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PURPOSE: To evaluate the antineoplastic therapy (AT) as a risk factor for dental caries lesions independent of other risk factors such as income, family education, stimulated salivary flow rate, hygiene habits, frequency of sugar intake, and microbiota in childhood cancer (CC) patients. METHODS: 72 individuals were divided into CC patients (n=36) and healthy individuals (control group - CT n=36). Demographic data, hygiene habits, frequency of sugar intake, CC type, and AT were collected. Stimulated salivary flow rate was measured and the presence and concentration of Streptococcus mutans were assessed using a real-time polymerase chain reaction (qPCR) technique. Clinical evaluations included plaque index (PI) and decayed-missing-filled-teeth index (dmft/DMFT). Descriptive statistics, T-test, Mann-Whitney test, chi-square test, Fisher's exact test, and two-way analysis of variance were used for data analysis (p<0.05). RESULTS: At the time of oral evaluation, both groups exhibited similar ages with means of 12.0±3.9 years old for CC and 12.0±4.0 years old for CT patients. All CC patients underwent chemotherapy with nine also undergoing radiotherapy. Significant differences were observed between the groups in terms of color/race, income, family education, and hygiene habits. However, no statistically significant differences were found between groups regarding the frequency of sugar intake, stimulated salivary flow rate, or the concentration of Streptococcus mutans (qPCR technique). For clinical parameters, the DMF (CC:1.80, CT: 0.75), decayed (CC: 0.88, CT: 0.19), missing (CC: 0.25, CT:0), and PI (CC: 30.5%, CT: 22.6%) were higher in the CC group (p<0.05). CONCLUSION: Childhood cancer (CC) patients undergoing antineoplastic therapy (AT) exhibit a higher prevalence of dental caries, regardless of income/education, frequency of sugar intake, stimulated salivary flow rate, and microbiota.

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OBJECTIVES: To investigate the effect of antineoplastic therapy (AT) in the periodontal tissues of childhood cancer (CC) patients. MATERIALS AND METHODS: Seventy-two individuals were divided into CC (n=36) and healthy individuals (control group-CG, n=36). Demographics, hygiene habits, CC type, and AT were collected. Salivary flow and the presence and concentration of Porphyromonas gingivalis, Aggregatibacter actinomycetemcomitans, Tannerella forsythia, and Fusobacterium nucleatum were analyzed. Clinical evaluation included plaque (PI) and gingival indexes (GI), periodontal probing depth (PPD), and clinical attachment level (CAL). Patients were classified into periodontal health, gingivitis, or periodontitis. Descriptive statistics, T test, Mann-Whitney test, chi-square, Fisher's exact test, and two-way analysis of variance were used (p<0.05). RESULTS: The mean age of the patients was similar (CC 12.0±3.9 years and CG 12.0±4.0 years). In the CC group, all patients underwent chemotherapy and nine radiotherapy. Color/race, income, and family education showed significant differences between groups. There was no difference between groups in salivary flow. Higher levels of Fusobacterium nucleatum were seen in CC (p=0.02). Significant difference between groups was found for PI (CC: 30.5%, CG: 22.6%), GI (CC: 28.8%, CG: 17.3%), PPD (CC: 1.77 mm, CG: 1.61 mm), and CAL (CC: 1.77 mm, CG: 1.57 mm), periodontal health (CC: 3, CG: 7), gingivitis (CC: 16, CG: 24), or periodontitis (CC: 17, CG: 5). CONCLUSION: AT in CC patients presents a negative impact in the periodontal and microbiological parameters. CLINICAL RELEVANCE: Childhood cancer individuals showed worse periodontal parameters and higher levels of Fusobacterium nucleatum in the saliva when compared to healthy individuals.

