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Ans:- materials used for augmentation can be autogenous ( from patients own body) or artificial materials. Autogenous :- Cartilage: from nasal septummost commonly used; conchal cartilage ( from ear); or rib cartilage. Bone:- pelvic bone ( iliac creast); Calvarial ( outer table of skull ) Artificial materials:- Medpore ; Silicone Goretex .
