Antibiotic resistance is a global health threats that require attention from all healthcare providers. In Periodontology, antibiotic is prescribed in many clinical situations. The aim of this study is to assess the followings among Periodontists (1) The knowledge, attitude, and practices (KAP) towards antibiotics and antibiotic resistance; (2) The prescribing practices of antibiotics in periodontal therapy; (3) The correlation between personal perception of antibiotics uses and the professional prescription patterns; and (4) The differences in antibiotics prescription in relation to the years of experience and the academic background.

The study is designed as a cross-sectional online-based questionnaire, and it will be distributed among periodontitis. The study will be conducted in Egypt as a nationwide survey study. Google Form was used to develop online-based questionnaires.

Inclusion Criteria:

• Periodontists who practice in Egypt.
• Must hold at least a master's degree in Periodontology
• Willing to provide informed consent to participate in the study and agree to use the data for publication purposes.

Exclusion Criteria:

• Periodontists who don not practice in Egypt.
• Periodontists who don not hold postgraduate degree

Study population is representable sample of the periodontists who practice in Egypt and have postgraduate degree in Periodontology.

Any personal data will be protected and secured