1) Caries lesion on MO surface of maxillary molar (16 or 26) No slot. Type of filling – composite. Maxillary second premolar. Diagnosis: pulp necrosis. Protocol of treatment. 2) Caries lesion on MO surface of maxillary molar (16 or 26).Type of filling – composite. Maxillary second premolar. Diagnosis acute pulpitis. Protocol of treatment, obturation. 3) Caries lesion on DO surface of maxillary molar (16 or 26). Type of filling – composite. First maxillary central incisor. Diagnosis: periodontitis chronica circumspripta. Protocol of treatment including obturation. 4) Caries lesion on MOD surface of mandibulary molar (36 or 46). Type of filling composite. Upper maxillary molar. Diagnosis: second visit, emergency pulpectomy in the first visit. No clinical symptoms. Protocol of treatment, obturation. 5) Caries lesion on MOD surface of mandibulary molar 2xslot (36 or 46). Type of filling – composite. First maxillary premolar. Diagnosis periodontitis chronica circumscripta acute exacerbans. Emergency treatment. 6) Caries lesion on MOD surface of mandibulary premolar (35 or 45). Type of filling – composite. Maxillary second premolar. Diagnosis: periodontitis chronica circumscripta. Protocol of treatment, obturation. 7) Caries lesion on MO surfaces of mandibulary premolar (35 or 45). Type of filling composite. First maxillary molar. Diagnosis: periodontitis chronica circumsripta. Protocol of treatment, obturation. 8) Caries lesion on M and D surface of maxillary central incisor (11 or 21), without incisal edge involment. Type of filling – composite. Maxillary second premolar. Diagnosis: periodontitis chronica diffusa. Protocol of treatment, obturation. 9) Caries lesion on MOD surface of maxillary molar (16 or 26). Type of filling – composite. Upper central incisor. Diagnosis: periodontitis acuta – periodontal stage. Protocol of treatment, obturation. 10) Caries lesion on MOD surface of maxillary premolar (15 or 25). Type of filling – composite. Maxillary second premolar. Diagnosis - second visit, after emergency pulpectomy in first visit. No clinical symptoms. Protocol of treatment, obturation. 11) Caries lesion on M and D surface of maxillary central incisor (11 or 21), without involvement of incisal edge. Type of filling – composite. First maxillary premolar. Diagnosis: periodontitis chronica diffusa. Protocol of treatment, obturation method. 12) Caries lesion on M, D maxillary central incisor. Perfect oral hygiene. Type of filling composite. First upper premolar. Diagnosis: pulpitis acuta. Emergency treatment. 13) Caries lesion on DO surface oo maxillary molar (16 or 26). Type of filling – amalgam. First upper premolar. Diagnosis: pulpitis acuta purulenta. Patient´s second visit, without clinical symptoms. Protocol of treatment and obturation. 14) Caries lesion on MO surface of maxillary molar (16 or 26). Choice of material - composit. Maxillary canine with large carious lesion on M and D surface. Cold test negative. Non vital tooth. Protocol of treatment. 15) Caries lesion on MOD surface of upper molar (16 or 26), (2x slot) Type of filling – composite. Maxillary first molar. Diagnosis: pulpitis acuta. Patient´s second visit. Without clinical symptoms, protocol of treatment and obturation. 16) Caries lesion on DO surface of maxillary molar (16 or 26). Type of filling – composite. First maxillary premolar. Diagnosis: pulpitis acuta purulenta. Protocol of treatment and obturation. 17) Caries lesion on MOD surface on maxillary second premolar ( 35 or 45). Type of filling – amalgam. First upper premolar. Diagnosis: periodontitis chronica circumsripta acuta exacerbans, submucous abscess. Protocol of treatment and obturation. 18) Caries lesion on DO surface on maxillary molar (16 or 26). Type of filling composite. First maxillary premolar. Diagnosis: periodontitis chronica circumscripta. Protocol of treatment and obturation. 19) Caries lesion on OD surface on second mandibulary premolar (25 or 35). Type of filling – composite. First mandibulary premolar. Diagnosis: Periodontitis chronica circumscripta. Protocol of treatment and obturation. 20) Caries lesion on D and M surface of maxillary central incisor (21 or 11) without incisal edge destruction. Perfect hygiene. Composite. First maxillary molar. Diagnosis periodontitis chronica diffusa. Protocol of treatment and obturation by lateral condensation technique. 21) Caries lesion on MOD surface on lower molar. Type of filling – amalgam. Prepare cavity, make the base and place the matrix. Second maxillary premolar. Diagnosis: periodontitis acuta, periodontal stage. Protocol of treatment and obturation by lateral condensation technique.