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Immediate Provisionalization of NanoTite Implants in Support of Single‐Tooth and Unilateral Restorations: One‐Year Interim Report of a Prospective, Multicenter Study
Author(s) -
Östman PärOlov,
Hupalo Markijan,
Del Castillo Robert,
Emery Robert W.,
Cocchetto Roberto,
Vincenzi Giampaolo,
Wagenberg Barry,
Vanassche Bruno,
Valentin Andreas,
Clausen Gerard,
Hogan Paul,
Goené Ronnie,
Evans Christopher,
Testori Tiziano
Publication year - 2010
Publication title -
clinical implant dentistry and related research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.338
H-Index - 85
eISSN - 1708-8208
pISSN - 1523-0899
DOI - 10.1111/j.1708-8208.2009.00166.x
Subject(s) - medicine , dentistry , implant , interim , orthodontics , maxilla , multicenter study , randomized controlled trial , surgery , archaeology , history
Background: Clinical studies reporting immediate loading of endosseous implants for edentulous cases and for fixed partial restorations have been well documented with satisfactory survival rates. Implants with a recently developed, nanometer‐scale surface topography (NanoTite®, BIOMET 3i , Palm Beach Gardens, FL, USA), created by discrete crystalline depositions (DCD) of calcium phosphate nano‐crystals onto a dual acid‐etched (DAE) surface, show enhanced early fixation in preclinical studies when compared with DAE‐surfaced implants. These outcomes suggest DCD‐surfaced implants may be advantageous for immediate loading approaches. Objective: The aim of this prospective, multicenter, observational study is to report clinical outcomes for DCD‐surfaced implants placed in immediate functional support of single‐ and multi‐unit restorations according to an immediate loading protocol. Materials and Methods: One hundred eighty‐five patients enrolled at 15 international study centers received a total of 335 implants supporting 216 immediate provisionalizations consisting of 128 single‐tooth restorations and 88 fixed restorations. Of the 335 implants, 77% are located in posterior and 23% in anterior regions with 55.5% of the total in mandibles and 44.5% in maxillae. Patients were evaluated for implant mobility, gingival health, symptomatology, and radiographic outcomes. Results: At the time of this 1‐year interim report, a total of 17 failures have been observed in 11 patients, yielding a cumulative survival rate of 94.9%. Conclusion: Relative to other prospective, multicenter studies of immediately loaded implants with various surface enhancements, NanoTite implants perform comparatively well when immediately provisionalized with single‐tooth and fixed restorations.