SURFACECONCEPT

EVOLUTION

THE TECHNOLOGY DEVELOPED TO FACILITATE YOUR WORK AND ENHANCE CLINICAL RESULTS. Like you, we live to give people new reasons to

smile. To achieve this goal, we are always investing

in research and innovation. As a result of this

work, we developed the Acqua hydrophilic surface

physical-chemical technology. Designed to deliver

a better result in low density bone treatments.

Wettability is an important component to the accessibility of an implant surface for aqueous biologic liquids like blood. Wettability

plays a role that is especially clear when the interactions between hydrophilicity and characteristics like topographical and

roughness are considered.(1)

The wettability characteristic is assessed by the contact angle of a drop of liquid on the surface of the implant.(1,2)

Acqua: the innovative surfacefeaturing a physical-chemical activation.

If you compare hydrophobic and hydrophilic surfaces, a differentiated cascade of initial interfacial stresses is expected.(1)

Hydrophobic Surface x Acqua Hydrophilic Surface - Static Contact Angle.

Hydrophobic surface

Hydrophilic surface

The titanium oxide layer over an implant surface is usually electronegative. The consequences of this particular characteristic is to reduce

the contact between implant surface and blood, that is also electronegative. Hydrophilic-surfaced implants are characterized by the titanium

oxide electro-positivity layer.

The physical-chemical activation of the Acqua surface changes the negatively charged surface into positive, atracting ions from the blood

improving the contact as proved in in vitro studies.(1,3)

How is Acqua’s surface hydrophilicity obtained?

Hydrophobic Surface (conventional).

Acqua Hydrophilic Surface.

Acqua Surface interaction (electropositive) with blood (electronegative).

Lab generated image

SURFACE COMPARISON

In vitro analyses have shown that the surface chemical activation and the

microtopography contribute to the performance of the implant surface.(6)

These characteristics are microscopically controlled by state-of-the-

art equipment which characterize the appropriate roughness levels for

successful osseointegration.

Image taken by confocal microscopy Roughness and Microtopography.(Sa= 1,4 – 1,8 μm; Sz= 15 μm).

Image obtained through a scanning electron microscope of 3.000x magnification.

An innovative surface designedfor successful osseointegration.(4,5)

> +52,8% BIC(7)

Higher bone to implant contact and acceleration of the bone regeneration.(7)

Histomorphometric analysis of the hydrophilic surface after 28 days in pre-clinical studies in rabbit tibias.

Histomorphometric analysis of the hydrophobic surface after 28 days in pre-clinical studies in rabbit tibias.

ACQUA HYDROPHILIC SURFACE HYDROPHOBIC SURFACE

A reduced bone bed may result in a fenestration around newly placed implants, resulting in exposed threads

and the need to use graft materials for augmentation.

Using implants featuring the Acqua surface treatment in these critical situations may result in the increase of

bone apposition, and further increase in BIC, when compared to hydrophobic sufaces.(5)

Bone regeneration in association with biomaterials.(5)

Hydrophilicity results in increased contact between the proteins in blood and the implant, making the beginning

of the bone regeneration process effective.(4,8,9)

Pre-clinical study (7) in rabbit tibias performed with Acqua implants suggests improved BIC of 52,8% in 28 days

of osseointegration compared to hydrophobic surface implants.

A histomorphometric study showing bone neoformation around the xenograf.(5)

* Research carried out with Prof. Dra. Mônica Diuana Calasans Maia and the team from the Fluminense Federal University (UFF).

The quality and confidence of the Neodent implant designs(10,11,12), now featuring the Acqua surface.

Acqua implants feature both a hydrophilic surface and microtopography designed to provide higher

confidence in your clinical outcomes.

Acqua: reliability and confidence in your hands

Type III & IV bone

Post-extraction

Grafted areas

Recommended uses for Acqua

surface implants DRIVE ALVIM TITAMAX EX

REFERENCES AND PUBLICATIONS

1. Rupp F, Scheideler L, Eichler M, Geis-Gerstorfer J. Wetting behavior of dental implants. Int J Oral Maxillofac Implants. 2011 Nov-Dec; 26(6):1256-66.2. Bico J, Thiele U, Quéré D. Wetting of textured surfaces. Collids and Surfaces. A: Physicochemical and Engineering Aspects 206 (2002) 41–46.3. Gittens RA, Olivares-Navarrete R, Tannenbaum R, Boyan BD, Schwartz Z. Electrical implications of corrosion for osseointegration of titanium implants. J Dent Res. 2011 Dec; 90(12): 1389-97.4. Mendonça G, Mendonça BD, Oliveira SL, Araujo AC. Efeitos da diferenciação de células-tronco mesenquimais humanas sobre superfícies de implantes hidrofílicas. In: Implant News, v. 10, n. 6a | PBA | Novembro/Dezembro 2013 ISSN 1678-6661 [111-116].5. da Silveira BM. Análises tomográfica, microtomográfica e histológica entre enxertos em bloco autógeno e xenógeno nas reconstruções ósseas de maxila. Dissertação de mestrado. ILAPEO. 2013.133 pg.6. Albrektsson T, Wennerberg A. Oral implant surfaces: Part 1—review focusing on topographic and chemical properties of different surfaces and in vivo responses to them. Int J Prosthodont. 2004 Sep-Oct; 17(5): 536-43.7. Sartoretto SC, Alves AT, Resende RF, Calasans-Maia J, Granjeiro JM, Calasans-Maia MD. Early osseointegration driven by the surface chemistry and wettability of dental implants. J Appl Oral Sci. 2015. May-Jun;23(3):279-87.8. Rupp F, Scheideler L, Olshanska N, de Wild M, Wieland M, Geis-Gerstorfer J. Enhancing surface free energy and hydrophilicity through chemical modification of microstructured titanium implant surfaces. Journal of Biomedical Materials Research A, 76(2): 323-334, 2006.9. Kloss FR, Steinmüller-Nethl D, Stigler G, Ennemoser T, Rasse M, Hächl O. In vivo investigation on connective tissue healing to polished surfaces with different surface wettability. Clin Oral Implants Res. 2011 Jul; 22(7): 699-705.10. Borges AF, Dias Pereira LA, Thomé G, Melo AC de Mattias, Sartori IA. Prostheses removal for suture removal after immediate load: success of implants. Clin Implant Dent Relat Res. 2010 Sep; 12(3): 244-8.11. Faot F, Hermann C, Sartori EM, Bassi AP. Tilted implants and prototyping: a security option for improving the anchorage in atrophic maxilla. Gen Dent. 2013 Mar- Apr; 61(2): 28-31.12. Lee HJ, Aparecida de Mattias Sartori I, Alcântara PR, Vieira RA, Suzuki D, Gasparini Kiatake Fontão F et al. Implant stability measurements of two immediate loading protocols for the edentulous mandible: rigid and semi-rigid splinting of the implants. Implant Dent. 2012 Dec; 21(6): 486-90.

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