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ePaper created 2017-12-06, 11:14:19 | version 1.38.0
| research Lingual BC Buccal BC Lingual BC Buccal BC Titanium PEEK p value Buccal bone Mean ± Sd 1.96 ± 0.21 * 1.43 ± 0.11 0.013 Median 1.96 1.43 Lingual bone Mean ± Sd 1.78 ± 0.33 * 1.28 ± 0.43 0.031 Fig. 1a Fig. 1b Median 1.78 1.28 Table 4 Fig. 2a Fig. 2b Fig. 3 each patient (Fig. 5). The next step is to obtain rel- ative isolation, with any hint of moisture removed, to ensure a good intraoral impression. The savings in terms of time and money are evident, as is the increase in patient comfort. to the bone-to-implant contact area. Biomimetics is the study of the materials that allow us to adapt prosthetic elements to their intended proper func- tion, based on similarity to the receiving environ- ment.26 Knowing how forces are transmitted is es- sential to avoid loads that can lead to bone loss or implant failure. Figs. 1a & b: Radiological analysis. Comparison between a titanium abutment (a) and a SKY elegance abutment (b). Tab. 4: Radiological analysis of bone first contact distance to the implant shoulder. Values as mean ± Sd and median. Non-para- metric Friedman test analysis. (*) Significant differences with p < 0.05. Figs. 2a & b: Histological analysis of the SKY elegance abutment. Detail of platform switching and connective- tissue insertion over platform. Connective tissue at four weeks (a). Connective tissue at eight weeks (b). Figs. 3a–h: Radiological analysis. Preoperative (a, e), at one month Fabricating a CEREC crown (b, f), at three months (c, g), and at five months (d, h). The choice of restorative material to use on an im- plant requires familiarity with the way masticatory forces are transmitted via the crown and abutment The SKY elegance is a hybrid abutment with a tita- nium base and a ceramically reinforced PEEK body, so the transmission of forces from the crown to the Fig. 4a Fig. 4b First bone contact to platform (mm) 1 month 3 months 5 months p value 0.50 ± 0.41 1.07 ± 1.12 1.17 ± 0.87 0.044 ISQ value (%) 68.10 ± 4.93 69.34 ± 1.22 71.43 ± 3.01 0.12 Mean ± Sd Bleeding on probing (0–1) 0.21 ± 0.01 0.16 ± 0.05 0.06 ± 0.02 0.014 Insertion length (mm) 3.64 ± 1.02 4.19 ± 1.05 4.11 ± 1.02 0.029 Table 5 Figs. 4a & b: Customisation of a SKY elegance abutment. Tab. 5: Human study, values as mean ± Sd. Non-parametric Friedman test. Values of bleeding on probing (0 = no bleeding on probing and 1 = bleeding on probing). 08 implants 3 2017