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Int J Clin Pediatr Dent 2020 Nov-Dec;13(6):644-649

Department of Preventive Dental Sciences, Faculty of Dentistry, Najran University, Najran, Kingdom of Saudi Arabia.

Aim: An avulsion is defined as one of the most common dental injuries where the tooth is displaced completely from its socket, followed by trauma. The most important time in managing the avulsed tooth is the first few minutes and as children spend their most of waking time in school so the teacher is considering their immediate caregiver. Hence, this study was done to carry out the knowledge and attitude of school teachers regarding emergency management of avulsed permanent tooth in schools located in the southern region of Saudi Arabia. Read More

Contemp Clin Dent 2020 Jul-Sep;11(3):261-265. Epub 2020 Nov 26.

Department of Orthodontics and Dentofacial Orthopedics, MES Dental College, Malappuram, Kerala, India.

Context: Displacement of bracket after initial placement on tooth surface in the precure phase of bonding influences the shear bond strength.

Aims: The aim of this study was to evaluate the influence of bracket displacement during the precure phase after initial placement on the tooth surface on shear bond strength of chemical cure and light cure composites.

Settings And Design: experimental study. Read More

Craniomaxillofac Trauma Reconstr 2021 Mar 12;14(1):74-78. Epub 2020 Apr 12.

Department of Oral and Maxillofacial Surgery, SRM Dental College and Hospital, Ramapuram Campus, Ramapuram, Chennai, Tamil Nadu, India.

Mandibular angle fractures are frequently encountered as they constitute an area of weakness. Complications after open reduction and internal fixation (ORIF) of angle fractures commonly arise due to improper reduction and fixation methods that fail to counteract the dynamic muscle forces present in this region. Conventional reduction methods such as digital manipulation, intermaxillary fixation, towel clip traction, and wiring are associated with various limitations. Read More

J Orofac Orthop 2021 May 5;82(3):198-208. Epub 2021 Feb 5.

Department of Orthodontics, Faculty of Medicine, Medical University of Gdańsk, Aleja Zwycięstwa 42c, 80-210, Gdańsk, Poland.

Purpose: The aims of this retrospective cross-sectional study were to measure and compare labial and palatal alveolar bone heights of maxillary central incisors in unilateral cleft lip and palate patients, following STROBE (Strengthening the Reporting of Observational Studies in Epidemiology) guidelines.

Patients And Methods: The study group consisted of 21 patients with a mean age of 16 years. High-resolution cone-beam computed tomography was performed at least one year after secondary alveolar bone grafting. Read More

J Orthod 2021 Jan 10:1465312520982876. Epub 2021 Jan 10.

Leeds Dental Institute, Leeds, UK.

This paper describes the orthodontic treatment of two cases that were successful in winning the British Orthodontic Society (BOS) Membership in Orthodontics (MOrth) Cases Prize in 2019. The first case describes the management of a 12-year-old girl with a Class II division 2 malocclusion complicated by moderate upper and lower arch crowding, multiple unerupted teeth, restored lower first permanent molars, pseudo-transposition of the lower left lateral incisor and canine, and diminutive upper lateral incisors. Treatment involved a combination of an upper removable appliance followed by upper and lower preadjusted edgewise fixed appliances. Read More

Angle Orthod 2020 11;90(6):751-757

Objectives: To compare the impact of primary canine and primary first molar extractions with extractions of only the primary canine regarding correction of palatally displaced canines (PDCs).

Materials And Methods: Thirty-two children aged 9.5-13. Read More

J Korean Assoc Oral Maxillofac Surg 2020 Dec;46(6):422-427

Department of Oral and Maxillofacial Surgery, K.V.G. Dental College and Hospital, Sullia, India.

Management of maxillofacial trauma includes primary care, in which diagnosis and management of dentoalveolar injury play a vital role. Due to the impact sustained during a maxillofacial injury (whether direct or indirect), dentoalveolar injuries can occur, leading to fracture and displacement of teeth and associated alveolar bone into the surrounding soft tissues and associated structures, such as the maxillary sinus, nasal cavity, upper respiratory tract, tracheobronchial tree, or gastrointestinal tract. Undiagnosed displaced teeth may cause complications such as airway obstruction. Read More

J Equine Vet Sci 2020 12 8;95:103274. Epub 2020 Oct 8.

