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F Hernández-Alfaro, M J Nieto, V Ruiz-Magaz, A Valls-Ontañón, I Méndez-Manjón, R Guijarro-Martínez
Increasing experience with alternative timing protocols in orthognathic surgery has given way to new surgical and orthodontic techniques to shorten treatment times, reduce biological costs, and improve the final outcome. A prospective evaluation of class III patients who received an inferior segmental osteotomy (ISO) for decompensation of significantly retroclined lower incisors in the context of 'surgery-first' (SF) or 'surgery-early' (SE) timing protocols was performed. Treatment was planned virtually. A thorough periodontal assessment was performed at baseline and periodically until debonding...
October 22, 2016: International Journal of Oral and Maxillofacial Surgery
Leonardo Koerich, André Weissheimer, Luciane Macedo de Menezes, Steven J Lindauer
OBJECTIVE: To evaluate the precision and reproducibility of a protocol to perform rapid voxel-based superimposition of the mandible in growing patients using CBCT. MATERIALS AND METHODS: The sample comprised two cone-beam computed tomography scans taken at least 1 year apart from each of 24 growing patients. Voxel-based superimposition was performed by two examiners independently. The internal part of the symphysis extending to the first molar was used as the reference...
October 21, 2016: Angle Orthodontist
Aurelia Zelderloo, Maria Cadenas de Llano-Pérula, Anna Verdonck, Steffen Fieuws, Guy Willems
OBJECTIVE: To assess the dental, skeletal, and profile changes after functional appliances and subsequent fixed appliances treatment in order to quantify their effect and evaluate the influence of initial incisal inclination and growth pattern. MATERIALS AND METHODS: A retrospective cephalometric analysis was performed in 125 patients (77 females and 48 males). Three lateral cephalograms per patient were available: before treatment (T0, mean age 11.9 years), after functional treatment (T1, mean age 12...
October 14, 2016: European Journal of Orthodontics
Shin Saeng Lim, Beomseok Lee, In Sook Kim, Soon Jung Hwang
OBJECTIVES: Osteonecrosis of the jaw has been increasing after dentoalveolar surgery in patients treated with an antiresorptive bisphosphonate (BP), especially strong zoledronate (ZA). The pathophysiology underlying why osteonecrosis occurs exclusively in the jaw bone remains unclear. This study investigated skeletal site-specific bone healing during the use of BPs to explore the preferential incidence of osteonecrosis of the jaw bone. STUDY DESIGN: Extraction of mandibular molar and creation of a tibia defect were performed in rats 2 weeks after weekly intravenous injections with the potent ZA and the weaker BP etidronate...
August 18, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Michael Mah, Kenji Takada
INTRODUCTION: When the mandibular permanent second molar becomes impacted, it is identified as a malocclusion that needs treatment as it often leads to unwanted complications such as caries and periodontitis of the adjacent permanent first molar. Other less common complications include root resorption of the adjacent first molar root or continued root development to be in close proximity to the inferior dental alveolar nerve. MATERIALS AND METHODS: This paper seeks to differentiate various levels of severity of impaction and review treatment options that are considered clinically available for the proper management of the impacted mandibular permanent second molar...
September 2016: L' Orthodontie Française
Kélei Cristina de Mathias Almeida, Ricardo Fabris Paulin, Taísa Barnabé Raveli, Dirceu Barnabé Raveli, Ary Santos-Pinto
The aim of this article is to describe a case report of Class III malocclusion treatment with lower first molar extraction. The 27-year-old Caucasian male patient presented a symmetric face with a straight profile, hyperdivergent growth pattern, molar and cuspid Class III relation, and an anterior crossbite as well as a mild crowding on cuspids area, in both upper and lower arches and a tendency to posterior crossbite. The treatment was performed by the use of Haas expansion appliance followed by an initial alignment and leveling of the upper and lower arches with a fixed edgewise appliance, extraction of lower teeth aiming the correction of the incisors proclination and end the treatment with a Class I molar relationship...
2016: Case Reports in Dentistry
Luis Ernesto Arriola-Guillén, Aron Aliaga-Del Castillo, Carlos Flores-Mir
BACKGROUND: The aim of this study was to determine the effect of the maxillary posterior dentoalveolar discrepancy (MPDD) on the angulation of maxillary molars in open bite subjects. METHODS: Pre-treatment lateral cephalograms of 90 young adults with skeletal open bite were examined. The sample initially included six groups categorized according to MPDD condition (present or absent) and sagittal skeletal facial growth patterns (classes I, II, or III). Then, the sample was separated into two groups according to MPDD (present = 50, absent = 40)...
