Validity of CPITN Index Applied by Undergraduate Dental Students


  • Dler A. Khursheed Department of Periodontics, College of Dentistry, Sulaimani University, Kurdistan Region, Iraq. Author
  • Faraedon M. Zardawi Department of Periodontics, College of Dentistry, Sulaimani University, Kurdistan Region, Iraq. Author
  • Shokhan A. Karim Department of Periodontics, College of Dentistry, Sulaimani University, Kurdistan Region, Iraq. Author
  • Adham A. Abdulrahman Department of Preventive Dentistry, Orthodontics, and Pedodontics, College of Dentistry, Sulaimani University, Kurdistan Region, Iraq. Author
  • Sarhang S. Gul Department of Periodontics, College of Dentistry, Sulaimani University, Kurdistan Region, Iraq. Author
  • Rishwan O. Salih Shorsh Teaching Center, Sulaimani, Kurdistan Region, Iraq. Author



CPITN, Gingivitis, Periodontitis


Objective: The goal of the community periodontal index of treatment needs (CPITN) is to determine the periodontal conditions and treatment needs in populations. It can also be used for preliminary diagnostic tool in the dental clinic. Therefore, the aim of this study was to evaluate the relation of patients’ narration of oral hygiene measures on the plaque, bleeding and CPITN indices and validity of records performed by undergraduate students. 

Methods: Data of 405 patients were retrieved in this study. It was composed of patient’s narrations records of oral hygiene measures (type and frequency) plus plaque, bleeding and CPITN indices, and the number of cigarettes per day. Ramfjord’s teeth were used for plaque and bleeding indices, while all teeth in the sextants examined in the CPITN index system. Chi- square test used to determine the relationship between oral hygiene maneuver and dental plaque, bleeding and CPITN sextant scores.

Results: Toothbrushing, type, and frequency showed significant relations with dental plaque scores. However, neither smoking nor other oral hygiene measures were shown to be related to bleeding scores. Smoking, toothbrushing techniques and mouthwashes had shown significant relations with mean CPITN index, whereas the other variables had shown non- significant relations with CPITN. Score 2 form the highest percentages, followed by score 3 and score 1, respectively.

Conclusions: The study did not show a positive association with the level of oral hygiene measures as narrated by the patients and their oral health status. Furthermore, the records of CPITN were consistent with many previous studies.


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How to Cite

Validity of CPITN Index Applied by Undergraduate Dental Students. (2019). Sulaimani Dental Journal, 6(2), 7.

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