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Simultaneous lateral bone augmentation and implant placement using a particulated synthetic bone substitute around chronic peri‐implant dehiscence defects in dogs
Author(s) -
Jung UiWon,
Cha JaeKook,
Vignoletti Fabio,
Nuñez Javier,
Sanz Javier,
Sanz Mariano
Publication year - 2017
Publication title -
journal of clinical periodontology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.456
H-Index - 151
eISSN - 1600-051X
pISSN - 0303-6979
DOI - 10.1111/jcpe.12802
Subject(s) - dehiscence , implant , dentistry , medicine , soft tissue , surgery
Aim To determine the histological outcomes when using a highly porous synthetic bone substitute and a cross‐linked collagen membrane for lateral bone augmentation of peri‐implant dehiscence defects. Methods In eight dogs, three treatment groups were randomly allocated at each peri‐implant dehiscence defect (mean height × depth = 3 × 1 mm) as follows: (i) synthetic bone substitute covered by a cross‐linked collagen membrane (test group), (ii) deproteinized bovine bone mineral covered by a natural collagen membrane (positive control), and (iii) no treatment (negative control). Two healing periods (8 and 16 weeks) were applied. Results The differences in healing outcomes between the test and positive control groups were not significant at 8 weeks. Horizontal bone augmentation 2 mm below the implant shoulder was significantly greater in the test group (1.22 ± 0.53 mm) than in the positive and negative controls (0.42 ± 0.51 and 0.36 ± 0.50 mm, respectively) at 16 weeks. Similarly, the augmented tissue thickness at 0, 1, and 2 mm apical to the implant shoulder was significantly greater in the test group than in the positive control group. Conclusion The test group showed significantly better histological outcomes for lateral bone augmentation and tissue thickness at 16 weeks compared to both the positive and negative control groups.