Journal: Drug Invention Today

Article Id: JPRS-P col-00003150
Title: Reliability of Ashley Howe’s analysis in South Indian population
Category: Pharmaceutics
Section: Research Article
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    Introduction: The study models were the first diagnostic records used in orthodontic diagnosis and treatment planning. Many authors have introduced different analysis to assess the relationship between the teeth and respective arch dimensions. Ethnic variations in the genesis of malocclusions have been studied; hence, any index developed for a particular group of population cannot be applied as such to another group. The main aim of this study is to evaluate the reliability of Ashley Howe’s analysis on South Indian population. Materials and Methods: Diagnostics models of 30 dental students and patients with Angle’s Class 1 malocclusion with crowding or spacing <2–3 mm were used for the analysis. The impressions are made using alginate and the casts are poured using orthocal stone (type 5 gypsum). All the values required for the analysis including the premolar width (premolar diameter), premolar basal arch width (PMBAW), and the total tooth material (TTM) are measured using a QST is the Company name and it doesn’t have full form metal express digital Vernier caliper and the PMBAW percentage (PMBAW%) is calculated by the formula given in the original study by Ashley Howe. The values obtained are tabulated in Excel sheets. Results: The results showed that there is a significant difference between the values obtained from the original study of Ashley Howe and the current study in South Indian population. The mean of the TTM and the PMBAW% values obtained from the current study is significantly different from the original study. Conclusion: Ashley Howe’s analysis is not reliable in South Indian population. Ethnic variations are seen between the original study which is done on a mixed population and the current study which is done on the South Indian population.

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    Author(s) Name:

    Aravinthrajkumar Govindaraj*, S. Aravind Kumar, M. Srirengalakshmi

    Affiliation(s) Name:

    Department of Orthodontics, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India

    *Corresponding author: Dr. G. Aravinthrajkumar, Department of Orthodontics, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India.

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    Author:

    Aravinthrajkumar Govindaraj*, S. Aravind Kumar, M. Srirengalakshmi

    Title:Reliability of Ashley Howe’s analysis in South Indian population
    Journal:Drug Invention Today
    Vol(issue):11 (February)
    Year:2019
    Page No: (413-418)
  • Experimental Methods Keywords

    Methodology:Ashley Howe, Diagnosis, Malocclusion, Model analysis, Orthodontics
    Research Materials:30 dental students and patients

Keywords

Ashley Howe Diagnosis Malocclusion Model analysis Orthodontics

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