Articles

The Herbst appliance and its modifications - prevalence and individuality

The aim of this study was to analyze the use of modified, cast splint Herbst appliances for the treatment of skeletal class II as an alternative to surgical bite correction over a period of five years.

Authors: Mareike Karbach, Claudia Zöller, Georg Zöller, Heinrich Wehrbein and Christina Erbe

Effects of estrogen deficiency during puberty on maxillary and mandibular growth and associated gene expression – an μCT study on rats

Estrogen is a well-known and important hormone involved in skeletal homeostasis, which regulates genes involved in bone biology. Some studies support that estrogen is important for craniofacial growth and deve...

Authors: Erika Calvano Küchler, Rafaela Mariana de Lara, Marjorie Ayumi Omori, Guido Marañón-Vásquez, Flares Baratto-Filho, Paulo Nelson-Filho, Maria Bernadete Sasso Stuani, Moritz Blanck-Lubarsch, Agnes Schroeder, Peter Proff and Christian Kirschneck

Effects of different surgical techniques and displacement distances on the soft tissue profile via orthodontic-orthognathic treatment of class II and class III malocclusions

Orthognathic surgery can be carried out using isolated mandibular or maxillary movement and bimaxillary procedures. In cases of moderate skeletal malocclusion, camouflage treatment by premolar extraction is an...

Authors: Stephan Christian Möhlhenrich, Florian Kötter, Florian Peters, Kristian Kniha, Sachin Chhatwani, Gholamreza Danesh, Frank Hölzle and Ali Modabber

Application value of combination therapy of periodontal curettage and root planing on moderate-to-severe chronic periodontitis in patients with type 2 diabetes

Our study attempted to observe the value of periodontal curettage combined with root planing on moderate-to-severe chronic periodontitis in patients with type 2 diabetes.

Authors: Yonghuan Bian, Changhao Liu and Zhaojiang Fu

Application of auriculotemporal nerve block and dextrose prolotherapy in exercise therapy of TMJ closed lock in adolescents and young adults

Temporomandibular joint (TMJ) ‘closed lock’ is a clinical condition causing TMJ pain and limited mouth opening (painful locking). Recent studies suggest an increasing prevalence of degenerative joint disease a...

Authors: Hongzhi Zhou, Yang Xue and Ping Liu

Clinicopathological features of incidental parotid lesions

The purpose of this study is to determine the histopathological spectrum and risk of primary malignancy of asymptomatic parotid lesions incidentally discovered on cross-sectional imaging.

Authors: Hassan Al-Balas, Zeyad A. Metwalli, Sarah Eberson and David M. Sada

Measurement of three‐dimensional changes in lip vermilion in adult female patients after orthodontic extraction: a retrospective longitudinal study

3D facial scanning has changed the way facial aesthetic is evaluated and has numerous advantages for facial analysis. The specific relationship between lip vermilion morphological changes after orthodontic ext...

Authors: Lin-hui Shen, Tian-yi Xie, Ruo-ping Jiang, Yi-ran Jiang, Gui Chen, Tian-min Xu and Bing Han

Sialolithiasis: retrospective analysis of the effect of an escalating treatment algorithm on patient-perceived health-related quality of life

Gland preserving techniques in the treatment of sialolithiasis have continuously replaced radical surgery. The aim of this study was to evaluate a multimodal treatment algorithm in the therapy of sialolithiasi...

Authors: Julian Lommen, Lara Schorn, Benjamin Roth, Christian Naujoks, Jörg Handschel, Henrik Holtmann, Norbert R. Kübler and Christoph Sproll

Identification of E2F transcription factor 7 as a novel potential biomarker for oral squamous cell carcinoma

As a tumor-accelerating transcriptional factor, E2F transcription factor 7 (E2F7) was up-regulated in many forms of cancers. Nevertheless, little has been reported about the impacts of E2F7 on oral squamous ce...

Authors: Ping Zhou, Lei Xiao and Xiaonan Xu

Association between problematic social media use and memory performance in a sample of Lebanese adults: the mediating effect of anxiety, depression, stress and insomnia

Psychological factors such as depression, anxiety, stress and insomnia and problematic social media use are able to alter our memories and might have an impact on memory function and retrieval. More studies ar...

Authors: Maya Dagher, Youssef Farchakh, Sam Barbar, Chadia Haddad, Marwan Akel, Souheil Hallit and Sahar Obeid

Neurofibromin expression by normal salivary glands

Neurofibromin, a protein encoded by the NF1 gene, is mutated in neurofibromatosis 1, one of the most common genetic diseases. Oral manifestations are common and a high prevalence of hyposalivation was recently de...

Authors: Eloá Borges Luna, Pâmella Pinho Montovani, Rafaela Elvira Rozza-de-Menezes and Karin Soares Cunha

Relationship between back posture and early orthodontic treatment in children

The purpose of this study was to analyze the relationship between body posture and sagittal dental overjet in children before and after early orthodontic treatment with removable functional orthodontic applian...

