“Peroperative estimation of bone quality and primary dental implant stability”

Voumard, Benjamin; Maquer, Ghislain Bernard; Heuberger, Peter; Zysset, Philippe; Wolfram, Uwe

doi:10.1016/j.jmbbm.2018.12.035

Cited by 28 publications

(25 citation statements)

References 51 publications

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“…Albeit bone surrogates do not fully replicate the mechanical properties of human bone, they are intended to provide consistent and uniform material with properties in the range of human cancellous bone [25]. The second in vitro study was performed in controlled laboratory conditions using trabecular bone samples from bovine tibia plateau [7]. The volume fraction of the trabecular bone across anatomic sites ranged between 14% and 31%, which would correspond to trabecular core found in posterior maxilla and anterior mandible, respectively [26].…”

Section: Discussionmentioning

confidence: 99%

“…Samples were then segmented (threshold: 414 mgHA/ccm) to quantify the bone volume fraction (BV/TV) of each specimen. Afterwards, all samples were embedded into polymethylmethacrylate (PMMA) as previously described [7]. Bovine bone cylinders were frozen at −21 • between uses.…”

Section: In Vitro Bovine Trabecular Bonementioning

confidence: 99%

“…In all samples, implants were inserted to full depth and with a manually controlled feeding rate using the same drill unit at 25 rpm. The maximum torques generated during site preparation and during implant placement were recorded with a load cell (M-2025, Lorenz, Messtechnik GmbH, Germany) situated underneath the sample holder [7].…”

Section: In Vitro Bovine Trabecular Bonementioning

confidence: 99%

“…Clinical examination in combination with radiographic assessment of the implant site provide clinicians with pre-operatory information essential for surgical planning [1][2][3]. Additionally, experienced clinicians adjust their surgical technique based on visual cues and tactile feedback during the implant site preparation [4][5][6][7]. Whereas the clinical and radiographic assessment of the implant site follow well-established parameters that can be promptly learned, the clinical judgment necessary to gauge bone characteristics has to be learned through experience [8,9].…”

Section: Introductionmentioning

confidence: 99%

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A New Site Preparation Protocol That Supports Bone Quality Evaluation and Provides Predictable Implant Insertion Torque

Velikov¹,

Susin

Heuberger³

et al. 2020

JCM

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When preparing an implant site, clinicians often base their assessment of the bone on subjective tactile and visual cues. This assessment is used to plan the surgical procedure for site preparation, including how many drilling steps will be used. The subjective nature of bone evaluation, consequently, results in poor reproducibility and may lead to under or over preparation of the site. Recently, an unconventional site preparation protocol was developed in which the decision of which instruments to use is dictated by insertion torque of the novel site preparation instrument (OsseoShaper ™ , Nobel Biocare AB, Gothenburg, Sweden). The aim of this study was to quantify the correlation of the site preparation torques of the new instrument with bone density and maximum implant insertion torques. In vitro and in vivo data showed strong linear correlation between site preparation torque and density and resulted in reliable implant insertion torques, respectively. From our analysis, we conclude that this new instrument and protocol has the potential to eliminate the need for additional intraoperative bone evaluation and may reduce the risk of inadequate preparation of the site due to the ability to serve as a predictor of the final implant insertion torque.profile combined with a cutting flute and unconventional site preparation protocol. Following the pilot drill, the osteotomy is shaped with an implant-specific single use instrument, OsseoShaper1 (OS1), without irrigation at low speed (25-100 rpm) using a motorized drill unit with a maximum torque setting of 40 Ncm (Figure 1). The OS1 torque, measured by a drill unit with real-time torque display, determines the workflow for implant placement. If the OS1 achieves the desired depth and position with less than 40 Ncm, the implant can be placed. If the OS1 torque reaches 40 Ncm before it reaches the planned position, the next instrument should be used to further shape the implant site.

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Section: Discussionmentioning

confidence: 99%

Section: In Vitro Bovine Trabecular Bonementioning

confidence: 99%

Section: In Vitro Bovine Trabecular Bonementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A New Site Preparation Protocol That Supports Bone Quality Evaluation and Provides Predictable Implant Insertion Torque

Velikov¹,

Susin

Heuberger³

et al. 2020

JCM

Self Cite

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show abstract

“…Primary implant stability played a key role in evaluating the success of dental implant surgery. It mainly maintained a low micromovement during the early healing time of the dental implant and promoted the combination of bone and the surface of the implant Open Access Journal [20,21]. Therefore, the acquirement of primary implant stability during the implant placement was crucially important.…”

Section: Sci Forschenmentioning

confidence: 99%

The Relationship between Bone Density at Implant Sites and Primary Implant Stability

Z¹,

Zhang²,

L³

et al. 2021

Int J Dent Oral Health

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Peri-implant bone preservation of a novel, self-cutting, and fully tapered implant in the healed crestal ridge of minipigs: submerged vs. transgingival healing

Francisco

Finelle²,

Bornert

et al. 2021

Clin Oral Invest

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Objectives The aim of this study was to assess the influence of transgingival compared with submerged healing on peri-implant bone maintenance around a novel, fully tapered implant in a healed crestal ridge in minipigs. Materials and methods In each of 12 minipigs, two implants (Straumann® BLX, Roxolid® SLActive®, Ø 3.75 × 8 mm) were placed. Implants were either left for submerged or for transgingival healing for 12 weeks. Measurements performed were bone-to-implant contact (BIC), first bone-to-implant contact (fBIC), bone area to total area (BATA), perpendicular bone crest to implant shoulder (pCIS), bone height change from placement, and bone overgrowth (for submerged implants). Results No significant differences were found between transgingival and submerged healing in any of the measured parameters, except for BATA on the buccal aspect in which significantly more bone formation was found for the transgingival healing group. For both groups, there was a gain in crestal bone height during the 12-week healing period. Conclusions Loaded compared with unloaded implants displayed comparable levels of osseointegration and equivalent marginal bone levels. This qualifies the implant placement protocol with respect to the osteotomy dimensions and subcrestal placement protocol for immediate loading. Clinical relevance The here presented results related to osseointegration and crestal bone maintenance after submerged or transgingival healing have demonstrated a high level of consistency in the used in vivo translational model. The obtained results support the translation of the novel implant type in conjunction with the developed surgical workflow and placement protocol into further clinical investigation and use.

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“Peroperative estimation of bone quality and primary dental implant stability”

Cited by 28 publications

References 51 publications

A New Site Preparation Protocol That Supports Bone Quality Evaluation and Provides Predictable Implant Insertion Torque

A New Site Preparation Protocol That Supports Bone Quality Evaluation and Provides Predictable Implant Insertion Torque

The Relationship between Bone Density at Implant Sites and Primary Implant Stability

Peri-implant bone preservation of a novel, self-cutting, and fully tapered implant in the healed crestal ridge of minipigs: submerged vs. transgingival healing

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