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Original Research

Open Access

Prevalence of most caries-susceptible area on individual primary tooth surface: an observational study

  • Vinay Kumar Srivastava1
  • Sheetal Badnaware1,*,
  • Aman Kumar1
  • Mahesh Khairnar2
  • Meenakshi Chandel1
  • Vaishali Bhati1
  • Pooja Gupta1
  • Sannu Sonal1
  • Shalini Ramasamy1

1Pediatric and Preventive Dentistry, Faculty of Dental Sciences, IMS, BHU, 221005 Varanasi, India

2Public Health Dentistry, Faculty of Dental Sciences, IMS, BHU, 221005 Varanasi, India

DOI: 10.22514/jocpd.2024.040 Vol.48,Issue 2,March 2024 pp.111-120

Submitted: 26 May 2023 Accepted: 03 August 2023

Published: 03 March 2024

*Corresponding Author(s): Sheetal Badnaware E-mail:


Due to multifactorial aetiology, tooth surfaces of primary dentition are more prone to dental caries and follow the specific pattern of dental caries which is difficult to control. The proper knowledge of caries-susceptible areas on individual primary teeth surfaces guides the clinician to take early preventive measures to stop the progression of dental caries. This study aims to find the prevalence of caries-susceptible areas on primary teeth surfaces in preschool children and the most commonly affected primary teeth. The study design adopted was a cross-sectional study. A total number of 3720 teeth of 186 preschool children were examined for initial pinpoint caries lesions using World Health Organization (WHO) caries detection criteria. 33 caries-susceptible areas were examined on individual primary tooth surfaces of preschool children who visited the Faculty of Dental Sciences. Each tooth surface was recorded separately and no radiographic examination was done. Obtained data was analysed keeping the level of significance at 5%. The overall prevalence of caries-susceptible area was found significantly higher in the maxillary teeth (Maxillary teeth: 41.7% vs. Mandible teeth: 30.7%; p < 0.001) and anterior teeth (Anterior teeth: 43.7% vs. Posterior teeth: 28.4%; p < 0.001). The prevalence of caries-susceptible area on primary teeth on the right side when compared to left counterparts was similar (Right side-38.6% and left side-38.4%; p = 0.931). Area 2 was the most prevalent area on primary teeth surfaces and primary canine was more prevalent in caries-susceptible areas.


Caries-susceptible area; White spot lesion; Caries pattern; Dental caries

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Vinay Kumar Srivastava,Sheetal Badnaware,Aman Kumar,Mahesh Khairnar,Meenakshi Chandel,Vaishali Bhati,Pooja Gupta,Sannu Sonal,Shalini Ramasamy. Prevalence of most caries-susceptible area on individual primary tooth surface: an observational study. Journal of Clinical Pediatric Dentistry. 2024. 48(2);111-120.


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