Articles

Hybrid Mix - a new software solution and web service to get surgical splints in orthognathic surgery

Authors: Nicolas Nimeskern

Experience with orthodontic temporary anchorage devices

Authors: Marc Schätzle

Role of bimaxillary surgery in treatment of high respiratory obstructive sleep apnea syndrome

Authors: Ashraf M S Ghanem

Facial landmark localization by curvature maps and profile analysis

Three-dimensional landmarks of the face are important for orthodontic examination, harmony assessment and treatment planning. Currently, facial landmarks are often measured by orthodontists via direct observat...

Authors: Carsten Lippold, Xiang Liu, Kim Wangdo, Burkhard Drerup, Kristina Schreiber, Christian Kirschneck, Tatjana Moiseenko and Gholamreza Danesh

Shear bond strength of different retainer wires and bonding adhesives in consideration of the pretreatment process

We aimed to compare the shear bond strength (SBS) of three different retainer wires and three different bonding adhesives in consideration of the pretreatment process of enamel surface sandblasting.

Authors: Claudia Reicheneder, Bernd Hofrichter, Andreas Faltermeier, Peter Proff, Carsten Lippold and Christian Kirschneck

A comparison of mandibular and maxillary alveolar osteogenesis over six weeks: a radiological examination

Insufficient information exists on comparing radiological differences in bone density of the regeneration rate in the alveolar bone of the maxilla and mandible following the creation of similar defects in both.

Authors: Marthinus J Kotze, Kurt-W Bütow, Steve A Olorunju and Harry F Kotze

Significant variation in salivation by short-term suggestive intervention: a randomized controlled cross-over clinical study

Most dental procedures require a dry working environment. Although many evaporative drying methods are available, an additional reduction of salivary flow would often be helpful.

Authors: Maximilian Satzl, Albrecht Schmierer, Florian Zeman, Gottfried Schmalz and Thomas Loew

Headache prevalence and its characterization amongst hospital workers in Enugu, South East Nigeria

Headaches are probably the commonest neurological complaint worldwide. Amongst workers it contributes significantly to loss of productive time and work efficiency. It is an important cause of disability and re...

Authors: Ikenna Onwuekwe, Tonia Onyeka, Emmanuel Aguwa, Birinus Ezeala-Adikaibe, Oluchi Ekenze and Elias Onuora

Orthodontic treatment of severe anterior open bite and alveolar bone defect complicated by an ankylosed maxillary central incisor: a case report

Incisor trauma is common in children, and can cause severe complications during adolescent growth and development. This report describes the treatment of a 16-year-old patient with severe anterior open bite du...

Authors: Feiou Lin, Hao Sun, Linjie Yao, Qiushuo Chen and Zhenyu Ni

Lingual orthodontic treatment duration: performance of two different completely customized multi-bracket appliances (Incognito and WIN) in groups with different treatment complexities

The occurrence of side-effects of fixed orthodontic therapy, such as white-spot lesions and root resorption, are known to be significantly more frequent with increasing duration of treatment. Multi-bracket tre...

Authors: Michael Knösel, Elisabeth Klang, Hans-Joachim Helms and Dirk Wiechmann

Mandibular reconstruction using plates prebent to fit rapid prototyping 3-dimensional printing models ameliorates contour deformity

Recently, medical rapid prototyping (MRP) models, fabricated with computer-aided design and computer-aided manufacture (CAD/CAM) techniques, have been applied to reconstructive surgery in the treatment of head...

Authors: Masaki Azuma, Toru Yanagawa, Naomi Ishibashi–Kanno, Fumihiko Uchida, Takaaki Ito, Kenji Yamagata, Shogo Hasegawa, Kaoru Sasaki, Koji Adachi, Katsuhiko Tabuchi, Mitsuru Sekido and Hiroki Bukawa

Frontalis suspension surgery to treat patients with essential blepharospasm and apraxia of eyelid opening-technique and results

We describe the results of 15 patients suffering from essential blepharospasm with apraxia of eyelid opening who underwent frontalis suspension surgery.

