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General Dentistry

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https://www.readbyqxmd.com/read/28475096/intrusive-luxation-of-an-immature-permanent-incisor-a-10-year-follow-up
#1
Larissa Christina Costa Pinto, Leonardo Santos Antunes, Maria Isabel Bastos Valente, Michele Lenzi, LÍvia Azeredo Alves Antunes, Cinthya Cristina Gomes
Intrusive luxation in the permanent dentition is rare and considered the most severe form of dental trauma. Intrusion is characterized by the axial displacement of the tooth into the alveolar bone. It normally affects pulpal vitality and the periodontal ligament. The most common forms of treatment are waiting for spontaneous reeruption, repositioning with orthodontic procedures, or immediate surgical repositioning. A well-planned approach to the treatment of an intrusive luxation is necessary to obtain a successful result...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475095/functional-and-esthetic-rehabilitation-of-a-child-with-amelogenesis-imperfecta-a-case-report
#2
Carmem Dolores Vilarinho Soares de Moura, Alessandra Silva Pontes, Teresinha Soares Pereira Lopes, Lúcia Fátima Almeida de Deus Moura, Marina Deus Moura de Lima
Amelogenesis imperfecta (AI) is a tooth disorder characterized by the abnormal development of the enamel in response to mutations in the genes involved in amelogenesis. The objective of this article is to present the clinical case of a child with AI in the primary dentition phase. A 4-year-old boy was presented to a clinic by his mother, who complained that her son's smile esthetics were compromised by "weak and yellow teeth." All the teeth showed yellowish discoloration as well as crumbling or missing enamel...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475094/adaptation-of-gutta-percha-to-oval-canals-a-cone-beam-computed-tomographic-analysis
#3
Rafaela Andrade de Vasconcelos, Carlos Henrique Ribeiro Camargo, Bruno Neves Cavalcanti, Luiz Roberto Coutinho Manhães-Jr, Simone Helena Ferreira Gonçalves
This study evaluated the influence of different instrumentation techniques on the adaptation of gutta percha cones in oval-shaped root canals. A total of 90 human single-rooted teeth were divided into groups according to the instrumentation technique that was used: group M, manual; group OM, hybrid: oscillatory plus manual; group PT, rotary (ProTaper Universal); group OPT, hybrid: oscillatory plus rotary (ProTaper Universal); group MT, rotary (Mtwo); and group OMT, hybrid: oscillatory plus rotary (Mtwo). After a single gutta percha cone was adapted to the canal, cone beam computed tomography was utilized to perform assessments at areas of greater contact of gutta percha to root canal walls...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475093/traumatic-periapical-lesion-only-identified-through-cone-beam-computed-tomography-a-case-report
#4
Leopoldo Cosme-Silva, Ana Flávia Oliveira Marcos, Júlia Fernandes Ferreira, João Eduardo Gomes Filho, Naiana Viana Viola
This case report describes the diagnosis of a traumatic periapical lesion, caused by parafunctional habits (bruxism) and associated with bone rarefaction, that had not been identified by periapical radiography. Slight edema was observed clinically at the apical region of the maxillary left canine; however, the tooth demonstrated only physiologic mobility, and the results of a pulpal sensitivity test were inconclusive. A cone beam computed tomogram (CBCT) showed the presence of a periapical lesion. After preparation of the root canal, intracanal medication (calcium hydroxide and paramonochlorophenol) was placed and changed once a month for 2 months...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475092/technological-advances-in-endodontics-treatment-of-a-mandibular-molar-with-internal-root-resorption-using-a-reciprocating-single-file-system
#5
Samir Noronha de Souza, André Augusto Franco Marques, EmÍlio Carlos Sponchiado-Júnior, Lucas da Fonseca Roberti Garcia, Matheus Franco da Frota, Fredson Márcio Acris de Carvalho
The field of endodontics has become increasingly successful due to technological advances that allow clinicians to solve clinical cases that would have been problematic a few years ago. Despite such advances, endodontic treatment of teeth with internal root resorption remains challenging. This article presents a clinical case in which a reciprocating single-file system was used for endodontic treatment of a mandibular molar with internal root resorption. Radiographic examination revealed the presence of internal root resorption in the distobuccal root canal of the mandibular right first molar...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475091/relative-positional-change-of-a-dental-implant-in-the-esthetic-zone-after-12-years-a-case-report
#6
Maria Aparecida Neves Jardini, Camila Lopes Ferreira, Weber José Ursi, Antonio Braulino de Melo Filho, Mauro Pedrine Santamaria
