Articles

Management of adenoid cystic carcinoma of the head and neck: a single-institute study with over 25-year follow-up

Adenoid cystic carcinoma is a rare malignant tumor arising from exocrine glands such as the major and minor salivary glands of the paranasal sinuses or the external auditory canal. Although multiple retrospect...

Authors: Eiichi Ishida, Takenori Ogawa, Masahiro Rokugo, Tomohiko Ishikawa, Shun Wakamori, Akira Ohkoshi, Hajime Usubuchi, Kenjiro Higashi, Ryo Ishii, Ayako Nakanome and Yukio Katori

Distribution of bone thickness in the human mandibular ramus – a CBCT-based study

The bone thickness of the human mandibular ramus is an important parameter in mandibular surgeries. The aim of this study was to systematically measure the bicortical bone thickness, the ramus dimensions and t...

Authors: K. Kronseder, C. Runte, J. Kleinheinz, S. Jung and D. Dirksen

Occlusal reconstruction of a patient with ameloblastoma ablation using alveolar distraction osteogenesis: a case report

Ameloblastoma is one of the most common benign odontogenic neoplasms. Its surgical excision has the potential to lead to postoperative malocclusion. In this case report, we describe the successful interdiscipl...

Authors: Yoshihito Ishihara, Hikaru Arakawa, Akiyoshi Nishiyama and Hiroshi Kamioka

Accuracy of intraoral scans in the mixed dentition: a prospective non-randomized comparative clinical trial

In-vivo accuracy of intraoral scans of complete mixed dentitions of patients in active treatment have not yet been investigated. The aim was to test the hypothesis that dimensional differences between intraora...

Authors: Konrad Liczmanski, Thomas Stamm, Cristina Sauerland and Moritz Blanck-Lubarsch

CHARGE syndrome: genetic aspects and dental challenges, a review and case presentation

CHARGE syndrome (CS) is a rare genetic condition (OMIM #214800). The condition has a variable phenotypic expression. Historically, the diagnosis of CHARGE syndrome was based on the presence of specific clinica...

Authors: Manogari Chetty, Tina Sharon Roberts, Mona Elmubarak, Heidre Bezuidenhout, Liani Smit and Mike Urban

Comparison of the accuracy of different impression procedures in case of multiple and angulated implants

There is no consensus in the literature regarding the impression procedures in the presence of multiple and angulated implants.

Authors: M. Wafa Richi, Sevcan Kurtulmus-Yilmaz and Oguz Ozan

Evaluation of the relationship between malar projection and lower facial convexity in terms of perceived attractiveness in 3-dimensional reconstructed images

This study aimed to investigate dental student’s perception of facial attractiveness with regard to different combinations of anteroposterior malar-jaw positions using 3-dimensional (3-D) reconstructed images ...

Authors: Hon Kwan Woo, Deepal Haresh Ajmera, Pradeep Singh, Kar Yan Li, Michael Marc Bornstein, Kwan Lok Tse, Yanqi Yang and Min Gu

Incorrect measurements and misleading conclusions in the article “Comparison of the efficacy of tooth alignment among lingual and labial brackets: an in vitro study”

To reproduce the methods and results of the study by Alobeid et al. (2018) in which the efficacy of tooth alignment using conventional labial and lingual orthodontic bracket systems was assessed.

Authors: Dirk Wiechmann, Hans-Peter Bantleon, Birte Melsen, Björn Zachrisson, Urban Hägg, Pierre Canal, Robert Garcia, Stephane Barthélemi, Laure Frapier, Dan Grauer, Christian Sander, Peter Diedrich, Collin Jacobs, Heiner Wehrbein, Ariane Hohoff, Hans-Joachim Helms…

From honest mistakes to fake news – approaches to correcting the scientific literature

Authors: Thomas Stamm

Development, validation and application of a 3D printed model depicting adenoid hypertrophy in comparison to a Nasoendoscopy

The exploration of tridimensional (3D) technology of computational tomography and the development of valid 3D printed models may improve the assessment of adenoid obstruction. The identification of an enlarged...