Authors: Isa Klostermann, Christian Kirschneck, Carsten Lippold and Sachin Chhatwani

Automated tooth segmentation as an innovative tool to assess 3D-tooth movement and root resorption in rodents

Orthodontic root resorptions are frequently investigated in small animals, and micro-computed tomography (μCT) enables volumetric comparison. Despite, due to overlapping histograms from dentine and bone, accur...

Authors: Viktoria Trelenberg-Stoll, Dieter Drescher, Michael Wolf and Kathrin Becker

Neuro-Muscular Dentistry: the “diamond” concept of electro-stimulation potential for stomato-gnathic and oro-dental conditions

Oro-Pharyngeal Dysphagia - or simply dysphagia - is the difficulty (persistent) in swallowing/passing food and/or liquid from the mouth to the pharynx into the esophagus and finally the stomach; a deglutition ...

Authors: Catalina P. Sandoval-Munoz and Ziyad S. Haidar

Three dimensional movement analysis of maxillary impacted canine using TADs: a pilot study

The aim of the present study was to compare two different anchorage systems efficiency to disinclude impacted maxillary canines using as evaluation tool superimposed Cone Beam Computed Tomography (CBCTs).

Authors: Marco Migliorati, Lucia Cevidanes, Giordana Sinfonico, Sara Drago, Domenico Dalessandri, Gaetano Isola and Armando Silvestrini Biavati

New insights in the reproducibility of visual and electronic tooth color assessment for dental practice

The aim of the study was to compare a 2D and 3D color system concerning a variety of statistical and graphical methods to assess validity and reliability of color measurements, and provide guidance on when to ...

Authors: Anja Ratzmann, Alexander Welk, Stephanie Hoppe, Jochen Fanghaenel and Christian Schwahn

Arabic version of the Hayling sentence completion test: scale validation, normative data and factors associated with executive functions in a sample of the Lebanese adults

This study was conducted for several reasons, primarily because of the lack of an Arabic version of the HSCT that could be beneficial in our clinical practice. Another reason is the need to find potential rela...

Authors: Sarah Boutros, Emilio El Hachem, Joseph Mattar, Souheil Hallit and Hanna Mattar

A collagen membrane influences bone turnover marker in vivo after bone augmentation with xenogenic bone

The aim was to compare early biochemical and histological osseous healing of chronic mandibular defects regenerated with bovine bone substitute with and without collagen membrane in vivo.

Authors: Henning Staedt, Michael Dau, Eik Schiegnitz, Daniel G. E. Thiem, Olga Tagadiuc, Victor Palarie, Peter Ottl, Bilal Al-Nawas and Peer W. Kämmerer

Accuracy of virtual planning in orthognathic surgery: a systematic review

The elaboration of a precise pre-surgical plan is essential during surgical treatment of dentofacial deformities. The aim of this study was to evaluate the accuracy of computer-aided simulation compared with t...

Authors: Ali Alkhayer, József Piffkó, Carsten Lippold and Emil Segatto

Comprehensive 3D analysis of condylar morphology in adults with different skeletal patterns – a cross-sectional study

The correlation between individuals’ condylar morphology and their skeletal pattern is of great interest for treatment strategies ranging from orthodontic orthopaedics to orthognathic surgery. The objective of...

Authors: Petra Santander, Anja Quast, Carolin Olbrisch, Marius Rose, Norman Moser, Henning Schliephake and Philipp Meyer-Marcotty

Multiloop edgewise archwire technique and denture frame analysis: a systematic review

The Multiloop Edgewise Archwire (MEAW) appliance is an orthodontic treatment method suitable for the therapy of severe types of malocclusions such as open bites or anterior crossbites. The cephalometric Dentur...

Authors: M. Tabancis, A. Ratzmann, P. Doberschütz and K. F. Krey

Fully-customized distraction assembly for maxillofacial distraction osteogenesis: a novel device and its experimental accuracy verification

A new distraction osteogenesis assembly system comprising a fully customized CAD/CAM-based fixation unit and ready-made distraction unit was developed. The aim of this study was to introduce our new distractio...

Authors: Sang-Hoon Kang, Hye-Jin Tak, Ha-Won Park, Jin-Ung Kim and Sang-Hwy Lee

Interrelation between facial soft tissue lessions, underlying fracture patterns and treatment of zygomatic bone trauma: a 10 year retrospective study

The pattern of zygomatic bone fractures varies in the literature, their features being frequently masked by the presence of associated soft tissue lesions. In this context the clinical diagnosis and the therap...

Authors: Raluca Iulia Juncar, Paul Andrei Tent, Mihai Juncar, Ioan Anton Arghir, Oana Cristina Arghir and Mircea Rivis

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