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Prevalence of dens invaginatus and its association with periapical lesions in a Western Indian population—a study using cone-beam computed tomography

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Abstract

Objectives

This study aimed to assess the prevalence of dens invaginatus (DI) and its association with periapical lesions (PLs) in a Western Indian population by means of cone-beam computed tomography (CBCT).

Materials and methods

CBCT volumes of 5201 subjects were evaluated. Associations among gender, tooth type, DI type (Oehler’s classification), and presence of PL were investigated. PL was codified using Estrela’s Cone Beam Computed Tomography Periapical Index (CBCTPAI). Chi-square tests and descriptive statistics were used at p = 0.05.

Results

Overall, 7048 CBCTs were assessed, containing 19,798 maxillary and mandibular anteriors, of which 77 maxillary teeth demonstrated DI (0.39% of all anteriors). Of all 5201 subjects, 57 had DI (1.1%). Bilateral DI was more common in females than in males (p = 0.046). DI type distribution was as follows: type I (22.1%), type II (61.03%), type IIIa (10.4%), and type IIIb (6.5%), which was significantly different (p < 0.001). Maxillary lateral incisors were the most associated with PL (p < 0.001). Type I was frequently associated with CBCTPAI scores 1 and 2 (absence of PL), whereas types II, IIIa, and IIIb were associated with CBCTPAI scores 3, 4, and 5 (presence of PL).

Conclusions

A prevalence of 1.1% identifies DI as a common developmental tooth anomaly in a Western Indian subpopulation. The percentage of maxillary anteriors affected by DI and associated PLs should be considered before diagnosis and treatment planning.

Clinical relevance

Knowledge about the prevalence of DI and its subtypes, and their association with/without periapical pathosis may aid clinicians in treatment planning and execution to improve patient outcomes.

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Authors and Affiliations

  1. Department of Conservative Dentistry and Endodontics, M.A. Rangoonwala College of Dental Sciences and Research Center, Pune, India

    Vivek Hegde, Asiya Mujawar & Srilatha Shanmugasundaram

  2. Division of Restorative Dentistry, School of Dentistry, International Medical University, Kuala Lumpur, Malaysia

    Preena Sidhu

  3. Hamad Dental Center, Hamad Medical Corporation, Doha, Qatar

    Srinivasan Narasimhan

  4. Department of Endodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA

    Frank C. Setzer

  5. Department of Preventive and Restorative Dentistry, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates

    Venkateshbabu Nagendrababu

Authors
  1. Vivek Hegde
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  2. Asiya Mujawar
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  3. Srilatha Shanmugasundaram
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  4. Preena Sidhu
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  5. Srinivasan Narasimhan
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  6. Frank C. Setzer
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  7. Venkateshbabu Nagendrababu
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Corresponding authors

Correspondence to Vivek Hegde or Venkateshbabu Nagendrababu.

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The Ethical Committee of the Maharashtra Cosmopolitan Education Society (MCES), Pune, India, approved this study (MCES/EC/530-A/2019).

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Hegde, V., Mujawar, A., Shanmugasundaram, S. et al. Prevalence of dens invaginatus and its association with periapical lesions in a Western Indian population—a study using cone-beam computed tomography. Clin Oral Invest 26, 5875–5883 (2022). https://doi.org/10.1007/s00784-022-04545-3

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