December 2016: Progress in Orthodontics
Hyo-Won Ahn, Dong-Hwi Seo, Seong-Hun Kim, Young-Guk Park, Kyu-Rhim Chung, Gerald Nelson
INTRODUCTION: Our aim in this study was to evaluate the effect of augmented corticotomy on the decompensation pattern of mandibular anterior teeth, alveolar bone, and surrounding periodontal tissues during presurgical orthodontic treatment. METHODS: Thirty skeletal Class III adult patients were divided into 2 groups according to the application of augmented corticotomy labial to the anterior mandibular roots: experimental group (with augmented corticotomy, n = 15) and control group (without augmented corticotomy, n = 15)...
October 2016: American Journal of Orthodontics and Dentofacial Orthopedics
Yanhua Xu, Jiye Xie
OBJECTIVE: To compare the treatment effects of mini-implants as anchor units with conventional methods of anchorage reinforcement in maxillary dentoalveolar protrusion patients in terms of skeletal, dental, and soft tissue changes. MATERIALS AND METHODS: We searched the databases of the Cochrane Library, PubMed, OVIDSP, CBM, VIP, WanFang Data, and CNKI covering December 1966 to March 2016 for randomized controlled trials (RCTs) and clinical controlled trials that compared the treatment effects of mini-implants with conventional anchorage reinforcement in maxillary dentoalveolar protrusion patients...
September 29, 2016: Angle Orthodontist
Pravinkumar S Marure, Raju Umaji Patil, Sumitra Reddy, Amit Prakash, Nillachandra Kshetrimayum, Rajeevkumar Shukla
BACKGROUND: A common strategy to correct Class II malocclusions using a nonextraction protocol in children is to move the maxillary molars distally using molar distalization appliances, which usually derive their anchorage from maxillary premolars, causing mesialization of premolars and protrusion of incisors. OBJECTIVES: To evaluate the skeletal, dental and soft tissue changes produced by three different distalizing appliances, namely, pendulum, K-loop, and distal jet appliances...
October 2016: Journal of the Indian Society of Pedodontics and Preventive Dentistry
Zafar Ul Islam, Attiya Jawaid Shaikh, Mubassar Fida
OBJECTIVE: To determine and compare the mean dentoalveolar heights (mm) in different vertical and sagittal facial patterns. STUDY DESIGN: Cross-sectional study. PLACE AND DURATION OF STUDY: Orthodontics Clinic, The Aga Khan University Hospital, Karachi, from September to November 2013. METHODOLOGY: Subjects, aged 15 - 20 years, having fully erupted first permanent molars and central incisors were included in the study from orthodontic records...
September 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
T Jovic, A Pavlic, S Varga, D Kovacevic Pavicic, M Slaj, S Spalj
OBJECTIVES: The observational study investigated whether women's perception of the facial profile is related to changes in sex hormones during the menstrual cycle and under the influence of personality traits. SETTING AND SAMPLE POPULATION: Participants were heterosexual Caucasian normally menstruating women not using oral contraceptives (N = 30, aged 20-44 years). MATERIAL AND METHODS: The profile attractiveness was assessed by grading of thirteen men's and women's Caucasian profile distortions by a visual analogue scale (0 = least to 100 = most attractive) in the non-ovulating phase and ovulating phase of the menstrual cycle...
November 2016: Orthodontics & Craniofacial Research
Dong Hwi Kim, Ji Sung Lee, Sung Woon Pyo, Jung Ho Lee
Facial necrotizing fasciitis (NF) is a rare fulminant infection of the soft and connective tissues that spreads along the fascial planes of the face. Its origins most commonly involve odontogenic infection and it is usually associated with a history of dentoalveolar surgery, such as tooth extraction or implant placement. We present a case of ascending facial NF with odontogenic origin in a patient taking a bisphosphonate.
