Journal
JOURNAL OF CLINICAL MEDICINE
Volume 10, Issue 20, Pages -Publisher
MDPI
DOI: 10.3390/jcm10204635
Keywords
bone-block; allograft; esthetics
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The study evaluated esthetic results after augmentation of the anterior atrophic maxilla using cancellous bone-block allograft followed by implant placement and late loading. Results showed predictable esthetic outcome with long-term stability.
Background: Various conditions may lead to bony deficiency in the anterior maxilla. The present study evaluated esthetic (PES-pink esthetic score and WES-white esthetic score) results after augmentation of the anterior atrophic maxilla using cancellous bone-block allograft followed by implant placement and late (conventional) loading. Methods: Cohort study that included 33 patients with missing teeth in the upper anterior region characterized by extensive bone loss. Allogeneic cancellous bone-blocks were used for augmentation. Six months later, a dental implant was inserted. After a waiting time of an additional six-months, implant exposure and reconstruction were performed. The mean follow-up period was 62.93 & PLUSMN; 17.37 months (range 19-82 months). Results: The mean value of PES/WES was 17.8 & PLUSMN; 2.78. All patients had a PES/WES value above 12 (threshold value defined as clinically acceptable esthetics). The mean value of PES was 9.0 & PLUSMN; 1.79 and the mean value of WES was 8.8 & PLUSMN;1.84. Conclusions: Bone augmentation of the anterior atrophic maxilla using cancellous block-allograft and late loading supports achievement of a predictable esthetic result with long-term stability of soft and hard tissues around implant-supported reconstructions.
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