University engagement of dental students related to educational environment: A transnational study.

OBJECTIVES: To investigate the validity and reliability of the University Student Engagement Inventory (USEI) in its complete and reduced versions with Brazilian and USA students, and to evaluate the influence of gender and academic level on students' university engagement in both countries. METHODS: A cross-sectional observational study with a non-probability sample was conducted. The sample comprised dental students of both genders, 154 from a university in New York, USA (response rate 91.1%) and 459 from two universities in Brazil (response rate 79.1%). University engagement was measured using the USEI. The samples were characterized by gender and academic level. RESULTS: The refined reduced version of the USEI presented adequate fit to the samples from both countries. Gender was associated with the behavioral engagement factor of the USEI in Brazilian students. In the USA sample, gender was associated with the behavioral and cognitive engagement factors. There was a significant effect of academic level on behavioral and emotional engagement for the Brazilian and USA samples, respectively. CONCLUSION: The refined reduced USEI presented adequate psychometric qualities for the study samples.

Micro-shear bond strength of adhesives with different degrees of acidity: Effect on sound and artificially hypermineralized dentin.

This study evaluates the bond strength of four self-etching adhesive systems with different acidity levels in normal and artificially hypermineralized dentin substrate. Healthy human molars were divided into groups: normal dentin-N (n = 36) and artificially hypermineralized dentin-H (n = 36). Self-etching adhesive systems Clearfil S3 Bond (n = 9), Optibond All in One (n = 9), Clearfil SE Bond (n = 9), and Adhese (n = 9) were used for both the N and H groups. Transparent cylindrical matrices were positioned on the treated dentin surfaces, filled with composite resin, and light-cured for 40 s. After the transparent cylindrical matrices were removed, the specimens were stored for 24 hr in a humid environment at 37°C and were subjected to a micro-shear bond strength test. For each group, a specimen was prepared and evaluated in scanning electron microscope for adhesive interface observation. Normality was confirmed and the two-way analysis of variance and Games-Howell post-tests were conducted (α = .05). The data demonstrated an interaction between the adhesive system and type of dentin substrate (p < .01). For normal dentin, all adhesive systems assessed were adequate; however, in the hypermineralized dentin, the Clearfil SE Bond two-step self-etching adhesive system with mild pH presented the highest immediate bond strength. There was a predominance of adhesive failures for all adhesive systems in the different dentin substrates evaluated. It was concluded that the self-etching adhesive systems evaluated were efficient for both substrates, and for the hypermineralized dentin, the Clearfil SE Bond presented a higher bond strength value.

Cross-infection control in clinical training: Development of a device for storing a composite resin in restorative dentistry.

This study presented a biosafety device for the hygienic storage of composite resin during restorative procedures in teaching clinics, RESTAURASAFE, and to compare the color stability, surface hardness, and degree of conversion of the composite resin made with the proposed device to those of conventionally made resins. Esthet-X HD composite was manipulated directly from the syringe, fractionated doses, dappen dish or RESTAURASAFE. Disc-shaped specimens were immersed in artificial saliva and coffee for 60 days and the color stability and the Vickers surface hardness were evaluated during 60 days. Degree of conversion was assessed after immersing specimens in saliva (baseline). The surface morphology analysis of composite resin has taken by scanning electron microscopy (SEM). The data were evaluated statistically by repeated measures ANOVA (α=.05). No difference of color stability was observed for saliva and coffee regardless of storing devices. The resin manipulated directly from the syringe presented lower hardness, and fractionated doses presented lower degree of conversion than the RESTAURASAFE. SEM analysis showed that after artificial aging in coffee for 60 days, the specimens prepared with fractionated doses of resin displayed the fewest changes in surface morphology, followed by those prepared with the RESTAURASAFE. We conclude that RESTAURASAFE allows to obtain similar color stability, higher hardness, and degree of conversion of the composite in comparison to the other storing devices.