Authors: Claudine Thereza-Bussolaro, Manuel Lagravère, Camila Pacheco-Pereira and Carlos Flores-Mir

Factor analysis and evaluation of each item of the tinnitus handicap inventory

This study aims to examine the availability of subscales in the Tinnitus Handicap Inventory (THI) originally proposed by Newman and the possibility of other useful subscales. We also examine whether each item ...

Authors: Satoko Wakabayashi, Naoki Oishi, Seiichi Shinden and Kaoru Ogawa

Perfect combination of the expanded flap and 3D printing technology in reconstructing a child’s craniofacial region

The reconstruction of large head and face missing structures in the craniofacial region in children is very challenging for plastic surgeons. Expanded local and expanded axial-pattern flaps are widely used for...

Authors: Yanni Wang and Hongyan Qi

Colorimetric and spectrophotometric measurements of orthodontic thermoplastic aligners exposed to various staining sources and cleaning methods

Manufacturers of orthodontic aligners suggest that users remove appliances every time they consume solid foods or any drink (except water). This is to avoid a color change within the clear thermoplastic materi...

Authors: Gabrielle Bernard, Pierre Rompré, Jason Robert Tavares and Andrée Montpetit

Measurement error and reliability of three available 3D superimposition methods in growing patients

Cone-Beam Computed Tomography (CBCT) images can be superimposed, allowing three-dimensional (3D) evaluation of craniofacial growth/treatment effects. Limitations of 3D superimposition techniques are related to...

Authors: Cecilia Ponce-Garcia, Antonio Carlos de Oliveira Ruellas, Lucia Helena Soares Cevidanes, Carlos Flores-Mir, Jason P. Carey and Manuel Lagravere-Vich

Accuracy and clinical safety of guided root end resection with a trephine: a case series

Root-end resection is an endodontic surgical intervention that requires high precision so that all ramifications and lateral canals so as infected tissues are eliminated. An exploratory study was conducted to ...

Authors: Márk Antal, Eszter Nagy, Gábor Braunitzer, Márk Fráter and József Piffkó

Ontogeny of the facial phenotypic variability in Mexican patients with 22q11.2 deletion syndrome

22q11.2 deletion syndrome is a medical condition that results from genomic loss at chromosome 22. Affected patients exhibit large variability that ranges from a severe condition to mild symptoms. In addition, ...

Authors: Arodi Farrera, María Villanueva, Alfredo Vizcaíno, Patricia Medina-Bravo, Norma Balderrábano-Saucedo, Mariana Rives, David Cruz, Elizabeth Hernández-Carbajal, Javier Granados-Riveron and Rocío Sánchez-Urbina

Simultaneous, radiation-free registration of the dentoalveolar position and the face by combining 3D photography with a portable scanner and impression-taking

Simultaneous, radiation-free registration of the teeth and the upper and lower jaw positions in relation to the extraoral soft tissue could improve treatment planning and documentation. The purpose of this stu...

Authors: Lucas M. Ritschl, Klaus-Dietrich Wolff, Pia Erben and Florian D. Grill

Release kinetics of the model protein FITC-BSA from different polymer-coated bovine bone substitutes

Controlled release of proteins bound to conventional bone substitutes is still insufficient. Therefore, this study evaluates in-vitro release kinetics of the model protein FITC-BSA (fluorescein conjugated bovi...

Authors: Julian Lommen, Lara Schorn, Alexis Landers, Henrik Holtmann, Karin Berr, Norbert R. Kübler, Christoph Sproll, Majeed Rana and Rita Depprich

Effect of mandibular position achieved using an oral appliance on genioglossus activity in healthy adults during sleep

Oral appliances (OAs) are generally designed to displace the mandible anteriorly and downward, to increase the airway patency. The present study aimed to examine the relationship between genioglossus (GG) musc...

Authors: Michikazu Matsuda, Toru Ogawa, Ratri M. Sitalaksmi, Makiko Miyashita, Toshimi Ito and Keiichi Sasaki

Advocacy of diagnostic criteria for maxillary incisive canal cysts based on alteration of normal maxillary incisive canals according to aging in Japanese populations

The purpose of the present study was to describe the CT imaging findings of normal incisive canals and incisive canal cysts and propose cut-off values to differentiate between them.