Authors: Chrisanthi Karapantzou, Dirk Dressler, Saskia Rohrbach and Rainer Laskawi

Microbial contamination of toothbrushes during treatment with multibracket appliances

It was aimed to assess the retention of caries-associated microorganisms on two different manual toothbrushes (conventional and tapered) and to evaluate the influence of multibracket appliances (MB) on the mic...

Authors: Johanna Eichenauer, Julia von Bremen and Sabine Ruf

Efficiency of pivot splints as jaw exercise apparatus in combination with stabilization splints in anterior disc displacement without reduction: a retrospective study

To evaluate efficiency of pivot splints in jaw exercises, in combination with stabilization splints, in cases of anterior disc displacement without reduction of temporomandibular joint.

Authors: Mehmet Muhtarogullari, Mehmet Avci and Bulem Yuzugullu

Stability of treatment with self-ligating brackets and conventional brackets in adolescents: a long-term follow-up retrospective study

The aim of this study was to assess the long-term stability of treatment with self-ligating brackets compared with conventional brackets.

Authors: Zhou Yu, Lin Jiaqiang, Chen Weiting, Yi Wang, MinLing Zhen and Zhenyu Ni

Ectopic thyroid papillary carcinoma of nasopharynx associated with adenoid hypertrophy: an unusual presentation

Ectopic thyroid tissue of nasopharynx is an uncommon phenomenon and papillary thyroid carcinoma arising from the tissue is extremely rare. The authors report a rare case of 16-year-old girl with papillary thyr...

Authors: Linli Tian, Yufei Jiao, Ming Liu, Minghua Li and Hongchao Yao

Influence of E-smoking liquids on human periodontal ligament fibroblasts

Over the last years, electronic cigarettes (ECs) have become more popular, particularly in individuals who want to give up smoking tobacco. The aim of the present study was to assess the influence of the diffe...

Authors: Ines Willershausen, Thomas Wolf, Veronika Weyer, Robert Sader, Shahram Ghanaati and Brita Willershausen

Cephalometric norms for the upper airway of 12-year-old Chinese children

To establish cephalometric norms for the upper airway of 12-year-old Chinese children, and to assess these norms with regard to gender, age, ethnicity and other craniofacial structures.

Authors: Min GU, Colman PJ McGrath, Ricky WK Wong, Urban Hägg and Yanqi Yang

Three-dimensional quantitative analysis of adhesive remnants and enamel loss resulting from debonding orthodontic molar tubes

Presenting a new method for direct, quantitative analysis of enamel surface. Measurement of adhesive remnants and enamel loss resulting from debonding molar tubes.

Authors: Joanna Janiszewska-Olszowska, Katarzyna Tandecka, Tomasz Szatkiewicz, Katarzyna Sporniak-Tutak and Katarzyna Grocholewicz

Smoothened gene alterations in keratocystic odontogenic tumors

It has been widely demonstrated that the hedgehog pathway is strongly associated with basal cell carcinoma of the skin (NBCCS). To assess potential DNA alterations related to keratocystic odontogenic tumors (K...

Authors: Zhang Rui, Peng Li-Ying, Qu Jia-Fei, Hong Ying-Ying, Chen Feng and Li Tie-Jun

Current concepts in the pathogenesis of traumatic temporomandibular joint ankylosis

Traumatic temporomandibular joint (TMJ) ankylosis can be classified into fibrous, fibro-osseous and bony ankylosis. It is still a huge challenge for oral and maxillofacial surgeons due to the technical difficu...

Authors: Ying-Bin Yan, Su-Xia Liang, Jun Shen, Jian-Cheng Zhang and Yi Zhang

Definition, etiology, prevention and treatment of peri-implantitis – a review

Peri-implant inflammations represent serious diseases after dental implant treatment, which affect both the surrounding hard and soft tissue. Due to prevalence rates up to 56%, peri-implantitis can lead to the...

