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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
81

Prevalência, causa e localização de fístula de palato em fissura transforame incisivo unilateral operada: estudo retrospectivo / Prevalence, cause and location of palatal fistula in operated complete unilateral cleft lip and palate: retrospective study

Vivian de Agostino Biella Passos 20 October 2011 (has links)
Este trabalho objetivou avaliar a prevalência de fístula após cirurgia de palato em indivíduos com fissura transforame incisivo unilateral (FTIU) e verificar a localização e associação entre a prevalência dessas fístulas com possíveis fatores causais. Foi realizada análise retrospectiva em prontuários e fotografias pertencentes a 589 indivíduos matriculados no Hospital de Reabilitação de Anomalias Craniofaciais da Universidade de São Paulo (HRAC-USP), que foram submetidos à palatoplastia com idades entre 12 e 36 meses, por meio da técnica de von Langenbeck , em tempo único, pela equipe de cirurgiões plásticos, no período de janeiro de 2003 na julho de 2007. A amplitude da fissura foi classificada em estreita (E), regular (R) e ampla (A), visualmente, por meio de fotografias iniciais pré-cirúrgicas. Para a localização das fístulas foram consideradas as regiões: palato anterior, região média do palato, área de transição (junção entre palato duro e mole) e palato mole. A prevalência de fístula foi de 27%, com um maior número de fístulas localizadas na região do palato anterior (37,11%). O teste estatístico Qui-Quadrado (2) demonstrou associação estatística significativa (p0,05) entre a presença de fístula e a amplitude inicial da fissura (p=0,0003), habilidade do cirurgião (p=0,019), intercorrências transcirúrgicas (p=0,0037) e pós-cirúrgicas mediatas (0,000002). Em vista dos resultados obtidos pode-se concluir que a alta prevalência de fístula encontrada neste estudo evidencia a necessidade de revisão dos procedimentos cirúrgicos realizados para uma possível adequação de protocolo e principalmente padronização da documentação. Desta forma contribui-se para redução de custos e melhora na qualidade do tratamento, uma vez que essas fístulas interferem na reabilitação dos pacientes, causando prejuízos funcionais relacionados à fala, deglutição e audição, bem como exigem a repetição dos procedimentos cirúrgicos que podem causar seqüelas no crescimento maxilofacial. / This study evaluated the prevalence of fistula after palate repair in individuals with complete unilateral cleft lip and palate and analyzed the location and association between the prevalence of these fistulas and possible causal factors. The prevalence of palatal fistula was retrospectively analyzed in records of 589 individuals registered at the Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo (HRAC-USP), who were submitted to palate repair at the age of 12 to 36 months by the von Langenbeck technique in a single stage by the plastic surgery team of the hospital, during the period January 2003 to July 2007. The study comprised analysis of patient records and photographs from the files of HRAC-USP and data were collected in a form designed for this study. The cleft width was visually classified as Narrow (N), Regular (R) and Wide (W) on the initial preoperative photographs. The following regions were considered for the location of fistulas: anterior region of the palate, medium region of the palate, transition area (between hard and soft palate) and soft palate. The prevalence of fistula was 27%, with greater number of fistulas at the anterior region of the palate (37.11%). The chi-square statistical test (2) demonstrated statistically significant association (p0.05) between the presence of fistula and the initial cleft width (p=0.0003), surgeon skill (p=0.019), transoperative problems (p=0.0037) and postoperative problems (p=0.00002). Considering these results, the high prevalence of fistula found in this study evidences the need to revise the surgical procedures to allow the adequacy of protocols and especially standardize the records. This may contribute to reduce the costs and improve the quality of treatment, because these fistulas interfere with the rehabilitation of patients, causing functional damages related to speech, swallowing and hearing, and require repetition of surgical procedures that may cause sequels to maxillofacial growth.
82

Avaliação do volume aéreo total por meio de tomografia computadorizada após expansão rápida da maxila / Evaluation of total air volume through computed tomography after rapid maxillary expansion

