Dokumente Human- und Zahnmedizin nach Gutachter "Hahn, Wolfram PD Dr."
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Axiographische Darstellung möglicher Unterschiede in der Bewegungsbahn bei okklusions- und kalottenschienengeführter Kondylenbewegung
(2014-09-10)INTRODUCTION: With its various pathologies and etiologies, temporomandibular joint dysfunction is one of the most common disorders of the orofacial system. The many individual symptoms, which often have a marked influence ... -
Biomechanische Untersuchungen an thermoplastisch geformten Schienen
(2012-06-26)Many clinical treatments with removable thermoplastic appliances have been documented in dental literature. Yet, the forces produced by these appliances have not been investigated systematically so far. Hence the aim of ... -
Effizienz von ProTaper-Universal-Retreatment-Instrumenten für die Entfernung thermoplastischer Guttapercha aus gekrümmten Wurzelkanälen - Eine Mikro-CT-Studie
(2019-11-08)AIM: Ex vivo study to evaluate the efficacy of ProTaper Universal Retreatment instruments in removing Thermafil, GuttaCore and vertically compacted gutta-percha from curved root canals using micro-CT. METHOLOGY: 60 curved ... -
Einfluss verschiedener Präparationstechniken bei geraden und gekrümmten Wurzelkanälen auf die Entstehung von Mikrorissen im Dentin Eine Mikro-Computertomografie-Studie
(2022-01-14)This study aimed to evaluate the cause-effect relationship between canal preparation with three different NiTi instrumentation techniques and dentinal microcracks in straight and curved root canals using micro-computed ... -
In-vitro-Untersuchung zur Prozessoptimierung bei Herstellung und adhäsiver Befestigung von 3-3-Retainern mit Hilfe einer Neodym-Magnetkette
(2013-01-08)Background and objective: Since the development of 3-3-retainers different technologies have been designed in the attempt to optimize the process of the adhesive fixation in the patient's mouth. The aim of this study ... -
Klinische und biomechanische Untersuchungen nach operativer Versorgung von Mittelhandfrakturen mit resorbierbaren Implantaten
(2011-06-24)Metacarpal fractures are common injuries of the upper extremity that especially occur in young people ((Abdon et al. 1984, Crosby et al. 1994, Prevel et al. 1995, Prevel et al. 1996, Prokop ... -
Klinische Vergleichsstudie der konventionellen Parodontalsonde mit der Florida Probe an parodontal gesunden und erkrankten Patienten
(2010-10-21)To assess the progress of periodontal therapy, measurements of probing depth and attachment loss are essential. Changes over time can only determine if the measurements are reproducible. ... -
Korrelationen zwischen kephalometrischen Werten und dem Knochenangebot intraoraler Spenderregionen für präimplantologische Knochenaugmentationen
(2021-03-04)In this retrospective study 108 radiographic images consisting of one lateral cephalometric radiograph (ceph), one panoramic radiograph (OPG) and one cone-beam-computed-tomography (CBCT) image per one of the 36 healthy ... -
Kraftabgabe thermoplastisch geformter Schienen mit inzisaler Schlitzung zur orthodontischen Zahnbewegung
(2012-08-09)This study's aim is to determine the initial forces generated by thermoplastic appliances of various designs when tipping an upper central incisor in palatinal and vestibular direction. For these tests, newly developed ... -
Kraftabgabe thermoplastisch geformter Schienen zur Kippung unterer Frontzähne
(2014-03-25)A considerable number of clinical case studies and observations concerning the treatment of tooth displacement by use of thermoformed appliances is to be found in the dental-medical literature. But until the presenr day, ... -
Retrospektive Analyse zur Untersuchung implantatgetragener, stegretinierter Deckprothesen zur Versorgung zahnloser Kiefer
(2013-05-29)Objectives: Implant-supported, bar retained overdentures in the edentulous maxilla and in the mandible were examined for their restoration- and their implant-related survival rates and the prevalence of technical and ... -
Die sagittale Kompensationskurve - Eine Untersuchung ihrer Veränderung und Abhängigkeit von Zahnbogenlänge, -breite und -symmetrie anhand multipel erstellter Klasse-I-Verzahnungen
(2016-06-02)Introduction: Dental literature contains clinical studies, that investigates the modification of the curve of spee (COS) based on their genesis, their occurrence during the growth or connection to other factors. Numerous ... -
The quality of the mechanical properties of laser welded points between commercial pure titanium rings, for creating a net for surgical applications
(2015-08-17)The quality of the mechanical properties of laser welded points between commercial pure titanium rings, for creating a net for surgical applications -
Untersuchung neuer Techniken zur Entfernung von Kalziumhydroxid aus dem Wurzelkanalsystem gerader Wurzelkanäle
(2012-01-09)Aim of the study: To compare the efficacy of different irrigation techniques regarding the removal of calcium hydroxide from simulated irregularities in the apical and coronal part of root ... -
Vergleichende Studie zur Entfernung von Debris mit unterschiedlichen Spültechniken.
(2012-02-21)The aim of this study was to compare the efficiency of a sonic device (Vibringe), syringe irrigation, and passive ultrasonic irrigation in the removal of debris from simulated root canal ... -
Vergleichende Untersuchung zur Wirkweise unterschiedlicher Schienentherapiekonzepte bei anteriorer Diskusverlagerung mit Reposition
(2012-10-16)CMD is a widespread clinical pattern in society and due to its complexity it needs individual as well as effective forms of therapy. It comes as no surprise that because of steady new technical findings, in the time to ...