OBJECTIVES: In this work the influence of the dimethacrylate monomer chemical structure on structural heterogeneity and physico-mechanical properties of the resulting polymer networks was investigated. Rigid aromatic dimethacrylate (Bis-GMA), triethylene glycol dimethacrylate (TEGDMA) and flexible aliphatic urethane-dimethacrylate (UDMA) were chosen for room-temperature homopolymerizations and copolymerizations induced by camphorquinone/N,N-dimethylaminoethyl methacrylate photoinitiating ...

The introduction of new techniques for endodontic procedures requires the analysis of the biomechanical behavior of dental structures. Digital speckle shearing pattern interferometry (DSSPI) is a nondestructive optical measuring technique that allows one to directly quantify deformations in teeth that are subjected to stress. DSSPI technique was applied to measure ...

Objective: The present study tested the hypotheses that: (a) a dental intervention designed to promote dental care competence in an autonomy-supportive way, relative to standard care, would positively predict perceived clinician autonomy support and patient autonomous motivation for the project, increases in autonomous motivation for dental home care, perceived dental ...

The far infrared dental porcelain slurry for fabricating artificial tooth via selective slurry extrusion (SSE) of solid freeform fabrication (also known as rapid prototyping) techniques was prepared by using tourmaline as additive and employing ball-milling approach. After characterization by transmission electron microscopy, X-ray diffraction, and Fourier transform infrared spectrometry, it ...

Objectives: This exploratory study evaluated the effectiveness of an action-control behavioral intervention on adherence to dental flossing in patients with periodontal disease. Action control, that is, monitoring one's behavior and evaluating it against a self-set standard, has been suggested as a self-regulatory strategy that can assist people who intend to ...

To describe the prevalence of dental caries in HIV-infected children on antiretroviral therapy. METHODS One hundred and four HIV positive children on antiretroviral therapy, two to fourteen year old children of both sexes were examined for dental caries. Children were divided into three groups based on the dentition: primary, mixed ...

Tooth morphogenesis requires sequential and reciprocal interactions between the cranial neural crest-derived mesenchymal cells and the stomadial epithelium, which regulate tooth morphogenesis and differentiation. We show how mesenchyme-derived single stem cell populations can be induced to transdifferentiate in vitro in a structure similar to a dental bud. The presence of ...

Anomodonts, a group of herbivorous therapsid "mammal-like reptiles," were the most abundant tetrapods of the Permian. We present a basal anomodont from South America, a new taxon that has transversally expanded palatal teeth and long saber canines. The function of the saber teeth is unknown, but probable uses include deterring ...

To cite this article: Chen G, Chen S, Zhang XY, Jiang RP, Liu Y, Shi FH, Xu TM: Stable region for maxillary dental cast superimposition in adults, studied with the aid of stable miniscrews Orthod Craniofac Res 2011;14:70-79 STRUCTURED ABSTRACT: Authors -  Chen G, Chen S, Zhang XY, Jiang RP, Liu Y, ...

Research has shown that Pan and Homo have similar ectocranial suture synostosis patterns and a similar suture ontogeny (relative timing of suture fusion during the species ontogeny). This ontogeny includes patency during and after neurocranial expansion with a delayed bony response associated with adaptation to biomechanical forces generated by mastication. ...

The purpose of this study was to assess and compare the dental health and oral hygiene status of subjects with unilateral and bilateral cleft lip and palate (BCLP). Oral and dental examinations were carried out in 98 children with cleft lip and palate and 98 unaffected subjects matching in gender ...

The HIV and AIDS have emerged as complex health threats to the world population. As future dentists, it is pertinent that the dental students have sufficient knowledge and a positive approach towards the disease. Accordingly, the aim of this study was to assess the HIV/AIDS related knowledge and attitudes amongst ...

The implantation of cultured re-associations between embryonic dental mesenchymal cells and epithelial cells from mouse molars at embryonic day 14 (ED14) allowed making full teeth with crown, root, periodontal ligament fibers, and bone. Although representing valuable tools to set up methodologies embryonic cells are not easily available. This work thus ...

Teeth develop from epithelium and neural crest-derived mesenchyme via a series of reciprocal epithelial-mesenchymal interactions. The majority of the dental papilla of the tooth has been demonstrated to be of neural crest origin. However, non-neural crest cells have also been observed in this region from the bud stage of tooth ...

The present study evaluated the effect of listening to a pictorial story about going to the dentist on pain perception, situational anxiety and behavioral feedback during dental treatment in pediatric dental patients. Eighty, 6-7-year-old children were included The childhood anxiety-related disorders using Screen for Child Anxiety Related Disorders (SCARED) Parent ...

The long-term management of hypohidrotic ectodermal dysplasia (HED) from prepuberty to adulthood often necessitates orthodontic and orthopedic treatment in conjunction with prosthodontic care. The authors present a report regarding the combined orthodontic and prosthodontic treatment of a child with HED-associated oligodontia from the ages of 10 to 18 years. The ...

