Operative dentistry is the ART and SCIENCE of the diagnosis, treatment, prognosis of defects of teeth which do not require full coverage restorations for correction

➢Anomalies of Number ➢Anomalies of Size ➢Anomalies of Shape ➢Anomalies of Structure ➢Anomalies of Color

Dentin hypersensitivity is a common condition of transient tooth pain caused by a variety of exogenous stimuli

The most widely used technique to treat pulpal and periapical diseases To remove the infected substances To obturate canal in three dimension

The four circles Micro- diagrammatically organisms represent the factors involved

武汉大学：《牙体牙髓病学》课程PPT教学课件（英文版）牙髓病与根尖周病的治疗 Endodontic treatment is to clean the root canal system thoroughly

873.60 Enamel fracture 873.61 Crown fracture without pulp involvement 873.62 Crown fracture with pulp involvement 873.63 Root fracture 873.64 Crown-root fracture 873.66 Tooth luxation (dislocation) 873.67 Intrusion or extrusion 873.68 Avulsion 873.69 Other injuries

Foliar fertilizer A foliar fertilizer is one that is applied to the surface of the plant. a Foliar uptake is important to aquatic plants and when nutrients are sprayed on foliage in horticulture and agriculture

The principles of application fertilizers Law of the Minimum: the crop's yield is restricted by the lack of one element, even Mg- al Zn S though there may be sufficient quantities of all the

Soil fertil Soil fertility is the characteristics of soil that enables it to Provide nutrients in adequate amounts in adequate time In appropriate balance for growth of particular plant(s)