Clinical effectiveness of fluorescence, digital images and ICDAS for detecting occlusal caries / Efetividade clínica da fluorescência, imagens digitais e ICDAS na detecção de cárie oclusal

Introduction: The detection of small caries lesions is still a challenge for dental professionals who in their clinical practice have a wide variety of methods to detect caries on occlusal surfaces. Objective: To clinically assess the effectiveness of the Vista Proof fluorescence camera, the Vista Cam digital intraoral micro camera and the International Caries Detection and Assessment System (ICDAS) visual criterion for detecting caries lesions on occlusal surfaces of permanent teeth. Material and method: One hundred and seven posterior teeth from adult patients were examined visually and by means of digital radiographs by an examiner who rated them according to the presence or absence of occlusal caries. The teeth were then assessed by the other examiner using ICDAS, fluorescence and magnified digital images. The effectiveness of the methods was measured based on sensitivity, specificity, positive and negative likelihood ratio. For each method, the Receiver Operating Characteristic (ROC) curve and the Area Under the ROC curve (AUROC) were estimated. Result: There was exceptional discrimination capacity for the intraoral images (AUROC=.93) and the ICDAS (AUROC=.91), with no significant statistical difference between them (z=.35, p=.73). The fluorescence exhibited an acceptable discrimination capacity (AUROC=0.78), although it was lower than the others. The positive likelihood ratio for the fluorescence was only 2.32, compared to 20.58 for the intraoral image and 58.11 for the ICDAS. Conclusion: Both methods and the ICDAS exhibited an adequate clinical performance, although the ICDAS and intraoral image were more effective than the fluorescence.

Introdução: A detecção de pequenas lesões de cárie ainda é um desafio para profissionais da Odontologia, que em sua prática clínica dispõem de uma grande variedade de métodos para detectar cáries nas superfícies oclusais. Objetivo: Avaliar clinicamente a efetividade da câmera de fluorescência Vista Proof, da microcâmera intraoral digital Vista Cam e do critério visual ICDAS (International Caries Detection and Assessment System) para detecção de lesões de cárie nas superfícies oclusais. Material e método: Cento e sete dentes posteriores de pacientes adultos foram examinados visualmente e por meio de radiografias digitais por um examinador que os classificou de acordo com a presença ou ausência de cárie. Os dentes foram então avaliados por outro examinador que utilizou o ICDAS, fluorescência e imagens digitais ampliadas. A efetividade dos métodos foi mensurada por meio da sensibilidade, especificidade, razão de verossimilhança positiva e negativa. Para cada método, a curva ROC (Receiver Operating Characteristic) e a área sob a mesma - AUROC (Area Under the ROC curve) foram estimadas. Resultado: Houve excepcional capacidade discriminante para as imagens intraorais (AUROC=0,93) e para o ICDAS (AUROC=0,91), com diferença estatística não significativa entre eles (z=0,35, p=0,73). A fluorescência apresentou capacidade discriminante aceitável (AUROC=0,78), embora tenha sido menor que os outros. A razão de verossimilhança positiva para a fluorescência foi 2,32, comparado a 20,58 para a imagem intraoral e 58,11 para o ICDAS. Conclusão: Ambos os métodos e o ICDAS exibiram um adequado desempenho clínico, sendo que o ICDAS e a imagem intraoral foram mais efetivos que a fluorescência.

New Parameter for In-Office Dental Bleaching.

Dental bleaching is considered a conservative and biologically safe treatment for discolored teeth. Despite this, one of the major undesirable effects of bleaching is dentin sensitivity which may occur during and after treatment. To address these sensitivity issues, new dental bleaching preparations with lower concentrations of hydrogen peroxide (H2O2) have recently been introduced to the market. This paper presents a clinical case report of a 20-year-old female patient admitted to the Araraquara Dental School, UNESP, Brazil. The patient underwent dental bleaching using one of the new products with reduced hydrogen peroxide concentration, Lase Peroxide Lite 6%, a 6% H2O2 gel containing titanium oxide nanoparticles doped with nitrogen (6% H2O2/N-doped TiO2).

Work-related activities that may contribute to musculoskeletal symptoms among dental students: validation study.

