Periodontics in Practice complements a knowledge of clinical periodontology by raising questions and providing answers. Periodontal diseases have their own unique pathological and immunological characteristics; treatment is frequently dependent upon altering human behaviour and may also involve a wide variety of non-surgical and surgical techniques, with many interesting pharmacological and regulative adjuncts. This guide to good scientific practice will also be useful to those specializing in orthodontics or endodontics, as well as to the practising dentist.