Comparative Study of Measurement Variability using An Electronic Probe and A Manual Probe – “An Eye Opener” - An In Vitro Study (original) (raw)

Journal of the Indian Dental Association, 2012

Abstract

A periodontal probe is considered as an eye below the gingival sulcus. It is widely used to measure both the probing depth and the attachment loss in order to assess periodontal destruction. However, the use of the periodontal probe particularly in estimating probing depths is subject to large errors. The dimension of the probe tip, the force applied, angle of insertion and root contour all influence the depth recorded. Probing is highly subjected to inter and intra examiner variability and variations in probing force is evident between different examiners. The aim of this study was to compare the relative inter and intra examiner reproducibility of two different periodontal probes – Electronic (florida probe) and the Manual (UNC – 15 probe). Duplicate pocket depth recordings were obtained by three examiners of a single incisor, premolar and molar for each subject at 6 sites. Teeth were equally distributed between the arches and incorporated both shallow (getter than 5mm) and deeper sites (lesser than 5mm) as measured with manual probe. Measurements were repeated 1 week later to avoid bias due to examiner memory.

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