to support the denture which contains internal clips for retention, figs. 199, 200, 201. A post-operative x-ray, fig. 202.

Another way of obtaining anterior support is to use a combination of a partial subperiosteal implant, figs. 203, 204, and two endosteal blades, figs. 205, 206, which are later joined together with a rigid meso-structure. The x-ray shows this case before the mesostructure was cemented into position, fig. 207, and after the meso-structure, fig. 207a.

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