A Randomized Case-Series Study Comparing the Stability of Implant with Two Different Surfaces Placed in Fresh Extraction Sockets and Immediately Loaded

Bogaerde, Leonardo Vanden; Sennerby, Lars

doi:10.1155/2016/8424931

Cited by 8 publications

(8 citation statements)

References 22 publications

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“…Increased stability favours also predictability of immediate- or early loading protocols. The fact that all implants that had an extremely low IT and very low ISQ values at baseline because of split crest, sinus floor elevation, GBR-procedures or combinations of those led to complete integration confirms the biocompatibility and osteoconductivity of the ProActive surface as reported by other authors [37]. In all those cases RFA monitoring revealed increasing ISQ values from baseline to the 6 and 12 month follow-up registrations, which indicate a favourable bone tissue response to the implants.…”

Section: Discussionsupporting

confidence: 82%

A One-year Follow-up Study of a Tapered Hydrophilic Implant Design Using Various Placement Protocols in the Maxilla

Zwaan¹,

Bogaerde²,

Sahlin

et al. 2016

TODENTJ

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Purpose:To study the clinical/radiographic outcomes and stability of a tapered implant design with a hydrophilic surface when placed in the maxilla using various protocols and followed for one year.Methods:Ninety-seven consecutive patients treated as part of daily routine in two clinics with 163 tapered implants in healed sites, in extraction sockets and together with bone augmentation procedures in the maxilla were evaluated after one year in function. Individual healing periods varying from 0 to 6 months had been used. Insertion torque (IT) and resonance frequency analysis (RFA) measurements were made at baseline. Follow-up RFA registrations were made after 6 and 12 months of loading. The marginal bone levels were measured in intraoral radiographs from baseline and after 12 months. A reference group consisting of 163 consecutive straight maxillary implants was used for the comparison of baseline IT and RFA measurements.Results:Five implants failed before loading, giving an implant survival rate of 96.9% and a prosthesis survival rate of 99.4% after one year. The mean marginal bone loss after one year was 0.5 mm (SD 0.4). The mean IT was statistically significantly higher for tapered than for straight reference implants (41.3 ± 12.0 Ncm vs 33.6 ± 12.5 Ncm, p < 0.001). The tapered implants showed a statistically insignificantly higher mean ISQ value than the straight references implants (73.7 ± 6.4 ISQ vs 72.2 ± 8.0 ISQ, p=0.119). There was no correlation between IT and marginal bone loss. There was a correlation between IT and RFA measurements (p < 0.001).Conclusion:The tapered implant showed a high survival rate and minimal marginal bone loss after one year in function when using various protocols for placement. The tapered implant showed significantly higher insertion torque values than straight reference implants.

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Section: Discussionsupporting

confidence: 82%

A One-year Follow-up Study of a Tapered Hydrophilic Implant Design Using Various Placement Protocols in the Maxilla

Zwaan¹,

Bogaerde²,

Sahlin

et al. 2016

TODENTJ

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“…This is an improvement compared with a previous study from our group using the same implant but with a different and smoother surface (Neoss Bimodal) where 5% more failures were seen in the GBR group . It is possible that the present rougher surface, produced by blasting and acid etching (Neoss ProActive), resulted in a stronger bone response as also demonstrated in previous studies . Moreover, a clinical follow‐up study on early loading of full‐arch constructions showed clear differences in favor of the Neoss ProActive surface .…”

Section: Discussionmentioning

confidence: 51%

“…6 It is possible that the present rougher surface, produced by blasting and acid etching (Neoss ProActive), resulted in a stronger bone response as also demonstrated in previous studies. 8,19,20 Moreover, a clinical follow-up study on early loading of full-arch constructions showed clear differences in favor of the Neoss ProActive surface. 9 The present surface has also been chemically modified to increase wettability, which means that it is rapidly soaked in blood during placement.…”

Section: Discussionmentioning

confidence: 99%

Factors influencing marginal bone loss at a hydrophilic implant design placed with or without GBR procedures: A 5‐year retrospective study

