Faculty of medicine, Dpt of restorative dentistry, ass.prof. L. Roubalikova1 Restorative dentistry 3rd year Lecture 2a Indications of dental materials Classification of dental caries Black ̶ I. class – pit and fissure caries ̶ II.class – caries on proximal surfaces of premolars and molars ̶ III. – caries on proximal surfaces incisors and canines without lost of incisal edge ̶ IV. - – caries on proximal surfaces incisors and canines with lost of incisal edge ̶ V- cervical caries ̶ ( VI. Caries on incisal edges or cusps) Classification of dental caries Mount and Hume ̶ Location 1. Occlusal 2. Proximal 3. Cervical Size 1. Small 2. Medium 3. Large Classification acc. to Mount and Hume Occlusal caries ̶ 11 composit, amalgam ̶ 12 composit, amalgam - 13 metal or adhesive inlay/onlay or amalgam with cusp replacement Classification acc. Mount and Hume Proximal caries in posterior teeth ̶ 21 – composit, amalgam ̶ 22 – composit, amalgam, adhesive inlay, metal inlay ̶ 23 – amalgam, adhesive or metal inlay Classification acc. Mount and Hume Proximal caries in anterior teeth ̶ 21,22,23 – composit GIC – patients with worse cooperation (disabled, oral hygiene not optimal) 24 (loss of incisal edge), composit, veneer, crown Classification acc. Mount and Hume ̶ Cervical caries 31 – 33: Depends on location Composit Glassionomer ̶ Amalgam –posterior teeth, esp. In patients with worse level of oral hygiene Indications of dental materials Consideration ̶ Caries -Size - Location ̶ Regional circumstances ̶ Level of oral hygiene ̶ Intermaxillary relations Bite forces ̶ Patient -General health -Cooperation Choice of the material