Authors: Naruhiko Ueda, Tatsurou Tanaka, Masafumi Oda, Nao Wakasugi-Sato, Shinobu Matsumoto-Takeda, Yuichi Miyamura, Takaaki Jyoujima, Kouichi Kiyota, Kensuke Tsutsumi and Yasuhiro Morimoto

Correction to: A bibliometric analysis of scientific production in the field of lingual orthodontics

Following publication of the original article [1], the author informed

Authors: Beatriz Tarazona-Alvarez, Rut Lucas-Dominguez, Vanessa Paredes-Gallardo, Adolfo Alonso-Arroyo and Antonio Vidal-Infer

A bibliometric analysis of scientific production in the field of lingual orthodontics

Due to the lack of bibliometric studies in the field of lingual orthodontics in dentistry, the aim of this study was to assess the evolution and current status of activity in this field during the period 1978–...

Authors: Beatriz Tarazona-Alvarez, Rut Lucas-Dominguez, Vanessa Paredes-Gallardo, Adolfo Alonso-Arroyo and Antonio Vidal-Infer

Comparison of potential long-term costs for preventive dentistry treatment of post-orthodontic labial versus lingual enamel cavitations and esthetically relevant white-spot lesions: a simulation study with different scenarios

Post-orthodontic white-spot lesions (WSL) in esthetically relevant incisor and canine areas impair dentofacial esthetics, and preventive dentistry treatment is definitely required in case of enamel cavitations...

Authors: Michael Knösel, Roberto Vogel Alvarez, Moritz Blanck-Lubarsch and Hans-Joachim Helms

HF etching of CAD/CAM materials: influence of HF concentration and etching time on shear bond strength

The required pretreatment of CAD/CAM ceramic materials before resin composite cement application varies among studies. The aim of the present study was to evaluate the effect of hydrofluoric acid concentration...

Authors: Antonio Straface, Lena Rupp, Aiste Gintaute, Jens Fischer, Nicola U. Zitzmann and Nadja Rohr

Biomechanical analyses of common suspension sutures in primary cleft lip rhinoplasty

For a better understanding of common suspension sutures during primary cleft lip nasal rhinoplasty, the biomechanical consequences of those sutures need to be demonstrated.

Authors: Hanyao Huang, Xu Cheng, Xiangyou Luo, Bing Shi and Jingtao Li

Histological determination of cariously altered collagen after dentin caries excavation with the polymer bur PolyBur P1 in comparison to a conventional bud bur

To compare the polymer bur PolyBur P1 (P1) with tungsten carbide bud bur H1 SE (H1) in removing cariously altered collagen during dentin caries excavation.

Authors: Jeannine Lohmann, Edgar Schäfer and Till Dammaschke

Comparison of condylar morphology changes and position stability following unilateral and bilateral sagittal split mandibular ramus osteotomy in patients with mandibular prognathism

Unilateral sagittal split ramus osteotomy (USSRO) is not widely used given the postoperative instability caused by the inevitable rotation of the mandibular segment during surgery. However, the influence of ma...

Authors: Han Lin, Yifan He, Yifan Feng and Fang Huang

Mandibular growth in infants with Robin sequence treated with the Tübingen palatal plate

Robin sequence (RS) is characterized by mandibular retrognathia, glossoptosis and upper airway obstruction. Whether mandibular catch-up growth may occur in RS is yet controversial. Our functional and less inva...

Authors: Cornelia Wiechers, Wolfgang Buchenau, Jörg Arand, Anne-Friederike Oertel, Katharina Peters, Silvia Müller-Hagedorn, Bernd Koos and Christian F. Poets

Evaluation of the oral health-related quality of life in patients with odontogenic fascial space abscesses and underlying conditions – a prospective questionnaire-based study

Oral Health-Related Quality of Life (OHRQoL) is an important aspect of quality of life. Acute illnesses, as well as chronic diseases, can have a strong, persisting impact on an individual’s quality of life. Th...

Authors: Lara Schorn, Felix Schrader, Rita Depprich, Julian Lommen, Norbert R. Kübler and Henrik Holtmann

Correction to: Three-dimensional quantitative assessment of palatal bone height for insertion of orthodontic implants - a retrospective CBCT study

Following publication of the original article [1], the authors reported that the information regarding ethics approval was accidentally entered under trial registration. A trial registration was not required f...

