Working Commission

Working Commission on the Classification of Periodontal and Peri-Implant Diseases and Conditions

The Working Commission on the Classification of Periodontal and Peri-Implant Diseases and Conditions is a specialized group convened by leading dental and periodontal organizations, including the American Academy of Periodontology (AAP) and the European Federation of Periodontology (EFP). Its primary role is to review, update, and establish comprehensive classifications for periodontal and peri-implant diseases and conditions, ensuring they reflect the latest scientific evidence and clinical insights. This effort is crucial for standardizing diagnosis, treatment planning, and research methodologies across the dental profession.

Background

Periodontal diseases are infections and inflammatory conditions that affect the tissues surrounding and supporting the teeth, including the gums, periodontal ligament, and alveolar bone. Peri-implant diseases, similarly, affect the tissues surrounding dental implants. The classification of these diseases has evolved over the years, with significant updates reflecting advancements in understanding their etiology, pathogenesis, and treatment outcomes.

Formation and Objectives

The Working Commission was formed through a collaborative effort between the AAP and the EFP, recognizing the need for a unified, evidence-based classification system. Its objectives include:

• Reviewing current scientific literature and clinical data on periodontal and peri-implant diseases.
• Proposing updates to the classification system to reflect current understanding and clinical practices.
• Facilitating global consensus among dental professionals on the classification of these conditions.
• Enhancing the quality of patient care by standardizing diagnostic and treatment protocols.

Key Updates and Classifications

The most recent update from the Working Commission was presented in 2017, introducing significant changes to the classification of periodontal and peri-implant diseases. Key highlights include:

• Introduction of a multi-dimensional staging and grading system for periodontitis, considering disease severity, complexity of management, and systemic health factors.
• Classification of peri-implant diseases into peri-implant mucositis and peri-implantitis, based on the presence and extent of tissue inflammation and bone loss.
• Recognition of gingival diseases as a separate category, with specific criteria for acute and chronic conditions.

Impact and Implementation

The updated classification system has been widely adopted by dental professionals worldwide, influencing clinical practice, education, and research in periodontology and implant dentistry. It has facilitated more precise diagnosis, improved treatment planning, and enhanced communication among clinicians and researchers.

Future Directions

The Working Commission continues to monitor emerging evidence and clinical practices, with the aim of further refining the classification system as necessary. Ongoing efforts focus on integrating new diagnostic technologies, understanding the genetic and systemic factors influencing periodontal and peri-implant diseases, and promoting global adoption of the classification system.

See Also

• Periodontitis
• Peri-implantitis
• Gingivitis
• Dental implant
• American Academy of Periodontology
• European Federation of Periodontology

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