Engelke, Wilfried G. H.

[["dc.bibliographiccitation.firstpage","160"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Clinical Implant Dentistry and Related Research"],["dc.bibliographiccitation.lastpage","165"],["dc.bibliographiccitation.volume","15"],["dc.contributor.author","Engelke, Wilfried G. H."],["dc.contributor.author","Mueller, Alois"],["dc.contributor.author","Decco, Oscar A."],["dc.contributor.author","Rau, Maria J."],["dc.contributor.author","Cura, Andrea C."],["dc.contributor.author","Ruscio, Mara L."],["dc.contributor.author","Knoesel, Michael"],["dc.date.accessioned","2018-11-07T09:26:31Z"],["dc.date.available","2018-11-07T09:26:31Z"],["dc.date.issued","2013"],["dc.description.abstract","Aim: The study aims to provide objective data for the displacement of titanium screw implants in trabecular bone specimens. One hundred Semados implants (Bego, Bremen, Germany) were inserted in bovine type IV bone specimens. All implants had a diameter of 3.75mm; 50 implants had a length of 8.5mm and 50 implants had a length of 15mm. Insertion torque was determined at intervals of 10, 20, and 30Ncm. Implants were loaded horizontally with 10, 20, and 30N for 2 seconds. An indicator strip was attached to the implant abutment to allow direct observation of implant movement relative to the bone surface. Horizontal displacement was assessed with an accuracy of measurement of 10 mu m. Seven implants got lost by visible loosening. Degree of displacement was subject to evaluation with all others. Those implants showed a mean displacement of 59 mu m for 10N (n=100), 173 mu m for 20N (n=99), and 211 mu m for 30N (n=93). The mean displacement of 15-mm implants (16, 37, 51 mu m) was significantly lower compared with 8.5-mm implants (103, 311, 396 mu m) corresponding to 10, 20, and 30N as lateral loads. Conclusions: Displacement of screw implants in trabecular bone can be detected and visualized using commercially available endoscopes with a high magnification. A lateral load of 20N indicates a mean displacement of over 100 mu m and therefore results in a critical displacement."],["dc.identifier.doi","10.1111/j.1708-8208.2011.00338.x"],["dc.identifier.isi","000317289700002"],["dc.identifier.pmid","21682842"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/30320"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell"],["dc.relation.issn","1523-0899"],["dc.title","Displacement of Dental Implants in Trabecular Bone under a Static Lateral Load in Fresh Bovine Bone"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","50"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Implant Dentistry"],["dc.bibliographiccitation.lastpage","57"],["dc.bibliographiccitation.volume","14"],["dc.contributor.author","Engelke, Wilfried G. H."],["dc.contributor.author","Decco, Oscar A."],["dc.contributor.author","de las Mercedes Capobianco, Maria"],["dc.contributor.author","Schwarzwaeller, Wolfgang"],["dc.contributor.author","Villavicencio, Milagros Mendoza"],["dc.date.accessioned","2018-11-07T11:19:52Z"],["dc.date.available","2018-11-07T11:19:52Z"],["dc.date.issued","2005"],["dc.description.abstract","Freestanding implants with mandibular overdentures are used frequently after 3 months' healing time. Immediate full loading may be applied to this approach if sufficient primary stability is provided. The present study evaluates the success rate of two single-standing interforaminal implants stabilized with cortical satellite implants and loaded immediately with overdentures. Twenty patients (five male and 15 female; age, 45-87 years) received two single-standing titanium screw implants (Semados, Bego, Bremen, Germany). All implants were stabilized during healing time with cortical satellite implants (2.0-mm bone screws; Medartis, Basel, Switzerland) via individual connectors attached to the implant abutment subgingivally. Mandibular overdentures were incorporated immediately after surgery using ball attachments as retentive elements. The patients were under no restrictions concerning diet and loading. The satellite implants were removed after 3 months. All implants were osseointegrated after 10 months' mean observation time. The mean Periotest value was -4.9, and the mean marginal bone loss was 0.7 mm. No dropouts were observed, and 19 of 20 patients would recommend the treatment to a close friend. Preliminary follow-up data indicate that cortical stabilization of two anterior mandibular implants with satellite implants leads to osseointegration of the implants under immediate load conditions with an overdenture. This concept contributes to reduction of prosthetic treatment costs and permits immediate enhancement of masticatory function. (Implant Dent 2005;14:50-57)"],["dc.description.sponsorship","BEGO Co., Bremen, Germany"],["dc.identifier.doi","10.1097/01.id.0000154796.97355.2d"],["dc.identifier.isi","000208390500011"],["dc.identifier.pmid","15764945"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/55392"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Lippincott Williams & Wilkins"],["dc.relation.issn","1056-6163"],["dc.title","Immediate Occlusal Loading of Freestanding Implants Using Cortical Satellite Implants: Preliminary Report of a Prospective Study"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","341"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","Implant