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Abstract
Prescription of implant treatments is very widespread at present, mainly due to the low rate of annual loss and, to date, few studies have assessed their survival in the routine clinical practice of dentistry. The purpose of this observational study was to evaluate the effectiveness of dental implants with a calcium-phosphate surface in the daily practice of dental clinics. A multicenter, prospective, non-interventional, observational study was performed, in which three experienced practitioners (one maxillofacial and two oral surgeons) inserted implants using standard external and internal hexagon connections in adult patients requiring ≥1 osseointegrated implants to replace missing teeth. Follow-up was performed for 24 months after implant loading. Two hundred and twelve subjects were included (51.5% men), with a mean age of 51.2 ± 11.90 years, in whom 544 implants were inserted. 87.2% of the patients received 1–4 implants. The preferred connection system was internal hexagon (73.5%). There were nine failures, with an interval survival rate (ISR) at 24 months of 100% and a cumulative survival rate (CSR) of 98.3%. In conclusion, implants with a modified calcium-phosphate surface are associated with a high rate of survival and may be considered a method of choice in clinical practice.
Highlights
The main reason for which treatment with endosseous dental implants is so widespread at present is the low annual implant loss rate, as has been demonstrated by recent controlled trials, systematic reviews and meta-analyses [1,2,3,4,5,6,7]
The implant is characterized by their biomimetic advanced surface, which is classified as moderately rough, and has a surface topography that features macro-roughness, achieved through a physical process, and microporosity obtained through a chemical process whereby calcium and phosphorus are incorporated into the titanium oxide creating an osteoconductive surface that enhances osseointegration [26]
The results showed that implants with a modified calcium-phosphate surface were clinically osseointegrated, which would be consistent with the high survival rates observed at 12-months and 24-months
Summary
The main reason for which treatment with endosseous dental implants is so widespread at present is the low annual implant loss rate, as has been demonstrated by recent controlled trials, systematic reviews and meta-analyses [1,2,3,4,5,6,7]. Implant treatment is not exempt from complications and failures, both at short- (1.4 to 2.7%) and long-term (1.6 to 2.72% after more than nine years) [2,8,9]. It is known that the outcome of implant treatment basically depends on the design of the implant, the position in which it is placed, the surgical technique, the conditions of the patients and the type of prosthesis [22]. The Biomimetic Ocean implants (Avinent Implant System, Barcelona, Spain), with a modified calcium-phosphate surface, have an innovative geometry that adapts to the biological architecture of the bone promoting primary stability, preservation of the bone and esthetics, and it has positive angle platform switching to facilitate soft tissue adaptation. The implant is characterized by their biomimetic advanced surface, which is classified as moderately rough, and has a surface topography that features macro-roughness, achieved through a physical process, and microporosity obtained through a chemical process whereby calcium and phosphorus are incorporated into the titanium oxide creating an osteoconductive surface that enhances osseointegration [26]
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