Articles

Displacement in root apex and changes in incisor inclination affect alveolar bone remodeling in adult bimaxillary protrusion patients: a retrospective study

Periodontal health is of great concern for periodontists and orthodontists in the inter-disciplinary management of patients with bimaxillary protrusion. The aim of present study is to investigate changes in th...

Authors: Huimin Mao, Andi Yang, Yue Pan, Houxuan Li and Lang Lei

Restorative treatment in a case of amelogenesis imperfecta and 9-year follow-up: a case report

Amelogenesis imperfecta is a hereditary malformation showing various manifestations regarding enamel dysplasia. This case report shows a 9-year follow-up after restorative treatment of a 16-year old female patien...

Authors: Martin M. I. Sabandal, Till Dammaschke and Edgar Schäfer

Guided endodontic treatment of multiple teeth with dentin dysplasia: a case report

To report the outcome of guided endodontic treatment (GET) of a case of dentin dysplasia with pulp canal calcification (PCC) and apical periodontitis based on the use of a 3D-printed template designed by mergi...

Authors: Ralf Krug, Julian Volland, Sebastian Reich, Sebastian Soliman, Thomas Connert and Gabriel Krastl

Analogous modulation of inflammatory responses by the endocannabinoid system in periodontal ligament cells and microglia

Periodontal ligament (PDL) cells initiate local immune responses, similar to microglia regulating primary host defense mechanisms in neuroinflammatory events of the central nervous system. As these two cell ty...

Authors: Andreas Jäger, Maria Setiawan, Eva Beins, Ingo Schmidt-Wolf and Anna Konermann

Biomechanical evaluation of type p condylar head osteosynthesis using conventional small-fragment screws reinforced by a patient specific two-component plate

The aim of this study was to evaluate via finite element analysis (FEA) the biomechanical behavior of conventional small-fragment screws reinforced by a patient-specific plate in type p condylar head.

Authors: Tetiana Pavlychuk, Denis Chernogorskyi, Yurii Chepurnyi, Andreas Neff and Andrii Kopchak

Clinicopathological features of 214 maxillary sinus pathologies. A ten-year single-centre retrospective clinical study

Diagnosis of maxillary sinus pathology must include the clinical radiological study (CRS) and histopathological analysis. The aim of this study is 1) to describe the clinicopathological features of maxillary s...

Authors: Mario Pérez-Sayáns, José M. Suárez Peñaranda, Juan Antonio Suárez Quintanilla, Cintia M. Chamorro Petronacci, Abel García García, Andrés Blanco Carrión, Pilar Gándara Vila and Yolanda Guerrero Sánchez

Is there a relationship between Eustachian tube dysfunction and nasal septal deviation in a sample of the Lebanese population?

The Eustachian tube (ET) is considered an organ by itself due to its specific functions. An ET Dysfunction (ETD) is discussed when this tube is unable to ventilate the middle ear properly. Clinically, the pati...

Authors: Victoria Al Karaki, Souheil Hallit, Mansour Nacouzi and Ziad Rohayem

Dental caries in primary and permanent teeth in children’s worldwide, 1995 to 2019: a systematic review and meta-analysis

Early childhood caries (ECC) is a type of dental caries in the teeth of infants and children that is represented as one of the most prevalent dental problems in this period. Various studies have reported diffe...

Authors: Mohsen Kazeminia, Alireza Abdi, Shamarina Shohaimi, Rostam Jalali, Aliakbar Vaisi-Raygani, Nader Salari and Masoud Mohammadi

Evaluation of the changes of orbital cavity volume and shape after tooth-borne and bone-borne rapid maxillary expansion (RME)

To assess and compare volumetric and shape changes of the orbital cavity in patients treated with tooth-borne (TB) and bone-borne (BB) rapid maxillary expansion (RME).

Authors: Antonino Lo Giudice, Lorenzo Rustico, Vincenzo Ronsivalle, Carmelo Nicotra, Manuel Lagravère and Cristina Grippaudo

Analysing the potential of hydrophilic adhesive systems to optimise orthodontic bracket rebonding

Bond failure during fixed orthodontic treatment is a frequently occurring problem. As bracket rebonding is associated with reduced shear bond strength, the aim of the present investigation is to analyse the ef...

Authors: Isabel Knaup, Antonia Böddeker, Katrin Tempel, Eva Weber, Jenny Rosa Bartz, Marcia Viviane Rückbeil, Rogério Bastos Craveiro, Yvonne Wagner and Michael Wolf

Prevalence of temporomandibular joint disorder in the Lebanese population, and its association with depression, anxiety, and stress

The objectives of this study were to study the prevalence of temporomandibular joint disorder (TMD) and its association with anxiety, depression, and stress among the general Lebanese population as well as in ...

Authors: Elio Kmeid, Mansour Nacouzi, Souheil Hallit and Ziad Rohayem

Simvastatin induces adverse effects on proliferation and mineralization of human primary osteoblasts

Frequently statins were administered to reduce the LDL-concentration in circulating blood. Especially simvastatin (SV) is an often prescribed statin. Pleiotropic effects of these drugs were reported. Thus, the...

Authors: Martin Mariano Isabelo Sabandal, Edgar Schäfer, Jonathan Aed, Susanne Jung, Johannes Kleinheinz and Sonja Sielker

Three-dimensional evaluation of bracket placement accuracy and excess bonding adhesive depending on indirect bonding technique and bracket geometry: an in-vitro study

This study aimed at comparing bracket placement and excess bonding adhesive depending on different indirect bonding (IDB) techniques and bracket geometries.

Authors: Stephan Christian Möhlhenrich, Constantin Alexandridis, Florian Peters, Kristian Kniha, Ali Modabber, Golamreza Danesh and Ulrike Fritz

Morphologic evaluation of root resorption after miniscrew assisted en mass retraction in adult bialveolar protrusion patients

Bialveolar protrusion is one of the most common chief complaints from the Asian orthodontic patients. Typical orthodontic treatment includes extraction of the bimaxillary premolars and en mass retraction of an...

Authors: Yu Chen and Dongxu Liu

Prognostic value of a three-dimensional dynamic quantitative analysis system to measure facial motion in acute facial paralysis patients

To investigate the prognostic value of a three-dimensional dynamic quantitative analysis system to measure facial motion (3D ASFM) in acute facial palsy patients and compare it with subjective grading methods ...

Authors: Yang Zhao, Guodong Feng, Haiyan Wu, Surita Aodeng, Xu Tian, Gerd Fabian Volk, Orlando Guntinas-Lichius and Zhiqiang Gao

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