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Volume 34 , Issue 5
September/October 2014
Pages 631–637

Soft Tissue Contour Changes at Immediate Implants: A Randomized Controlled Clinical Study

Daniele Cardaropoli, DDS/Lorena Gaveglio, DDS/Enrico Gherlone, MD, DDS/Giuseppe Cardaropoli, DDS, PhD

PMID: 25171033
DOI: 10.11607/prd.1845

In 52 patients, single anterior teeth were extracted and replaced by immediate implants. The peri-implant gap was left either untreated (control) or was grafted and covered with a membrane (test group). After 12 months the horizontal bone resorption was significantly lower in the test group (test sites: 0.69 ± 0.68 mm, 8.13%; control sites: 1.92 ± 1.02 mm, 21.62%; P = .001), and there was less reduction in ridge height (test sites: 0.58 ± 0.77 mm; control sites: 1.69 ± 1.74 mm; P = .004). Ridge preservation considerably limited the amount of horizontal and vertical soft tissue alterations when compared with implant placement alone. (Int J Periodontics Restorative Dent 2014;34:631–637. doi: 10.11607/prd.1845)

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