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Items: 34


Oral Rehabilitation of Hypodontia Patients Using an Endosseous Dental Implant: Functional and Aesthetic Results.

Attia S, Schaaf H, El Khassawna T, Malhan D, Mausbach K, Howaldt HP, Streckbein P.

J Clin Med. 2019 Oct 15;8(10). pii: E1687. doi: 10.3390/jcm8101687.


Computed tomography for managing periprosthetic femoral fractures. A retrospective analysis.

Rupp M, Kern S, Ismat A, El Khassawna T, Knapp G, Szalay G, Heiss C, Biehl C.

BMC Musculoskelet Disord. 2019 May 29;20(1):258. doi: 10.1186/s12891-019-2632-y.


Analysis of microscopic bone properties in an osteoporotic sheep model: a combined biomechanics, FE and ToF-SIMS study.

Müller R, Henss A, Kampschulte M, Rohnke M, Langheinrich AC, Heiss C, Janek J, Voigt A, Wilke HJ, Ignatius A, Herfurth J, El Khassawna T, Deutsch A.

J R Soc Interface. 2019 Feb 28;16(151):20180793. doi: 10.1098/rsif.2018.0793.


Do Systemic Factors Influence the Fate of Nonunions to Become Atrophic? A Retrospective Analysis of 162 Cases.

Rupp M, Kern S, El Khassawna T, Ismat A, Malhan D, Alt V, Heiss C, Raschke MJ.

Biomed Res Int. 2019 Feb 19;2019:6407098. doi: 10.1155/2019/6407098. eCollection 2019.


Functional and aesthetic treatment outcomes after immediate jaw reconstruction using a fibula flap and dental implants.

Attia S, Wiltfang J, Streckbein P, Wilbrand JF, El Khassawna T, Mausbach K, Howaldt HP, Schaaf H.

J Craniomaxillofac Surg. 2019 May;47(5):786-791. doi: 10.1016/j.jcms.2018.12.017. Epub 2019 Jan 3.


An Optimized Approach to Perform Bone Histomorphometry.

Malhan D, Muelke M, Rosch S, Schaefer AB, Merboth F, Weisweiler D, Heiss C, Arganda-Carreras I, El Khassawna T.

Front Endocrinol (Lausanne). 2018 Nov 21;9:666. doi: 10.3389/fendo.2018.00666. eCollection 2018.



Rupp M, Merboth F, Daghma DE, Biehl C, El Khassawna T, Heiß C.

Z Orthop Unfall. 2019 Apr;157(2):154-163. doi: 10.1055/a-0658-5922. Epub 2018 Oct 26. English, German.


Better is the foe of good: Outcome of operatively treated ankle fractures in the elderly.

Rupp M, Kockmann S, El Khassawna T, Raschke MJ, Heiss C, Ochman S.

Foot (Edinb). 2018 Sep;36:15-20. doi: 10.1016/j.foot.2018.04.002. Epub 2018 Apr 24.


Predatory journals: a major threat in orthopaedic research.

Rupp M, Anastasopoulou L, Wintermeyer E, Malhaan D, El Khassawna T, Heiss C.

Int Orthop. 2019 Mar;43(3):509-517. doi: 10.1007/s00264-018-4179-1. Epub 2018 Oct 4. Review.


First evidence of octacalcium phosphate@osteocalcin nanocomplex as skeletal bone component directing collagen triple-helix nanofibril mineralization.

Simon P, Grüner D, Worch H, Pompe W, Lichte H, El Khassawna T, Heiss C, Wenisch S, Kniep R.

Sci Rep. 2018 Sep 12;8(1):13696. doi: 10.1038/s41598-018-31983-5.


Application of donepezil increased collagen 1 expression in mesenchymal stroma cells of an ovine osteoporosis model.

Nachlinger RJ, Kauschke V, Trinkaus K, El Khassawna T, Heiss C, Lips KS.

J Musculoskelet Neuronal Interact. 2018 Sep 1;18(3):354-365.


Visfatin alters the cytokine and matrix-degrading enzyme profile during osteogenic and adipogenic MSC differentiation.

Tsiklauri L, Werner J, Kampschulte M, Frommer KW, Berninger L, Irrgang M, Glenske K, Hose D, El Khassawna T, Pons-Kühnemann J, Rehart S, Wenisch S, Müller-Ladner U, Neumann E.

Osteoarthritis Cartilage. 2018 Sep;26(9):1225-1235. doi: 10.1016/j.joca.2018.06.001. Epub 2018 Jun 14.


Nonsurgical Clinical Management of Periapical Lesions Using Calcium Hydroxide-Iodoform-Silicon-Oil Paste.

Al Khasawnah Q, Hassan F, Malhan D, Engelhardt M, Daghma DES, Obidat D, Lips KS, El Khassawna T, Heiss C.

Biomed Res Int. 2018 Feb 12;2018:8198795. doi: 10.1155/2018/8198795. eCollection 2018.


