Thesis (doctoral)--Karolinska Institutet, Stockholm, 1985. / Extra title page with thesis statement inserted. Includes bibliographical references.

Thesis (M.Sc.)--University of Alberta, 2010. / A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Master of Science, Medical Science-Dentistry. Title from pdf file main screen (viewed on April 23, 2010). Includes bibliographical references.

Thesis (Ph.D.)--University of Alberta, 2009. / A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Medical Sciences - Orthodontics. Title from pdf file main screen (viewed on August 16, 2009). Includes bibliographical references.

Thesis (M.S.)--West Virginia University, 2000. / Title from document title page. Document formatted into pages; contains xi, 204 p. : ill. (some col.) Vita. Includes abstract. Includes bibliographical references (p. 104-111).

Thesis (M.S.)--West Virginia University, 2000. / Title from document title page. Document formatted into pages; contains viii, 94 p. : ill. Vita. Includes abstract. Includes bibliographical references (p. 46-49).

Thesis (M.S.)--University of Alabama at Birmingham, 2010. / Title from PDF title page (viewed on June 25, 2010). Includes bibliographical references (p. 32-37).

Thesis (doctoral)--Karolinska Institutet, Stockholm, 1985. / Extra title page with thesis statement inserted. Includes bibliographical references.

Thesis (M.S.)--University of Florida, 2003. / Title from title page of source document. Includes vita. Includes bibliographical references.

Made available in DSpace on 2016-08-03T16:31:17Z (GMT). No. of bitstreams: 1 ARTUR CUNHA VASCONCELOS.pdf: 1119532 bytes, checksum: ddde74bc354ed002746b09dda82ee5e1 (MD5) Previous issue date: 2011-04-14 / The aim of this study is to examine a possible change in the size of the clinical crown of the lower anterior teeth in 50 individuals with malocclusion, Angle Class II. The sample was divided into two groups: one group treated with 25 subjects (14 male and 11 female) with mean age at T1 (initial time of treatment) of 11 years, and T2 (time post-treatment) for 12 years and 7 months treated with the function regulator appliance Fränkel-2 for 18 months, and a control group of 25 subjects (12 male and 13 female) mean age at T1 for 10 years and 3 months and T2 in 12 years and 1 month. The plaster casts of 100 individuals were analyzed and compared between the beginning and end of treatment using a caliper, using as measure the distance from incisal to the concave portion of the gingival margin of the lower incisors and canines. Data were analyzed using the Student t test and paired t test. Among the six anterior teeth-less, all showed a significant increase in the treated group and only three teeth (33.42 and 43) increased significantly in the control group. In relation to the treatment group and control group at T2, a significant increase in the crown teeth 32, 33 and 43. There was a statistically significant increase in only two teeth (31 and 41) in both sexes. The results showed no statistical significance when compared to changing the size of the crown during the age. It is concluded that measures of clinical crowns of teeth differ between groups, being higher in the treated group. The increase in clinical crown of the teeth, is not related only by the presence of buccal inclination of the same, but may be considered as multifactorial. / O objetivo do estudo consistiu em verificar uma possível alteração no tamanho da coroa clínica dos dentes ântero-inferiores em 50 indivíduos portadores de má Oclusão de Angle Classe II. A amostra foi dividida em 2 grupos: um grupo tratado com 25 indivíduos (14 do sexo masculino e 11 do feminino) com idade média em T1 (tempo inicial do tratamento) de 11 anos (dp = 9 meses), e em T2 (tempo pós-tratamento) de 12 anos e 7 meses (dp = 7 meses), tratados com o aparelho regulador de função Fränkel-2, durante 18 meses; e, um grupo controle com 25 indivíduos (12 do sexo masculino e 13 do feminino) com idade média em T1 de 10 anos e 3 meses (dp = 11 meses) e em T2 de 12 anos e 1 mês (dp = 11 meses). Os 100 modelos em gesso dos indivíduos foram analisados e comparados em relação ao início e ao término do tratamento por meio de um paquímetro digital, utilizando-se como medida a distância da borda incisal até a porção mais côncava da margem gengival dos incisivos e caninos inferiores. Os dados foram analisados por meio do teste t de Student e teste t pareado. Dentre os seis dentes ântero-inferiores, todos apresentaram aumento significante no grupo tratado, e apenas três dentes (33,42 e 43) apresentaram aumento significante no grupo controle. Já em relação ao grupo tratado e o grupo controle em T2, houve um aumento significante da coroa nos dentes 32, 33 e 43. Houve um aumento estatisticamente significante em apenas dois dentes (31 e 41) em ambos os sexos. Os resultados não demonstraram relevância estatística quando comparados com a alteração do tamanho da coroa no decorrer da idade. Conclui-se que as medidas das coroas clínicas dos dentes diferiram entre os grupos, sendo maior no grupo tratado. O aumento da coroa clinica dos dentes, não esta relacionado somente pela presença de inclinação para vestibular dos mesmo, mas pode ser considerado como multifatorial.