Although the biological process of osseointegration is similar in adults and adolescents, implant placement is contraindicated in young patients until bone growth is complete. However, even in adults, significant craniofacial changes may occur over an individual's lifetime, as a result of discrete and continuous dental eruption, vertical soft tissue augmentation, or facial bone growth. After such changes, implants may be in infraocclusion. The present case report describes the long-term follow-up of a dental implant located in the esthetic zone...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475090/combination-of-centripetal-and-successive-layering-techniques-for-a-stress-reduced-posterior-direct-composite-restoration
#7
Mario F Romero, Fernando Haddock, Megan Todd
Due to the increased predictability of current bonding procedures and the improved properties of today's composite materials, large Class II and cuspal build-up direct composite resin restorations are routinely performed. Biological considerations and the stress associated with polymerization shrinkage are key factors that need to be considered during the treatment planning phase. This article demonstrates a combination of concepts and techniques to reduce the stress associated with polymerization shrinkage in large restorations, thus potentially improving the longevity of the restoration...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475089/effect-of-high-or-low-concentration-bleaching-agents-containing-calcium-and-or-fluoride-on-enamel-microhardness
#8
Isabella Spinardi Furlan, Enrico Coser Bridi, Flávia Lucisano Botelho do Amaral, Fabiana Mantovani Gomes França, Cecilia Pedroso Turssi, Roberta Tarkany Basting
The aim of this in vitro study was to evaluate enamel microhardness following bleaching treatments using either high- or low-concentration hydrogen peroxide (HP) agents containing calcium and/or fluoride. Sixty enamel blocks were bleached with 1 of 6 different bleaching agents (n = 10). The high-concentration HP agents were Whiteness HP Maxx (35% HP), Whiteness HP Blue (35% HP, 2% calcium gluconate), Pola Office+ (37.5% HP, 5% potassium nitrate), and Opalescence Boost (38% HP, 1.1% fluoride ion, 3% potassium nitrate)...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475088/rare-sequelae-in-the-permanent-successor-due-to-trauma-in-the-primary-incisor-a-case-report
#9
Juliana Sayuri Kimura, Isabela Capparelli Cadioli, Daniela Mazzotti Bressan Alves, Cássio José Fornazari Alencar, Ricardo De Nardi Fonoff, Marcia Turolla Wanderley
Severe dental trauma-such as intrusion or avulsion-to the primary dentition in infants and toddlers may cause developmental disturbances in the permanent successor. In this case, a 9-year-old boy was referred for treatment due to the absence of his permanent maxillary right central incisor. The mother reported avulsion of the corresponding primary tooth when the patient was 2 years old. The radiographic examination revealed impaction and root dilaceration of the permanent tooth; therefore, the treatment plan was tooth extraction...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475087/small-palatal-swelling-an-uncommon-presentation-of-intraoral-schwannoma
#10
Luiz Alcino Gueiros, Andreza Barkokebas, Alessandra Tavares Carvalho, Jair Carneiro Leão
Schwannomas are uncommon benign tumors arising in the nerve-supporting Schwann cells. Intraoral lesions usually present in the tongue or floor of the mouth as a submucosal nodule, while the palate is rarely affected. A 26-year-old white man presented with an asymptomatic submucosal fibroelastic nodule in the hard palate. The 2 × 2-cm lesion was covered by normal-appearing mucosa. Under the working diagnosis of minor salivary gland tumor, an incisional biopsy was performed, and analysis revealed an encapsulated tumor with a well-defined biphasic pattern: hypercellular areas with spindled cells arranged in palisades and less cellular areas formed by irregular arranged masses of elongated cells and fibers...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475086/timing-of-soft-tissue-management-around-dental-implants-a-suggested-protocol
#11
Mahdi Kadkhodazadeh, Reza Amid, Mehdi Ekhlasmand Kermani, Mahdieh Mirakhori, Sepanta Hosseinpour
Survival of dental implants depends on several factors; soft tissue (ST) management around dental implants is one of the foremost. Several studies have suggested techniques for ST management around dental implants, but none of them has discussed a suitable timetable for this process. This study aimed to review published articles related to the timing of ST management around dental implants and suggest a customized treatment protocol. A search of the PubMed database was conducted; the search was limited to English-language articles published from January 1995 to July 2015 with available full texts...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475085/effect-of-timing-of-repair-on-repair-bond-strength-of-methacrylate-and-silorane-based-composite-resins
#12
Fereshteh Shafiei, Sahar Akbarian, Fatemeh Asadi