Authors: Ralf Smeets, Anders Henningsen, Ole Jung, Max Heiland, Christian Hammächer and Jamal M Stein

Lip closing force of Class III patients with mandibular prognathism: a case control study

To compare the lip closing force of patients with mandibular prognathism to that of patients without dentofacial anomalies.

Authors: Sihui Chen, Ying Cai and Fengshan Chen

Quantitative relations between the eyeball, the optic nerve, and the optic canal important for intracranial pressure monitoring

To find correlations between diameters of the optic nerve sheath (ONSD), the eyeball, and the optic canal that might be important for intracranial pressure monitoring.

Authors: Michael Vaiman, Paul Gottlieb and Inessa Bekerman

The relationship between the cranial base and jaw base in a Chinese population

The cranial base plays an important role in determining how the mandible and maxilla relate to each other. This study assessed the relationship between the cranial base and jaw base in a Chinese population.

Authors: Alice Chin, Suzanne Perry, Chongshan Liao and Yanqi Yang

Comparison between rapid and slow palatal expansion: evaluation of selected periodontal indices

The aim of this pilot study was to evaluate the periodontal effects during rapid palatal expansion (RPE) or slow palatal expansion (SPE) and to compare them by means of some clinical indices, in order to estab...

Authors: Stefano Mummolo, Enrico Marchetti, Francesca Albani, Vincenzo Campanella, Filippo Pugliese, Salvatore Di Martino, Simona Tecco and Giuseppe Marzo

Biocompatibility of three bioabsorbable membranes assessed in FGH fibroblasts and human osteoblast like cells culture

Specific physical and chemical features of the membranes may influence the healing of periodontal tissues after guided tissue regeneration (GTR). The aim of the present investigation was to analyze the biologi...

Authors: Michelle Pereira Costa Mundim Soares, Paulo Vinícius Soares, Analice Giovani Pereira, Camilla Christian Gomes Moura, Priscila Barbosa Ferreira Soares, Lucas Zago Naves and Denildo de Magalhães

Retrospective study of biopsied head and neck lesions in a cohort of referral Taiwanese patients

A study of the whole spectrum of biopsied head and neck (HN) diseases in Taiwan has not yet been performed. Therefore, the current study aimed to provide updated information about HN lesions in a cohort of ref...

Authors: Frank Lei, Ping-Ho Chen, Jing-Yi Chen, Wen-Chen Wang, Li-Min Lin, Hsien-Cheng Huang, Kun-Yen Ho, Chung-Ho Chen and Yuk-Kwan Chen

Correction of a severe facial asymmetry with computerized planning and with the use of a rapid prototyped surgical template: a case report/technique article

Management of significant facial asymmetry presents a challenge due to the geometric complexity of the bony and other facial structures. Manual model surgery is an essential part of treatment planning but it c...

Authors: Laszlo Seres, Endre Varga Jr, Andras Kocsis, Zoltan Rasko, Balazs Bago, Endre Varga and Jozsef Piffko

Extent of maxillary deficiency in patients with complete UCLP and BCLP

Primary surgery in patients with complete unilateral and bilateral cleft lip and palate restricts transverse and sagittal maxillary growth. Additional surgical maxillary advancement might become necessary afte...

Authors: Jörg A Lisson and Catharina Weyrich

Dentin-like tissue formation and biomineralization by multicellular human pulp cell spheres in vitro

Maintaining or regenerating a vital pulp is a preferable goal in current endodontic research. In this study, human dental pulp cell aggregates (spheres) were applied onto bovine and human root canal models to ...

Authors: Jörg Neunzehn, Marie-Theres Weber, Gretel Wittenburg, Günter Lauer, Christian Hannig and Hans-Peter Wiesmann

Effect of jaw opening on the stress pattern in a normal human articular disc: finite element analysis based on MRI images

Excessive compressive and shear stresses are likely related to condylar resorption and disc perforation. Few studies have reported the disc displacement and deformation during jaw opening. The aim of this stud...