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OBJECTIVE: To evaluate prevalence, distribution, intensity and extent of physiologic gingival melanin pigmentation (GMP) in black individuals. MATERIALS AND METHODS: For this cross-sectional study, GMP was evaluated on digital images by three calibrated examiners, according to de Krom (distribution), DOPI (intensity) and Melanin Index (extent) classifications. Descriptive statistics, Wilcoxon, Mann-Whitney, Kruskal-Wallis, Two-way ANOVA, chi square, and K-means cluster analysis were used. RESULTS: Seventy participants were recruited. The most prevalent GMP categories were: de Krom category 2 (34.3%), DOPI heavy intensity (57.2%), and Melanin index Degree IV (50%). Significant inter-group differences were found for age (p < 0.05) but not gender (p > 0.05). Significant correspondence/overlap was observed between classifications (p > 0.05). Three GMP clusters were identified: Cluster 1 (27%; n = 19) had mild asymmetric and interspersed pigmentation; Cluster 2 (46%; n = 32) had heavy pigmentation in one long continuous ribbon, with pink marginal gingiva; and Cluster 3 (27%; n = 19) had heavy pigmentation in one long continuous ribbon, symmetric, and uniform. CONCLUSIONS: There may be overlap among GMP classification systems. In black individuals, the predominant GMP presentation is one of a broad zone of heavily pigmented attached gingiva, in a continuous strip from central incisors to canines, symmetrical across the midline, and with pink free marginal gingiva. CLINICAL RELEVANCE: This is the first study to analyze distribution, intensity, and extent of gingival melanin pigmentation in the same population and to integrate the various classification systems through cluster analysis. The novel findings provide a foundation for patient assessment and counseling and for future studies.

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AIM: To assess the effect of aesthetic crown lengthening (ACL) and lip repositioning surgery (LRS) on perception of smile attractiveness. MATERIALS AND METHODS: Preoperative and 6-month postoperative smile photographs of ACL- or LRS-treated patients were evaluated by 100 raters (five gender-balanced groups of ten per procedure) of diverse background (dental students, general dentists, periodontists and laypersons with and without any aesthetic concerns about their own smile). Smile attractiveness was rated by visual analogue scale (VAS). Multivariate mixed-effect models were applied to determine the effect of procedure, rater (age, gender and group) and case (gingival display and GD) on smile attractiveness rating. RESULTS: Average preoperative and postoperative VAS scores for ACL patients were 3.8 ± 2.0 and 6.2 ± 1.9, respectively. Corresponding LRS patient values were 4.8 ± 2.0 and 6.4 ± 1.9. Treatment, baseline GD and rater age were significant determinants (p < .001) of smile attractiveness for both procedures. Rater gender was not significant. Rater group was significant (p < .032) only for ACL. Procedure (p < .001), baseline VAS (p < .001), change in GD (p ≤ .002) and rater age (p ≤ .017) were significant determinants of smile attractiveness change from preoperative to postoperative. CONCLUSIONS: ACL and LRS are two periodontal plastic surgery procedures that deliver significant smile attractiveness improvements, in the eyes of both laypersons and dental professionals.

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The pathogenesis of periodontitis involves a complex interaction between the microbial challenge and the host immune response. The individual immunoinflammatory response has a great contribution in the pathogenesis of the disease and becomes a trigger in the process of bone remodeling which is a characteristic of the disease. Thus, the aim of this study was to evaluate the influence of the TLR4 A896G (rs4986790), TLR4 C1196T (rs4986791), CD14 C-260T (rs2569190), RANKL (TNFSF11, rs2277438), and OPG (TNFSF11B C163T, rs3102735) polymorphisms in periodontitis. A case-control study was conducted on patients with periodontitis (N = 203) and controls (N = 213) over 30 years of age, without diabetes mellitus, acute infections, and osteoarthritis, and patients without aggressive periodontitis, i.e., stage IV and C degree of periodontitis, and any periodontal treatment performed in the last 6 months. Genotypes were determined by the PCR-RFLP and sequencing method. The frequency comparisons between case and controls were performed using the chi-square test and logistic regression (OpenEpi and SNPStats software). The risk (OR) was evaluated for values of P < 0.05. Differences in TLR4, CD14, RANKL, and OPG genotype and allele frequency distributions were not observed between patients and controls. However, some variants were a risk factor for the development of periodontitis when considering gender and smoking habits. The TLR4 896 A/G genotype was a risk factor for periodontitis in males (OR = 2.86), and the TLR4 1196C/C genotype was a risk factor for nonsmoking males (OR = 1.85) when compared to women. The RANKL A/A and the OPG T/C genotype was associated with the risk of the disease in nonsmoking men compared to nonsmoking women with the same genotype (OR = 1.96 and OR = 2.9, respectively). In conclusion, TLR4, CD14, RANKL, and OPG variants were not associated with periodontitis. However, TLR4, RANKL, and OPG polymorphisms could be a risk for periodontitis in males regardless of smoking habits.

