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Lip incompetence and traumatic dental injuries: a systematic review and meta-analysis

Evidence-Based Dentistry (2022)Cite this article

Abstract

Background/aim Traumatic dental injury is an impact injury to the teeth and/or other hard and soft tissues severity of which can lead to pain, as well as aesthetic, psychological, behavioural and functional problems among children. Lip incompetence directly exposes teeth increasing the risk of traumatic dental injuries. This review aimed to assess the existing evidence regarding association of lip incompetence and dental trauma.

Methods The review protocol was registered with PROSPERO with Protocol number: CRD42020163069. Electronic searches of grey literature and three databases were performed. Cross sectional studies conducted between the years 2009-2019 on children aged 0-15 years were selected. Studies were evaluated with the help of NIH quality assessment scale. Data on research question, study population, inclusion and exclusion criteria, sample size justification, exposure and outcome clearly defined and adjustment for confounding variables were assessed. All analyses were performed using Review Manager 5.4.

Results The study identified 10,223 articles, 33 were included. Among these 20 identified articles reported 'Good' quality with 13 studies reporting 'Fair' quality post assessment. Subject with lip incompetence were at 2.44 (1.59-3.75) times the risk of developing traumatic injuries during primary dentition. This risk increases to 3.26 (2.21;4.53) times in mixed and permanent dentition. At 12 years of age the OR for dental trauma is 3.77 (2.06;6.91) in subjects with incompetent lips.

Conclusions The results confirm the association between lip incompetence and dental trauma.

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Authors and Affiliations

  1. Postgraduate Institute of Dental Sciences, Public Health Dentistry, Rohtak, 124001, India

    Madhavi Wig, Adarsh Kumar, Manjunath Bhadravathi Chaluvaiah, Vipul Yadav & Radhey Shyam

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  1. Madhavi Wig
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  2. Adarsh Kumar
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Contributions

Madhavi Wig contributed to the conception and design of the work; collected the data, carried out the experiment and prepared the manuscript. Adarsh Kumar devised the design of the study, acquisition of data, analysis and interpretation of data. Manjunath Bhadravathi Chaluvaiah provided final approval of the version of the manuscript to be submitted. Vipul Yadav drafted the article and revised it critically for important intellectual content. Radhey Shyam Sharma aided in interpreting the results and worked on the manuscript, worked out the technical details and assisted in design and implementation of the research.

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Correspondence to Madhavi Wig.

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Wig, M., Kumar, A., Chaluvaiah, M. et al. Lip incompetence and traumatic dental injuries: a systematic review and meta-analysis. Evid Based Dent (2022). https://doi.org/10.1038/s41432-022-0258-7

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