Journal: Drug Invention Today

Article Id: JPRS-Other-00002182
Title: Reliability of pterygomaxillary notch in determination of width of maxillary anterior in Indian and Malaysian population
Category: Others ( DIT Related Science )
Section: Research Article
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    Background: Compared to other intraoral landmarks, pterygomaxillary notch (PMN) is a highly significant structure, as it can be easily identified on the casts and not subject to any soft tissue changes. With regard to choosing the dentate casts, it is justified that the measurements from artificial teeth may be misleading when compared to the natural teeth. Therefore, dentate casts are considered as the better option in measuring the width of maxillary anterior. Aim: The main objective of this study is to determine the width of maxillary anterior in dentate casts of Indian and Malaysian population, using PMN as the anatomical landmark. Materials and methods: The study comprises 17 Indian and 17 Malaysian population of 18– 30 years of age with Angle’s Class 1 maxillomandibular relationship. The exclusion criteria are patients with carious lesions, periodontal problems, edentulous spaces, history of orthodontic treatment, malocclusion, and other congenital dental defects. Impression was made using irreversible hydrocolloid impression material. Casts were obtained after pouring the impression with hard setting dental stone. The six anterior tooth width measurements from each of the casts were summed up to give a total width of maxillary anterior on each cast. The distance between the PMN was measured using a Vernier Caliper to determine its correlation with the width of maxillary anterior. The level of significance was established at α = 0.01 for Indian population and α = 0.05 for Malaysian population. Results: The mean mesiodistal width of the six maxillary anterior teeth was 45.35 mm, and the mean distance of the inter PMN was 43.18 mm in Indian population. In the Malaysian population, the mean mesiodistal width of maxillary anterior teeth was 47.00 mm, and the mean distance of the inter PMN was 45.25 mm. There was a statistically significant positive correlation between the inter PMN distance and total mesiodistal width of the six maxillary anterior teeth. Conclusion: It is concluded that the PMN can be used as a putative guide in determining the width of maxillary anterior, irrespective of different group populations. However, further research is recommended in this field, to establish a method that is universally accepted in maxillary anterior width measurement.

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    Author(s) Name:

    Chandini Ravikumar, Ashish R. Jain*

    Affiliation(s) Name:

    Department of Prosthodontics, Saveetha Dental College and Hospital, Saveetha University, Chennai, Tamil Nadu, India

    *Corresponding author: Dr. Ashish R. Jain, Department of Prosthodontics, Saveetha Dental College and Hospital, Saveetha University, 162 Poonamallee High Road, Chennai - 600 077, Tamil Nadu, India.

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    Author:

    Chandini Ravikumar, Ashish R. Jain*

    Title:Reliability of pterygomaxillary notch in determination of width of maxillary anterior in Indian and Malaysian population
    Journal:Drug Invention Today
    Vol(issue):10 (April)
    Year:2018
    Page No: (525-530)
  • Experimental Methods Keywords

    Methodology:Pterygomaxillary notch, Maxillary anterior, Indian, Malaysian population
    Research Materials: 17 Indian and 17 Malaysian

Keywords

Pterygomaxillary notch Maxillary anterior Indian Malaysian population

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