Augmentation of soft tissue volume at pontic sites: a comparison between a cross-linked and a non-cross-linked collagen matrix

Naenni, Nadja; Walter, Prisca; Hämmerle, Christoph H F; Jung, Ronald E; Thoma, Daniel S

doi:10.1007/s00784-020-03461-8

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Naenni, N., Walter, P., Hämmerle, C. H. F., Jung, R. E., & Thoma, D. S. (2021). Augmentation of soft tissue volume at pontic sites: a comparison between a cross-linked and a non-cross-linked collagen matrix. Clinical Oral Investigations, 25(3), 1535–1545. https://doi.org/10.1007/s00784-020-03461-8

Abstract

AIM To assess histopathological and histomorphometric outcomes of soft tissue volume augmentation procedures at pontic sites using a volume-stable cross-linked collagen matrix (VCMX) and a non-cross-linked collagen matrix (XCM). MATERIALS AND METHODS In twelve adult beagle dogs, the mandibular premolars and first molar were hemisected and the mesial root extracted. Soft tissue augmentation was randomly performed using VCMX, XCM, or a sham-operated control. Sacrifice was performed after 4, 8, and 26 weeks. Non-decalcified sections were