Nayra Oliveira Ferreira 05 January 2018 (has links)
A expansão rápida da maxila é o procedimento ortodôntico/ortopédico mais utilizado para a correção da mordida cruzada posterior, maloclusão frequentemente encontrada em pacientes respiradores bucais. O objetivo deste estudo foi avaliar o efeito da expansão rápida da maxila sobre o volume da naso e orofaringe de crianças portadoras de mordida cruzada posterior, por meio da tomografia computadorizada convencional. Foram selecionadas 32 crianças com respiração bucal e/ou mista, de ambos os gêneros, na faixa etária de sete a dez anos de idade, em fase de dentição mista, portadoras de mordida cruzada posterior, uni ou bilateral, sem qualquer tipo de tratamento otorrinolaringológico ou ortodôntico. Os exames de tomografia computarizada foram realizados 15 meses após a expansão. Os resultados mostraram que não houve aumento estatisticamente significativo, tanto no volume e na área da nasofaringe como no volume e na área da orofaringe após a expansão rápida da maxila. Pode-se concluir que a a expansão rápida da maxila não produz alterações sobre a área e o volume da naso e orofaringe de crianças respiradoras bucais, portadoras de mordida cruzada posterior. / Rapid maxillary expansion is the most commonly used orthodontic/orthopedic procedure for the correction of posterior crossbite, a malocclusion frequently found in mouth breathing patients. The purpose of this study was to evaluate the effect of rapid maxillary expansion on the naso and oropharynx volume of children with posterior crossbite using conventional computed tomography. Thirty-two children with oral and/or mixed breathing were selected from both genders, at the age group from 07 to 10 years old, during the mixed dentition phase, with posterior or bilateral bite, without any otorhinolaryngological or orthodontic treatment. CT scans were performed 15 months after the expansion. The results showed that there was no statistically significant increase in both the volume and area of the nasopharynx and in the volume and area of the oropharynx after rapid maxillary expansion. It can be concluded that the rapid expansion of the maxilla does not produce changes in the area and volume of the naso and oropharynx of mouth breathing children with posterior crossbite.
83

Avaliação dos sintomas de obstrução nasal com uso da escala NOSE após expansão rápida da maxila cirurgicamente assistida / Assessment of nasal obstruction symptoms using the NOSE scale after surgically assisted rapid maxillary expansion

Menegat, Fabiano, 1975- 26 August 2018 (has links)
Orientadores: Valfrido Antonio Pereira Filho, Márcio de Moraes / Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba / Made available in DSpace on 2018-08-26T01:23:09Z (GMT). No. of bitstreams: 1 Menegat_Fabiano_M.pdf: 1317919 bytes, checksum: 61ce561ad17c6220b258f90a146bda84 (MD5) Previous issue date: 2014 / Resumo: Este estudo avaliou prospectivamente os sintomas de obstrução nasal em pacientes submetidos à expansão rápida da maxila cirurgicamente assistida (ERMCA) usando a escala NOSE (Nasal Obstruction Symptom Evaluation). Foram estudados dezesseis pacientes (idade média 31 ± 7,7 anos), dez mulheres e seis homens, que necessitaram de ERMCA. Os pacientes receberam no pré-operatório, aparelhos do tipo Hyrax e os procedimentos de ERMCA foram executados pela técnica de Kraut (1984), sob anestesia geral. O questionário (NOSE) foi aplicado no pré-operatório e aos seis meses de pós-operatório e os resultados foram comparados. Os resultados para cada indicador foram obtidos em uma escala que variou de 0 a 4 e multiplicados por 5, gerando uma escala de 0 a 100. Os dados foram estratificados de acordo com os índices NOSE e a obstrução nasal foi categorizada como LEVE (0 a 25), MODERADA (26 a 50) e GRAVE (> 50). Os dados foram submetidos ao tratamento estatístico utilizando-se o pacote estatístico SAS®, e o teste de Wilcoxon foi utilizado para comparação entre os grupos, com nível de significância de 5%. Todos os pacientes mantiveram ou melhoraram dos sintomas de obstrução nasal seis meses após a ERMCA, quando avaliados por meio da escala NOSE. Concluiu-se que a avaliação por meio da escala NOSE demonstrou que a ERMCA pode melhorar a sintomatologia de obstrução nasal / Abstract: This study prospectively assessed nasal obstruction symptoms in patients submitted to surgically assisted rapid maxillary expansion (SARME) using the NOSE (Nasal Obstruction Symptom Evaluation) scale. Sixteen patients were included (mean age 31 ± 7,7 years), ten women and six men, who needed SARME. All patients received Hyrax type devices in the preoperative period and SARME was performed by the Kraut¿s technique (1984). The NOSE scale was used to prospectively assess nasal obstruction symptoms. Results were recorded for each score in a scale ranging from 0 to 4 and multiplied by 5, generating a scale from 0 to 100. Data were stratified according NOSE scores and nasal obstruction was categorized as MILD (0 to 25), MODERATE (26 to 50) and SEVERE (> 50). The questionnaire was applied in preoperative period and after six months and results compared. Records were statistically analyzed using SAS¿ statistical pack. The Wilcoxon test was employed for comparison between groups with a significance level of 5%. All patients maintained or improved of nasal obstruction symptoms six months after SARME when evaluated with NOSE scale. In conclusion, maxillary expansion may improve nasal obstruction symptoms / Mestrado / Cirurgia e Traumatologia Buco-Maxilo-Faciais / Mestre em Clínica Odontológica
84

