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Related Experiment Video

Updated: Jun 20, 2025

Mimicking and Measuring Occlusal Erosive Tooth Wear with the "Rub&Roll" and Non-contact Profilometry

Mimicking and Measuring Occlusal Erosive Tooth Wear with the "Rub&Roll" and Non-contact Profilometry

Published on: February 2, 2018

Abrasion and dental pulp morphological changes in occlusal dysfunction.

Adi Rusu Olaru¹, Mihai Raul Popescu, Iancu Emil Pleşea

¹Department of Occlusology and Fixed Prosthetics, University of Medicine and Pharmacy of Craiova, Romania; popescumihairaul@yahoo.com.

Romanian Journal of Morphology and Embryology = Revue Roumaine De Morphologie Et Embryologie

|July 18, 2024

Summary

Abrasion due to occlusal dysfunction causes dental pulp changes, including thicker peripheral zones and more calcifications. Fibrosis and vascular density were unaffected by abrasion but correlated with calcifications.

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Published on: October 27, 2023

Area of Science:

Dental Pulp Morphology
Occlusal Dysfunction
Dental Abrasion

Background:

Occlusal dysfunction can lead to dental abrasion.
The impact of abrasion on dental pulp morphology requires further investigation.

Purpose of the Study:

To assess if abrasion presence and severity, resulting from occlusal dysfunction, induce morphological changes in dental pulp.
To investigate the relationship between abrasion and dental pulp parameters like thickness, calcifications, fibrosis, and vascular density.

Main Methods:

A comparative study of 45 cases with occlusal dysfunction, divided into teeth with (AB) and without (NONAB) abrasion.
Morphological analysis of dental pulp parameters including peripheral zone thickness, calcifications, fibrosis, and vascular density (VD).
Advanced histological techniques (HE, MT, CD34 staining) and in-house software for quantitative analysis, supported by various statistical tests.

Main Results:

Teeth with abrasion exhibited thicker peripheral pulp zones and increased pulpal calcifications compared to non-abrasion cases.
No significant relationship was found between abrasion and the extent of interstitial fibrosis in the dental pulp.
Calcium deposits showed an inverse correlation with fibrous tissue and capillary vascular density.

Conclusions:

Abrasion, a consequence of occlusal dysfunction, is associated with subtle to moderate morphological alterations in the dental pulp.
The findings suggest that abrasion influences pulp calcification and peripheral zone thickness.
Further research is warranted to fully elucidate the complex interplay between occlusal dysfunction, abrasion, and dental pulp health.