Department of Surgery, Anesthesiology & Radiology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.

Orodental disorders are common in equidae and can lead to serious clinical complications. This study determines the prevalence rate (PR) of orodental disorders in working donkeys in Egypt and their potential risk factors. During 4 years, 3,791 donkeys were examined in six Egyptian governorates. Read More

Am J Orthod Dentofacial Orthop 2021 Jan 21;159(1):e7-e16. Epub 2020 Nov 21.

Division of Orthodontics, Faculty of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.

Introduction: To evaluate the influence of compensatory tipping of maxillary and mandibular incisors on the anterior arch length ratio and canine relationship in skeletal Class II malocclusion.

Methods: The study was based on posttreatment lateral head films and dental casts of 88 patients. The sample was divided into a Class II malocclusion group (32 patients; ANB ≥5° and mean [± standard deviation] age, 20. Read More

J Oral Maxillofac Surg 2021 02 17;79(2):404-411. Epub 2020 Sep 17.

Assistant Professor, Department of Oral and Maxillofacial Surgery, Paracelsus Medical University, Salzburg, Austria.

Purpose: The authors conducted a retrospective, multicenter study to investigate the differences in the fixation patterns, in terms of number and thickness of plates, between patients in whom a third molar (3M) was maintained or removed in the line of mandibular angle fractures.

Materials And Methods: The study was conducted in 6 European level I and II maxillofacial trauma centers. Data were collected on patients ≥ 16 years of age who underwent open reduction internal fixation (ORIF) for mandibular angle fractures (MAF) from 2008 to 2018, in whom a 3M in the fracture line was present and who had a follow-up duration of 6 months. Read More

Prog Orthod 2020 Oct 5;21(1):37. Epub 2020 Oct 5.

Clinic of Orthodontics and Pediatric Dentistry Center of Dental Medicine, University of Zurich, Plattenstrasse, 11, Zurich, Switzerland.

Objectives: Adults with fixed orthodontic appliances are increasing nowadays. Compared with adolescents, adults present biological differences that might influence treatment duration. Therefore, the aim of the study was to compare duration of treatment with fixed appliances between adults and adolescents. Read More

J Oral Maxillofac Surg 2021 Jan 7;79(1):201.e1-201.e5. Epub 2020 Sep 7.

Assistant Professor Dpt. of Oral and Maxillofacial Surgery, Paracelsus Medical University, Salzburg, Austria.

Purpose: The aim of this survey was to investigate the surgical management of bilateral mandibular angle fracture (BMAF) in Europe.

Methods: Data were collected from 2008 to 2018 on patients ≥ 16 years of age who underwent open reduction internal fixation (ORIF) for BMAF with a third molar in the fracture line. The study was conducted at 6 European trauma centers. Read More

J Indian Soc Pedod Prev Dent 2020 Jul-Sep;38(3):311-314

Department of Oral and Maxillofacial Pathology, Sibar Institute of Dental Sciences, Guntur, Andhra Pradesh, India.

Eruption of the first tooth at 6 months of age is a significant stage in a child's life. However, the presence of a tooth in the oral cavity of a newborn can lead to a lot of delusions. Natal and neonatal teeth are of utmost importance not only to a dentist but also for a pediatrician due to parental anxiety, folklore superstitions, and numerous complications associated with it. Read More

J Craniofac Surg 2021 Jan-Feb 01;32(1):73-77

Department of Plastic and Reconstructive Surgery, Johns Hopkins Hospital, Baltimore, MD.

Background: Mandibular body fractures can cause severe and long-term morbidity in the pediatric population. Nonetheless, there is insufficient data on the treatment and management of this specific fracture type in children. This study aimed to investigate the etiology, treatment, and outcomes of pediatric mandibular body fractures by analyzing our institution's experience managing these uncommon injuries. Read More

Ann Maxillofac Surg 2020 Jan-Jun;10(1):210-212. Epub 2020 Jun 8.

Department of Oral and Maxillofacial Surgery, Sri Rajiv Gandhi College of Dental Sciences and Hospital, Bengaluru, Karnataka, India.

