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alveolar bone anomalies

Kengo Nakajima, Ryo Kunimatsu, Kazuyo Ando, Toshinori Ando, Yoko Hayashi, Takuya Kihara, Tomoka Hiraki, Yuji Tsuka, Takaharu Abe, Masato Kaku, Hiroki Nikawa, Takashi Takata, Kazuo Tanne, Kotaro Tanimoto
Cleft lip and palate is the most common congenital anomaly in the orofacial region. Autogenous iliac bone graft, in general, has been employed for closing the bone defect at the alveolar cleft. However, such iliac bone graft provides patients with substantial surgical and psychological invasions. Consequently, development of a less invasive method has been highly anticipated. Stem cells from human exfoliated deciduous teeth (SHED) are a major candidate for playing a significant role in tissue engineering and regenerative medicine...
February 22, 2018: Biochemical and Biophysical Research Communications
Konstantinos Karamesinis, Efthimia K Basdra
Jaw discrepancies and malrelations affect a large proportion of the general population and their treatment is of utmost significance for individuals' health and quality of life. The aim of their therapy is the modification of aberrant jaw development mainly by targeting the growth potential of the mandibular condyle through its cartilage, and the architectural shape of alveolar bone through a suture type of structure, the periodontal ligament. This targeted treatment is achieved via external mechanical force application by using a wide variety of intraoral and extraoral appliances...
February 14, 2018: Biochimica et Biophysica Acta
Michele Alves Garcia, Marilia Yatabe, Thais Ustulin Fuzer, Adriana Maria Calvo, Ivy Kiemle Trindade-Suedam
OBJECTIVE: To compare the bone morphology after secondary alveolar bone graft surgery (SABG) performed before and after permanent canine eruption. DESIGN: Cross-sectional study. SETTING: Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo, Bauru, SP, Brazil. PATIENTS: 25 cone-beam computed tomography (CBCT) scans of complete unilateral cleft lip and palate (CLP) individuals who underwent SABG before or after eruption of the permanent canine taken 2 and 6 months (T1 and T2) after SAGB, resulting in 50 CBCT scans...
March 2018: Cleft Palate-craniofacial Journal
A Bloch-Zupan, F Vaysse
Dental anomalies exist in every subtype of hypophosphatasia (HPP), from the most severe to the most moderate, called odontohypophosphatasia. The forms are defined by the age at onset of the initial symptoms. These anomalies affect all dental mineralized tissues from enamel, dentin and cementum to alveolar bone in a gradient proportional to the severity of the disease. Early loss of the deciduous teeth, before 3 years of age, and then possibly of the permanent teeth, is due to an abnormality of the cementum, the tissue attaching the teeth to alveolar bone, and is the most frequent abnormality...
May 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
Ji-Myung Bae, John C Clarke, Harunur Rashid, Mitra D Adhami, Kayla McCullough, Jordan S Scott, Haiyan Chen, Krishna M Sinha, Benoit de Crombrugghe, Amjad Javed
The Sp7/Osterix transcription factor is essential for bone development. Mutations of Sp7 gene in humans are associated with craniofacial anomalies and osteogenesis imperfecta. However, the role of Sp7 in embryonic tooth development remains unknown. Here we identified the functional requirement of Sp7 for dentin synthesis and tooth development. Sp7-null mice exhibit craniofacial dysmorphogenesis and are completely void of alveolar bone. Surprisingly, initial tooth morphogenesis progressed normally in Sp7-null mice...
February 5, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
V Akinmoladun, S Ademola, A Olusanya
BACKGROUND: Clefts of the lip and/or palate are the most common congenital craniofacial defects and second only to club foot among all congenital anomalies. The management of this condition is resource intensive due to the multidimensional needs. This survey was carried out to ascertain the current state of cleft management in Nigeria with emphasis on training, scope of management, and assessment of treatment outcome. MATERIALS AND METHODS: Structured questionnaires were administered to cleft surgeons based on professional and practitioners' register and the result of literature search for cleft surgeons whose names may not appear in the registers...