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Genetic variations contribute to the susceptibility in the development of periodontitis. The aim of this study was to investigate the influence of IL18, IL12, and MMP9 polymorphisms in the chronic periodontitis. This case-control study involved 381 individuals matched by gender and age. Genotyping of IL18 (rs187238 and rs1946518) and IL12B (rs3212227) was performed by PCR-SSP and PCR-RFLP was used for MMP9 (rs3918242). IL-18 and MMP-9 were quantified in the serum by ELISA. SNPStats and OpenEpi software were used for statistical analysis and, in order to eliminate smoking as a confounding factor, the analyses were also performed in nonsmoking subjects. The IL18-137G/C genotype was associated with the risk of chronic periodontitis in nonsmokers (P c = 0.03; OR = 1.99; overdominant inherence model). In the multivariate analyses, homozygous IL18-137G/G and IL18-607C/C were more frequent in males compared to women with these same genotypes (OR = 2.51 and OR = 3.30, respectively). The serum levels of the IL-18 in patients were higher than those in healthy controls (P = 0.005). IL12B and MMP9 polymorphisms and MMP-9 serum concentration were similar in patients and controls. In this study, IL18 was associated with chronic periodontitis susceptibility. Men had greater risk than women for developing the disease when IL18 polymorphism was considered and the susceptibility was independent of the smoking status.

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The aim of the present review was to describe the studies produced in Latin America that contributed to the elucidation of the effect of tooth extraction with and without immediate implant installation. An electronic search was conducted in MEDLINE (PubMed), Scopus, Scielo, Lilacs, and Embase to include clinical and experimental (animal) studies on immediate implants. The studies selected had to fulfill the following inclusion criteria: (i) to present clinical and/or histological data on socket healing with or without immediate implant installation; (ii) to be approved by a Latin American Ethic Committee or comparable; and (iii) to include at least one author from a Latin American institution or to be conducted in a Latin America institution. Latin American studies that fulfilled these criteria demonstrated that immediate implant installation was conducive for predictable osseointegration and high survival rates but failed to prevent bone modeling and dimensional reduction of the alveolar ridge. In addition, it was also shown that regenerative approaches, including hard and soft tissue grafts at the time of immediate implant placement, may be beneficial to compensate for the alveolar ridge reduction. Regenerative approaches immediately after tooth extraction may decrease the amount of dimension reduction of the alveolar ridge.

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Objetivo: avaliar retrospectivamente as características dos implantes colocados no curso de especialização do Centro Universitário Ingá (Uningá). Material e métodos: os prontuários dos pacientes que realizaram tratamento entre 2005 e 2014 na Uningá foram analisados quanto à saúde sistêmica, sexo, idade, local de colocação, uso de enxertos, diâmetro e comprimento dos implantes, e complicações. Resultados: neste centro, 108 pacientes receberam 307 implantes de quatro marcas comerciais diferentes (154 na maxila e 160 na mandíbula). Os implantes foram instalados mais em mulheres (67,6%), principalmente na região posterior (76,7%), tanto de maxila (49%) quanto de mandíbula (51%), com o uso de enxertos ósseos em cerca de 20% dos casos da maxila e somente 1% dos casos de mandíbula. Além disso, ainda são realizados muitos implantes longos (38,6% > 13 mm), de diâmetro regular (83,6% entre 3,75 mm e 4 mm) e com plataforma do tipo hexágono externo (97,7%). Conclusão: no local pesquisado, ainda são instalados muitos implantes na região posterior, longos e de diâmetro regular, com plataforma do tipo hexágono externo. Além disso, os enxertos ósseos são usados em um em cada dez casos de implantes, principalmente na maxila.