Tooth impaction is a pathological situation where a tooth is unable to achieve its normal functional position within the expected time span. The removal may be associated with intra-operative or post-operative complications. The Le Fort I osteotomy is a procedure used by maxillofacial surgeons to correct a wide range of dentofacial deformities. Read More

Bull Tokyo Dent Coll 2020 Sep 14;61(3):201-209. Epub 2020 Aug 14.

Department of Oral-Maxillofacial Surgery, Tokyo Dental College.

Alveolar bone grafting is routinely performed in repair of alveolar clefts. When the alveolar cleft is wider than 11 mm, however, the survival rate of the bone graft and prognosis are poor. Here, we describe successful orthodontic treatment using interdental distraction osteogenesis (IDO) with a tooth-tooth type distractor to reduce the width of the alveolar cleft in a patient with unilateral cleft lip and palate. Read More

J Dent Child (Chic) 2020 May;87(2):60-68

Dr. Athanasiou is a professor and an executive dean, Department of Dentistry, European University Cyprus, Nicosia, Cyprus.

Although rapid maxillary expansion (RME), transpalatal arch (TPA) and cervical-pull headgear (HG) have been suggested for the interception of palatally displaced permanent canines (PDCs), existing knowledge remains inconclusive. The purpose of this study was to assess these practices in an evidence-based manner.
Randomized controlled trials (RCTs) investigating the prevalence of physiologic PDC eruption after using RME, TPA and HG, with or without the extraction of the primary canines, were searched, and the risk of bias was assessed. Read More

Stomatologiia (Mosk) 2020 ;99(4):71-75

Khimki Central Clinical Hospital, Khimki, Russia.

Root dislocation into soft tissues during lower jaw third molar extraction belongs to clinically rare complications. The thickness of the cortical plate on the third molar lingual side does not exceed 1.5 mm. Read More

Afr J Emerg Med 2020 Jun 8;10(2):99-102. Epub 2020 Jan 8.

Department of Radiodiagnosis, SLBS, Mandi, HP, India.

Introduction: Traumatic injury to upper alveolus may result in apical displacement of the affected tooth/teeth into the underlying alveolar bone. The tooth while being driven into the socket under the upwardly directed impact force usually causes a crushing fracture of the alveolar socket bone. The tooth may also be displaced through the labial plate of bone or may even impinge upon the bud of the permanent tooth. Read More

Minerva Stomatol 2020 Jun;69(3):159-164

School of Dentistry, Department of Oral and Maxillofacial Sciences, Sapienza University, Rome, Italy.

Background: An observational case-control study was designed to retrospectively assess the association among sex, skeletal and dental variables and the and the palatal maxillary canine impaction.

Methods: The STROBE guidelines were followed. The records of 2195 subjects were analyzed. Read More

Int J Esthet Dent 2020 ;15(2):196-210

The permanent maxillary canine is the second most frequently impacted or displaced tooth. The standard treatment for an impacted canine includes, among other things, surgical exposure and orthodontic alignment. Surgical techniques for this procedure vary depending on whether the tooth is labially or palatally impacted, while orthodontic techniques vary according to clinical judgment and experience. Read More

Am J Orthod Dentofacial Orthop 2020 Jul 4;158(1):28-34. Epub 2020 May 4.

Department of Oral Health Sciences Orthodontic Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.

Introduction: Lingual displacement of the maxillary anterior teeth is 1 of the most common forms of malocclusion. The labial alveolar bone is thinner for the maxillary lateral incisor than for the central incisor and canine; however, the alveolar bone width at the actual position of the maxillary lateral incisor has not been examined. We investigated the morphologic characteristics of the alveolar bone around palatally displaced maxillary lateral incisors using cone-beam computed tomography and a split-mouth model. Read More

Head Face Med 2020 Apr 22;16(1). Epub 2020 Apr 22.

Head of Department, Department of Orthodontics, Hannover Medical School, Carl-Neuberg-Str. 1, Hannover, D-30625, Germany.

Background/objective: 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.

