Original Article Accuracy between Functional Swallowing and Knebelman Craniometric Method to Measure Occlusal Vertical Dimension in Total Denture Wearers: A Quasi-experimental Study
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Date
2021Author(s)
Huamani-Echaccaya 2, Jose Luis
Huamani1, Juan
Watanabe1, Romel
Salcedo-Moncada1, Doris
Alvitez-Temoche3, Daniel
Mayta-Tovalino4, Frank
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Objective: The objective was to determine the accuracy between functional
swallowing (FS) and the Knebelman craniometric method (KCM) to measure
occlusal vertical dimension (OVD) in total denture wearers. Materials and
Methods: A quasi-experimental, prospective study was conducted considering
the KCM diagnostic method as the gold standard compared to FS. All the totally
edentulous patients attended at the School of Dentistry of the Universidad
Nacional Mayor de San Marcos (n = 32) in 2018–2019 were evaluated. Previous
informed consent was obtained from all patients. A Knebelman’s Craniometer
was used to obtain longitudinal measurements measured in millimeters. The
measurement was made with the Knebelman Craniometer by placing the tip into
the external auditory canal inside the right meatus. On the other hand, for the
FS method, the patients were seated comfortably with their back supported and
their head in a natural position. Both upper and lower rollers were inserted into
the mouth and the patient was instructed to swallow saliva for a period of 5min.
Results: When comparing the measurement of the OVD of KCM versus FS
according to sex, men presented an OVD of 68.1 ± 3.9mm, being 64.1 ± 3.8mm
in women. Accuracy was evaluated with an analysis of concordance between FS
and the KCM in the determination of OVD in totally edentulous patients with
a value of 0.97 (confidence interval = 0.31–0.99) (P = 0.013). Conclusions: There
is a good concordance between the FS method and the KCM at the time of
determining the OVD of edentulous patients using total prostheses
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