Authors: Qihong Li, Shuang Ren, Cheng Ge, Haiyan Sun, Hong Lu, Yinzhong Duan and Qiguo Rong

Dislocated dental bridge covering the larynx: usefulness of tracheal tube guides under video-assisted laryngoscopy for induction of general anesthesia, thus avoiding tracheostomy

To describe a case with dislodgement of dental bridge with clasps covering the vocal cords, in a patient who was successfully intubated using tube exchanger under video-assisted laryngoscopy.

Authors: Hiroshi Hidaka, Takahiro Suzuki, Hiroaki Toyama, Shin Kurosawa, Kazuhiro Nomura and Yukio Katori

Antero-posterior lingual sliding retraction system for orthodontic correction of hyperdivergent Class II protrusion

This report introduces a lingual bonded retraction system (Kinematics of Lingual Bar on Non-Paralleling Technique, KILBON) for efficient sliding mechanics combined with vertical control of the anterior and pos...

Authors: Soon-Yong Kwon, Hyo-Won Ahn, Seong-Hun Kim, Young-Guk Park, Kyu-Rhim Chung, Cheol-Ho Paik and Gerald Nelson

Esthetic outcome of implant-based reconstructions in augmented bone: comparison of autologous and allogeneic bone block grafting with the pink esthetic score (PES)

To determine the esthetic outcome of implant-based reconstructions after autologous and allogeneic bone grafting.

Authors: Markus Schlee, Jan-Friedrich Dehner, Katja Baukloh, Arndt Happe, Oliver Seitz and Robert Sader

The significance of cone beam computed tomography for the visualization of anatomical variations and lesions in the maxillary sinus for patients hoping to have dental implant-supported maxillary restorations in a private dental office in Japan

The purpose of the present study was to elucidate the significance of cone bean computed tomography (CBCT) for patients hoping to undergo implant-supported restorations of the maxilla. Therefore, two studies w...

Authors: Kazunobu Shiki, Tatsurou Tanaka, Shinji Kito, Nao Wakasugi-Sato, Shinobu Matsumoto-Takeda, Masafumi Oda, Shun Nishimura and Yasuhiro Morimoto

In vitro inhibition of HUVECs by low dose methotrexate – insights into oral adverse events

With socio-economic changes, dentists and maxillofacial surgeons are more and more faced with medically compromised patients. Especially, the admission of antirheumatic drugs has increased remarkably. So denti...

Authors: Tobias Annussek, Thomas Szuwart, Johannes Kleinheinz, Cathrin Koiky and Kai Wermker

Density of the midpalatal suture after RME treatment – a retrospective comparative low-dose CT-study

Rapid maxillary expansion (RME) is a common technique to improve the dental and skeletal transverse width in cases of constricted maxillary arches. Although retention after RME has been widely examined, there ...

Authors: Michael Schauseil, Björn Ludwig, Berna Zorkun, Andreas Hellak and Heike Korbmacher-Steiner

Oral health survey and oral health questionnaire for high school students in Tibet, China

The aim of this study is to identify the oral health status as well as oral health practices and access for care of graduating senior high school Tibetan students in Shannan prefecture of Tibet.

Authors: Rui Hou, Yong Mi, Quanhong Xu, Fang Wu, Yuanyuan Ma, Peng Xue, Gao Xiao, Yan Zhang, Yinhua Wei and Wenbing Yang

Whole body magnetic resonance angiography and computed tomography angiography in the vascular mapping of head and neck: an intraindividual comparison

The aim of the study was to compare the detectability of neck vessels with contrast enhanced magnetic resonance angiography (MRA) in the setting of a whole-body MRA and multislice computed tomography angiograp...