Zumstein¹,

Schütz²,

Sahlin³

et al. 2019

Clin Implant Dent Rel Res

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Background Ongoing marginal bone loss is a threat to the longevity of implant‐supported prostheses. Aim The aim of the present study was to retrospectively evaluate the survival rate and factors affecting marginal bone levels at a hydrophilic implant design after 5 years in function. Materials and Methods The study group consisted of 51 consecutive patients previously treated with 159 hydrophilic implants (Neoss Straight Proactive implants) and scheduled for annual check‐ups with clinical and radiographic examinations during 5 years. Data were compiled for the entire study population as well as for two subgroups: one where guided bone regeneration (GBR) was performed (91 implants) and the other where no GBR procedures (68 implants) were performed. Marginal bone levels were measured from peri‐apical radiographs taken at placement and annual follow‐ups. Statistical analyses were applied to evaluate the effect of different factors on marginal bone remodeling. Results Two implant failures, one from each subgroup, occurred during the first year of function resulting in an overall cumulative survival rate (CSR) of 98.7% after 5 years of loading. The mean marginal bone loss amounted to 0.7 ± 0.7 mm after 1 year and 0.8 ± 0.6 mm after 5 years. No implants showed more than 3 mm bone loss after 5 years. Age, gender, implant position, biotype, implant diameter, implant length, indication, surgical/loading protocol, and ISQ at prosthesis delivery were found to affect bone remodeling. No significant differences or correlations were seen for smoking, jaw, bone quantity, bone quality, GBR, sinus lift, and ISQ at implant placement. Conclusions The present implant design performed well with few failures and minimal marginal bone loss after 5 years of loading. Marginal bone remodeling at implants is a complex phenomenon, which is affected by many patient‐, procedure‐, and implant‐related factors that need to be further investigated.

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“…The ISQ values were calculated during the placement and loading (4 months after placement) [14]. The mean difference in ISQ values was 2.18 ± 0.28 which was statistically significant ( p = 0.00).…”

Section: Resultsmentioning

confidence: 99%

A clinico-radiographic and histomorphometric analysis of alveolar ridge preservation using calcium phosphosilicate, PRF, and collagen plug

T.²,

et al. 2019

Maxillofac Plast Reconstr Surg

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Background Tooth extraction commonly leads to loss of residual alveolar ridge, thus compromising the room available for the implant placement. To combat the post-extraction alveolar loss, alveolar ridge preservation is practiced, with the advent of the biomaterial available. The purpose of this study was to assess the efficiency of calcium phosphosilicate biomaterial in alveolar ridge preservation. Twenty patients indicated for extraction were selected followed by socket grafting using calcium phosphosilicate. Implant placement was done 6 months postoperatively during which a core was harvested from the preserved sockets. Clinico-radiographic measurements of hard and soft tissues were taken at baseline and 6 months post-grafting. Results There were no significant changes in the radiographic and soft tissue parameters while significant changes in hard tissue parameters with 1.9 mm ( p = 0.013) gain in mid-buccal aspect and 1.1 mm ( p = 0.019) loss in horizontal bone width were observed. The histomorphometric evaluation depicted the vital bone volume of 54.5 ± 16.76%, non-mineralized tissue 43.50 ± 15.80%, and residual material 2.00 ± 3.37%. Conclusion The implants placed in these preserved ridges presented 100% success rate with acceptable stability after a 1-year follow-up, concluding calcium phosphosilicate is a predictable biomaterial in alveolar ridge preservation.

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A Randomized Case-Series Study Comparing the Stability of Implant with Two Different Surfaces Placed in Fresh Extraction Sockets and Immediately Loaded

Cited by 8 publications

References 22 publications

A One-year Follow-up Study of a Tapered Hydrophilic Implant Design Using Various Placement Protocols in the Maxilla

A One-year Follow-up Study of a Tapered Hydrophilic Implant Design Using Various Placement Protocols in the Maxilla

Factors influencing marginal bone loss at a hydrophilic implant design placed with or without GBR procedures: A 5‐year retrospective study

A clinico-radiographic and histomorphometric analysis of alveolar ridge preservation using calcium phosphosilicate, PRF, and collagen plug

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