摘要: Abstract Alveolar bone resorption is one of the most important phenomena in denture construction. Some factors to be considered are: 1.1. after extractions a normal process. 2.2. The patient's history may reveal systemic diseases which might cause through circulatory disturbances or faulty metabolism. 3.3. Dietary deficiencies induce loss. 4.4. Roentgenographic examination will possible capabilities resist external stresses. 5.5. Stress control modification construction procedures minimize