Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: May 28, 2026

Acrylic Resin Molding Based Head Fixation Technique in Rodents
07:51

Acrylic Resin Molding Based Head Fixation Technique in Rodents

Published on: January 12, 2016

Continuous dental replacement in a hyper-chisel tooth digging rodent.

Helder Gomes Rodrigues1, Pauline Marangoni, Radim Šumbera

  • 1Team Evo-Devo of Vertebrate Dentition, Institut de Génomique Fonctionnelle de Lyon, Université de Lyon, Unité Mixte de Recherche 5242, Centre National de la Recherche Scientifique, Ecole Normale Supérieure de Lyon, 69364 Lyon Cedex 07, France. helder.gomes.rodrigues@ens-lyon.fr

Proceedings of the National Academy of Sciences of the United States of America
|October 12, 2011
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Vasculature segmentation in 3D hierarchical phase-contrast tomography images of human kidneys.

Nature communications·2026
Same author

Divergence Linked to Possible Ecological Speciation in Blind Mole Rats: Integration of Thermal Biology and Bite Force in the Upper Galilee Blind Mole Rat (Nannospalax galili).

Integrative zoology·2026
Same author

Partitioning respiratory and cutaneous evaporative water loss in naked and furred African mole-rats.

Journal of thermal biology·2026
Same author

Fast eikonal phase retrieval for high-throughput beamlines.

Journal of synchrotron radiation·2026
Same author

Evolution of hierarchical phase-contrast tomography on the European Synchrotron beamlines BM05 and BM18: a whole adult human brain imaging case study.

Journal of synchrotron radiation·2026
Same author

The heterogeneous nature of atrioventricular conduction tissues in tetralogy of Fallot demonstrated by hierarchical phase-contrast tomography.

JTCVS structural and endovascular·2026

Mammals typically have two teeth sets, but some rodents continuously replace teeth horizontally. This study reveals Heliophobius argenteocinereus uses an escalator-like dental system for high-wear digging, offering insights into supernumerary teeth development.

Area of Science:

  • Developmental Biology
  • Comparative Anatomy
  • Paleontology

Background:

  • Mammals usually have diphyodont dentition (two sets of teeth).
  • Continuous dental replacement is rare in mammals, differing from reptilian ancestors.
  • Supernumerary teeth development and their evolutionary origins are poorly understood.

Purpose of the Study:

  • To document continuous dental replacement in the African rodent Heliophobius argenteocinereus.
  • To investigate the adaptive significance of this dental system in relation to high dental wear.
  • To identify shared traits and prerequisites for continuous dental replacement in mammals.

Main Methods:

  • Comparative analysis of dental morphology and eruption patterns.
  • Examination of Heliophobius argenteocinereus dentition.

More Related Videos

Surgical Bone Implantation Technique for Rat Tibia Models of Diabetes and Osteoporosis
02:08

Surgical Bone Implantation Technique for Rat Tibia Models of Diabetes and Osteoporosis

Published on: July 5, 2024

Related Experiment Videos

Last Updated: May 28, 2026

Acrylic Resin Molding Based Head Fixation Technique in Rodents
07:51

Acrylic Resin Molding Based Head Fixation Technique in Rodents

Published on: January 12, 2016

Surgical Bone Implantation Technique for Rat Tibia Models of Diabetes and Osteoporosis
02:08

Surgical Bone Implantation Technique for Rat Tibia Models of Diabetes and Osteoporosis

Published on: July 5, 2024

  • Comparison with other mammals exhibiting continuous dental replacement.

    • Main Results:

    • Heliophobius argenteocinereus exhibits an 'escalator-like' continuous dental replacement mechanism.
    • This system is an adaptation to hyper-chisel tooth digging, involving significant dental wear.
    • Shared traits like mesial drift, delayed eruption, and supernumerary molars are prerequisites for this mechanism.
    • These traits are present in humans to a lesser extent but absent in mice.

    Conclusions:

    • Heliophobius provides a unique model for studying the development of supernumerary teeth in mammals.
    • Understanding these processes could advance human dental tissue regeneration.
    • The study highlights convergent evolution of dental replacement strategies in mammals.