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September 8, 2026Advanced Materials InterfacesOpen Access

Dental Microwear Texture Analysis on Radular Teeth

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Authors

WKWencke KringsSGStanislav N. GorbESEllen Schulz‐Kornas

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Overview

Experimental study reveals substrate-dependent microtexture wear patterns on radular teeth in gastropods, indicating their potential as ecological proxies for invertebrate feeding habits.

Key Points

  • To determine whether 3D dental microwear texture analysis can quantitatively assess wear patterns on gastropod radular teeth as an ecological proxy for feeding substrate interactions.
  • Conducted controlled feeding experiments exposing the gastropod Vittina turrita to substrates of varying roughness simulating biofilm-feeding conditions.
  • Quantified 3D radular tooth surface textures using confocal disc-scanning microscopy and standard dental microwear texture parameters, including surface mean height (Sa), surface peak density (Spd), and void volume of valleys (Vvv).
  • Fine and superfine substrates generated uniform material loss through consistent abrasion and extensive surface fragmentation, marked by reduced Sa and increased Spd.
  • Coarser substrates produced fewer but more severe tooth-substrate impacts, causing irregular damage including fractures, spalling, and crack formation reflected by increased Sa, reduced Spd, and elevated Vvv.
  • Older teeth exhibited the greatest wear severity, where erosion of the protective calcium-rich coating exposed the underlying chitinous core to fiber-scale structural failure.

Cite This Study

Krings et al. (2026) studied this question.

synapsesocial.com/papers/6a9fd80458e84d0ff5b47170https://doi.org/10.1002/admi.70665
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