Alterações ântero-posteriores e transversais das rugas palatinas após expansão rápida da maxila assistida cirurgicamente em modelos digitalizados / Antero-posterior and transverse changes in palatal rugae after surgically assisted rapid maxillary expansion

Benedicto, Eduardo de Novaes, 1982- 22 August 2018 (has links)
Orientador: Eduardo Daruge Júnior / Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba / Made available in DSpace on 2018-08-22T00:08:09Z (GMT). No. of bitstreams: 1 Benedicto_EduardodeNovaes_M.pdf: 742104 bytes, checksum: 688ab07ea41c624dc0fb3c07c825128a (MD5) Previous issue date: 2013 / Resumo: O resumo poderá ser visualizado no texto completo da tese digital / Abstract: The abstract is available with the full electronic document / Mestrado / Odontologia Legal e Deontologia / Mestre em Odontologia Legal e Deontologia
85

Efeito da expansão palatina sobre o processo pterigoide, sincondrose esfeno-occipital e sela turca em crânios com relação esquelética classe II e classe III pela análise de elementos finitos (AEF) = Effect of the palatal expansion on the pterygoid process, spheno-occipital synchondrosis and sella turcica in skulls with class II and class III skeletal relationship by finite element analysis (FEA) / Effect of the palatal expansion on the pterygoid process, spheno-occipital synchondrosis and sella turcica in skulls with class II and class III skeletal relationship by finite element analysis (FEA)

