
Steffi BaxterUniversitätsmedizin Göttingen
Steffi Baxter
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26
Publications
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Introduction
Skills and Expertise
Publications
Publications (26)
Introduction:
The aim of this ex vivo study was to compare two techniques for removal of Thermafil obturators from curved root canals in mandibular molars.
Methods:
Sixty mesial root canals in extracted mandibular molars were distributed into matched pairs according to degree and radius of curvature and were prepared to size 35/.04 and obturated...
Chemomechanical preparation of the root canal system is considered to be the most important part of root canal treatment, including both mechanical removal of tissue remnants and dentine chips, and chemical elimination of biofilm and microorganisms. A number of different solutions and agitation techniques have been proposed for that purpose. It was...
Objectives
To compare the cleanliness and erosion of root canal walls after the use of a new HEDP (1-hydroxyethane-1,1-diphosphonic acid) -based irrigant with that achieved by irrigation with sodium hypochlorite followed by EDTA.Materials and methodsForty recently extracted single-rooted teeth were prepared with ProTaper Next files to size X3, usin...
This study aimed to compare the sensitivity of radiographs and flat-panel volume-computed tomography (fpVCT) in detecting the remaining root-canal filling material. Thirty-two root canals in extracted human mandibular molars were prepared and obturated with gutta-percha and sealer. The filling material was removed, and the teeth were split longitud...
This study aimed to evaluate the prevalence of internal symmetry (the number and morphology of root canals) in the mandibular incisors using cone beam computed tomography (CBCT). A total of 302 CBCT scans involving 1,208 mandibular incisors were evaluated using the Vertucci’s classification regarding the number and configuration of root canals. The...
The study aimed to compare the repair bond strength of aged composite and amalgam repaired with resin composite after various mechanical and adhesive surface treatments. Specimens were aged by thermal cycling (10,000 cycles, 5-55°C) and randomly subjected to one of three surface treatments: diamond bur abrasion, aluminum oxide air abrasion, or sili...
Objectives: To examine various parameters of root canal preparation using three rotary nickel-titanium systems (S5, Mtwo, and ProTaper Universal [PTU]). Method and Materials: One hundred and twenty curved root canals were prepared to size 30. The following parameters were evaluated: straightening, changes of root canal cross-section, safety issues,...
Aim: The aim of this survey was to assess knowledge regarding autologous tooth transplantation after traumatic tooth loss amongst endodontists in Germany, Austria and Switzerland.
Materials and Methods: A questionnaire on tooth transplantation was electronically sent to members of the German Society of Endodontology and Traumatology (DGET), the Swi...
Ziel der Studie: Amalgam kommt bei der Anfertigung neuer Restaurationen immer seltener zur Anwendung, jedoch verfügen viele PatientInnen über bereits bestehende Amalgamrestaurationen. Dementsprechend bedarf es Reparaturtechniken, die geeignet sind, partiell insuffiziente Amalgamrestaurationen zu reparieren. Ziel dieser Studie war es daher, die Repa...
Aim:
To evaluate the efficacy of sonically and ultrasonically activated irrigation on removal of accumulated hard-tissue debris (AHTD) in mesial root canal systems of mandibular molars using micro-computed tomographic (micro-CT) analysis.
Methodology:
Forty mesial roots of mandibular molars with two independent canals joint apically by an isthmu...
Introduction:
Root discoloration is reported after using Ledermix paste for prevention of external inflammatory root resorption in traumatically injured teeth. Therefore, it seems necessary to remove Ledermix completely from the root canal prior to root canal filling. The aim of this study was to evaluate the efficacy of sodium hypochlorite or alc...
Objectives:
To examine various parameters of root canal preparation using three rotary nickel-titanium systems (S5, Mtwo, and ProTaper Universal [PTU]).
Method and materials:
One hundred and twenty curved root canals were prepared to size 30. The following parameters were evaluated: straightening, changes of root canal cross-section, safety issu...
ZIEL DER UNTERSUCHUNG: Das Ziel dieser Studie war es, die Reparierbarkeit von Komposit und Amalgam in Abhängigkeit von verschiedenen mechanischen und chemischen Oberflächenvorbehandlungen zu untersuchen und zu vergleichen.
MATERIAL UND METHODE: Komposit- und Amalgamprüfkörper wurden im Thermolastwechselverfahren (10.000 Zyklen, 5–55°C) künstlich ge...
Aim:
To compare the efficacy of hand and rotary nickel-titanium (NiTi) instruments in removing filling material from curved root canals of root filled teeth with unknown preparation parameters.
Methodology:
Ninety mandibular molars with root fillings in curved root canals and homogenous root canal filling extending to 0-2 mm short of the radiogr...
Die endodontische Behandlung älte-rer und alter Patienten unterscheidet sich nicht prinzipiell, aber in einigen Einzelaspekten von der Behand-lung jüngerer Patientengruppen. Einschränkungen der Allgemeinge-sundheit, Multimedikation und u. U. reduzierte Belastbarkeit müssen ebenso berücksichtigt werden wie möglicherweise limitierte Mundöff-nung und...
Clinical Relevance
CHX-containing desensitizers are used for treatment of hypersensitive teeth. This positive effect shows a durability of 3-month.
Re-treatment of primary root canal treatment associated with post-treatment disease has become an important component of daily endodontic practice. Basically, the management of cases requiring re-treatment should comply with the general rules of primary root canal treatment namely accurate diagnosis, antiseptic treatment consisting of cleaning and...
The aim of this study was to evaluate the cleaning efficacy of different irrigant agitation techniques on debris and smear layer removal in curved root canals.
Mesiobuccal root canals of 108 mandibular molars were shaped with nickel-titanium instruments, and a final rinse of NaOCl and ethylenediaminetetraacetic acid was performed. Specimens were as...
The study aimed to quantify the color regression of enamel (E), dentine (D), and combined enamel–dentine (ED) of differently
bleached ED specimens over a period of 12months in vitro. Two ED samples were obtained from the labial surfaces of bovine
teeth and prepared to a standardized thickness with the enamel and dentine layer each 1mm. The ED sampl...