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Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

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Specificities of Caries on Root Surface.

Nailê Damé-Teixeira, Clarissa Cavalcanti Fatturi Parolo, Marisa Maltz

Monographs in Oral Science

|October 20, 2017

Summary

Root caries susceptibility varies with root surface composition and morphology. Exposed root surfaces allow microbial penetration, leading to acid production and lesion development from cementum to dentin.

Area of Science:

Biochemistry
Dental research
Histopathology

Background:

Root surface caries susceptibility is influenced by organic and inorganic composition and morphology.
Gingival recession exposes root surfaces, creating pathways for microbial penetration.
Cariogenic root biofilms convert dietary carbohydrates into acids, initiating root caries lesions.

Purpose of the Study:

To review the structural, biochemical, and histopathological characteristics of root caries.
To discuss mineral exchange, collagen degradation, and critical pH in root demineralization.
To explore the unique histopathology and progression of root caries lesions.

Main Methods:

Review of structural, biochemical, and histopathological specificities of root caries.

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Discussion of mineral exchange dynamics between root surfaces and oral fluids.

Analysis of collagen degradation and organic matrix breakdown in lesion progression.

Main Results:

Root surfaces undergo demineralization similar to enamel, forming subsurface lesions.
Cementum loss significantly influences lesion progression.
Organic matrix degradation is a key factor in root caries development.

Conclusions:

Root caries exhibits unique histopathology due to tissue-specific phenomena.
Lesion development progresses from cementum to dentin, with distinct active and arrested stages.
Understanding root tissue properties is crucial for managing root caries.