Anti-plaque efficacy of Siwak as a mechanical tooth stick


  • Mahdieh Zarabadipour
  • Reihaneh Saffari
  • Monirsadat Mirzadeh



Siwak, Salvadora persica L., Tooth brush, Chewing stick, Dental plaque


Introduction: Dental plaque removal is an important goal in oral hygiene program. The public interest in herbal medicine and natural products has grown in the past few years. Siwak (Salvadora persica L. (kharijal)) is an ancient tooth stick that has preventive and therapeutic effects on oral cavity. The aim of the present study is to evaluate the effect of siwak chewing sticks on plaque accumulation on tooth surface. Materials and Methods: In this randomized clinical trial study 80 volunteer was selected randomly for complete the study chart. They were enrolled in the study for being in the one of the four study groups: active siwak, inactive siwak, usual tooth brush and no-oral hygiene. The participants wanted to use their instruction for 6 days. Base line (PI-1) and 3-day (PI-2) and 6-day (PI-3) plaque indexes was recorded by Sillness and Loe method. Data evaluation was done using SPSS-22 and Kruskal Wallis Test, Chi-Square Tests. Results: There was a significant reduction of the plaque index in PI-3 (p= 0.029). But in the others, there was no significant difference in the change of plaque index between groups (p>0.05). Conclusion: It is concluded that siwak were able to reduce dental plaque as a mechanical tooth brush and if it uses in active form (fresh plant), the reduction of plaque accumulation is more prominent and effective.

Author Biographies

Mahdieh Zarabadipour

Assistant Professor of Oral and Maxillofacial Medicine, Dental Caries Prevention Research Center, Qazvin University of Medical Sciences, Qazvin, Iran.

Reihaneh Saffari

General Dentist, Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran.

Monirsadat Mirzadeh

Assistant Professor of Community Medicine, Metabolic Disease Research Center, Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran.




How to Cite

Zarabadipour, M., Saffari, R., & Mirzadeh, M. (2020). Anti-plaque efficacy of Siwak as a mechanical tooth stick. International Journal of Ayurvedic Medicine, 11(3), 559–562.



Research Articles