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The influence of different soft-tissue grafting procedures at single implant placement on esthetics: A randomized controlled trial

Zuiderveld, E. G., Meijer, H. J. A., Vissink, A. & Raghoebar, G. M., Aug-2018, In : Journal of Periodontology. 89, 8, p. 903-914 12 p.

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  • The influence of different soft‐tissue grafting procedures at single implant placement on esthetics

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DOI

Background: Soft-tissue grafting to thicken the soft tissue around dental implants was proposed to ameliorate the esthetic outcome. Traditionally, connective tissue is used as a grafting material, but a xenogeneic collagen matrix was introduced as an alternative to reduce patient morbidity.

Methods: A total of 60 patients randomly received either no graft (n = 20, NG group), a connective tissue graft (n = 20, CTG group), or a xenogeneic collagen matrix (n = 20, XCM group) when an implant was placed in a preserved alveolar ridge. Changes in mid-buccal mucosal level (MBML) at 1 (T-1) and 12 (T-12) months after final implant crown placement were compared to the pre-extraction level. Additionally, esthetics, marginal bone level, clinical peri-implant parameters, and patient satisfaction were assessed.

Results: At T-12, mean changes in MBML were -0.48 +/- 1.5 mm, -0.04 +/- 1.1 mm, and -0.17 +/- 1.3 mm in the NG, CTG, and XCM groups (P = 0.56), respectively. Regarding the other outcome variables, no significant intergroup differences were observed.

Conclusions: Soft-tissue grafting at single implant placement in preserved alveolar ridges does not result in a better esthetic outcome or in better peri-implant health and should not be considered as a standard procedure.

Original languageEnglish
Pages (from-to)903-914
Number of pages12
JournalJournal of Periodontology
Volume89
Issue number8
Early online date2018
Publication statusPublished - Aug-2018

    Keywords

  • alveolar ridge augmentation, connective tissue, esthetics, gingival recession, single-tooth implants, CONTROLLED CLINICAL-TRIAL, XENOGENEIC COLLAGEN MATRIX, ALVEOLAR RIDGE PRESERVATION, GINGIVAL RECESSION DEFECTS, CORONALLY ADVANCED FLAP, FOLLOW-UP, TOOTH EXTRACTION, ANTERIOR MAXILLA, DENTAL IMPLANTS, POST-EXTRACTION

ID: 59966516