Dentistry"],["dc.bibliographiccitation.lastpage","344"],["dc.bibliographiccitation.volume","20"],["dc.contributor.author","Engelke, Wilfried G. H."],["dc.contributor.author","Decco, Oscar A."],["dc.contributor.author","Cura, Andrea C."],["dc.contributor.author","Ruscio, Mara L."],["dc.date.accessioned","2018-11-07T08:51:16Z"],["dc.date.available","2018-11-07T08:51:16Z"],["dc.date.issued","2011"],["dc.description.abstract","Background: It has previously been demonstrated that immediate full occlusal loading of freestanding anterior implants can be performed using cortical satellite implants, obtaining a success rate similar to conventional protocols. The aim of this report was to present the outcomes after 36 months after initial placement. Methods: Twenty patients received 2 single-standing titanium screw implants, which were stabilized during healing time with cortical satellite implants. Immediately after surgery, mandibular overdentures were placed using ball attachments. The satellite implants were removed after 3 months. Results: Implant survival analysis showed a 100% success rate. The following parameters were assessed during the study: Periotest values, -5.89 (minimum: -7.00, maximum: -4.00); radiographic assessment of bone resorption, 0.51 mm (minimum: 0.00 mm, maximum: 1.50 mm); and pocket probing depth, 2.60 mm (minimum: 1.00 mm, maximum: 8.00 mm). Conclusions: The results suggest that immediate loading of freestanding implants stabilized with satellite implants is a successful concept at 3 years observation time. (Implant Dent 2011;20:341-344)"],["dc.identifier.doi","10.1097/ID.0b013e31822f7b97"],["dc.identifier.isi","000295084200005"],["dc.identifier.pmid","21857232"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/21892"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Lippincott Williams & Wilkins"],["dc.relation.issn","1056-6163"],["dc.title","Immediate Loading of Freestanding Implants Using Cortical Satellite Implants: 3-Year Results of an Ongoing Prospective Study"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1160"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE"],["dc.bibliographiccitation.lastpage","1165"],["dc.bibliographiccitation.volume","7"],["dc.contributor.author","Engelke, Wilfried G. H."],["dc.contributor.author","Decco, Oscar A."],["dc.contributor.author","Cura, Andrea C."],["dc.contributor.author","Borie, Eduardo"],["dc.contributor.author","Beltran, Victor"],["dc.date.accessioned","2018-11-07T09:46:09Z"],["dc.date.available","2018-11-07T09:46:09Z"],["dc.date.issued","2014"],["dc.description.abstract","Titanium barriers have been used for guided bone regeneration in preclinical and preliminary clinical reports as a possible alternative to bone grafting. In two cases with lateral bone defects, rigid titanium barriers were used to provide a secluded space in conjunction with bone substitutes. Sufficient lateral bone volume was generated for implant placement, and no complications were observed during 2 years of follow up. In conclusion, space-making stiff titanium barriers may be applied successfully for lateral alveolar crest augmentation."],["dc.identifier.isi","000336740600053"],["dc.identifier.pmid","24955200"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/34799"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","E-century Publishing Corp"],["dc.relation.issn","1940-5901"],["dc.title","Rigid occlusive titanium barriers for alveolar bone augmentation: two reports with 24-month follow-up"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","635"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Implant Dentistry"],["dc.bibliographiccitation.lastpage","640"],["dc.bibliographiccitation.volume","23"],["dc.contributor.author","Engelke, Wilfried G. H."],["dc.contributor.author","Decco, Oscar A."],["dc.contributor.author","Cura, Andrea C."],["dc.contributor.author","Maldonado, Isai"],["dc.contributor.author","Crippa, Federico G."],["dc.date.accessioned","2018-11-07T09:32:12Z"],["dc.date.available","2018-11-07T09:32:12Z"],["dc.date.issued","2014"],["dc.description.abstract","Purpose: Primary stability and micromovement of dental implants depend on structural properties of the surrounding bone and on implant dimension and design. The purpose of this study was to provide objective data for the influence of implant diameter on the displacement of titanium screw implants. Materials and Methods: Ninety Semados implants (length 15 mm, diameter 3.25, 3.75, and 4.5 mm; Bego, Bremen, Germany) were inserted in trabecular bone specimens. All implants were inserted with a torque up to 30 N.cm and loaded horizontally with 10, 20, and 30 N for 2 seconds. Results: All implants showed primary stability. With increasing force, a gradual increase of micromovement was observed (KruskalWallis test, P = 0.000). No significant differences were found (Kruskal-Wallis test, P = 0.148) comparing different diameters for every force. Conclusions: Variation of the diameter of standard implants between 3.25 and 4.5 mm does not seem to influence the primary stability in trabecular bone specimen. Differences between experimental and computational results may be due to the simplification used when modeling."],["dc.identifier.doi","10.1097/ID.0000000000000169"],["dc.identifier.isi","000345430800002"],["dc.identifier.pmid","25290284"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/31697"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Lippincott Williams & Wilkins"],["dc.relation.issn","1056-6163"],["dc.title","Influence of Implant Diameter in the Displacement of Dental Implants in Trabecular Bovine Bone Under a Static Lateral Load: Experimental Results and Computational Modeling"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","4843"],["dc.bibliographiccitation.issue","8"],["dc.bibliographiccitation.journal","Materials"],["dc.bibliographiccitation.lastpage","4856"],["dc.bibliographiccitation.volume","8"],["dc.contributor.author","Decco, Oscar A."],["dc.contributor.author","Beltran, Victor"],["dc.contributor.author","Zuchuat, Jesica I."],["dc.contributor.author","Cura, Andrea C."],["dc.contributor.author","Lezcano, Maria F."],["dc.contributor.author","Engelke, Wilfried G. H."],["dc.date.accessioned","2018-11-07T09:53:39Z"],["dc.date.available","2018-11-07T09:53:39Z"],["dc.date.issued","2015"],["dc.description.abstract","Background: Bone augmentation is a subject of intensive investigation in regenerative bone medicine and constitutes a clinical situation in which autogenous bone grafts or synthetic materials are used to aid new bone formation. Method: Based on a non-critical defect, Co-Cr barrier membranes were placed on six adult Fauve de Bourgogne rabbits, divided into two groups: whole blood and PRP. Three densitometric controls were performed during the experiment. The animals were euthanized at 30, 45, 60, and 110 days. The presence of newly formed bone was observed. Samples for histological studies were taken from the augmentation center. Results: External and internal bone tissue augmentation was observed in almost all cases. Significant differences between PRP- and whole blood-stimulated bone augmentation were not observed. At 60 days, bones with PRP presented higher angiogenesis, which may indicate more proliferation and cellular activity. Conclusion: PRP activates the bone regeneration process under optimized conditions by stimulation of osteoblast proliferation after six weeks, when a significant difference in cellular activity was observed. Membranes could stimulate bone augmentation at the site of placement and in the surrounding areas."],["dc.identifier.doi","10.3390/ma8084843"],["dc.identifier.isi","000360643900016"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/13654"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/36370"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Mdpi Ag"],["dc.relation.issn","1996-1944"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.title","Bone Augmentation in Rabbit Tibia Using Microfixed Cobalt-Chromium Membranes with Whole Blood and Platelet-Rich Plasma"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","88"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Implant Dentistry"],["dc.bibliographiccitation.lastpage","94"],["dc.bibliographiccitation.volume","13"],["dc.contributor.author","Engelke, Wilfried"],["dc.contributor.author","Decco, Oscar A."],["dc.contributor.author","Rau, Mar??a Jos??"],["dc.contributor.author","Massoni, Mar??a Clara Acosta"],["dc.contributor.author","Schwarzw??ller, Wolfgang"],["dc.date.accessioned","2021-06-01T10:46:52Z"],["dc.date.available","2021-06-01T10:46:52Z"],["dc.date.issued","2004"],["dc.identifier.doi","10.1097/01.ID.0000116457.03989.01"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/85410"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-425"],["dc.relation.issn","1056-6163"],["dc.title","In Vitro Evaluation of Horizontal Implant Micromovement in Bone Specimen With Contact Endoscopy"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","490"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","European Journal of Orthodontics"],["dc.bibliographiccitation.lastpage","495"],["dc.bibliographiccitation.volume","32"],["dc.contributor.author","Engelke, Wilfried G. H."],["dc.contributor.author","Engelhardt, Wolfgang"],["dc.contributor.author","Mendoza-Gaertner, Milagros"],["dc.contributor.author","Decco, Oscar A."],["dc.contributor.author","Barrirero, Jenifer"],["dc.contributor.author","Knoesel, Michael"],["dc.date.accessioned","2018-11-07T08:38:25Z"],["dc.date.available","2018-11-07T08:38:25Z"],["dc.date.issued","2010"],["dc.description.abstract","Orofacial biofunction comprises muscular and physical effects, which may contribute to stabilization of the oropharyngeal airway. The tongue-repositioning manoeuvre (TRM) provides physical stabilization of the tongue and the soft palate together with, as a prerequisite, a nasal breathing mode. The aim of the present study was to evaluate the influence of a TRM treatment concept on primary snoring. The TRM was used to achieve a closed biofunctional rest position of the orofacial system and to reeducate the nasal breathing pattern. Pressure indicating oral shields were used for home exercises as a biofeedback instrument and to support nocturnal mouth closure. Treatment was undertaken on 125 consecutive primary snorers [101 males, mean age 52.4 years, range 34-75, mean body mass index (BMI) 28.1, range 18.9-38.5, and 24 females, mean age 55.2 years, range 36-70, mean BMI 26.8, range 22.7-31.9]. Bed partner