A tissue-based approach to selection of reference genes for quantitative real-time PCR in a sheep osteoporosis model.

Schulze F, Malhan D, El Khassawna T, Heiss C, Seckinger A, Hose D, Rösen-Wolff A.

BMC Genomics. 2017 Dec 19;18(1):975. doi: 10.1186/s12864-017-4356-4.


Strontium and bisphosphonate coated iron foam scaffolds for osteoporotic fracture defect healing.

Ray S, Thormann U, Eichelroth M, Budak M, Biehl C, Rupp M, Sommer U, El Khassawna T, Alagboso FI, Kampschulte M, Rohnke M, Henß A, Peppler K, Linke V, Quadbeck P, Voigt A, Stenger F, Karl D, Schnettler R, Heiss C, Lips KS, Alt V.

Biomaterials. 2018 Mar;157:1-16. doi: 10.1016/j.biomaterials.2017.11.049. Epub 2017 Dec 1.


A New Clinically Relevant T-Score Standard to Interpret Bone Status in a Sheep Model.

Heiss C, Kern S, Malhan D, Böcker W, Engelhardt M, Daghma DES, Stoetzel S, Schmitt J, Ivo M, Kauschke V, Lips KS, Tushtev K, Rezwan K, El Khassawna T.

Med Sci Monit Basic Res. 2017 Oct 2;23:326-335.


A novel, hydroxyapatite-based screw-like device for anterior cruciate ligament (ACL) reconstructions.

Schumacher TC, Tushtev K, Wagner U, Becker C, Große Holthaus M, Hein SB, Haack J, Heiss C, Engelhardt M, El Khassawna T, Rezwan K.

Knee. 2017 Oct;24(5):933-939. doi: 10.1016/j.knee.2017.07.005. Epub 2017 Jul 26.


Osteocyte Regulation of Receptor Activator of NF-κB Ligand/Osteoprotegerin in a Sheep Model of Osteoporosis.

El Khassawna T, Merboth F, Malhan D, Böcker W, Daghma DES, Stoetzel S, Kern S, Hassan F, Rosenbaum D, Langenstein J, Bauer N, Schlagenhauf A, Rösen-Wolff A, Schulze F, Rupp M, Hose D, Secklinger A, Ignatius A, Wilke HJ, Lips KS, Heiss C.

Am J Pathol. 2017 Aug;187(8):1686-1699. doi: 10.1016/j.ajpath.2017.04.005. Epub 2017 Jun 12.


T Lymphocytes Influence the Mineralization Process of Bone.

El Khassawna T, Serra A, Bucher CH, Petersen A, Schlundt C, Könnecke I, Malhan D, Wendler S, Schell H, Volk HD, Schmidt-Bleek K, Duda GN.

Front Immunol. 2017 May 24;8:562. doi: 10.3389/fimmu.2017.00562. eCollection 2017.


Computational segmentation of collagen fibers in bone matrix indicates bone quality in ovariectomized rat spine.

Daghma DES, Malhan D, Simon P, Stötzel S, Kern S, Hassan F, Lips KS, Heiss C, El Khassawna T.

J Bone Miner Metab. 2018 May;36(3):297-306. doi: 10.1007/s00774-017-0844-5. Epub 2017 Jun 6.


Postembedding Decalcification of Mineralized Tissue Sections Preserves the Integrity of Implanted Biomaterials and Minimizes Number of Experimental Animals.

El Khassawna T, Daghma DES, Stoetzel S, Ray S, Kern S, Malhan D, Alt V, Thormann U, Henß A, Rohnke M, Stengel A, Hassan F, Maenz S, Jandt KD, Diefenbeck M, Schumacher M, Gelinsky M, Lips KS, Heiss C.

Biomed Res Int. 2017;2017:2023853. doi: 10.1155/2017/2023853. Epub 2017 Mar 23.


Macrophages in bone fracture healing: Their essential role in endochondral ossification.

Schlundt C, El Khassawna T, Serra A, Dienelt A, Wendler S, Schell H, van Rooijen N, Radbruch A, Lucius R, Hartmann S, Duda GN, Schmidt-Bleek K.

Bone. 2018 Jan;106:78-89. doi: 10.1016/j.bone.2015.10.019. Epub 2015 Oct 31.


Neovascularization of osteoporotic metaphyseal bone defects: A morphometric micro-CT study.

Kampschulte M, Krombach GA, Richards DC, Sender J, Lips KS, Thormann U, El Khassawna T, Ray S, Alt V, Langheinrich AC.

Microvasc Res. 2016 May;105:7-14. doi: 10.1016/j.mvr.2015.10.005. Epub 2015 Oct 30.


Impaired extracellular matrix structure resulting from malnutrition in ovariectomized mature rats.

El Khassawna T, Böcker W, Brodsky K, Weisweiler D, Govindarajan P, Kampschulte M, Thormann U, Henss A, Rohnke M, Bauer N, Müller R, Deutsch A, Ignatius A, Dürselen L, Langheinrich A, Lips KS, Schnettler R, Heiss C.