BACKGROUND: Dentists are exposed to occupational hazards, such as musculoskeletal disorders, in which symptoms can manifest early in clinical practice. OBJECTIVES: To estimate the reliability and validity of the Portuguese version of the "Questionnaire on work-related activities that may contribute to musculoskeletal symptoms" when applied to dental students. METHODS: 553 Brazilian students participated in the study. The one-factor structure originally proposed was tested through confirmatory factor analysis (CFA) using the indexes c2/df, CFI, GFI, and RMSEA. After observing an inadequate good fit (c2/df=7.140, CFI=0.791, GFI=0.778, RMSEA=0.129), the sample was subdivided into 3 groups and an exploratory factor analysis was conducted (EFA) (n=255). A CFA was then conducted using a subsample (n=113). To test the invariance of the obtained factorial solution, a multi-group analysis was performed using a third sample, independent from the others (n=185). The convergent (AVE) and discriminant (r2) validity were assessed. The composite reliability (CR), Cronbach's alpha coefficient (a), and intra-class correlation coefficient (r) were calculated. RESULTS: In the EFA, 3 factors were extracted: "Repetitiveness," "Working posture," and "External factors" (c2=21895.154; p<0.001; KMO=0.905; l1=6.683; l2=1.464; l3=1.277) that explained 62.82% of the total variance. The three-factor model presented an adequate good fit (n=113 and n=185) (c2/df=2.259; CFI=0.885; GFI=0.833; RMSEA=0.066). The convergent validity was compromised only for "Repetitiveness" (AVE=0.412-0.653). The discriminant validity (r2=0.333-0.428), composite reliability, internal consistency, and reproducibility were adequate for all factors (CR=0.736-0.883; a=0.747-0.876; r=0.729-0.940). CONCLUSION: The questionnaire proved to be reliable and valid for the sample of dentistry students if the three-factor model is used.

An alternative technique for fabrication of frameworks in an immediate loading implant fixed mandibular prosthesis.

The oral rehabilitation of edentulous patients with immediate loading has become a safe procedure with high predictability. The success is related to immediate fabrication of a passive fit framework to attach the implants. Based on these considerations, this case report shows an alternative technique for mandibular rehabilitation using implants immediately loaded, where the framework was fabricated using cylinders with internal reinforcement and precast pieces, electrowelding, and conventional welding providing esthetics and function to the patient in a short period of time.

Fragment reattachment after atypical crown fracture in maxillary central incisor.

Background. Fracture by trauma is one of the most common types of dental injury in the permanent dentition among children and teenagers. Aim. The aim of this study was to report the treatment performed to an atypical dental trauma case in a maxillary central incisor of a young patient by means of reattachment of the tooth fragment. Case Description. A 12-year-old male patient suffered a vertical crown fracture to the maxillary right central incisor. After clinical and radiographic examinations, a conservative restorative treatment which consisted in the reattachment of the tooth fragment with flow resin was performed in order to preserve the dental element and to obtain maximum aesthetics. Conclusion. The reattachment of fractured fragment is a fast and easy technique that can be used successfully as an option to restore dental element which suffered trauma. Clinical Significance. This technique restores the aesthetics and function of the dental element with minimal discomfort to the patient.

Perception of risk of musculoskeletal disorders among Brazilian dental students.

The aim of this study was to compare the mean scores of perceived risk factors for the development of musculoskeletal disorders in dental students presently pursuing work/study, according to gender, course series, and the presence of pain/discomfort. The participants were 348 students from the undergraduate course in dentistry at a Brazilian public university. The instrument on work-related factors that could contribute to osteomuscular symptoms and part of the Nordic questionnaire were used. The psychometric properties of the first instrument were estimated. A multivariate analysis of variance (MANOVA) revealed that the instrument had a tri-factorial structure (s(2) retained: 62.72 percent). The retained factors were repetitiveness, work posture, and external factors. The internal consistency and reproducibility were adequate (α=0.746 to 0.873; p=0.729 to 0.940). Lower mean scores of perceived external factors were observed for the male participants, as well as lower scores in the three dimensions of the instrument for first-year students of the course and for those who did not report pain/discomfort in the neck, feet, and ankles. The authors concluded that the perception of risk factors for musculoskeletal disorders reported in the work/study environment of dental students was significantly related to gender, the course series, and the presence of pain/discomfort.

