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Oral tactile sensibility recorded in overdenture wearers with implants or natural roots: a comparative study. Part 2.

Identifieur interne : 011A58 ( Main/Merge ); précédent : 011A57; suivant : 011A59

Oral tactile sensibility recorded in overdenture wearers with implants or natural roots: a comparative study. Part 2.

Auteurs : R. Mericske-Stern [Suisse]

Source :

The International journal of oral & maxillofacial implants [ 0882-2786 ]

RBID : pubmed:8150514

Descripteurs français

KwdFr :
- Adulte d'âge moyen, Desmodonte (innervation), Femelle, Humains, Implants dentaires, Mandibule, Mâchoire édentée, Mâle, Mécanorécepteurs (physiologie), Occlusion dentaire, Overdenture, Racine dentaire (physiologie), Seuils sensoriels, Sujet âgé, Sujet âgé de 80 ans ou plus, Toucher (physiologie).
MESH :
- physiologie : Mécanorécepteurs, Racine dentaire, Toucher.
- Adulte d'âge moyen, Desmodonte, Femelle, Humains, Implants dentaires, Mandibule, Mâchoire édentée, Mâle, Occlusion dentaire, Overdenture, Seuils sensoriels, Sujet âgé, Sujet âgé de 80 ans ou plus.

English descriptors

KwdEn :
- Aged, Aged, 80 and over, Dental Implants, Dental Occlusion, Denture, Overlay, Female, Humans, Jaw, Edentulous, Male, Mandible, Mechanoreceptors (physiology), Middle Aged, Periodontal Ligament (innervation), Sensory Thresholds, Tooth Root (physiology), Touch (physiology).
MESH :
- chemical : Dental Implants.
- innervation : Periodontal Ligament.
- physiology : Mechanoreceptors, Tooth Root, Touch.
- Aged, Aged, 80 and over, Dental Occlusion, Denture, Overlay, Female, Humans, Jaw, Edentulous, Male, Mandible, Middle Aged, Sensory Thresholds.

Abstract

The capacity of dentate subjects to discriminate the thickness of objects placed between the teeth seems to depend on receptors in the periodontal ligament and muscles. The compensatory mechanism of ankylotic implants for the function of missing periodontal ligaments is not yet known. To investigate this question in overdenture wearers, 26 patients with ITI implants and 20 patients with natural roots were selected. According to the experimental protocol, the discriminatory ability was recorded with 10 steel foils (thickness ranging from 10 to 100 microns) placed between the premolars. Each thickness was tested 10 times and the test subjects were required to distinguish whether foil was positioned between the teeth. A maximum of 100 correct or 100 incorrect answers was possible. The average number of incorrect answers was significantly higher in test subjects with implants. The 50% limit (ie, the tested thickness recorded with at least 5 wrong answers) was established, but no statistically significant difference was found. In both groups, the critical tactile threshold of perceived thickness was 30 to 40 microns, with 2 being the average number of incorrect assessments. When comparing the minimal thickness, which was recorded without incorrect assessment, a significantly lower threshold was observed on patients with natural roots. Thus, active tactile sensibility appears to depend on the receptors in the periodontal ligament. However, wearing of removable prostheses is a modifying factor and may influence the oral tactile sensibility for both groups.

PubMed: 8150514

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Le document en format XML

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<term>Denture, Overlay</term>
<term>Female</term>
<term>Humans</term>
<term>Jaw, Edentulous</term>
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<term>Mechanoreceptors (physiology)</term>
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<term>Periodontal Ligament (innervation)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Adulte d'âge moyen</term>
<term>Desmodonte (innervation)</term>
<term>Femelle</term>
<term>Humains</term>
<term>Implants dentaires</term>
<term>Mandibule</term>
<term>Mâchoire édentée</term>
<term>Mâle</term>
<term>Mécanorécepteurs (physiologie)</term>
<term>Occlusion dentaire</term>
<term>Overdenture</term>
<term>Racine dentaire (physiologie)</term>
<term>Seuils sensoriels</term>
<term>Sujet âgé</term>
<term>Sujet âgé de 80 ans ou plus</term>
<term>Toucher (physiologie)</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dental Implants</term>
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<keywords scheme="MESH" qualifier="innervation" xml:lang="en"><term>Periodontal Ligament</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Mécanorécepteurs</term>
<term>Racine dentaire</term>
<term>Toucher</term>
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<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mechanoreceptors</term>
<term>Tooth Root</term>
<term>Touch</term>
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<keywords scheme="MESH" xml:lang="en"><term>Aged</term>
<term>Aged, 80 and over</term>
<term>Dental Occlusion</term>
<term>Denture, Overlay</term>
<term>Female</term>
<term>Humans</term>
<term>Jaw, Edentulous</term>
<term>Male</term>
<term>Mandible</term>
<term>Middle Aged</term>
<term>Sensory Thresholds</term>
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<keywords scheme="MESH" xml:lang="fr"><term>Adulte d'âge moyen</term>
<term>Desmodonte</term>
<term>Femelle</term>
<term>Humains</term>
<term>Implants dentaires</term>
<term>Mandibule</term>
<term>Mâchoire édentée</term>
<term>Mâle</term>
<term>Occlusion dentaire</term>
<term>Overdenture</term>
<term>Seuils sensoriels</term>
<term>Sujet âgé</term>
<term>Sujet âgé de 80 ans ou plus</term>
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<front><div type="abstract" xml:lang="en">The capacity of dentate subjects to discriminate the thickness of objects placed between the teeth seems to depend on receptors in the periodontal ligament and muscles. The compensatory mechanism of ankylotic implants for the function of missing periodontal ligaments is not yet known. To investigate this question in overdenture wearers, 26 patients with ITI implants and 20 patients with natural roots were selected. According to the experimental protocol, the discriminatory ability was recorded with 10 steel foils (thickness ranging from 10 to 100 microns) placed between the premolars. Each thickness was tested 10 times and the test subjects were required to distinguish whether foil was positioned between the teeth. A maximum of 100 correct or 100 incorrect answers was possible. The average number of incorrect answers was significantly higher in test subjects with implants. The 50% limit (ie, the tested thickness recorded with at least 5 wrong answers) was established, but no statistically significant difference was found. In both groups, the critical tactile threshold of perceived thickness was 30 to 40 microns, with 2 being the average number of incorrect assessments. When comparing the minimal thickness, which was recorded without incorrect assessment, a significantly lower threshold was observed on patients with natural roots. Thus, active tactile sensibility appears to depend on the receptors in the periodontal ligament. However, wearing of removable prostheses is a modifying factor and may influence the oral tactile sensibility for both groups.</div>
</front>
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Oral tactile sensibility recorded in overdenture wearers with implants or natural roots: a comparative study. Part 2.

Oral tactile sensibility recorded in overdenture wearers with implants or natural roots: a comparative study. Part 2.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki