Haupt, Franziska Irene

[["dc.bibliographiccitation.firstpage","245"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Australian endodontic journal : the journal of the Australian Society of Endodontology Inc"],["dc.bibliographiccitation.lastpage","250"],["dc.bibliographiccitation.volume","44"],["dc.contributor.author","Haupt, Franziska"],["dc.contributor.author","Pfitzner, Jana"],["dc.contributor.author","Hülsmann, Michael"],["dc.date.accessioned","2019-02-13T15:07:34Z"],["dc.date.available","2019-02-13T15:07:34Z"],["dc.date.issued","2018"],["dc.description.abstract","This study evaluates the effectiveness of different techniques to remove fibre posts from root filled teeth in vitro. One hundred and fifty-three extracted single-rooted teeth were decoronated, root-canal treated and divided into three groups (n = 51). Post spaces were prepared for different types of fibre posts: glass fibre, quartz fibre, carbon fibre. Each group was divided into three subgroups with regard to the post removal technique (n = 17): SonicFlex Endo, long-shaft round bur, DT-Post removal kit. Residual material, loss of dentine, working time and procedural errors were assessed using computed tomography. Statistical analysis was performed with a one-way anova (α = 0.05). The highest effectiveness was achieved with the sonic tip and the round bur. A high prevalence of perforations or severe deviations from the root axis was observed for all groups. No technique presented favourable results in all assessed parameters. There is a high risk of perforations."],["dc.identifier.doi","10.1111/aej.12230"],["dc.identifier.pmid","28940721"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/57559"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.relation.eissn","1747-4477"],["dc.relation.orgunit","Poliklinik für Präventive Zahnmedizin, Parodontologie und Kariologie"],["dc.title","A comparative in vitro study of different techniques for removal of fibre posts from root canals"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1436"],["dc.bibliographiccitation.issue","9"],["dc.bibliographiccitation.journal","Journal of Endodontics"],["dc.bibliographiccitation.lastpage","1441"],["dc.bibliographiccitation.volume","44"],["dc.contributor.author","Haupt, Franziska"],["dc.contributor.author","Seidel, Miriam"],["dc.contributor.author","Rizk, Marta"],["dc.contributor.author","Sydow, Hans-Georg"],["dc.contributor.author","Wiegand, Annette"],["dc.contributor.author","Rödig, Tina"],["dc.date.accessioned","2020-05-22T09:39:42Z"],["dc.date.available","2020-05-22T09:39:42Z"],["dc.date.issued","2018"],["dc.description.abstract","Introduction Manufacturers offer single-file instrumentation systems with matching gutta-percha (GP) cones to simplify root canal preparation and obturation. The purpose of this study was to determine whether file diameters and tapers match with corresponding cone diameters and tapers (precision) as well as industry standards (accuracy). Methods Twenty files and corresponding GP cones from each size of F360 (#25, #35, #45, #55 with .04 taper) and Reciproc (#25, #40, #50 with variable tapers) instruments were examined by using optical microscopy (×32) to determine their diameter and taper. Precision was evaluated by using one-way analysis of variance (α = 0.05) with Scheffé post hoc tests and t tests with Bonferroni correction. Accuracy was calculated by subtracting the nominal values from the measured values of all files and GP cones, and mean diameter and taper differences were compared by using one-way analysis of variance (α = 0.05) and Scheffé post hoc test for pairwise comparison. Results For F360, the majority of file and cone diameters were within the tolerance levels, but most of the file diameters were significantly larger than GP cone diameters ( P < .05), but the majority of all measured values were within the tolerance levels. For Reciproc, file and cone diameters at D1 and D3 mostly approached the nominal values. At the coronal end, file diameters #25 and #50 were significantly smaller than cone diameters ( P < .05). For both instrumentation systems, almost all file and cone tapers matched with the preset tolerance ranges. For Reciproc, significant differences between file and GP cone demonstrated either smaller cone or smaller file diameters and tapers, depending on the size. Most of the measured values were within the acceptable range, but diameters at the coronal end exhibited the highest percent difference from the nominal values. Conclusions Despite the call for standardization, variability in diameter and taper dimensions between single-file instrumentation systems and their corresponding GP cones can be expected."],["dc.identifier.doi","10.1016/j.joen.2018.06.005"],["dc.identifier.pmid","30078573"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/65710"],["dc.language.iso","en"],["dc.relation.eissn","1878-3554"],["dc.relation.issn","0099-2399"],["dc.relation.orgunit","Poliklinik für Präventive Zahnmedizin, Parodontologie und Kariologie"],["dc.title","Diameter and Taper Variability of Single-file Instrumentation Systems and Their Corresponding Gutta-percha Cones"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","357"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","International Endodontic Journal"],["dc.bibliographiccitation.lastpage","363"],["dc.bibliographiccitation.volume","51"],["dc.contributor.author","Rödig, T."],["dc.contributor.author","Müller, C."],["dc.contributor.author","Hoch, M."],["dc.contributor.author","Haupt, F."],["dc.contributor.author","Schulz, X."],["dc.contributor.author","Wiegand, A."],["dc.contributor.author","Rizk, M."],["dc.date.accessioned","2020-12-10T18:28:51Z"],["dc.date.available","2020-12-10T18:28:51Z"],["dc.date.issued","2017"],["dc.identifier.doi","10.1111/iej.12850"],["dc.identifier.issn","0143-2885"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/76429"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-354"],["dc.relation.issn","0143-2885"],["dc.relation.orgunit","Poliklinik für Präventive Zahnmedizin, Parodontologie und Kariologie"],["dc.title","Moisture content of root canal dentine affects detection of microcracks using micro-computed tomography"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","3107"],["dc.bibliographiccitation.issue","9"],["dc.bibliographiccitation.journal","Clinical Oral Investigations"],["dc.bibliographiccitation.lastpage","3112"],["dc.bibliographiccitation.volume","22"],["dc.contributor.author","Haupt, Franziska"],["dc.contributor.author","Hülsmann, Michael"],["dc.date.accessioned","2020-11-05T14:51:46Z"],["dc.date.available","2020-11-05T14:51:46Z"],["dc.date.issued","2018"],["dc.identifier.doi","10.1007/s00784-018-2404-3"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/68346"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-352.3"],["dc.relation.eissn","1436-3771"],["dc.relation.issn","1432-6981"],["dc.title","Consistency of electronic measurements of endodontic working length when using multiple devices from the same manufacturer—an in vitro study"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","394"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Australian Endodontic Journal"],["dc.bibliographiccitation.lastpage","399"],["dc.bibliographiccitation.volume","45"],["dc.contributor.author","Rödig, Tina"],["dc.contributor.author","Krämer, Juliane"],["dc.contributor.author","Müller, Christine"],["dc.contributor.author","Wiegand, Annette"],["dc.contributor.author","Haupt, Franziska"],["dc.contributor.author","Rizk, Marta"],["dc.date.accessioned","2020-11-05T15:13:42Z"],["dc.date.available","2020-11-05T15:13:42Z"],["dc.date.issued","2019"],["dc.identifier.doi","10.1111/aej.v45.3"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/68535"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-352.9"],["dc.relation.eissn","1747-4477"],["dc.relation.issn","1329-1947"],["dc.relation.orgunit","Poliklinik für Präventive Zahnmedizin, Parodontologie und Kariologie"],["dc.title","Incidence of microcracks after preparation of straight and curved root canals with three different NiTi instrumentation techniques assessed by micro‐ CT"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1130"],["dc.bibliographiccitation.issue","8"],["dc.bibliographiccitation.journal","Journal of Endodontics"],["dc.bibliographiccitation.lastpage","1135"],["dc.bibliographiccitation.volume","46"],["dc.contributor.author","Haupt, Franziska"],["dc.contributor.author","Pult, Jonas Robert Wilhelm"],["dc.contributor.author","Hülsmann, Michael"],["dc.date.accessioned","2020-11-05T14:51:26Z"],["dc.date.available","2020-11-05T14:51:26Z"],["dc.date.issued","2020"],["dc.identifier.doi","10.1016/j.joen.2020.05.005"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/68213"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-352.3"],["dc.relation.issn","0099-2399"],["dc.relation.orgunit","Poliklinik für Präventive Zahnmedizin, Parodontologie und Kariologie"],["dc.title","Micro–computed Tomographic Evaluation of the Shaping Ability of 3 Reciprocating Single-File Nickel-Titanium Systems on Single- and Double-Curved Root Canals"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","40"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Australian Endodontic Journal"],["dc.bibliographiccitation.lastpage","46"],["dc.bibliographiccitation.volume","46"],["dc.contributor.author","Haupt, Franziska"],["dc.contributor.author","Meinel, Michael"],["dc.contributor.author","Gunawardana, Asanka"],["dc.contributor.author","Hülsmann, Michael"],["dc.date.accessioned","2021-04-14T08:26:37Z"],["dc.date.available","2021-04-14T08:26:37Z"],["dc.date.issued","2019"],["dc.identifier.doi","10.1111/aej.12342"],["dc.identifier.eissn","1747-4477"],["dc.identifier.issn","1329-1947"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/82020"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-399"],["dc.relation.eissn","1747-4477"],["dc.relation.issn","1329-1947"],["dc.relation.orgunit","Poliklinik für Präventive Zahnmedizin, Parodontologie und Kariologie"],["dc.title","Effectiveness of different activated irrigation techniques on debris and smear layer removal from curved root canals: a SEM evaluation"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","105310"],["dc.bibliographiccitation.journal","Journal of the Mechanical Behavior of Biomedical Materials"],["dc.bibliographiccitation.volume","133"],["dc.contributor.author","Rödig, Tina"],["dc.contributor.author","Dullin, Christian"],["dc.contributor.author","Kück, Fabian"],["dc.contributor.author","Krebs, Marcel"],["dc.contributor.author","Hettwer-Steeger, Ingrid"],["dc.contributor.author","Haupt, Franziska"],["dc.date.accessioned","2022-12-01T08:30:40Z"],["dc.date.available","2022-12-01T08:30:40Z"],["dc.date.issued","2022"],["dc.identifier.doi","10.1016/j.jmbbm.2022.105310"],["dc.identifier.pii","S1751616122002235"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/117946"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-621"],["dc.relation.issn","1751-6161"],["dc.rights.uri","https://www.elsevier.com/tdm/userlicense/1.0/"],["dc.title","Influence of moisture content of frozen and embalmed human cadavers for identification of dentinal microcracks using micro-computed tomography"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","Clinical Oral Investigations"],["dc.contributor.author","Haupt, Franziska"],["dc.contributor.author","Riggers, Insa"],["dc.contributor.author","Konietschke, Frank"],["dc.contributor.author","Rödig, Tina"],["dc.date.accessioned","2022-01-11T14:05:48Z"],["dc.date.available","2022-01-11T14:05:48Z"],["dc.date.issued","2021"],["dc.description.abstract","Abstract Objectives The aim of this study was to evaluate the effectiveness of different fiber post removal techniques and to correlate dentinal loss with microcrack formation. Materials and methods Forty-five extracted single-rooted teeth were root canal treated and fiber posts were adhesively luted. Specimens were divided into three groups ( n  = 15) according to the removal technique: long-shaft round bur (EndoTracer #08, Komet, Lemgo, Germany), SonicFlex Endo (KaVo, Biberach, Germany), DT Post Removal Kit (VDW, Munich, Germany). Roots were scanned before post cementation and after post removal using micro-computed tomography. Dentin loss, residual luting material, working time, and the induction of microcracks were assessed. Statistical analysis was performed by using multiple contrast tests (max- t tests, α  = 0.05). Correlations between parameters dentin loss/new microcracks and dentin loss/residual material were calculated using Kendall’s tau. Results Post removal with SonicFlex Endo resulted in the highest amount of removed dentin with significant differences to the round bur and the DT Post Removal Kit. No technique was found to completely remove the post and luting material. All techniques induced microcracks with the DT Post Removal Kit presenting the highest number of new defects. No correlation between dentin loss and new microcracks was observed. Deviations from the original root canal occurred in all groups, but no perforation was observed. Conclusions All techniques resulted in dentin loss, residual luting material, and the formation of microcracks. However, no correlation between dentin loss and the induction of microcracks was observed. Clinical relevance As all techniques resulted in microcrack formation and dentin loss, this study emphasizes the risk of iatrogenic damage due to post removal procedures."],["dc.description.abstract","Abstract Objectives The aim of this study was to evaluate the effectiveness of different fiber post removal techniques and to correlate dentinal loss with microcrack formation. Materials and methods Forty-five extracted single-rooted teeth were root canal treated and fiber posts were adhesively luted. Specimens were divided into three groups ( n  = 15) according to the removal technique: long-shaft round bur (EndoTracer #08, Komet, Lemgo, Germany), SonicFlex Endo (KaVo, Biberach, Germany), DT Post Removal Kit (VDW, Munich, Germany). Roots were scanned before post cementation and after post removal using micro-computed tomography. Dentin loss, residual luting material, working time, and the induction of microcracks were assessed. Statistical analysis was performed by using multiple contrast tests (max- t tests, α  = 0.05). Correlations between parameters dentin loss/new microcracks and dentin loss/residual material were calculated using Kendall’s tau. Results Post removal with SonicFlex Endo resulted in the highest amount of removed dentin with significant differences to the round bur and the DT Post Removal Kit. No technique was found to completely remove the post and luting material. All techniques induced microcracks with the DT Post Removal Kit presenting the highest number of new defects. No correlation between dentin loss and new microcracks was observed. Deviations from the original root canal occurred in all groups, but no perforation was observed. Conclusions All techniques resulted in dentin loss, residual luting material, and the formation of microcracks. However, no correlation between dentin loss and the induction of microcracks was observed. Clinical relevance As all techniques resulted in microcrack formation and dentin loss, this study emphasizes the risk of iatrogenic damage due to post removal procedures."],["dc.identifier.doi","10.1007/s00784-021-04338-0"],["dc.identifier.pii","4338"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/97750"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-507"],["dc.relation.eissn","1436-3771"],["dc.relation.issn","1432-6981"],["dc.title","Effectiveness of different fiber post removal techniques and their influence on dentinal microcrack formation"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.journal","Dental Traumatology"],["dc.contributor.author","Haupt, Franziska"],["dc.contributor.author","Meyerdiercks, Christopher"],["dc.contributor.author","Kanzow, Philipp"],["dc.contributor.author","Wiegand, Annette"],["dc.date.accessioned","2022-10-04T10:22:10Z"],["dc.date.available","2022-10-04T10:22:10Z"],["dc.date.issued","2022"],["dc.description.abstract","Background/aim: In case of crown fractures after traumatic dental injuries, the affected teeth can be restored either with reattachment of the fractured fragment or with a direct composite restoration. So far, longevity data for reattachments and direct composite restorations with regard to different failure types (pulp necrosis and infection, restoration loss) are scarce. Therefore, the aim of this retrospective study was to evaluate the restorative and biological survival of reattached fragments and composite restorations after crown fractures in permanent teeth.\r\nMaterial and methods: Dental records of patients treated between 2000 and 2018 were retrospectively analysed regarding the restoration (reattachment or direct composite restorations) of teeth with crown fractures. Survival (no further intervention) and restorative and/or biological failure of all restored teeth were recorded. Statistical analysis was performed using Kaplan-Meier statistics, and the mean annual failure rates for two and 5 years were calculated. Furthermore, the effect of potential risk factors on survival was assessed. Log-rank tests and univariate Cox regression models (likelihood ratio tests) were used to assess the univariate effect of all variables of interest. Variables with a p-value ≤.10 were included in a multivariate Cox regression model with shared frailty (p < .05).\r\nResults: Overall, 164 patients with 235 teeth (uncomplicated crown fracture: N = 201, complicated crown fracture: N = 34) were included (1.6 ± 2.5 years observation time). Of these, 59 teeth were restored with reattachment of the fragment and 176 with a composite restoration. Overall, composite restorations had a significantly higher survival rate than reattachments (p = .002). The cumulative survival after 2 years was 42.9% and 65.0% for teeth treated with a reattachment (mAFR = 34.5%) and a composite restoration (mAFR = 19.3%), respectively. When differentiating between failure types, restoration failure and pulp necrosis were significantly more frequently detected in reattached crown fractures compared to composite restorations (restorative failure: p = .001; biological failure: p = .036). In the multivariate Cox regression model, the variable jaw and luxation significantly influenced the survival when the tooth was restored with a composite restoration. The survival was not influenced by the fracture type.\r\nConclusions: Restorative and biological failures were more frequently detected when the tooth was restored with a reattached fragment compared to a direct composite restoration. Both, restoration failure and pulp necrosis with infection should be considered as frequent complications after restoration of crown-fractured teeth which emphasizes the necessity of regular and short follow-up intervals throughout the first 2 years."],["dc.identifier.doi","10.1111/edt.12789"],["dc.identifier.pmid","36116107"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/114601"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-600"],["dc.relation.eissn","1600-9657"],["dc.relation.issn","1600-4469"],["dc.relation.orgunit","Poliklinik für Präventive Zahnmedizin, Parodontologie und Kariologie"],["dc.rights.uri","http://creativecommons.org/licenses/by/4.0/"],["dc.subject.gro","adhesive reattachment"],["dc.subject.gro","composite restoration"],["dc.subject.gro","crown fracture"],["dc.subject.gro","dental traumatic injury"],["dc.subject.gro","survival"],["dc.title","Survival analysis of fragment reattachments and direct composite restorations in permanent teeth after dental traumatic injuries"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.status","in_press"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]