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Histology of the teeth II. Dental pulp, Cementum. Dr. Gábor Gerber. enamel. dentin. crown. Pulp horn. cavum pulpae. cementum. canalis radicis. root. foramen apicale. Functions of the Pulp. dentin. cementum. Dentin production Dentin nutrition Sensory Protective. predentin.
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Histology of the teeth II.Dental pulp, Cementum Dr. Gábor Gerber
enamel dentin crown Pulp horn cavum pulpae cementum canalis radicis root foramen apicale
Functions of the Pulp dentin cementum • Dentin production • Dentin nutrition • Sensory • Protective
predentin odontoblasts Weil-zone, str. subodontoblasticum pulpa Cell-richzone Centralpulp http://www.anatomy.uq.edu.au/histology/contents/oral3.%20tooth/text.html
pulp dentin predentin odontoblasts
"neuro-vascular bundle". neuro-vascular bundle
Periferal and central pulp WaltonR, Leonard L, Sharawy M, Gangarosa L. Oral Surg 1979;48:545.
(from ART Cate: Oral Histology - Development, Structure, and Function; Mosby Year Book)
Változások a dentin állományában secunder dentin reparatív dentin (tercier) dentinsclerosis
Functions of cementum • Holding the theeth • Protection • Occlusal plane acellular cellular
Composition of cementum Cementum is composed of 50-55% organic: type I and III collagenfibers and mucopolysaccharides 45-50% of cementum is inorganic: hydroxyapatite calcium phosphate Thinatthe CE junction (15-60mm), thickerapically (150-200mm). acellular cellular
Cement-enamel junction 60% átfed 10% rés 30% volaban
cementum lig. periodontale Alveolus Malassez- féle hámszigetek Sharpey rostok
Incremental lines of Salter Cementoblast
Cementum-Dentin-Junctio(CDJ)(Hopewell-Smith hyalin layer)(1-3 mm) The hyaline layer aids cementum in binding to the dentin. enamel matrix-like proteins are present in this layer S. P. Ho, M. Balooch, H. E. Goodis, G. W. Marshall, S. J. Marshall Journal of Biomedical Materials Research Volume 68A, Issue 2, Article first published online: 18 DEC 2003