Made available in DSpace on 2014-06-11T19:33:28Z (GMT). No. of bitstreams: 0 Previous issue date: 2004-10-06Bitstream added on 2014-06-13T19:04:26Z : No. of bitstreams: 1 rego_rocc_dr_arafo.pdf: 771295 bytes, checksum: 5b0351282506ff58004e2c6aac89a587 (MD5) / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) / O objetivo deste estudo foi avaliar os parâmetros clínicos e microbiológicos periodontais de crianças e adolescentes sob terapia ortodôntica com aparelho fixo ou removíveis. Trinta indivíduos (14,5l1,7 anos - Grupo FIX) que utilizavam aparelhos fixos e 18 que utilizavam aparelho extra bucal removível ou placa de Hawley há pelo menos 6 meses (9,6 l 1,5 anos - Grupo REM) foram comparados a dois grupos controle, constituídos por indivíduos da mesma idade (14,2 l 1,7 anos - Grupo C-FIX e 9,3 l 1,9 anos - Grupo C-REM) que não utlizavam esses dispositivos. Foi analisada a presença de placa bacteriana visível (IP), sangramento gengival (IG), profundidade de sondagem (PS) e perda de inserção clínica (PIC). Amostras de placa bacteriana subgengival foram coletadas e analisadas por meio de sondas de oligonucleotídeos para A. actinomycetemcomitans (Aa), C. rectus, Capnocytophaga sp. E. corrodens, F. nucleatum, F. vincentii, M. micros, Neisseriaceae., P. gingivalis, P. intermedia, espiroquetas, T. forsythensis e Treponema sp. Diferenças significantes (p<0,05) foram observadas entre os grupos FIX e C-FIX quanto aos parâmetros IP (66,8% e 47,7%), IG (43% e 15,6%), e para as prevalências de todas as bactérias avaliadas, exceto as da familia Neisseriaceae. Entre dentes bandados e seus análogos no grupo controle foram encontradas diferenças significantes para os parâmetros PV (80,3% e 58,8%), SM (64,3% e 20,6%) e PS (2,9 mm e 2,5 mm), respectivamente. Entre os grupos REM e C-REM, essas diferenças também foram observadas para IP (58,7% e 14,3%) e IG (19,8% e 8,8%) e para as prevalências de Aa, C. rectus, E. corrodens, Neisseriaceae e espiroquetas. Entre os dentes retentores de grampo e seus análogos no grupo controle verificou-se diferenças significantes para IP (77,8% e 31,3%). Não foi verificado aumento da PS associado a PIC. Também foi avaliada a... . / The purpose of this study was to compare clinical and microbiological parameters in children and adolescents with and without fixed or removable orthodontic appliances. Thirty subjects (mean age 14.5l1.7 years) treated with fixed appliances and 18 treated with removable appliances for at least 6 months were selected as test groups, FIX and REM, respectively. The control groups were comprised of 30 subjects (mean age 14.2l1.7 years - Group C-FIX) and 18 subjects (mean age 9.3l1.9 years - Group C-REM) that did not receive orthodontic treatment. Clinical evaluations were made for plaque index (PI), gingival index (GI), probing depth (PD) and clinical attachment loss (CAL). Subgingival plaque samples were collected from the patients and analyzed by oligonucleotide probes for the presence of A. actinomycetemcomitans (Aa), C. rectus, Capnocytophaga sp. E. corrodens, F. nucleatum, F. vincentii, M. micros, Neisseriaceae., P. gingivalis, P. intermedia, spirochetes, T. forsythensis and Treponema sp. Additionally, two subgingival dental plaque samples from one subject of each test group were further analyzed by cloning and sequencing the amplified 16S rDNA. Significant differences were noted between FIX and C-FIX for PI (66.8% versus 47.7%), GI (43.8% versus 15.6%) and between the banded teeth in the FIX group and the analogous teeth in the C-FIX group for PI (80.3% versus 58.8%), GI (64.3% versus 20.6%) and PD (2.9 mm versus 2.5 mm). Significant differences were noted between FIX and C-FIX for all targeted bacteria but Neisseriaceae. Results: Significant differences were also noted between REM and C-REM for PI (58.7% versus 14.3%) and GI (19.8% versus 8.8%) and between the clasped teeth in the test group and the analogous teeth in the control group for PI (77.8% versus 31.3%). Significant differences were noted between the REM and C-REM for Aa... (Complete abstract, click electronic address below).