Associação de facetas diretas e fibra de reforço para restabelecimento estético do sorriso: relato de caso clínico / Association of direct veneers and reinforced fiber for smile esthetic restoration: Case report

Esse artigo tem como objetivo demonstrar o restabelecimento estético do sorriso obtido por meio da associação de facetas diretas e fibra de reforço. As fibras de reforço são utilziadas como alternativas para substituição de elementos dentários perdidos e possuem indicações precisas, sendo empregadas em diversas especialidades da Odontologia, devido à sua capacidade de aumentar a resistência à tração dos compósitos, o que aumenta a resistência à compressão das fibras. Para o completo restabelecimento do sorriso, muitas vezes é necessário reanatomizar os dentes adjacentes, considerando as condições em que esses se apresentam. Sendo assim, o profissional deve ter conhecimento para aplicação correta da técnica e restabelecimento da estética ao paciente

This article aims to demonstrate the esthetic restoration of a smile obtained by means of the association of the direct veneers and fber reinforcement. The reinforcing fbers are used as an alternative to replace lost dental elements and have specifc indications, being used in various dentistry specialties,due to the ability to increase the composite tensile strength,which increases the compressive strength of the fbers. For the complete restoration of smile, it is often necessary the reanatomization of adjacent teeth, considering the conditions under which they present themselves. Thus, the professional should have knowledge for correct application of the technique and esthetic restoration to the patient

Desempenho clínico da fluorescência, imagens digitais ampliadas e ICDAS na detecção de cárie em superfícies oclusais / Clinical performance of fluorescence, digital images amplifieded and ICDAS in detecting caries in occlusal surfaces

O objetivo deste estudo foi avaliar o desempenho clínico da câmera de fluorescência VistaProof, da câmera intraoral digital Vista Cam e do critério ICDAS para detecção de cárie oclusal. Cento e sete dentes posteriores de pacientes adultos foram examinados visualmente e por meio de radiografias digitais por dois examinadores, que os classificaram de acordo com a presença ou ausência de cárie oclusal, em dois momentos, a fim de determinar a reprodutibilidade intra e interexaminadores. Esta avaliação foi considerada padrão-ouro. Os dentes foram então avaliados pelo critério visual ICDAS, fluorescência e imagem digital ampliada por outros dois examinadores, em dois momentos. Para estudo da efetividade estimou-se a sensibilidade, especificidade, razão de verossimilhança positiva e negativa. Construiu-se a curva ROC e estimou-se sua área (AUROC). A concordância intra e interexaminadores para a microcâmera intraoral e para o ICDAS foi ótima (κ˃0,81) e no mínimo boa para a câmera VistaProof (κ˃0,63). Houve excepcional capacidade discriminante para a imagem intraoral (AUROC=0,93) e para o ICDAS (AUROC=0,91) e diferença estatística não significativa entre eles (z= 0,35; p=0,73). A fluorescência apresentou capacidade discriminante aceitável (AUROC=0,78), porém menor que os demais. A razão de verossimilhança positiva encontrada para a fluorescência foi de apenas 2,32, enquanto que para a imagem intraoral foi 20,58 e para o ICDAS, 58,11. Pode-se concluir que a reprodutibilidade intra e interexaminadores para o ICDAS e para os métodos de detecção de cárie utilizados foi considerada adequada. Os três apresentaram adequado desempenho clínico, sendo este melhor para o ICDAS e para a imagem intraoral

