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Guided tissue regeneration membranes for periodontal regeneration--a literature review.

Guided tissue regeneration materials were reviewed in this paper and can be categorized as non-resorbable and bioabsorbable. Both materials have been used extensively in periodontal regeneration with no difference in the clinical outcome. Selection of barrier material depends on resorbability, size of the defect, morphology of the defect, operator preference and patient acceptance.