Treatment of periodontal disease may reduce cardiovascular risk in the longer term, but studies have suggested a link among dental procedures, acute inflammation, and endothelial dysfunction. However, whether such acute inflammatory effects translate into a short-lived increased risk for vascular events is not known. To investigate whether invasive dental treatment ...

A previously unreported case of Barber-Say syndrome is described with special attention to dental manifestations. A 7-year-old female with multiple congenital anomalies such mammary gland hypoplasia, hypertrichosis, ectropion, and redundant skin was seen at the School of Dentistry of the University of São Paulo. Oral examination revealed macrostomia, broad alveolar ...

Cleft lip/palate (CLP) patients need an interdisciplinary team approach for optimal treatment, care and results. Evaluation of the treatment outcomes is essential to allow for identification and implementation of the highest possible standard of care. The aim of this paper is to present the less invasive methods of assessment of ...

A dental esthetic checklist form has been introduced for use in the diagnostic work-up of a patient accepted for treatment in an Advanced Education in General Dentistry program. The checklist, divided into seven basic criteria, is not a complete list of all possible categories and nuances that an esthetic restorative ...

Methods used by dental practitioners to diagnose and treat dentin hypersensitivity are not well documented. The authors conducted a survey of dentists in the Northwest Practice-based REsearch Collaborative in Evidence-based DENTistry (PRECEDENT) to ascertain the treatment methods they used. Methods. Via an Internet survey, the authors collected data regarding methods ...

The isolated absence or loss of eyelashes (madarosis) is associated with many processes including systemic and local diseases. Madarosis of dental origin has not been reported. This paper is a report of the successful treatment of unilateral eyelash loss following root canal therapy of an upper posterior tooth.

Objective To follow up 100 referrals to the sedation clinic, examining dental anxiety and background of patients, and to assess how many patients attended for treatment planning, initial treatment and how many completed treatment, and describe the characteristics of each. For those who attended for initial treatment, to investigate which ...

OBJECTIVE: Summarize current knowledge of lymphatic malformation medical, sclerotherapy, and surgical treatment; and highlight areas of treatment controversy and treatment difficulty that need improvement. METHODS: Panel presentation of various aspects of lymphatic malformation treatment. RESULTS: The mainstay of lymphatic malformation treatment has been surgical resection, which has been refined through ...

Oculodentodigital dysplasia is an extremely rare autosomal dominant pleiotropic disorder. The syndrome is characterized by abnormal facial features, central nervous system involvement, syndactyly and clinodactyly of fourth and fifth fingers, dry and lusterless hair, generalized enamel hypoplasia and odontodysplasia. Combination of odontodysplasia, poor oral hygiene, and parental neglect can lead ...

OBJECTIVE: To follow up 100 referrals to the sedation clinic, examining dental anxiety and background of patients, and to assess how many patients attended for treatment planning, initial treatment and how many completed treatment, and describe the characteristics of each. For those who attended for initial treatment, to investigate which ...

In 1720 Catherine Walpole the 16-year-old eldest daughter of Robert Walpole, later to become Prime Minister, became very ill. She was unable to eat, fainted, took fits frequently, and had a persistent pain and swelling in her side. Sir Hans Sloane, the Walpole's doctor, referred her to Dr Cheyne in ...

The treatment planning, clinical stages and construction of immediate dentures pose challenges to both dentist, dental technician and patient. In this two-part series, the various principles for successfully providing patients with immediate dentures will be discussed. This first paper examines the advantages and disadvantages, as well as the treatment planning ...

Because of their multifactorial etiologies, dental and skeletal open bites are among the most difficult malocclusions to treat to a successful and stable result. Etiologic factors include vertical maxillary excess, skeletal pattern, abnormalities in dental eruption, and tongue-thrust problems. The purpose of this article was to report the treatment of ...

Nowadays, the demand for esthetic dental treatment is fundamental and is conditioned by gender, age and level of education. The color and appearance of teeth and crowding in the anterior segment feature among the main factors governing the choice of treatment. The aim of this article is to check six ...

The aims of this study were to evaluate the effect of normative treatment need, perceived social impact of malocclusion and satisfaction with dental appearance on self-perceived treatment need, self-perceived aesthetics, and self-esteem; the influence of self-perceived need and aesthetics on self-esteem; and whether receipt of orthodontic treatment influences self-esteem. A ...

To succeed in any dental procedure, the clinician's awareness of the patient's dental anatomy and its variations is crucial. In endodontic therapy, obtaining full information about the root canals' variations can affect the outcome substantially. This case report presents the endodontic treatment of a mandibular first molar exhibiting three mesial ...