Successful repair of defective composite resin restorations is considered a conservative treatment. The aim of this study was to compare the repair bond strengths of a methacrylate composite (MC) and a silorane composite (SC) repaired after 5 different intervals. Seventy-two test specimens of each material (MC and SC) were prepared. The specimens of each material were divided into 6 groups (n = 12): 1, control (additional composite bonded immediately after polymerization of the substrate composite resin); 2, repaired after 20 minutes; 3, repaired after 24 hours; 4, repaired after 1 week; 5, repaired after 1 month; and 6, repaired after 6 months...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475084/emergent-gingival-cyst-of-the-adult
#13
John K Brooks, Justin W Kleinman, John R Basile
The gingival cyst of the adult is a relatively rare, benign odontogenic cyst that maintains an insidious growth rate. This article describes a case of a diminutive fibrotic overgrowth arising on the labial interproximal gingiva between the mandibular right canine and first premolar in a 68-year-old woman. Within 1 year, the lesion had increased in size and appeared vesicular. The morphologic changes warranted surgical excision and histopathologic review. The lesion was diagnosed as a gingival cyst. At a 4.5-month recall appointment, there was no evidence of recurrence...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475083/maxillary-canine-morphology-comparative-and-descriptive-analysis-from-periapical-radiographs-and-cone-beam-computed-tomography
#14
Hianne Miranda de Torres, Julyanna Jacinto de Arruda, João Manoel da Silva-Filho, Danielle Lago Bruno de Faria, Monikelly Carmo Chagas Nascimento, Érica Miranda de Torres
The anatomical characteristics of permanent maxillary canines were evaluated through visual examination, periapical radiography, and cone beam computed tomography (CBCT), and measurements obtained from the images and directly on the teeth were compared. Fifty extracted human maxillary canines were classified according to the side of the mouth. The direction of root curvature and location of the apical foramen were also verified. Periapical radiographs and CBCTs of the specimens were obtained. The number of root canals was verified...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475082/angina-bullosa-hemorrhagica-report-of-7-cases-and-analysis-of-199-cases-from-the-literature
#15
Kelly B Dias, Anacláudia Pc Flores, Márcia G Oliveira, Vinicius C Carrard, Laura C Hildebrand, Manoel Sant'Ana Filho
Angina bullosa hemorrhagica (ABH) is a condition characterized by blood blisters in the oral or oropharyngeal mucosa. Typically, the first presentation of ABH is acute, and rupture of the blisters occurs after a few hours or days. Although its etiology is unclear, ABH is assumed to be associated with predisposing factors such as local trauma or chronic use of inhaled steroids. The diagnosis is defined clinically, based on the presentation and evolution of the lesions. The recommended treatment is symptomatic, but extensive lesions may present a risk of airway obstruction and may require surgical excision...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475081/effectiveness-of-silver-diamine-fluoride-in-caries-prevention-and-arrest-a-systematic-literature-review
#16
Violeta Contreras, Milagros J Toro, Augusto R Elías-Boneta, Angeliz Encarnación-Burgos
This study aimed to evaluate the scientific evidence regarding the effectiveness of silver diamine fluoride (SDF) in preventing and arresting caries in the primary dentition and permanent first molars. A systematic review (SR) was performed by 2 independent reviewers using 3 electronic databases (PubMed, ScienceDirect, and Scopus). The database search employed the following key words: "topical fluorides" AND "children" AND "clinical trials"; "topical fluorides" OR "silver diamine fluoride" AND "randomized controlled trial"; "silver diamine fluoride" AND "children" OR "primary dentition" AND "tooth decay"; "silver diamine fluoride" OR "sodium fluoride varnish" AND "early childhood caries"; and "silver diamine fluoride" AND "children"...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475080/palatal-mass-induration-of-soft-palate
#17
Douglas D Damm
No abstract text is available yet for this article.
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475079/treatment-of-opioid-overdose-a-brief-review-of-naloxone-pharmacology-and-delivery
#18
Thomas M Hendley, Elliot V Hersh, Paul A Moore, Berry Stahl, Mana Saraghi
No abstract text is available yet for this article.
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475078/molar-incisor-hypomineralization-in-pediatric-patients
#19
Jane A Soxman
No abstract text is available yet for this article.
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28475077/state-of-the-art-cosmetic-restorative-treatment-for-combating-root-caries
#20
Wynn Okuda
No abstract text is available yet for this article.
May 2017: General Dentistry
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