Jonas Åberg
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View article: Bone formation beyond the skeletal envelope using calcium phosphate granules packed into a collagen pouch—a pilot study
Bone formation beyond the skeletal envelope using calcium phosphate granules packed into a collagen pouch—a pilot study Open
In this proof-of-concept, bone neoformation beyond the skeletal envelope is explored by using a collagen pouch ( n = 6) packed with calcium phosphate (CaP) granules placed over the frontal bone in sheep ( n = 3). At 13 weeks, macroscopic e…
View article: 1-Year pullout strength and degradation of ultrasound welded vs tapped craniomaxillofacial fixation screws
1-Year pullout strength and degradation of ultrasound welded vs tapped craniomaxillofacial fixation screws Open
View article: Guiding bone formation using semi‐onlay calcium phosphate implants in an ovine calvarial model
Guiding bone formation using semi‐onlay calcium phosphate implants in an ovine calvarial model Open
The restoration of cranio-maxillofacial deformities often requires complex reconstructive surgery in a challenging anatomical region, with abnormal soft tissue structures and bony deficits. In this proof-of-concept, the possibility of vert…
View article: Classical restrictions of generic matrix product states are quasi-locally Gibbsian
Classical restrictions of generic matrix product states are quasi-locally Gibbsian Open
We show that norm squared amplitudes with respect to a local orthonormal basis (the classical restriction) of finite quantum systems on one-dimensional lattices can be exponentially well approximated by Gibbs states of local Hamiltonians (…
View article: Monetite-based composite cranial implants demonstrate long-term clinical volumetric balance by concomitant bone formation and degradation
Monetite-based composite cranial implants demonstrate long-term clinical volumetric balance by concomitant bone formation and degradation Open
The use of calcium phosphates (CaPs) as synthetic bone substitutes should ideally result in a volumetric balance with concomitant bone formation and degradation. Clinical data on such properties is nevertheless lacking, especially for mone…
View article: Additively manufactured mesh-type titanium structures for cranial implants: E-PBF vs. L-PBF
Additively manufactured mesh-type titanium structures for cranial implants: E-PBF vs. L-PBF Open
A patient-specific titanium-reinforced calcium phosphate (CaP–Ti) cranial implant has recently shown promising clinical results. Currently, its mesh-type titanium structure is additively manufactured using laser beam powder bed fusion (L-P…
View article: Titanium reinforced calcium phosphate improves bone formation and osteointegration in ovine calvaria defects: a comparative 52 weeks study
Titanium reinforced calcium phosphate improves bone formation and osteointegration in ovine calvaria defects: a comparative 52 weeks study Open
In a 52 week ovine calvaria implantation model, the restoration of cranial defects with a bare titanium mesh (Ti-mesh) and a titanium mesh embedded in a calcium phosphate (CaP-Ti) were evaluated in seven animals. During the study, no major…
View article: In situ bone regeneration of large cranial defects using synthetic ceramic implants with a tailored composition and design
In situ bone regeneration of large cranial defects using synthetic ceramic implants with a tailored composition and design Open
Significance Large cranial reconstructions are increasingly performed worldwide and still represent a substantial clinical challenge. The gold standard, autologous bone, has limited availability and high donor-site morbidity. Current allop…
View article: Additively manufactured mesh-type titanium structures for cranial implants: E-PBF vs. L-PBF
Additively manufactured mesh-type titanium structures for cranial implants: E-PBF vs. L-PBF Open
View article: Mechanical behaviour of composite calcium phosphate–titanium cranial implants: Effects of loading rate and design
Mechanical behaviour of composite calcium phosphate–titanium cranial implants: Effects of loading rate and design Open
View article: Logistikmetoden ”sju sorters kakor”till normalstora arbetsplatser
Logistikmetoden ”sju sorters kakor”till normalstora arbetsplatser Open
Logistik och framförallt problematiken med små upplagsytor blir en allt vanligare situation för entreprenörerna i byggbranschen. Genom ett samarbete med PEAB region Norr studerades byggandet av referensprojektet IKEA i Umeå och den logisti…
View article: Design och implementering av en tidsaxel som presentationsverktyg för berättelser
Design och implementering av en tidsaxel som presentationsverktyg för berättelser Open
I detta examensarbete har fokusen varit på att ta fram en design av en tidsaxel och implementera den. Tidsaxeln ska beskriva händelseförloppet av en berättelse som användaren av programmet skrivit. Tidsperioderna sätts på en berättelsenod,…