The objective of this study is to assess alterations in buccal soft tissue contour after alveolar ridge preservation (ARP) using either a collagen matrix seal (CMS) or a collagen sponge (CS) as barriers with freeze-dried bone allograft (FDBA). Participants (28 total) were randomly assigned into the CMS group or the CS group (14 each). The same clinical steps were used in both barriers. Cast models were taken at the baseline and at 4 months, then both models were optically scanned and digitally superimposed. Volumetric, surface, and distance-adjusted measurements were calculated to assess buccal soft tissues alterations. Surface area and volume loss in the CMS group were observed to be 71.44±1189.09 mm 2 and 239.58±231.89 mm 3 . The CS group showed measurements of 139.56±557.92 mm 2 and 337.23±310.18 mm 3, . Mean buccal soft tissue loss and minimum-maximum distance loss were less in the CMS (0.88±0.52 mm, and 0.2-2.15 mm respectively), compared with the CS group (1.63±1.03 mm and 0.3-3.68 mm respectively) with no statistically significant difference between the groups (p=0.2742). Both alveolar ridge preservation barriers were unable to entirely prevent soft tissue contour changes after extraction. However, collagen matrix seal application was slightly better in minimizing the amount of soft tissue reduction compared to the collagen sponge. ClinicalTrials.gov (NCT02697890).
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Research Article|
May 05 2020
Soft Tissue changes after using Collagen Matrix Seal or Collagen Sponge with Allograft in Ridge Preservation:A Randomized Controlled Volumetric Study
Zuhair Natto;
Zuhair Natto
Tufts University School of Medicine
Periodontology
1 Kneeland Street, Boston
UNITED STATES
Boston
MA
02155
Tufts University School of Medicine
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J Oral Implantol (2020)
Article history
Received:
February 14 2019
Revision Received:
May 15 2019
Revision Received:
August 08 2019
Revision Received:
March 22 2020
Accepted:
May 02 2020
Citation
Zuhair Natto, Andreas Parashis, Y. Natalie Jeong; Soft Tissue changes after using Collagen Matrix Seal or Collagen Sponge with Allograft in Ridge Preservation:A Randomized Controlled Volumetric Study. J Oral Implantol doi: https://doi.org/10.1563/aaid-joi-D-19-00080
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