Chávez Sevillano, Manuel Gustavo, 1970 28 August 2018 (has links)
Orientador: Felippe Bevilacqua Prado / Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba / Made available in DSpace on 2018-08-28T09:49:35Z (GMT). No. of bitstreams: 1 ChavezSevillano_ManuelGustavo_M.pdf: 1186393 bytes, checksum: 63db972779fb61b2324263a1b5e39826 (MD5) Previous issue date: 2015 / Resumo: A Técnica de Expansão Palatina é usada frequentemente para corrigir a mordida cruzada posterior, atresia transversal maxilar e aumentar o perímetro da arcada dentária. O objetivo deste estudo foi avaliar pela análise de elementos finitos o efeito simulado da expansão palatina sobre o processo pterigoide, sincondrose esfeno-occipital e sela turca em dois crânios com relação esquelética tipo Classe II e Classe III, identificando a distribuição das tensões mecânicas nessas estruturas anatômicas. Para isso, foram selecionadas duas Tomografias Computorizadas Cone Beam de dois crânios de 13 anos de idade e com atresia transversal da maxila. Um modelo de elemento finito de cada crânio foi gerado usando os dados extraídos das imagens digitalizadas tipo DICOM. Foram obtidas imagens espiraladas em cortes de 0,25 mm. de espessura por 1mm. de intervalo das estruturas craniofaciais. Uma força de 100 Newton transversal e paralela ao plano oclusal foi aplicada ao nível do primeiro molar e primeiro pré-molar permanente superior do modelo, simulando uma situação clínica da expansão palatina. As imagens scaneadas foram visualizadas com o software Mimics V.17 para a construção dos modelos de referência em formato STL (Stereolitografia). A posterior construção das geometrias em modelos Bio-CAD foram efetuado com a ajuda do software Rhinoceros 3D 5.0. A malha de elementos finitos dos modelos foi construída no software Ansys V.14. Foram incorporadas as propriedades mecânicas do osso, sutura palatina mediana e a sincondrose esfeno-occipital em cada malha dos crânios. Para uma melhor análise dos efeitos biomecânicos os modelos de elementos finitos foram cortados sagitalmente e logo identificados pontos craniométricos para sua avaliação. A tensão equivalente de Von Mises e a Tensão máxima principal foram avaliadas e comparadas em ambos os crânios. Os resultados mostraram que a Técnica de Expansão Palatina teve um efeito direito sobre o processo pterigoide, sincondrose esfeno-occipital e sela turca na Classe II esquelética por protrusão da maxila e na Classe III esquelética por retrusão da maxila. Em geral nós observamos que o modelo Classe III mostrou maiores valores de tensões do que o modelo Classe II especialmente nas estruturas como a sincondrose esfeno-occipital e a sela turca / Abstract: The Palatal Expansion Technique is often used to correct the posterior cross bite, maxillary transversal colapse and increase the perimeter of the dental arch. The objective of this study was evaluate by Finite Element Analysis the biomechanics effect on the Pterygoid processes, the Spheno-occipital synchondrosis and the Sella turcica in two skulls with Class II and Class III skeletal relationship, identifying the distribution of mechanical stresses in these anatomical structures. For this, we selected two Computerized Tomography Cone Beam of skulls with 13 years old and maxillary transversal collapse. A finite element model of craniofacial structure of each skull was generated using data extracted from scanned images DICOM type. Spiral images were obtained at 0.25 mm thick by 1 mm slices range of craniofacial structures. A force of 100 Newton horizontal and parallel to the occlusal plane was applied at the level of the first molar and upper first permanent premolar model, simulating a clinical situation of the Palatal Expansion. Images scanned were viewed with Mimics V.17 software for the construction of the reference models in STL format (Stereolithography). The subsequent construction of the geometries of Bio-CAD models were made with the help of Rhinoceros 3D software 5.0. The finite element mesh of the models was built in Ansys V.14 software. The mechanical properties of bone, sutures and the spheno-occipital synchondrosis were incorporated in each mesh of skulls. In order to observe with bigger clarity the biomechanical effects, the finite-elements models were cut sagittally and then identified craniometrics points for the evaluation. The Von-Mises stress and maximum principal stress were evaluated and compared in both skulls. The results revealed that the Palatal Expansion Technique had a direct effect on the the Pterygoid processes, the Spheno-occipital synchondrosis and the Sella turcica in the Class II skeletal relationship by maxillary protrusion and in the Class III skeletal relationship by maxillary hypoplasia. In general, we observed that the Class III model presented higher values stress than the Class II model, especially in the Spheno-occipital synchondrosis and the Sella turcica structures / Mestrado / Anatomia / Mestre em Biologia Buco-Dental
86

Avaliação in vivo dos efeitos genotóxicos/citotóxicos de disjuntores de Haas sobre células da mucosa bucal, pela análise de micronúcleos / Genotoxic/cytotoxic in vivo effects of Haas appliance by micronucleus assay in exfoliated mucosal cells

