Bone reactions around dental implants subjected to progressive static load: an experimental study in dogs

Podaropoulos, Leonidas; Veis, Alexander; Trisi, Paolo; Papadimitriou, Serafim; Alexandridis, Constantinos; Kalyvas, Demos

doi:10.1111/clr.12658

Cited by 14 publications

(25 citation statements)

References 40 publications

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“…Also, it has been reported in the literature that excessive strain can lead to bone resorption, whereas magnitudes below this strain result in bone apposition, which would be in agreement with Podaropoulos et al, 20 which used 300 grams and Ferrari et al, 15 which used 20 kg. However, the clinically responsible parameters for the pathway of overload of already integrated implants have not been identified thus far.…”

Section: Discussionsupporting

confidence: 85%

“…In the past decade, investigators have studied the role of occlusal overload in osseointegrated implants in animal 15,20,21,22 and human studies 23 with contradictory findings. These inconsistent results might be due to the different methodologies used to apply forces, that can be occlusal or lateral static forces with many variations for load, duration, healing time before loading and the biofilm control method.…”

Section: Discussionmentioning

confidence: 99%

“…However, it is important to highlight that mechanical overload can be categorized into two different entities: loading forces preventing the implant to osseointegrate during the healing phase, and loading forces destroying a previously established osseointegration. Among our animal studies, some evaluate overload immediately after implant placement, 15 2 to 4 weeks after implant placement, 21 8 weeks after implant placement 20 and 12 weeks after implant placement (12 weeks follow up load ) or 20 weeks after implant placement (4-weeks follow up load), 22 , therefore a comparison among the studies is unlikely. The absence of micromotion is not a prerequisite for successful osseointegration.…”

Section: Discussionmentioning

confidence: 99%

“…Table 4 shows study characteristics of the animal studies included for the review. Podaropoulos et al, 20 evaluate histologically and histomorphometrically, the peri-implant bone reaction around implants subjected to controlled progressive orthodontic loading. Their Figure.…”

Section: Literature Searchmentioning

confidence: 99%

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Does traumatic occlusal forces lead to peri-implant bone loss? A systematic review

et al. 2019

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Observational studies have indicated that crestal bone level changes at implants are typically associated with clinical signs of inflammation, but still mechanical overload has been described as possible factor leading to hard-tissue deficiencies at implant sites without mucosal inflammation. The aim of this paper was systematically review the literature regarding the possible effect of traumatic occlusal forces on the peri-implant bone levels. Literature search was conducted using PubMed, Scielo and Lilacs, including the following terms: oral OR dental AND implant$ AND (load OR overload OR excessive load OR force$ OR bruxism) AND (bone loss OR bone resorption OR implant failure$). Databases were searched for the past 10 years of publications, including: clinical human studies, either randomized or not, cohort studies, case control studies, case series and animal research. Exclusion criteria were review articles, guidelines and in vitro and in silico (finite element analysis) research, as well as retrospective studies. The PICO questions formulated was: "does traumatic occlusal forces lead to peri-implant bone loss?" The database searches as well as additional hand searching, resulted in 807 potentially relevant titles. After inclusion/exclusion criteria assessment 2 clinical and 4 animal studies were considered relevant to the topic. The included animal studies did not reveal an association between overload and peri-implant bone loss when lower overloads were applied, whereas in the presence of excessive overload it seemed to generate peri-implant bone loss, even in the absence of inflammation. The effect of traumatic occlusal forces in peri-implant bone loss is poorly reported and provides little evidence to support a cause-and-effect relationship in humans, considering the strength of a clinically relevant traumatic occlusal force.

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Section: Discussionsupporting

confidence: 85%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Literature Searchmentioning

confidence: 99%

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Does traumatic occlusal forces lead to peri-implant bone loss? A systematic review

et al. 2019

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“…On the other hand, implantable devices should have significant mechanical strength, especially under the influence of dynamic loads (Podaropoulos et al, 2016). The high mechanical properties will ensure the durability of manufactured medical products.…”

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confidence: 99%

Thin Bioactive Zn Substituted Hydroxyapatite Coating Deposited on Ultrafine-Grained Titanium Substrate: Structure Analysis

et al. 2018

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Nanocrystalline Zn-substituted hydroxyapatite coatings were deposited by radiofrequency magnetron sputtering on the surface of ultrafine-grained titanium substrates. Cross-section transmission electron microscopy provided information about the morphology and texture of the thin film while in-column energy dispersive X-ray analysis confirmed the presence of Zn in the coating. The Zn-substituted hydroxyapatite coating was formed by an equiaxed polycrystalline grain structure. Effect of substrate crystallinity on the structure of deposited coating is discussed. An amorphous TiO2 sublayer of 8-nm thickness was detected in the interface between the polycrystalline coating and the Ti substrate. Its appearance in the amorphous state is attributed to prior to deposition etching of the substrate and subsequent condensation of oxygen-containing species sputtered from the target. This layer contributes to the high coating-to-substrate adhesion. The major P-O vibrational modes of high intensity were detected by Raman spectroscopy. The Zn-substituted hydroxyapatite could be a material of choice when antibacterial osteoconductive coating with a possibility of withstanding mechanical stress during implantation and service is needed.

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Mechanobiologically optimized Ti–35Nb–2Ta–3Zr improves load transduction and enhances bone remodeling in tilted dental implant therapy

Mao

Jin

et al. 2022

Bioactive Materials

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Bone reactions around dental implants subjected to progressive static load: an experimental study in dogs

Abstract: The application of progressive loading by controlled orthodontic force on osseointegrated implants provoked significant increase in the percentage of bone-to-implant contact of the low-density bone of the dog maxilla.

Cited by 14 publications

References 40 publications

Does traumatic occlusal forces lead to peri-implant bone loss? A systematic review

Does traumatic occlusal forces lead to peri-implant bone loss? A systematic review

Thin Bioactive Zn Substituted Hydroxyapatite Coating Deposited on Ultrafine-Grained Titanium Substrate: Structure Analysis

Mechanobiologically optimized Ti–35Nb–2Ta–3Zr improves load transduction and enhances bone remodeling in tilted dental implant therapy

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