply EBD principles.
• Time Constraints: Dentists may find it challenging to keep up with the latest research due to time constraints.
• Integration into Practice: Incorporating EBD into everyday practice requires changes in workflow and mindset, which can be difficult to achieve.

Conclusion

Evidence-Based Dentistry is a critical approach to modern dental practice, ensuring that patient care is based on the best available evidence, clinical expertise, and patient preferences. While challenges exist, the continued development of resources and training in EBD will enhance its application and improve patient outcomes.

See Also

• Evidence-based medicine
• Systematic review
• Randomized controlled trial

References

• American Dental Association. "Center for Evidence-Based Dentistry."
• Sackett DL, Rosenberg WM, Gray JA, Haynes RB, Richardson WS. "Evidence based medicine: what it is and what it isn't." BMJ. 1996 Jan 13;312(7023):71-2.

External Links

• Cochrane Library
• PubMed