Effect of transient occlusal loading on the threshold of tooth tactile sensation perception for tapping like the impulsive stimulation

Yuta Morimoto, Kazuhiro Oki, Sachiyo Iida, Chieko Shirahige, Naoto Maeda, Shigehisa Kawakami, Tadashi Matsunaga, Shougo Minagi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The objectives of this study were (1) to establish a reliable method for detecting the force threshold of the tooth tactile sensation while avoiding experimenter bias and (2) to examine the effect of occlusal force loading on the threshold for impulsive force stimulation in subjects with normal dentition. Twenty volunteers participated in this study (10 males and 10 females; mean age, 26.6 ± 2.9 years). To simulate the bite force during occlusal tapping, a force-loading device was designed to exert impulsive force to the occlusal surface in the direction parallel to the tooth axis. The impulsive force detection threshold of the periodontal sensation was measured before and after loading 98 N of occlusal force on the left upper first molar for 1 min. Transient mechanical loading of the upper first molar caused an increase in the absolute threshold for impulsive force. This increase did not vanish immediately, and the increment of the threshold was maintained during the remainder of the experiment. A computer-controlled method for the evaluation of tooth tactile sensation using impulsive stimulation was established. Transient occlusal force loading parallel to the tooth axis increases the threshold of periodontal sensation for mechanical impulsive stimulation.

Original languageEnglish
Pages (from-to)199-203
Number of pages5
JournalOdontology
Volume101
Issue number2
DOIs
Publication statusPublished - Jul 2013

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Touch Perception
Bite Force
Tooth
Touch
Dentition
Volunteers
Equipment and Supplies

Keywords

  • Detection threshold
  • Impulsive force
  • Staircase method
  • Tactile sensation
  • Tooth clenching

ASJC Scopus subject areas

  • Dentistry(all)
  • Medicine(all)

Cite this

Effect of transient occlusal loading on the threshold of tooth tactile sensation perception for tapping like the impulsive stimulation. / Morimoto, Yuta; Oki, Kazuhiro; Iida, Sachiyo; Shirahige, Chieko; Maeda, Naoto; Kawakami, Shigehisa; Matsunaga, Tadashi; Minagi, Shougo.

In: Odontology, Vol. 101, No. 2, 07.2013, p. 199-203.

Research output: Contribution to journalArticle

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