Silva, Arthur Cunha da 06 December 2017 (has links)
O objetivo do presente estudo foi avaliar os efeitos genotóxicos/citotóxicos ocasionados por disjuntores de Haas em células epiteliais esfoliadas da mucosa bucal de pacientes submetidos a tratamento ortodôntico, por meio do ensaio de micronúcleos. Participaram do estudo 22 pacientes entre 06 a 12 anos de idade, de ambos os gêneros, que necessitaram de disjuntores de Haas para correção de mordida cruzada posterior. Foi efetuada a coleta de células epiteliais da mucosa da bochecha, por meio de raspagem suave com escova científica. As células foram coletadas antes (T0), um mês após a instalação do aparelho (T1) e 3 meses após o travamento dos disjuntores (T2). As células foram processadas para obtenção de lâminas, as quais foram coradas com o método de Feulgen/Fast Green para quantificação do número de células normais, cariolíticas, picnóticas, brotos nucleares, bi/trinucleadas e com a presença de micronúcleos, em microscospia de luz. Os resultados foram submetidos à analise estatistica por meio do teste ANOVA, seguido do pós-teste de Tukey. O nível de significância adotado foi de 5%. Os resultados demonstraram que não houve diferença estatisticamente significante com relação à preença de micronúcleos, nos períodos avaliados (p>0,05). Os brotos nucleares sofreram aumento em T1 (p>0,05), com retorno aos níveis baseline em T2. Em relação às outras anormalidades (células cariolíticas, picnóticas e bi/trinucleadas), houve aumento significante em T1 e T2 (p<0,0001). Concluindo, este estudo demonstrou que os disjuntores de Haas não ocasionaram aumento de micronúcleos em células da mucosa bucal. Entretanto, foram observadas aumento estatisticamente significante das células cariolíticas, picnóticas e bi/trinucleadas durante o tratamento, sugerindo possíveis efeitos citotóxicos. / The aim of the present study was to evaluate the genotoxic and cytotoxic effects caused by Haas appliance through micronuclei assay in buccal mucosa epithelial cells of patients submitted to orthodontic treatment. The study included 22 patients between 06 and 12 years of age, both genders, who required Haas appliance for correction of posterior crossbite. Epithelial cells from the cheek mucosa were collected performed by gentle scraping scientific toothbrush. The cells were collected before (T0), one month after the device was installed (T1) and 3 months after the appliance immobilization (T2). The cells were processed to obtain slides and Feulgen/Fast Green was used as staining method for counting the number of normal, karyolytic, pyknotic, nuclear buds, binucleated and micronucleus cells under light microscopy. The cellular abnormalities were evaluated with the parametric tests for comparison of the means by ANOVA test followed by the Tukey post-test. The significance level was 5%. The results of this study showed that there were no statistically significant results for the micronuclei in the evaluated periods (p>0,05). Nuclear buds increased in T1 (p<0,05), returning to baseline levels in T2. In relation to the other abnormalities (cariolytic, pyknotic and bi/trinucleated cells), there were a significant increase in T1 and T2 (p<0.0001). In conclusion, this study demonstrated that Haas appliance did not cause micronuclei increase in cells of buccal mucosa. However, a statistically significant increase in cariolytic, pyknotic and bi/trinucleated cells were observed during treatment, suggesting possible cytotoxic effects.
87

Evaluación de la osificación de la sutura media palatina y la discrepancia transversal maxilar en pacientes de 18 a 40 años de un centro radiológico de Lima - Perú

Escudero Tacusi-Oblitas, Fresia Narda, Quiquinlla Asto, Deybbit Jordy 09 July 2019 (has links)
Objetivo: Evaluación de la osificación de la sutura media palatina y la discrepancia transversal maxilar en pacientes de 18 a 40 años de un centro radiológico de Lima - Perú. Materiales y métodos: Se realizó un estudio observacional de corte transversal. La muestra estuvo constituída por 234 tomografías computarizadas de haz cónico en pacientes de 18 a 40 años de edad, donde se realizó el análisis de Penn CBCT para la evaluación de la discrepancia transversal maxilar mientras que la clasificación de Angelieri se utilizó para evaluar la osificación de la sutura media palatina. Se utilizaron las pruebas de Chi cuadrado, U Mann Whitney y Correlación de Spearman para evaluar si existe relación entre las variables de estudio. Resultados: La discrepancia transversal fue de 7.27mm. Por otro lado, se encontró que en el rango de 18 a 28 años de edad prevalece el estado B con 65 pacientes, mientras que en el rango de 29 a 40 años hubieron 50 pacientes del mismo estado. Así mismo, existe asociación entre la discrepancia transversal maxilar con el género, mientras que la osificación de la sutura media palatina no está relacionada al género. Conclusiones: Se concluye que no se encontró una asociación entre la osificación de la sutura media palatina, la discrepancia transversal y la edad, esto indica que cada variable es independiente. Por otro lado, existe asociación entre la discrepancia transversal maxilar y el género. / Objective: Evaluation of the ossification of the mid-palatal suture and the maxillary transverse discrepancy in patients aged 18 to 40 years from a radiological center in Lima-Peru. Materials and methods: An observational cross-sectional study was conducted. The sample consisted of 234 conical beam CT scans in patients aged 18 to 40 years, where the CBCT Penn analysis was performed for the evaluation of the maxillary transverse discrepancy, while the Angelieri classification was used to evaluate the ossification of the mid palatal suture. Chi Square, Mann–Whitney U, and Spearman Correlation tests were used to assess whether there was a relationship between the study variables. Results: The transverse discrepancy was 7.27 mm. On the other hand, it was found that in the range of 18 to 28 years of age, state B prevails with 65 patients, while in the range of 29 to 40 years there were 50 patients of the same state. Likewise, there was an association between the maxillary transverse discrepancy with the gender, while the ossification of the mid-palatal suture was not related with the gender. Conclusions: It was concluded that no association was found between the ossification of the mid-palatal suture, the transverse discrepancy, and age; this indicates that each variable is independent. On the other hand, there was an association between maxillary transversal discrepancy and gender. / Tesis
88