This case report describes the importance of eliminating transverse dental compensation during preoperative orthodontic treatment for a patient with severe facial asymmetry. The patient, a 17-year-old Japanese woman, had severe facial asymmetry involving the maxilla and the mandible, and extreme transverse dental compensation of the anterior and posterior teeth in ...

The treatment planning, clinical stages and construction of immediate dentures pose challenges to both dentist, dental technician and patient. In this two-part series, the various principles for successfully providing patients with immediate dentures will be discussed. This first paper examines the advantages and disadvantages, as well as the treatment planning ...

It is now established that orthodontic treatment increases the risk of carious lesions, with consequent harm to the patient and a high risk of compromising treatment outcome. This risk is related to the appliances, which increase the number of sites where plaque can accumulate as well as to changes in ...

OBJECTIVES: To investigate public awareness and the social acceptability of dental treatment provided by dental therapists in the UK. METHOD: A telephone survey of a representative quota sample of 1,000 UK adults. RESULTS: 10.4% of participants were aware of dental therapists as a professional group, of whom none correctly identified ...

A 12-week-old kitten was presented for symphyseal separation, comminuted rostral fractures of the mandibles, avulsion of the mandibular lip, andfractured teeth. Oral examination and intraoral dental radiographs demonstrated a mandibular symphyseal separation and the presence of developing tooth buds. Cerclage wire was placed circumferentially around the mandibles for 2-weeks to ...

The present study was primarily carried out to assess the severity of malocclusion and treatment needs of 14- to 15-year-old schoolchildren of Bangalore, India, using the Dental Aesthetic Index (DAI) and to correlate them with the subjective perception of aesthetics, function, speech and treatment needs. A total of 1618 students ...

For many intraoral soft-tissue surgical procedures the laser has become a desirable and dependable alternative to traditional scalpel surgery. However, the use of dental lasers in periodontal therapy is controversial. This article presents the current peer-reviewed evidence on the use of dental lasers for the treatment of chronic periodontitis.

Bilateral CLP interferes with both facial and dental development. Surgical and orthodontic treatments help in optimizing facial and dental appearance. In order to improve the quality of treatment one of the keys is to evaluate the physical outcome. The aim of the present study was to evaluate the longitudinal treatment ...

Fluorosis has been reported way back in 1901. The treatment options for fluorosis are varied depending upon individual cases. This article comes from Madurai in India where its surrounding towns are fluorosis-prone zones. The purpose of this article is to report various treatment options available for dental fluorosis; this is ...

The leukemias are the most common form of childhood malignancy. The pediatric dental professional plays a major role in the prevention, stabilization and treatment of the oral and dental problems that can compromise the child's health and quality of life before, during and after the cancer treatment. This manuscript highlights ...

BACKGROUND: Various treatment options for the prosthetic treatment of jaws where all molars are lost are under discussion. Besides the placement of implants, two main treatment types can be distinguished: replacement of the missing molars with removable dental prostheses and non-replacement of the molars, i.e. preservation of the shortened dental ...

Pneumomediastinum with subcutaneous emphysema is a relatively rare complication of dental treatment. The most common dental etiology of this complication is the introduction of air via the air-turbine handpiece during surgical extraction of an impacted tooth, but this complication is very rare after nonsurgical endodontic treatment. We report herein 2 ...

OBJECTIVE: To identify the socio-economic, demographic and behavioural determinants of dental treatment needs of those aged 65 and over in the Republic of Ireland. DESIGN: The treatment needs data is based on detailed clinical oral examinations in the NSAOH carried out between October 2000 and June 2002. To determine factors ...

Rubber dam has been available to the dental profession for over 140 years. During this time, the use of rubber dam has been perfected, universally taught and recommended by professional organizations. Unfortunately, its consistent use has been rejected by many in the profession. The literature suggests that rubber dam is ...

This study investigates the relationship between dental aesthetics and orthodontic treatment complexity and need in a group of patients with sickle-cell anemia (SCA) in Nigeria. The study sample consisted of 176 individuals - 77 (43.8%) male and 99 (56.3%) female subjects with SCA (aged 10 to 35 years) who were ...

Many musculoskeletal disorders are work-related. For the success of treatment, it is essential to promptly recognize these cases and introduce a specific intervention able to act on the causes. In Literature many activities predisposing workers to incorrect posture and long maintained attitudes are highlighted. The professionals involved in dental hygiene ...

OBJECTIVE: Our goal was to compare the in vivo biocompatibility of dental root surfaces submitted to four different treatments after tooth avulsion followed by implantation into rat subcutaneous tissue. BACKGROUND DATA: Dental root surface preparation prior to replanting teeth remains a challenge for endodontists. Root surface changes made by Nd:YAG ...

OBJECTIVE: To evaluate the dental treatment provided over one year to serving personnel and new entrants in the New Zealand Defence Force (NZDF). METHOD: Dental treatment data from 4,380 personnel in the 12 months following their last annual dental examination were retrieved and evaluated from electronic data archives. These included ...