The aim of this study was to evaluate the clinical performance of the VistaProof fluorescence camera, Vista Cam digital intraoral camera and ICDAS criterion for occlusal caries detection. One hundred and seven posterior teeth of adult patients were examined visually and by means of digital radiographs by two examiners who rated them according to the presence or absence of occlusal caries in two stages in order to determine the reproducibility intra and interexaminers. This evaluation was considered the gold standard. The teeth were then evaluated by the visual criterion ICDAS, fluorescence and digital image magnified by two other examiners, on two occasions. The effectiveness of the methods was estimated by sensitivity, specificity, positive and negative likelihood ratio. For each method was constructed ROC curve and its area (AUROC) was estimated. The intra and interexaminer agreement for the intraoral camera and the ICDAS was excellent (κ˃0.81) and at least good for the VistaProof camera (κ˃0.63). There was exceptional discrimination capacity for intraoral image (AUROC=0.93) and for ICDAS (AUROC=0.91) and no significant statistical difference between them (z=0.35, p=0.73). The fluorescence showed acceptable discrimination capacity ROC (AUROC=0.78), but lower than the others. The positive likelihood ratio found for the fluorescence was only 2.32, while for intraoral image was 20.58 and the ICDAS, 58.11. It can be concluded that the reproducibility intra and interexaminer to ICDAS and for caries detection methods utilized was considered adequate. The three had good clinical performance, which is better for the ICDAS and for intraoral image

Anterior restorations in bleached teeth: difficulty establishing the color after bleaching.

It is becoming more common for patients to look for cosmetic procedures in dental offices. The search for lost or desired esthetics by patients is increasingly frequent and the professional must be able to meet this demand. To do this, dentists not only need to return the tooth back to its normal functioning state but also promote esthetic excellence. In this context, the association of cosmetic procedures, such as teeth whitening and restorative procedures, such as direct adhesive restorations is very common. The composite resins employed nowadays allow the reproduction of various optical properties of natural teeth. With these composite resins, it is possible to reproduce features such as translucency, opacity and specific features of the dental element, to bring back the esthetic harmony of the smile. This article reports a clinical case demonstrating the placement, in a stratified manner, of composite resins in bleached teeth, as well as the reproduction of optical and natural aspects of the teeth. In order to achieve esthetic and functional success of the restored procedure, it is important to be familiar with the new techniques and new materials in the market and above all, we must know when and where to use them.

Fatores de risco de desordens osteomusculares presentes no posto de trabalho de estudantes de odontologia / Risk factors for musculoskeletal disorders at the workplaces of undergraduate dental students

Objetivo: Identificar a percepção de graduandos de Odontologia quanto aos fatores presentes no ambiente de trabalho/estudo que pudessem contribuir para o desenvolvimento de distúrbios osteomusculares.Método: Foram avaliados 348 estudantes do curso de graduação da Faculdade de Odontologia de Araraquara ? UNESP. Utilizou-se a versão em português do ?Work-related activities that may contribute to job-related pain and/or injury?. Realizou-se estatística descritiva.Resultados: A média da percepção dos graduandos foi 5,68 (DP=1,92), sendo que os fatores que apresentaram maiores valores médios foram continuar trabalhando quando está com alguma dor ou lesão (7,49, DP=2,55), curvar ou torcer as costas de maneira desconfortável (7,39, DP=2,59), trabalhar em posições desconfortáveis/inadequadas (7,27, DP=2,60) e trabalhar na mesma posição por longos períodos (7,02, DP=2,53). De forma geral, os estudantes do gênero feminino apresentaram escores médios de percepção maiores do que os do masculino. As partes do corpo que apresentaram maior prevalência de dor foram o pescoço (67,0%) e a parte inferior das costas (65,8%).Conclusão: Os estudantes apresentaram percepção em relação aos fatores de risco presentes no ambiente de trabalho/estudo.

Objective: To identify the perception of undergraduate dental students with respect of the risk factors present at the study/work place that could contribute to the development of musculoskeletal disorders. Method: A total of 348 undergraduate dental students from Araraquara Dental School - UNESP were evaluated. The Portuguese version of the ?Work-related activities that may contribute to job-related pain and/or injury? questionnaire was used. Data were analyzed by descriptive statistics. Results: The mean perception of the undergraduates was 5.68 (SD=1.92). The factors with highest mean values were continue working with some kind of pain or lesion (7.49, SD=2.55), bending or twisting the back in an uncomfortable manner (7.39, SD=2.59), working in uncomfortable/inadequate positions (7.27. SD=2.60) and working in the same position for long periods (7.02. SD=2.53). Overall, female students presented higher mean scores of perception than male students. The body parts with highest prevalence of pain were the neck (67.0%) and lower back (65.8%).Conclusion: The students showed perception in relation to the risk factors for musculoskeletal disorders present at the study/work place.

