Pathology of Dental Caries Quiz

5.5

A bacterial disease of the calcified tissues of the tooth characterized by demineralization of the inorganic matrix and destruction of the organic substance of the tooth.

To provide students with an understanding of the pathological changes that characterise dental caries and relate the pathogenesis to the principles of treatment.

<p>Give an account of the pathogenesis of enamel and dentine caries, describe the features of root caries, and relate the pathological features to the prevention and treatment of caries.</p> Signup and view all the answers

<p>Acute (Rampant) caries, Chronic caries, Arrested caries, Secondary (recurrent) caries</p> Signup and view all the answers

<p>Translucent zone, Dark zone, Body of the lesion</p> Signup and view all the answers

<p>Loss of Striae of Retzius, More porous than normal enamel, Increased pore volume, Larger pores, Mineral dissolution, Loss of magnesium and carbonate rich material</p> Signup and view all the answers

<p>Brown, opaque, structureless, Pore volume 2 - 4%, Mixture of small and large pores, Re-precipitation of mineral - dynamic process</p> Signup and view all the answers

<p>Enhanced Striae of Retzius, Pore volume 5 - 25%, Large pores, Demineralisation, Mineral replaced by water and some organic material</p> Signup and view all the answers

<p>Intact enamel (40µm), Increased mineralisation, Remineralisation from oral environment</p> Signup and view all the answers

<p>Starts in walls of fissure, Cone-shaped lesion, Pin-point undermined pit, Spread along ADJ, Dentine becomes involved</p> Signup and view all the answers

<p>Odontoblast response to irritation, Increased deposition of peritubular dentine, Calcification of the odontoblast process, Dead tracts run through zone of sclerosis</p> Signup and view all the answers

<p>Destruction, Bacterial invasion, Demineralisation, Sclerosis, Tertiary dentine</p> Signup and view all the answers

<p>Loss of mineral from dentine caused by diffusion of acid produced by bacteria located in the zone of bacterial invasion</p> Signup and view all the answers

<p>Increase in size of liquefaction foci, Transverse clefts containing bacteria and necrotic tissue at right angles to the dentinal tubules, Progressive loss of dentine architecture, Bacteria colonization of demineralized peritubular and intertubular dentine</p> Signup and view all the answers

<p>Pulpal response to irritation, Protective mechanism, Layer of dentine formed on the surface of the pulp chamber deep to dentine caries</p> Signup and view all the answers