| Author and year | Study location | Age group | Gender | Sample size | Dental caries measurement | Prevalence of dental caries |
| Al‐Tamimi, S., 1998 | Medina | 6, 12 | Both | 480 | DMFT + dmft | Primary teeth 87% Permanent teeth 83% | Bhayat, A., 2014 | Medina | 12 | Male | 360 | DMFT | Primary teeth 57.2% | Mahrous, M. S., 2016 | Medina | 6, 12 | Both | 316 | DMFT + dmft | Primary teeth 86% Permanent teeth 67.6% | Abolfotouh, M. A., 2000 | Abha | 6, 12 | Male | 959 | DMFT + dmft | Primary teeth 93.3% Permanent teeth 49.5% | Alkhunaizi, Y. M., 2018 | Dhahran, Al-Khobar | 6, 12, 15 | Female | 895 | DMFT + dmft | Primary teeth 73% Permanent teeth 82% | Farooqi, F. A., 2015 | Dammam | 6, 7, 12 | Both | 711 | DMFT + dmft | Primary teeth 77.8% Permanent teeth 68% | Khan, N. B., 2001 | Al-ahsa | 6–7 | Both | 457 | dmft | Primary teeth 82.9% | Alamoudi, N., 1996 | Jeddah | 6, 7 | Not reported | 571 | dmft | Primary teeth 73.5% | Qutob, A. (2009) | Jeddah | 6, 12 | Both | 800 | DMFT + dmft | Primary teeth 91% Permanent teeth 71.7% | Gandeh, M. B. S., (2000) | Jeddah | 6–7 | Both | 39,296 | dmft | Primary teeth 83.4% | Alkarimi, H. A., 2014 | Jeddah | Mean age 6.8 | Both | 417 | dmft | Primary teeth 87.1% | Al-rafee, M. A., 2019 | Riyadh region | 6, 12, 15 | Both | 1986 | DMFT + dmft | Primary teeth 85.77% Permanent teeth 64.98% | Aldosari, A. M., 2004 | Riyadh and qaseem | 6–7 and 12–13 | Both | 1104 | DMFT + dmft | Primary teeth 91.2% Permanent teeth 90.5% | Alamri, A. A., 2017 | Riyadh | 6 | Male | 672 | dmft | Primary teeth 76.4% | Alshiha, S. A., 2017 | Riyadh | 6–7 | Female | 6183 | dmft | Primary teeth 85.5% | Alhabdan, Y. A., 2018 | Riyadh | Mean age 6.92 | Male | 578 | dmft | Primary teeth 83% | Paul, T. R. 2003 | Al-kharj | 5 | Both | 103 | dmft | Primary teeth 83.5% | Al‐Shammery, A. R., 1999 | Saudi Arabia | 12–13 | Both | 1873 | DMFT | Rural areas were 67% Urban areas were 74% |
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