Authors: Sachin Chhatwani, Viola Rose-Zierau, Bassel Haddad, Mohammed Almuzian, Christian Kirschneck and Gholamreza Danesh

Correction to: Template-based temporomandibular joint puncturing and access in minimally invasive TMJ surgery (MITMJS) – a technical note and first clinical results

Following publication of the original article [1], the authors reported that the registration number of the ethics approval was accidentally entered under trial registration. A trial registration was not perfo...

Authors: Matthias Krause, Hans Martin Dörfler, Daniel Kruber, Heike Hümpfner-Hierl and Thomas Hierl

Correction to: The tablet computer’s impact on learning and National Dental Examination scores in orthodontics - a mixed-method research

Following publication of the original article [1], the editor-in-chief reported that the information regarding ethics approval was accidentally entered by the author under trial registration. A trial registrat...

Authors: Thomas Stamm, Irina Triller, Ariane Hohoff and Moritz Blanck-Lubarsch

Comparison of the reconstruction of through-and-through cheek defects involving the labial commissure following tumor resection using four types of local and pedicle flaps

The reconstruction of through-and-through cheek defects involving the labial commissure following cancer ablation is a surgical challenge.

Authors: Wei-liang Chen, Yan Wang, Bin Zhou, Juan-kun Liao and Rui Chen

The tablet computer’s impact on learning and National Dental Examination scores in orthodontics - a mixed-method research

To assess the educational impact of a one-to-one tablet PC (TPC) program by analysing university students’ learning skills and related scores of the National Dental Examination (NDE) in Germany.

Authors: Thomas Stamm, Irina Triller, Ariane Hohoff and Moritz Blanck-Lubarsch

Template-based temporomandibular joint puncturing and access in minimally invasive TMJ surgery (MITMJS) – a technical note and first clinical results

Minimally invasive temporomandibular joint surgery (MITMJS) is an option for patients suffering from severe internal derangement or adhesions. To improve TMJ access, a workflow to create surgical templates is ...

Authors: Matthias Krause, Hans Martin Dörfler, Daniel Kruber, Heike Hümpfner-Hierl and Thomas Hierl

Three-dimensional quantitative assessment of palatal bone height for insertion of orthodontic implants - a retrospective CBCT study

Orthodontic implants have found widespread use as means of maximum skeletal anchorage in fixed orthodontic treatment, their optimal insertion location in the hard palate, however, is still controversial. The a...

Authors: Sachin Chhatwani, Viola Rose-Zierau, Bassel Haddad, Mohammed Almuzian, Christian Kirschneck and Gholamreza Danesh

Oral symptoms and oral health-related quality of life of individuals with x-linked hypophosphatemia

The primary purpose of this study was to collect data on the oral health-related quality of life (OHRQoL) of individuals with x-linked hypophosphatemia (XLH). It was also designed to gather information on the ...

Authors: Marcel Hanisch, Lauren Bohner, Martin M. I. Sabandal, Johannes Kleinheinz and Susanne Jung

Occlusal height difference between maxillary central and lateral incisors: should aesthetic perception influence bracket placement?

The aim of this study was to verify anecdotal evidence that the maxillary central-to-lateral occlusal height difference (OHD) of more than 0.5 mm is a feature displayed in the majority of media and to discuss ...

Authors: Jan Hourfar, Dirk Bister, Björn Ludwig, Gero Kinzinger and Jörg Alexander Lisson

Errors according to the number of registered markers used in navigation-assisted surgery of the mandible

The aim of this study was to evaluate the accuracy of navigation according to the number of markers in terms of target registration errors (TREs) at each anatomical location during the registration process of ...

Authors: Young-Eun Hwang, Sang-Hoon Kang and Hang-Keun Kim

Multidisciplinary oral rehabilitation of an adolescent suffering from juvenile Gorlin-Goltz syndrome – a case report

The Gorlin-Goltz syndrome is an autosomal dominant disorder characterized by keratocystic odontogenic tumors in the jaws, multiple basal cell carcinomas and skeletal abnormities. Frequently, the manifestation ...