Histochem Cell Biol. 2015 Nov;144(5):491-507. doi: 10.1007/s00418-015-1356-9. Epub 2015 Jul 26.


Short-term glucocorticoid treatment causes spinal osteoporosis in ovariectomized rats.

Böcker W, El Khassawna T, Bauer N, Brodsky K, Weisweiler D, Govindarajan P, Schlewitz G, Kampschulte M, Dürselen L, Thormann U, Szalay G, Schnettler R, Langheinrich AC, Heiss C.

Eur Spine J. 2014 Nov;23(11):2437-48. doi: 10.1007/s00586-014-3463-z. Epub 2014 Jul 31.


T and B cells participate in bone repair by infiltrating the fracture callus in a two-wave fashion.

Könnecke I, Serra A, El Khassawna T, Schlundt C, Schell H, Hauser A, Ellinghaus A, Volk HD, Radbruch A, Duda GN, Schmidt-Bleek K.

Bone. 2014 Jul;64:155-65. doi: 10.1016/j.bone.2014.03.052. Epub 2014 Apr 8.


Quantification of calcium content in bone by using ToF-SIMS--a first approach.

Henss A, Rohnke M, Knaack S, Kleine-Boymann M, Leichtweiss T, Schmitz P, El Khassawna T, Gelinsky M, Heiss C, Janek J.

Biointerphases. 2013 Dec;8(1):31. doi: 10.1186/1559-4106-8-31. Epub 2013 Nov 14.


Multiscale, converging defects of macro-porosity, microstructure and matrix mineralization impact long bone fragility in NF1.

Kühnisch J, Seto J, Lange C, Schrof S, Stumpp S, Kobus K, Grohmann J, Kossler N, Varga P, Osswald M, Emmerich D, Tinschert S, Thielemann F, Duda G, Seifert W, El Khassawna T, Stevenson DA, Elefteriou F, Kornak U, Raum K, Fratzl P, Mundlos S, Kolanczyk M.

PLoS One. 2014 Jan 21;9(1):e86115. doi: 10.1371/journal.pone.0086115. eCollection 2014.


Bone matrix, cellularity, and structural changes in a rat model with high-turnover osteoporosis induced by combined ovariectomy and a multiple-deficient diet.

Govindarajan P, Böcker W, El Khassawna T, Kampschulte M, Schlewitz G, Huerter B, Sommer U, Dürselen L, Ignatius A, Bauer N, Szalay G, Wenisch S, Lips KS, Schnettler R, Langheinrich A, Heiss C.

Am J Pathol. 2014 Mar;184(3):765-77. doi: 10.1016/j.ajpath.2013.11.011. Epub 2013 Dec 31.


Effects of multi-deficiencies-diet on bone parameters of peripheral bone in ovariectomized mature rat.

El Khassawna T, Böcker W, Govindarajan P, Schliefke N, Hürter B, Kampschulte M, Schlewitz G, Alt V, Lips KS, Faulenbach M, Möllmann H, Zahner D, Dürselen L, Ignatius A, Bauer N, Wenisch S, Langheinrich AC, Schnettler R, Heiss C.

PLoS One. 2013 Aug 16;8(8):e71665. doi: 10.1371/journal.pone.0071665. eCollection 2013.


Applicability of ToF-SIMS for monitoring compositional changes in bone in a long-term animal model.

Henss A, Rohnke M, El Khassawna T, Govindarajan P, Schlewitz G, Heiss C, Janek J.

J R Soc Interface. 2013 Jul 17;10(86):20130332. doi: 10.1098/rsif.2013.0332. Print 2013 Sep 6.


A new metaphyseal bone defect model in osteoporotic rats to study biomaterials for the enhancement of bone healing in osteoporotic fractures.

Alt V, Thormann U, Ray S, Zahner D, Dürselen L, Lips K, El Khassawna T, Heiss C, Riedrich A, Schlewitz G, Ignatius A, Kampschulte M, von Dewitz H, Heinemann S, Schnettler R, Langheinrich A.

Acta Biomater. 2013 Jun;9(6):7035-42. doi: 10.1016/j.actbio.2013.02.002. Epub 2013 Feb 19.


Deterioration of fracture healing in the mouse model of NF1 long bone dysplasia.

El Khassawna T, Toben D, Kolanczyk M, Schmidt-Bleek K, Koennecke I, Schell H, Mundlos S, Duda GN.

Bone. 2012 Oct;51(4):651-60. doi: 10.1016/j.bone.2012.07.011. Epub 2012 Jul 31.


Fracture healing is accelerated in the absence of the adaptive immune system.

Toben D, Schroeder I, El Khassawna T, Mehta M, Hoffmann JE, Frisch JT, Schell H, Lienau J, Serra A, Radbruch A, Duda GN.

J Bone Miner Res. 2011 Jan;26(1):113-24. doi: 10.1002/jbmr.185.

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