Fig. 12.1 Schematic transition between procollagen chains, nucleated under the influence of the C-propeptide. The procollagen trimer is transformed into collagen, a process followed by collagen fibrillation (Linsennnmayer 1981) 12.2…
Dentin composition Apatite crystals (mineral) Organic matrix (type I collagen and non-collagenous proteins) Water (free and bound) 50 % 30 % 20 % 7.1.2 Extracellular Organic Matrix The intertubular dentin matrix is…
Fig. 13.1 Non-eroded healthy cervical dentin which is covered by a thin layer of acellular-afibrillar cement Fig. 13.2 Eroded cervical dentin with complete destruction of the cement layer; (a) polarized…
Fig. 8.1 (a) Enamel surface near the enamel-cementum junction. Prints or depressions of the proximal zone of ameloblasts form alignments (asterisk). (b) In the cervical zone, prisms (P) are aligned…
Age group (yrs) Year of investigation 20 30 40 50 60 70 80 1973 27.2 25.8 23.2 21.5 18.2 13.3 1983 27.4 26.9 24.8 22.7 18.6 15.5 13.7…
Fig. 17.1 (a) Mesiodistal section of premolar monkey tooth (macaque iris) after in vivo treatment using resorcinol formaldehyde resin (Robinson et al. 1976). The resin is seen as a red…
Fig. 2.1 Rat’s molar enamel. (a) Normal aprismatic outer enamel/hydroxyapatite crystals are parallel, forming a continuous palisade-like structure. (b) Beneath the surface, enamel displays a prismatic structure, where prisms (P)…
Factors Description Is the factor modifiable? Disease indicators Having a high predictive value for further lesion development Caries experience (Previous restorations, carious lesions from early demineralization to deep lesion that…
Fig. 6.1 (a) The DIAGNOdent pen (KaVo) can be inserted in the approximal space to detect caries below the contact area. It should be inserted from both the buccal and…
Fig. 5.1 Metabolic fate of sucrose. Sucrose can be metabolised to acids; energy is also generated during glycolysis which is needed for bacterial growth. Sucrose can also be converted to…