August 24, 2016: Journal of Oral and Maxillofacial Surgery
Youngjune Jang, Hyoung-Taek Hong, Heoung-Jae Chun, Byoung-Duck Roh
INTRODUCTION: Dentoalveolar ankylosis necessarily accompanies the loss of periodontal ligament (PDL), which might alter the biomechanical response of the tooth. The purpose of this study was to investigate the influence of dentoalveolar ankylosis on a single-rooted tooth and the surrounding alveolar bone structures in the biomechanical standpoint. METHODS: A basic model of an intact maxillary central incisor and the surrounding bone structures was chosen for the numeric analysis...
September 7, 2016: Journal of Endodontics
N B Nagaveni, K V Umashankara
Traumatic injuries to maxillary anterior teeth are a common finding in children because of falls while playing. Sequelae of trauma to dental hard tissue include broken, lost, aspirated and swallowed teeth. One additional hazard is the embedding of fractured tooth fragments in the soft tissues, particularly in the lip. A 10-year-old male patient complained of pain in the lower lip. There was a history of trauma to the upper anterior tooth 10 months previously. Clinical examination showed scarring and discoloration over the lower lip, and the presence of a hard mass was felt on palpation...
2014: Burns and trauma
Arezoo Jahanbin, Mozhgan Kazemian, Iman Saeedi-Pouya, Neda Eslami, Hooman Shafaee
INTRODUCTION: Treatment of cleft lip and palate patients requires a multidisciplinary plan. These patients usually have a hypoplastic maxilla due to the prior surgical scars. Orthognathic surgery to advance the maxilla in these patients is not very efficient; therefore, orthopedic interventions during an appropriate age seems to be essential. CASE REPORT: In this article, two cleft lip and palate patients have been treated with Class III elastics anchored to the maxillary posterior and mandibular anterior miniplates in order to induce maxillary advancement...
July 2016: Iranian Journal of Otorhinolaryngology
Thiago Slaviero, Thais Maria Freire Fernandes, Paula Vanessa Pedron Oltramari-Navarro, Ana Claudia de Castro Ferreira Conti, Marcelo Lupion Poleti, Marcio Rodrigues de Almeida
OBJECTIVE: To evaluate the dimensional changes of dental arches on digital models of open bite treatment with fixed and removable palatal cribs. MATERIALS AND METHODS: The sample comprised 41 patients of both sexes who were white, aged 7-10 years, and who had mixed dentition, Angle Class I molar relationship, and a negative overbite of at least 1 mm. The sample was randomly divided into two groups: G1, fixed palatal crib; and G2, removable palatal crib. Cast models, obtained initially (T1) and after 1 year of treatment (T2), were scanned by a three-dimensional (3D) scanner, 3Shape R700, producing a 3D image...
September 6, 2016: Angle Orthodontist
Amro H Husson, Ahmad S Burhan, Fadwa B Salma, Fehmieh R Nawaya
AIMS: The aim of this randomized controlled trial was to compare the skeletal and dentoalveolar effects of the modified tandem appliance (MTA) vs the facemask (FM) with rapid maxillary expansion. MATERIALS AND METHODS: Thirty-two patients, aged 7 to 9 years were recruited. Eligibility criteria included skeletal class III malocclusion that resulted from the retrusion of the maxilla. Randomization was accomplished to divide the sample into two equal groups to be treated with either MTA or FM...
2016: Journal of Contemporary Dental Practice
Tulika Tripathi, Priyank Rai, Navneet Singh, Shilpa Kalra
OBJECTIVE: To cephalometrically evaluate and compare the skeletal, dentoalveolar, and soft tissue changes after maxillary protraction with skeletally anchored and conventional facemask. METHODS: The data for the study were collected from the pre- and post-treatment records of patients of maxillary retrusion treated with skeletally anchored and conventional facemask therapy. Twenty subjects were included in the study and were categorized into two groups, namely skeletal anchored maxillary protraction (SAMP) group with the mean age of 10...
July 2016: Journal of Orthodontic Science
Levent Vahdettin, Seçil Aksoy, Ulaş Öz, Kaan Orhan
BACKGROUND/AIM: The aim of this study was to create a database of 3D cephalometric measurements of Turkish Cypriot patients using a 3D rendering software program. MATERIALS AND METHODS: The study population comprised 121 subjects who had undergone cone beam CT imaging (CBCT). Invivo 5.1 software was used to generate cephalograms from the CBCT dataset that were then linked to the 3D hard-tissue surface representations. In total, 38 angular and 28 linear widely used measurements were recorded...
2016: Turkish Journal of Medical Sciences
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