ranking was performed, and snoring was judged using a 10-cm visual analogue scale (VAS). The VAS score was 8.4 (range 6-10) before treatment and decreased to 4.1 (range 0-10) after treatment [mean observation time 4.6 months (1-10)]. Analysis of variance showed a significant influence of treatment in subjects with a normal body weight (BMI 18.5-25). The data provide evidence that dynamic stabilization of the orofacial system with the TRM in conjunction with nocturnal wear of an oral shield is beneficial for reducing the symptoms in primary snorers with a normal BMI."],["dc.identifier.doi","10.1093/ejo/cjp135"],["dc.identifier.isi","000282426900002"],["dc.identifier.pmid","20110305"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/18763"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Oxford Univ Press"],["dc.relation.issn","0141-5387"],["dc.title","Functional treatment of snoring based on the tongue-repositioning manoeuvre"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","135"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE"],["dc.bibliographiccitation.lastpage","144"],["dc.bibliographiccitation.volume","8"],["dc.contributor.author","Decco, Oscar A."],["dc.contributor.author","Cura, Andrea C."],["dc.contributor.author","Beltran, Victor"],["dc.contributor.author","Lezcano, Maria F."],["dc.contributor.author","Engelke, Wilfried G. H."],["dc.date.accessioned","2018-11-07T10:03:38Z"],["dc.date.available","2018-11-07T10:03:38Z"],["dc.date.issued","2015"],["dc.description.abstract","To assess bone augmentation based on a non-critical defect, 1.5 mm deep cobalt-chromium (Co-Cr) barrier membranes were placed on seven adult California rabbits with three different grafting situations: whole blood, whole blood with tricalcium phosphate (TCP), and TCP mixed with bone marrow cells. Macroscopic assessment of the animals was performed once a week and densitometric studies were performed once a month. Three months post-surgery, after detaching the membranes, tibias were sectioned and followed the routine laboratory processing for decalcified sections, with inclusion in paraffin and staining by hematoxylin and eosin technique. Bone augmentation was observed for each animal, even sometimes over the Co-Cr membranes. Compact bone was mostly observed for every situation, with a higher cellular activity on those samples with bone grafts. This could be due to the presence of graft remains at the growth area. It could be concluded that blood supply to the site providing growth factors by the blood clot formation, and the placement of an osteoconductive non-resolvable membrane that favors osseoinduction, may be sufficient elements to achieve bone augmentation in a period of three months in rabbit tibia."],["dc.identifier.isi","000349897200015"],["dc.identifier.pmid","25784982"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/38519"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","E-century Publishing Corp"],["dc.relation.issn","1940-5901"],["dc.title","Bone augmentation in rabbit tibia using microfixed cobalt-chromium membranes with whole blood, tricalcium phosphate and bone marrow cells"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","364"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","International Journal of Morphology"],["dc.bibliographiccitation.lastpage","368"],["dc.bibliographiccitation.volume","32"],["dc.contributor.author","Beltran, Victor"],["dc.contributor.author","Engelke, Wilfried G. H."],["dc.contributor.author","Fuentes, Ramon"],["dc.contributor.author","Decco, Oscar A."],["dc.contributor.author","Prieto, Ruth"],["dc.contributor.author","Wilckens, Mario"],["dc.contributor.author","Borie, Eduardo"],["dc.date.accessioned","2018-11-07T09:42:46Z"],["dc.date.available","2018-11-07T09:42:46Z"],["dc.date.issued","2014"],["dc.description.abstract","The centripetal resorption of maxilla is a continuous process after tooth loss. For treatment of deficient bone sites, autologous bone grafts may be used, as an alternative, biomaterials can be applied which do not require intra or extraoral donor sites. The present report describes the use of occlusive barriers and cortical particulate allograft in transverse maxillary defects. This surgical approach was performed in five patients (4 females and 1 male, aged 20 to 37 years). Clinical results show that sufficient hard tissue was formed to allow implant born rehabilitation in the former insufficient bone sites. Histological evaluation revealed small amounts of newly formed bone with a predominance of collagen fibrous tissue and mature bone with very little cellular elements. Depending on the original site situation, the minimally invasive approach with occlusive barrier and cortical particulate allograft may be applied. We observed a mean of 2.3, 2.7 and 2.9 mm in bone gain for ridge, middle and apical area, respectively."],["dc.identifier.isi","000336654600057"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/34032"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Soc Chilena Anatomia"],["dc.relation.issn","0717-9367"],["dc.relation.issn","0717-9502"],["dc.title","Bone Augmentation With Occlusive Barriers and Cortical Particulate Allograft in Transverse Maxillary Defects: A Pilot Study"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]