Tooth Formation.- Tooth Histology.- Disturbed Form.- Disturbed Tissue structure.- Alterations after Tooth Eruption.- Eruption, Ankylosis, Hallerman Streiff.- Disorders of the Pulp: Denticles internal Resorption, Pulpitis, Periapical Disease, Pulp Polyp.- Periodontal Disease: Gingivitis, Periontitis, Osseous Dysplasia.- Odontogenic Cysts.- Odontogenic.- Hyperplastic follicle.- Syndrome related Changes in Tooth Number, Tooth Form and Eruption. sakriti opis