Modification of immediate denture sectional impression technique using vinyl polysiloxane

tice and improved access of the patient population to good dental treatment. Later studies that appear to contradict this trend should be analyzed with respect to the population studied. Later studies have also shown a change in the nature of the pathosis reported. Early studies reported large numbers of root fragments, cysts, and other residues of incomplete dental surgery. Later studies, while still reporting some residual tooth fragments, have also reported on morphologic changes and nonspecific radiographic changes. The clinical significance of this type of information must be weighed against the exposure of the patient to radiation. SUMMARY ’ The use of radiographs for diagnosis of edentulous patients must be evaluated in the light of patient history and clinical examination. The routine making of radiographs of patients wearing complete dentures who need new dentures should be discouraged.