IP Indian Journal of Orthodontics and Dentofacial Research
Official Publication of Khyati Education And Research Foundation
Official Publication of Khyati Education And Research Foundation
Print ISSN: 2581-9356
Online ISSN: 2581-9364
CODEN : IIJOCV
IP Indian Journal of Orthodontics and Dentofacial Research (IJODR) open access, peer-reviewed quarterly journal publishing since 2015 and is published under the Khyati Education and Research Foundation (KERF), is registered as a non-profit society (under the society registration act, 1860), Government of India with the vision of various accredited vocational courses in healthcare, education, paramedical, yoga, publication, teaching and research activity, with the aim of faster and better dissemination of knowledge, we will be publishing the more...Original Article
Author Details :
Volume : 2, Issue : 3, Year : 2016
Article Page : 115-118
Abstract
Aim: The purpose of this study was to compare the values of Bolton ratio for plaster dental casts versus software -based dental models made from a dual pour alginate impression.
Materials and Methods: Maxillary and mandibular alginate impressions were made for a sample of thirty-six patients with permanent dentitions from first molar to first molar. Impressions were poured in plaster allowed to set for 8-10 minutes. Casts were removed after cleaning second plaster poured. Thus without damaging dual pour procedure were performed. For digital casts, obtained plaster casts were Scanned and imported into software to perform digital cast’s analysis.
Measurements of mesiodistal tooth width were made using digital calipers or Nemoceph software. Overall and anterior Bolton analyses were performed for all models. Measurements were repeated no less than two weeks later. Results were statistically analyzed for correlation coefficients and student t –test was performed.
Results: Correlations showed very high intrarater reliability for measurements made on both plaster and digital casts. Boltons ratio has shown statistically significance differences between plaster and digital casts in mesiodistal measurements of both maxillary and mandibular arches.
Values of mean difference between plaster and digital casts were 0.68 mm in the maxillary arch and 1.35 mm in the mandibular arch. Value of mean difference between plaster and plaster and between digital and second pour were negligible.
Conclusions: This study concludes that first pour plaster casts and second pour plaster casts has negligible differences, similarly between digital casts thus it is significant that both casts can be used for multiple uses depending up on clinician experience
How to cite : Sonwane S, Kumar B S, Shweta Rk, Rajput D, Chokotiya H, Reliability of bolton teeth ratio in dual pour alginate impression with plaster and digital models. IP Indian J Orthod Dentofacial Res 2016;2(3):115-118
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