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Validating cephalometric angular reconstruction for determining vertical dimension in edentulous patients.

Aishwarya Mahajan1, Vivek Vivek2, Anuj K Shukla3

  • 1Department of Prosthodontics, Institute of Dental Science, Bareilly, India.

BMC Oral Health
|October 22, 2025
PubMed
Summary

The cephalometric angular reconstruction (CAR) method is a reliable alternative for determining the vertical dimension of rest (VDR) in denture fabrication. This study found CAR comparable to conventional and electromyographic methods, with no significant differences in VDR measurements.

Keywords:
CepahlometryComplete dentureEMGGeriatricVDOVDR

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Area of Science:

  • Dentistry
  • Prosthodontics
  • Biomedical Engineering

Background:

  • Accurate vertical dimension of rest (VDR) is crucial for complete denture fabrication.
  • Conventional phonetic and electromyographic (EMG) methods have limitations.
  • Cephalometric angular reconstruction (CAR) offers a novel approach minimizing patient dexterity reliance.

Purpose of the Study:

  • To evaluate the effectiveness of the CAR method in determining VDR.
  • To compare CAR with conventional and EMG methods in edentulous subjects.
  • To assess patient satisfaction with dentures fabricated using different VDR measurement techniques.

Main Methods:

  • Twenty edentulous patients participated in this in-vivo study.
  • VDR was measured using phonetic, CAR, and EMG methods for each patient.
  • Data were statistically analyzed using ANOVA and independent t-tests; patient satisfaction was assessed post-denture insertion.

Main Results:

  • Mean VDR measurements were similar across conventional (5.36±0.61 cm), CAR (5.35±0.74 cm), and EMG (5.64±0.62 cm) methods.
  • No statistically significant differences were found between any of the tested methods (p > 0.05).
  • Patient satisfaction scores were favorable across all groups.

Conclusions:

  • The CAR method is a viable alternative for VDR determination in complete denture fabrication.
  • CAR offers a reliable option, especially for patients with challenges in traditional VDR recording.
  • No significant differences were observed among conventional, CAR, and EMG methods for VDR measurement.