Authors: Manfred Nilius, Jürgen Kohlhase, Johann Lorenzen, Günter Lauer and Matthias C. Schulz

Pain perception and functional/occlusal parameters in sleep bruxism subjects following a therapeutic intervention

This study was conducted to assess the individual pain perception in sleep bruxism (SB) subjects. Moreover, the effects of a cognitive behavioural therapy (CBT) compared to an occlusal appliance (OA) on pain p...

Authors: Michelle Alicia Ommerborn, Rita Antonia Depprich, Christine Schneider, Maria Giraki, Matthias Franz, Wolfgang Hans-Michael Raab and Ralf Schäfer

Skeletal open bite with amelogenesis imperfecta treated with compression osteogenesis: a case report

We successfully treated a 37-year-old male who had skeletal open bite with severe amelogenesis imperfecta (AI) with orthodontics, compression osteogenesis, and prosthodontics.

Authors: Hiroki Mori, Takashi Izawa, Hitoshi Mori, Keiichiro Watanabe, Takahiro Kanno and Eiji Tanaka

Regulation of somatostatin receptor 2 by proinflammatory, microbial and obesity-related signals in periodontal cells and tissues

Periodontitis is a chronic disease characterized by a progressive and irreversible destruction of the tooth-supporting tissues, including gingiva and periodontal ligament (PDL). Microorganisms, such as Fusobacter...

Authors: Svenja Memmert, Anna Damanaki, Marjan Nokhbehsaim, Andressa V. B. Nogueira, Sigrun Eick, Joni A. Cirelli, Andreas Jäger and James Deschner

Clinical presentation and characteristics of lymphoma in the head and neck region

The study analyses clinical characteristics of histologically defined head and neck (H&N) lymphoma to raise the awareness of ENT specialists to the leading symptoms.

Authors: Katharina Storck, Markus Brandstetter, Ulrich Keller and Andreas Knopf

Assessing staining resistance of a CAD/CAM interpenetrating network composite material

Color change of dental materials over time because of staining agents has important effects on the long-term prognosis of dental esthetic treatments. In the present study, staining resistance of an interpenetr...

Authors: Mehmet Mustafa Özarslan, Ulviye Şebnem Büyükkaplan, Çağatay Barutcigil, Merve Özarslan, Kubilay Barutcigil and Nurullah Türker

Antinuclear antibody and rheumatoid factor positivity in temporomandibular disorders

To investigate the differences in clinical characteristics and long-term treatment outcomes according to antinuclear antibody(ANA) and rheumatoid factor(RF) positivity and the correlation between pain-related ...

Authors: Ji Rak Kim, Jung Hwan Jo, Jin Woo Chung and Ji Woon Park

Comparing oral health in patients with different levels of dental anxiety

Dental Anxiety is still today one of the most common fears and is therefore a great challenge for every dental practitioner. The aim of this study was to identify patients with dental anxiety using the Dental ...

Authors: Alexander Zinke, Christian Hannig and Hendrik Berth

Extracorporeal shockwave treatment impedes tooth movement in rats

Accelerated tooth movement has been a topic of interest for orthodontic research recently. Surgically facilitated orthodontic treatment has been shown to be an effective approach to accelerate tooth movement; ...

Authors: Phimon Atsawasuwan, Yinghua Chen, Karan Ganjawalla, Albert L. Kelling and Carla A. Evans

Myositis ossificans traumatica of the masticatory muscles: etiology, diagnosis and treatment

Myositis ossificans describes a heterotopic bone formation within a muscle. Thereby myositis ossificans is classified in two different groups: myositis ossificans progressiva (MOP) which describes a genetic au...

Authors: Marcel Hanisch, Lale Hanisch, Leopold F. Fröhlich, Richard Werkmeister, Lauren Bohner and Johannes Kleinheinz

Assessing the effect of multibracket appliance treatment on tooth color by using electronic measurement

The purpose of this study was to investigate how tooth color is affected by multibracket appliance (MBA) treatment.

Authors: Anja Ratzmann, Christan Schwahn, Anja Treichel, Andreas Faltermeier and Alexander Welk