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VOLUME 22 , ISSUE 3 ( March, 2021 ) > List of Articles

ORIGINAL RESEARCH

Analysis of Active Oral Tactile Sensitivity in Individuals with Complete Natural Dentition

Tiago HS Anastacio, Nathalia B de Moraes, Eduardo J de Moraes, Valquiria Quinelato, Jose A Calasans-Maia, Cintia CP Martins, Telma Aguiar, Aldir N Machado, Priscila L Casado

Keywords : Active tactile sensitivity, Dental occlusion, Mechanoreceptors, Oral proprioception, Periodontal ligaments, Permanent dentition

Citation Information : Anastacio TH, de Moraes NB, de Moraes EJ, Quinelato V, Calasans-Maia JA, Martins CC, Aguiar T, Machado AN, Casado PL. Analysis of Active Oral Tactile Sensitivity in Individuals with Complete Natural Dentition. J Contemp Dent Pract 2021; 22 (3):268-272.

DOI: 10.5005/jp-journals-10024-3069

License: CC BY-NC 4.0

Published Online: 00-03-2021

Copyright Statement:  Copyright © 2021; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Aim: To evaluate the active tactile sensitivity in individuals with complete natural dentition, determining the smallest thickness detected by the participants, and clarifying if there is a difference between the thicknesses analyzed. Materials and methods: Active tactile sensitivity was evaluated in 40 research participants. Inclusion criteria included participants with complete natural dentition, without active or history of periodontal disease, absence of temporomandibular disorders, bruxism, and restorations in the evaluated area. Exclusion criteria included age below 18 years. The active tactile perception threshold was evaluated by using carbon sheets of different thicknesses (0, 12, 24, 40, 80, 100, and 200 μm), which were inserted in the participants’ premolars, bilaterally. The carbon sheet was inserted so as not to come into contact with the oral soft tissues. Subsequently, the participant occluded and was asked about the perception of the intraocclusal object 20 times in each occlusal contact. The collected data were tabulated considering the amount of positive and negative responses for each carbon thickness. Values of p < 0.05 were considered significant. Results: The results showed that there was linearity in perception, on both sides, besides, the natural dentition was able to perceive difference in thickness from 12 μm. Conclusion: We conclude that the 12 μm thickness is noticeable in occlusion and can be differentiated from other thicknesses in natural dentition and that there is no difference between the tactile sensitivity of the right and left sides. Clinical significance: A better understanding of active oral tactile sensitivity will contribute to numerous clinical applications in dentistry, including occlusal adjustment in dental rehabilitation, dental implants prosthesis design, and survival of prosthetic rehabilitation.


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