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If a child has a flush terminal plane molar relationship early in the mixed dentition, about 3.5 mm of movement of the lower molar forward relative to the upper molar is required for a smooth transition to a Class I molar relationship in the permanent dentition. About half of this distance must be supplied by differential growth of the lower jaw, carrying the lower molar with it. The other half can be obtained from the leeway space, which allows greater mesial movement of the mandibular than the maxillary molar. The aim of this study is to determine the prevalence of distal step malocclusion in mixed dentition in a private dental institute. A study was carried out by collecting data by reviewing patients data and analysing the data of 86000 patients between June 2019 and March 2020 at the private dental institute. The sample size that was taken included 4420 number of children with mixed dentition aged 6-12 years old, who came to the private dental institute for consultation. The dental malocclusion status was analysed and recorded. Data of children that had distal step malocclusion were segregated and analysed with gender and age distribution. Data was statistically analysed using SPSS 2.0 (IBM 2019) PC Version for Windows, Chi-Test was conducted. Result was recorded. Out of 4420 patients, 395 patients had distal step malocclusion. The study revealed that the prevalence of distal step malocclusion in a private dental institute was only 8.9%, predominantly male patients. About 395 had distal step malocclusion which included 211(53%) were male patients and female patients were 184(47%). Statistically, the association of age and gender among patients with distal step malocclusion was not significant (p>0.05), [Pearson Chi Square Test Value= 5.394; df= 6; p value= 0.494 ( > 0.05)]. As a conclusion, the prevalence of distal step malocclusion in mixed dentition in the private dental institute was found to be 8.9%.
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"Prevalence of mesial step malocclusion in mixed dentition", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.6, Issue 5, page no.36 - 40, May-2021, Available :http://www.ijrti.org/papers/IJRTI2105008.pdf
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2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator