Correlation of maxillary and mandibular arch form and tooth size ratio in ethnic Javanese malocclusion patient

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Abstract

Aims: Arch form is one of the important components that can relapse after orthodontic treatment. The relationship is between arch form and tooth size ratio (TSR) need to be evaluated that could help to determine extraction or nonextraction treatment in malocclusion. The aim of this study was to analyze the correlation of maxillary and mandibular arch forms with TSR in ethnic Javanese Malocclusion Patient at Airlangga University Dental Hospital. Materials and Methods: This study was an observational, analytical study with cross-sectional and total sampling method. The samples consisted of 135 model study were chosen according to the inclusion criteria and distributed into malocclusion Class I, Class II, and Class III Angle's classification. All the samples were analyzed using Bolton's anterior and overall ratio, and the maxillary and mandibular arch forms were detected using mathematical ratio using (canine depth/molar depth (MD))/(canine width [CW]/molar width [MW]). Statistical Analysis: The correlation of maxillary and mandibular arch form with clinically significant TSR using Bolton's analysis is interpreted using Pearson correlation test (P < 0.05). Results: No significant correlation of maxillary and mandibular arch forms with TSR using Bolton's analysis among malocclusion of Angle Class I, Class II, and Class III in ethnic Javanese (P > 0.05) was found. While the anterior TSR in Class I Angle's malocclusion has a significant correlation with inter-CW in mandibular arch (P < 0.05). Conclusions: TSR was not affected by types of arch form either in maxillary or mandibular while the anterior TSR in Class I Angle's malocclusion did.

Original languageEnglish
Pages (from-to)75-79
Number of pages5
JournalJournal of International Oral Health
Volume11
Issue number2
DOIs
Publication statusPublished - 2019

Keywords

  • Arch form shape
  • Bolton's analysis
  • ethnic Javanese
  • malocclusion
  • tooth size ratio

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