November 2017: Nigerian Journal of Clinical Practice
Lisa J McReynolds, Sharon A Savage
The clinical manifestations of inherited susceptibility to leukemia encompass a wide phenotypic range, including patients with certain congenital anomalies or early-onset myelodysplastic syndrome (MDS) and some with no obvious medical problems until they develop leukemia. Leukemia susceptibility syndromes occur as a result of autosomal dominant, autosomal recessive, or X-linked recessive inheritance, or de novo occurrence, of germline pathogenic variants in DNA repair, ribosome biogenesis, telomere biology, hematopoietic transcription factors, tumor suppressors, and other critical cellular processes...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
D Patel, N Patel, P A Brennan, J Kwok
Cleidocranial dysplasia is a hereditary congenital disorder that results in delayed ossification of midline structures, and is caused by mutations in the RunX2 (runt-related transcription factor 2) gene located on the short arm of chromosome 6. Successful treatment depends on multidisciplinary assessment and a comprehensive staged treatment plan. We present a case series of 12 patients who were managed with a specifically tailored combination of surgery, orthodontics, and prosthodontics to provide a functional dentition and restore their smile and facial contour...
November 2017: British Journal of Oral & Maxillofacial Surgery
Hillary E Jenny, Benjamin B Massenburg, Saurabh Saluja, John G Meara, Mark G Shrime, Nivaldo Alonso
Providing surgical repair for congenital anomalies such as cleft lip and palate (CLP) can be challenging in low- and middle-income countries. One nonprofit organization seeks to address this need through a partnership model. This model provides long-term aid on multiple levels: surgeon and healthcare provider education, community outreach, and funding. The authors examined the effectiveness of this partnership model in providing CLP care and increasing cleft care capacity over time. This organization maintains data on each partner and procedure and collected data on hospital and patient characteristics through voluntary partner surveys from 2010 to 2014...
October 2017: Journal of Craniofacial Surgery
Valentino Vellone, Giulio Cirignaco, Bruno Cavarretta, Piero Cascone
PURPOSE: The aim of this article is to analyze dental abnormalities in unilateral cleft lip and palate patients by focusing on the role of the secondary alveolar bone graft (SABG) surgery and its outcomes on canine eruption/inclusion. MATERIALS AND METHODS: A sample of 24 patients with unilateral cleft lip and palate were selected.Dental anomalies, canine eruption based on the existence of supernumeraries, agenesis elements, inclination of the major canine axis before and after surgery, distance from the occlusal plane before and after surgery, and sector classification were analyzed...
July 2017: Journal of Craniofacial Surgery
Y Zhan, H Liu
Tooth eruption is defined as the movement of a tooth from its site of development within the alveolar process to its functional position in the oral cavity. The process of tooth eruption can be divided into different phases: pre-eruptive bone stage, alveolar bone stage, mucosal stage, preocclusal stage, occlusal stage and maturation stage. Any disturbance in these phases can lead to eruptive anomalies. The incidence of unerupted teeth is usually higher among permanent teeth than among deciduous ones. Of the primary teeth reported as unerupted, second deciduous molars are the teeth most frequently involved, followed by primary central incisors...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Nuray Yilmaz Altintas, Serdar Kilic, Subutay Han Altintas
Down syndrome, known as trisomy 21, is the most common chromosomal disorder. The disorder affects mental and systemic development as well as oral structure, including dental anomalies, high susceptibility of periodontal disease, and poor quality of alveolar bone. This report presents a case of dental rehabilitation by means of dental implants of a patient with Down syndrome. Two titanium dental implants were placed in the maxilla, and three titanium dental implants were installed in the mandible. One implant was lost during the osseointegration period...
January 24, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
Goran Stojkovic, Miodrag Stojkovic, Jasna Stojkovic, Dejan Nikolic, Zoran Stajcic
AIM: Surgical and orthodontic treatment of a teenage cleft patient. CASE REPORT: Authors describe the case of a 13 year old female cleft patient presented with class III malocclusion RESULT: The patient underwent comprehensive surgical secondary bone grafting and orthodontic treatment. Stable skeletal and occlusal class I relationship was achived and maintained in the post treatment observation period till the age of 16. DISCUSSION: Although several authors suggests primary gingivoperiosteoplasty, other advocates that such early intervention can cause later restrictions in maxillary growth...
December 19, 2016: Annali Italiani di Chirurgia
Roberto Pippi, Marcello Santoro, Ferdinando D'Ambrosio
OBJECTIVE: Cone-beam computed tomography (CBCT) has been proposed in surgical planning of lower third molar extraction. The aim of the present study was to assess the reliability of CBCT in defining third molar root morphology and its spatial relationships with the inferior alveolar nerve (IAN). MATERIALS AND METHODS: Intraoperative and radiographic variables of 74 lower third molars were retrospectively analyzed. Intraoperative variables included IAN exposure, number of roots, root morphology of extracted third molars, and presence/absence of IAN impression on the root surface...