Materials/methods: We used the identical experimental protocol and tested (i) regular twin bracket (GAC-Twin [Dentsply]) and lingual twin bracket systems (Incognito [3M]), (ii) together with NiTi 0. Read More

Orthod Craniofac Res 2020 Aug 26;23(3):351-356. Epub 2020 Apr 26.

Department of Medicine and Surgery, University of Insubria, Varese, Italy.

Objects: Palatally displaced canines (PDC) might represent condition causing several clinical problems, such as roots resorption and malocclusion, and can develop palatal canine impaction. Some interceptive treatments such as rapid maxillary expansion were suggested in order to foster maxillary canine eruption. Among expansion protocols, no data are available about differences between rapid and slow maxillary expansion on maxillary canine eruption. Read More

Am J Orthod Dentofacial Orthop 2020 Mar;157(3):320-328

Department of Orthodontics, School of Life Dentistry at Tokyo, The Nippon Dental University, Tokyo, Japan.

Introduction: This study compared three-dimensional forces delivered to the displaced tooth and its adjacent teeth between passive self-ligation (PSL) and conventional elastic ligation (CL) in simulation of mandibular lateral incisor linguoversions.

Methods: A multisensor system was used to measure three-dimensional forces delivered to brackets attached to the mandibular left central incisor, lateral incisor, and canine (FDI tooth numbers 31, 32, and 33, respectively). Two ligation methods (PSL and CL), 3 nickel-titanium (0. Read More

J Pak Med Assoc 2020 Feb;70(Suppl 1)(2):S53-S59

Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan.

Trauma moves a tooth from its original position which needs to be repositioned for optimum healing and better outcomes. To stabilize the traumatically displaced teeth, splinting is specified as the gold standard. In this article we have discussed about various old and modern techniques based on the type of material to splint teeth with dentoalveolar trauma. Read More

Am J Orthod Dentofacial Orthop 2020 Jan;157(1):80-90

Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan.

Introduction: Incisor root resorption associated with palatally displaced canine (PDC-IRR) is an important phenomenon that might alter the orthodontic treatment plan. The aims of this study were to investigate the prevalence and characteristics of PDC-IRRs, to compare PDC-IRR and PDC-No-IRR groups, to identify predictors for PDC-IRR, and to produce a valid PDC-IRR prediction model using discriminant function analysis.

Methods: Cone-beam computed tomography images for 107 palatally displaced canines (PDCs) and 51 fully erupted nondisplaced canines (NDC) were analyzed for the presence of incisor root resorption (IRR). Read More

Eur J Orthod 2020 11;42(5):544-550

Department of Clinical Sciences and Translation Medicine, University of Rome "Tor Vergata", Rome, Italy.

Objectives: To analyse morphological variations of the palate shape and maxillary arch dimension between a group of subjects with unilaterally or bilaterally buccally impacted maxillary canines and a control group (CG) by means of 3D geometric morphometric (GMM).

Materials: Pre-treatment records of 50 subjects (16 males and 34 females; mean age 13.9 years ± 1. Read More

Am J Orthod Dentofacial Orthop 2019 Dec;156(6):808-817

Department of Oral and Maxillofacial Surgery, Deajeon Dental Hospital, Wonkwang University College of Dentistry, Daejeon, South Korea. Electronic address:

Introduction: Patients with impacted maxillary canines typically endure long treatment time, and reliable pretreatment estimates of orthodontic treatment duration would be beneficial to patients and clinicians. The purpose of this study was to identify factors that affect the duration of forced eruption for impacted maxillary canines.

Methods: Data from treatment records and radiographic scans of 27 patients with 29 impacted and labially displaced maxillary canines (25 unilateral, 2 bilateral) were collected. Read More

Indian J Otolaryngol Head Neck Surg 2019 Nov 24;71(Suppl 3):1805-1809. Epub 2017 Jul 24.

SSIMS, Davanagere, India.

Odontogenic etiology accounts for 10-12% of cases of maxillary sinusitis. Although uncommon, direct spread of dental infections into the maxillary sinus is possible due to the close relationship of the maxillary posterior teeth to the maxillary sinus. An odontogenic infection is a polymicrobial aerobic-anaerobic infection, with anaerobes out numbering the aerobes. Read More