Effect of fluoride solutions on the shear bond strength of orthodontic brackets.

The aim of this in vitro study was to evaluate the shear bond strength of brackets after pre-treatment with different fluoride solutions. This study used 48 freshly extracted sound bovine incisors that were randomly assigned to 4 experimental groups (n=12). CG: (control) without treatment; NF: 4 min application of neutral fluoride; APF: application of 1.23% acidulated phosphate fluoride (APF) for 4 min; and SFV: application of 5% sodium fluoride varnish for 6 h. For each group, after surface treatment, prophylaxis of enamel and bracket bonding with Transbond XT composite resin (3M) were performed following the manufacturer's specifications. The shear bond strength was performed with a universal testing machine 24 h after fixing the brackets. The tooth surfaces were analyzed to verify the adhesive remnant index (ARI). Data were analyzed statistically by ANOVA and Tukey's test (α=0.05). There was statistically significant difference among the groups (p<0.0001). CG and NF groups presented significantly higher bond strength than APF and SFV. There was no significant difference between CG and NF or between APF and SFV (p>0.05). The analysis of ARI scores revealed that most failures occurred at the enamel-resin interface. It may be concluded that the pre-treatment of enamel with 1.23% APF and 5% SFV prior to fixing orthodontic brackets reduces shear bond strength values.

Effect of fluoride solutions on the shear bond strength of orthodontic brackets

The aim of this in vitro study was to evaluate the shear bond strength of brackets after pre-treatment with different fluoride solutions. This study used 48 freshly extracted sound bovine incisors that were randomly assigned to 4 experimental groups (n=12). CG: (control) without treatment; NF: 4 min application of neutral fluoride; APF: application of 1.23% acidulated phosphate fluoride (APF) for 4 min; and SFV: application of 5% sodium fluoride varnish for 6 h. For each group, after surface treatment, prophylaxis of enamel and bracket bonding with Transbond XT composite resin (3M) were performed following the manufacturer's specifications. The shear bond strength was performed with a universal testing machine 24 h after fixing the brackets. The tooth surfaces were analyzed to verify the adhesive remnant index (ARI). Data were analyzed statistically by ANOVA and Tukey's test (α=0.05). There was statistically significant difference among the groups (p<0.0001). CG and NF groups presented significantly higher bond strength than APF and SFV. There was no significant difference between CG and NF or between APF and SFV (p>0.05). The analysis of ARI scores revealed that most failures occurred at the enamel-resin interface. It may be concluded that the pre-treatment of enamel with 1.23% APF and 5% SFV prior to fixing orthodontic brackets reduces shear bond strength values.

O objetivo deste estudo foi o de avaliar in vitro a resistência adesiva de bráquetes após o pré-tratamento do esmalte com diferentes soluções fluoretadas. Foram utilizados 48 incisivos bovinos hígidos recém-extraídos que foram aleatoriamente divididos em 4 grupos experimentais (n=12). CG (controle): sem tratamento; FN: aplicação de flúor neutro por 4 min; FFA: aplicação de flúor fosfato acidulado (FFA) a 1,23% por 4 min; e VFS: aplicação de verniz de fluoreto de sódio a 5% por 6 h. Após o tratamento dos grupos, foi realizada a profilaxia do esmalte e os bráquetes foram fixados utilizando o compósito Transbond XT (3M), seguindo as especificações do fabricante. A resistência adesiva foi verificada através do teste de cisalhamento, realizado na Máquina de Ensaio Universal DL-2000 24 h após a fixação dos bráquetes. As superfícies dos dentes foram analisadas para verificação do índice de adesivo remanescente (IAR). Por meio dos testes estatísticos ANOVA e Tukey (α=5%), observou-se diferença estatisticamente significante entre os grupos estudados (p<0,0001), sendo que GC e FN, apresentaram valores superiores de resistência adesiva quando comparados aos grupos FFA e VFS, porém GC-NF e FFA-VFS não apresentaram diferenças estatisticas entre si (p>0,05). A análise dos escores do IAR revelou que grande parte das falhas ocorreram na interface esmalte-resina. Conclui-se que o tratamento do esmalte com FFA 1,23% e VFS a 5%, previamente à fixação de bráquetes ortodônticos, reduziu os valores de resistência adesiva ao cisalhamento.

