Fig. 9.1 (a) An X-ray figure showing proximal cavities in premolars. (b) An old silver amalgam restoration and fissures. (c) Occlusal restoration with caries-infiltrated fissures Fig. 9.2 After acid or…

Fig. 4.1 Schematic drawing of the initial carious lesion including a surface zone, the subsurface lesion (or body of the lesion), the condensation zones (dark zone and translucent zone), and…

Fig. 3.1 (a) Crystallite of a mouse incisor. Alignments of hydroxyapatite monocrystals form a lattice, with – 5 Å–6.8 Å spacing. (b) Axial dissolution of a crystallite. (c) The acidic…

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)…