Journal of periodontology · 2018
The influence of different soft-tissue grafting procedures at single implant placement on esthetics: A randomized controlled trial.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Zuiderveld Elise G, Meijer Henny J A, Vissink Arjan, Raghoebar Gerry M
Аннотация
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 (T1 ) and 12 (T12 ) 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 T12 , 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.
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 (T1 ) and 12 (T12 ) 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 T12 , 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.