Authors: Manuel Kramer, Siegfried A Schwab, Emeka Nkenke, Achim Eller, Ferdinand Kammerer, Matthias May, João F Baigger, Michael Uder and Michael Lell

A comparison study between periosteum and resorbable collagen membrane on iliac block bone graft resorption in the rabbit calvarium

To compare the different resorption patterns between resorbable membrane barrier and periosteum after iliac block bone grafting radiographically and histologically.

Authors: Ji-Woong Yang, Hong-Ju Park, Kil-Hwa Yoo, Kwang Chung, Seunggon Jung, Hee-Kyun Oh, Hyung-Seok Kim and Min-Suk Kook

Fully customized placement of orthodontic miniplates: a novel clinical technique

The initial stability and survival rate of orthodontic mini-implants are highly dependent on the amount of cortical bone at their insertion site. In areas with limited bone availability, mini-plates are prefer...

Authors: Jan Hourfar, Georgios Kanavakis, Peter Goellner and Björn Ludwig

Biomechanical investigation of the supraorbital arch - a transient FEA study on the impact of physical blows

As fractures of the supraorbital region are far less common than midfacial or orbital fractures, a study was initiated to investigate whether fist blows could lead to fractures similar to those often seen in t...

Authors: Heike Huempfner-Hierl, Andreas Schaller and Thomas Hierl

Can cone beam CT predict the hardness of interradicular cortical bone?

Orthodontic mini implants can be inserted at the interradicular site. The bone quality at this site may affect the stability and anchorage of the implant. Bone density is clinically evaluated by Hounsfield uni...

Authors: Tamar Brosh, Bereznyak-Elias Yekaterina, Raphael Pilo, Nir Shpack and Silvia Geron

Facial subcutaneous emphysema after tonsillectomy

Tonsillectomy is a commonly performed and relatively safe surgical procedure. However, it can potentially be associated with several complications. We report a case of facial subcutaneous emphysema that occurr...

Authors: Argyro Bizaki, Janne Kääriäinen, Teemu Harju and Markus Rautiainen

Biodegradation pattern and tissue integration of native and cross-linked porcine collagen soft tissue augmentation matrices – an experimental study in the rat

Within the last decades, collagen types I and III have been established as a sufficient biomaterial for GBR and GTR procedures. They might also be an adequate matrix for soft tissue augmentations. However, col...

Authors: Daniel Rothamel, Marcel Benner, Tim Fienitz, Arndt Happe, Matthias Kreppel, Hans-Joachim Nickenig and Joachim E Zöller

New treatment option for an incomplete vertical root fracture–a preliminary case report

Instead of extraction this case report presents an alternative treatment option for a maxillary incisor with a vertical root fracture (VRF) causing pain in a 78-year-old patient. After retreatment of the exist...

Authors: Paul Henryk Hadrossek and Till Dammaschke

Melanin: the biophysiology of oral melanocytes and physiological oral pigmentation

The presence of melanocytes in the oral epithelium is a well-established fact, but their physiological functions are not well defined. Melanin provides protection from environmental stressors such as ultraviol...

Authors: Liviu Feller, Aubrey Masilana, Razia AG Khammissa, Mario Altini, Yusuf Jadwat and Johan Lemmer

Therapeutic effects of functional orthodontic appliances on cervical spine posture: a retrospective cephalometric study

Interactions between the cervical spine and the stomatognathic system have been discussed in literature. The present study was conducted to investigate whether, and to what extent, orthodontically induced mand...

Authors: Maren Ohnmeiß, Gero Kinzinger, Julia Wesselbaum and Heike M Korbmacher-Steiner

Impact of removing mastoid process for advanced parotid cancer on facial nerve identification, preservation and reconstruction

Advanced parotid cancers more than 4 cm are firmly fixed around the main trunk of the facial nerve that can be hardly detected in narrow working space between mastoid process and parotid cancer. Even though fa...

Authors: Junkichi Yokoyama, Shinichi Ooba, Mitsuhisa Fujimaki, Takashi Anzai, Masataka Kojima and Katsuhisa Ikeda