Escala de Ansiedade Odontológica: Reprodutibilidade das Respostas Dadas em Entrevistas Telefônicas e Pessoais / Dental Anxiety Scale: Reproducibility of Answers Given in Phone and Personal Interviews

Objetivo:Estimar a reprodutibilidade intra-examinador da Escala de Ansiedade Odontológica (DAS) quando aplicada por meio de entrevistas telefônicas e pessoais e estudar a associação entre o grau de ansiedade e variáveis de interesse. Método: Participaram do estudo 50 indivíduos, sendo 38 do sexo feminino com média de idade de 23,9 +- 8,9 anos, moradores do município de Araraquara – SP. Os voluntários responderam a Escala DAS por meio de entrevista telefônica, duas vezes, com intervalo de uma semana entre as mesmas. Após 30 dias, os mesmos participantes responderam a Escala DAS por meio de entrevista pessoal em dois momentos distintos com intervalo de uma semana. Para estudo da reprodutibilidade intra-examinador utilizou-se a estatística Kappa (r) por ponto e por intervalo de confiança. Resultados: A concordância no grau de ansiedade intra-examina dor foi de 0,82 (0,75 - 0,90) para entrevista por meio telefônico e de 0,69 (0,60 - 0,79) para entrevista realizada pessoalmente. Entre as questões componentes da escala DAS, duas apresentaram diferença estatística significante na reprodutibilidade intra-examinador sendo que as respostas dadas mediante ligações telefônicas apresentaram melhor concordância. A prevalência de ansiedade na amostra foi de 92,0% sendo que a maioria (70,0%) apresentou nível baixo, 18,0% ansiedade moderada e 4,0% exacerbada. Conclusão: A classificação dos indivíduos segundo o grau de ansiedade realizada mediante entrevistas por meio de ligações telefônicas e pessoais apresentaram concordância estatisticamente semelhante, entretanto, observou-se melhor concordância quando da aplicação de entrevista por telefone para as questões referentes à ansiedade na sala de espera do dentista e no momento de preparo do “motor” para ser utilizado no tratamento odontológico.

Objective:To estimate the intra-examiner reproducibility of the Dental Anxiety Scale (DAS) when applied by phone and personal interviews and to evaluate the association between the level of anxiety and the factors of interest. Method: The participants were 50 individuals (n=38 females) with mean age of 23.9 +- 8.9 years, living in the city of Araraquara, SP, Brazil. The volunteers answered the DAS by means of two phone interviews with one-week interval between them. After 30 days, the DAS was applied to the same participants by means of personal interviews at two moments with one-week interval between them. Intra-examiner reproducibility was determined using Kappa (r) statistics by point and by confidence interval. Results: The intra-examiner agreement for the level of anxiety was 0.82 (0.75-0.90) for the phone interview and 0.69 (0.60-0.79) for the personal interview. Two of the DAS questions presented statistically significant difference in the intra-examiner reproducibility, with better agreement for the answers given by the participants during phone calls. The prevalence of dental anxiety in the sample was 92.0%, in such a way that 70.0%, 18.0% and 4.0% of them presented low, moderate and exacerbated anxiety. Conclusion: The classification of the individuals according to the anxiety level performed by means of phone and personal interviews presented statistically similar agreement. However, there was better agreement with phone calls for the questions referring to anxiety in the dental office’s waiting room and during preparation of the “motor” for use in the dental treatment.