October 2016: European Journal of Dentistry
Jong Woo Choi, Woo Shik Jeong, Soon Man Kwon, Kyung S Koh
OBJECTIVE: Median facial dysplasia is a distinct development anomaly of the craniofacial region that is characterized by deficient mid facial structures. Medial femoral condyle free flap could be used as a bony flap, and the unique characteristics of this flap provide the surgeons with the periosteal component as well. In this work, the authors present our experience with a patient of median facial dysplasia with unilateral cleft lip, cleft palate, and premaxillary deficiency. METHODS: The patient was diagnosed with median facial dysplasia accompanied by unilateral cleft lip, cleft palate, and premaxillary...
January 2017: Journal of Craniofacial Surgery
Kyung S Koh, Do Yeon Kim, Tae Suk Oh
BACKGROUND: Median cleft lip is a rare anomaly consisting of a midline vertical cleft through the upper lip. It can also involve the premaxillary bone, the nasal septum, and the central nervous system. In our current report, we present the clinical features of 6 patients with a median cleft lip and their surgical management according to the accompanying anomalies. METHODS: From December 2010 to January 2014, 6 patients with a median cleft lip were reviewed. Five of these cases underwent surgical correction; alveolar bone grafting was performed in a patient with a median alveolar cleft...
May 2016: Archives of Plastic Surgery
Katherine Hixon, Lindsey Rhea, Jennifer Standley, Frank J Canady, John W Canady, Martine Dunnwald
OBJECTIVE:   Interferon Regulatory Factor 6 (IRF6) is critical for craniofacial development, epidermal differentiation, and tissue repair. IRF6 mutations cause Van der Woude Syndrome (VWS) and Popliteal Pterygium Syndrome. Individuals with VWS exhibit craniofacial anomalies, including cleft lip and palate and lip pits. Furthermore, they have an increased risk for wound-healing complications following surgical repair when compared with patients with nonsyndromic cleft lip and palate (NSCLP)...
May 2017: Cleft Palate-craniofacial Journal
Fatima Jabbari, Erika Reiser, Andreas Thor, Malin Hakelius, Daniel Nowinski
Objective To determine in individuals with unilateral cleft lip and palate the correlation between initial cleft size and dental anomalies, and the outcome of alveolar bone grafting. Methods A total of 67 consecutive patients with non-syndromic unilateral complete cleft lip and palate (UCLP) were included from the cleft lip and palate-craniofacial center, Uppsala University Hospital, Sweden. All patients were operated by the same surgeon and treated according to the Uppsala protocol entailing: lip plasty at 3 months, soft palate closure at 6 months, closure of the residual cleft in the hard palate at 2 years of age, and secondary alveolar bone grafting (SABG) prior to the eruption of the permanent canine...
2016: Upsala Journal of Medical Sciences
Monique Raberin, Caroline Diesmusch, Marie-Pierre Cordier, Jean-Christophe Farges
Primary failure of eruption is a rare condition marked by non-eruption of the posterior teeth due to mutation of a gene responsible for tooth eruption. Today, this anomaly can be detected early using innovative 3D-imaging techniques. Genetic and histologic testing will confirm the diagnosis and unfavorable prognosis. Alveolar growth must be followed in other areas too in order to avoid structural and functional asymmetry. An analysis of the diagnostic and therapeutic options using bone-borne anchorage is presented via the long-term monitoring of a female patient presenting primary failure of eruption linked to mutation of the PTHR1 gene...
September 2015: L' Orthodontie Française
Sigmar Schnutenhaus, Ralph G Luthardt, Heike Rudolph, Werner Götz
OBJECTIVES: Cleidocranial dysplasia (CCD) is a rare congenital malformation syndrome, inherited autosomal-dominantly. During a course of treatment including surgical, implantological and restorative procedures, an opportunity arose to histologically examine biopsies of the maxilla and mandible of a CCD patient 47 years of age. CASE REPORT: The aim of this case report is to present the results of the histological evaluation of the alveolar bone and the surgical pretreatment for and placement of six implants each in the maxilla and the mandible...
2015: International Journal of Clinical and Experimental Pathology
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