1 Long Term Impact of Microimplant Assisted Rapid Palatal Expansion on Soft Tissue Nasal Morphology

Chew, Laura, Suh, Heeyeon, Park, Joorok, Oh, Heesoo 01 January 2021 (has links)
Introduction: When skeletal transverse discrepancies exist between the maxilla and mandible, they commonly manifest in dental malocclusion. If left uncorrected, the malocclusion can lead to periodontal issues, tooth fractures, tooth loss, or other significant dental problems. Utilization of microimplants in palatal expansion aims to correct transverse discrepancies between the maxilla and mandible by separating the palatal suture in a parallel manner aimed at maximizing skeletal changes and minimizing dental side effects. Overlying soft tissue changes can be affected by the induced skeletal changes. The purpose of this study is to evaluate skeletal expansion and the overlying soft tissue change that occurs using MARPEs (microimplant assisted rapid palatal expanders) at the end of orthodontic treatment in skeletally mature (Cervical Vertebral Maturation (CMV) ≥ 5) patients using cone-beam computed tomography (CBCT) imaging and to evaluate soft tissue changes that occur at the time of orthodontic treatment completion using CBCT imaging. Materials and Methods: CBCT scans from 19 patients who were treated using microimplant assisted rapid palatal expanders were traced and evaluated at three time points: Before orthodontic treatment (T1), post MARPE expansion with MARPE in place (T2), and after orthodontic treatment with MARPE removed. Fourteen hard tissue landmarks and six soft tissue landmarks in the midface and nasal cavity regions were traced by three judges at each time point. The traced landmark points were averaged among all three judges and comparisons were made between the three time points to see the amount of expansion that occurred at various anatomical 2 regions. Intraclass correlation coefficient (ICC) was used to evaluate inter-judge reliability for all measurements. A repeated measures ANOVA test was used for statistical comparison across all three time points and a Tukey post hoc test was used for comparison between time points. Significance was set to .05 and ICC was set to >.70. Results: Expansion with microimplant assisted rapid palatal expanders can affect the hard tissue of the midface region as well as the overlying soft tissue. Increases in skeletal width from the ANS down to the maxillary alveolar bone were statistically significant in both the short term (T1-T2) and long term (T1-T3). The nasal cavity width at inferior turbinate area increased significantly after expansion (T2) and remained increased at treatment completion (T3) and the increased soft tissue width of the alar base that presented after expansion therapy remained increased at treatment completion. Conclusion: Maxillary expansion with microimplant assisted expanders resulted in skeletal changes throughout the maxilla and led to a significant long-term increase in nasal cavity width. The soft tissue changes associated with MARPE treatment show that a widening of the base of the nose may be expected after expansion and can remain at treatment completion.
89

Getting “in touch” with oral texture perception: the development, adaptation, and execution of methods for assessing how humans perceive texture within the oral cavity

Miles, Brittany L. January 2021 (has links)
No description available.
90

A prospective, randomized, single-blind study of intrasulcular mucosal anesthesia as an adjunct for anesthetizing the palatal mucosa of the maxillary first molar.

Charnas, Joseph Craig January 2021 (has links)
No description available.

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