Objective: to retrospectively evaluate the characteristics of implants placed in the specialization course of the Inga University Center (Uningá). Material and methods: the medical records of patients who underwent treatment between 2005 and 2014 at Uningá were analyzed for systemic health, gender, age, area of installation, use of grafts, diameter and length of the implants and complications. Results: in this center, 108 patients received 307 implants (four different brands, 154 in maxilla and 160 in mandible). The implants were installed more frequently in women (67.6%), mainly in the posterior region (76.7%), in both maxilla (49%) and mandible (51%), with the use of bone grafts in 20% of maxillary cases and only 1% of cases in mandible. The prevalence of long (38.6%, 13 mm), regular diameter (83.6% between 3.75 mm and 4 mm), and external hex implants (97.7%) was great. Conclusion: at the Uningá, many implants in the posterior region, long and of regular diameter with external hexagonal platform are still installed. Moreover, bone grafts are used in 1 of each 10 cases of implants, mainly in th e maxilla.

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AIM: The objective of this prospective study was to assess clinical and patient-centred outcomes of aesthetic crown lengthening surgery for the treatment of altered passive eruption. MATERIALS AND METHODS: Twenty-two patients were treated and followed up for 6 months. The evaluated clinical parameters included, among others, probing depth, clinical attachment level, clinical crown length (CLc ), cemento-enamel junction to alveolar bone crest distance, gingival width (GW) and gingival display (GD). Subjects completed surveys to evaluate satisfaction with smile, gingiva and tooth features and experience with the procedure. RESULTS: Average CLc was 8.5 ± 0.5 mm at baseline and significantly increased (9.9 ± 0.5 mm; p < 0.0001) at 6 months. Concomitantly, GW significantly decreased from baseline (5.8 ± 1.2 mm) to 6 months (4.9 ± 1.1 mm; p < 0.008), as did GD (from 2.6 ± 2.0 mm to 1.1 ± 1.9 mm; p < 0.0001). In contrast to their pre-operative satisfaction level, the majority (≥73%) of patients were very satisfied post-operatively with gingival and tooth display, when smiling or talking, and with maxillary anterior tooth size and shape. All patients would undergo the procedure again and would recommend it to someone with a similar problem. CONCLUSION: Aesthetic crown lengthening surgery results in high levels of patient satisfaction and predictable and stable outcomes in the short term.

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The aim of the present study was to conduct a systematic review of the literature to compare soft tissue aspects of immediate and delayed implant placement in esthetic areas. This review of literature was conducted in the following databases: MEDLINE (PubMed), Lilacs, Scielo, EMBASE, and Cochrane Central Register of Controlled Trials (CENTRAL). For those studies that met the inclusion/exclusion criteria, the results were analyzed and summarized according to the treatment protocol used for implant placement. The primary parameters taken into consideration were papilla level (PL) and marginal mucosa level (MML) around implants. Four randomized controlled trials (RCT) were selected for analysis, but all were deemed as being of poor quality according to quality assessment. No studies reported any statistically significant differences concerning the soft tissue esthetic parameters analyzed around immediate or delayed implants at any follow-up periods reported. However, PL results seemed to be more reliable than were MML results, due to the PL standardization of the method of analysis, which showed a tendency for poorer results around immediately placed implants. In conclusion, although the results are based on only a few poor quality RCTs, both treatment options for implant placement demonstrated similar outcomes in the esthetic area, especially when PL was considered.

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O sorriso gengival é uma condição que acomete uma proporção considerável da população causando, muitas vezes, um problema estético para o indivíduo. Dentre as diversas causas de sorriso gengival, a hiperfunção do músculo levantador do lábio superior é uma das mais significativas. Esse relato de caso teve por objetivo demonstrar uma forma alternativa, menos invasiva, de tratamento do sorriso gengival causado pela hiperfunção do músculo levantador do lábio superior. Paciente, gênero feminino, 22 anos, buscou a clínica com queixa de excesso de exposição gengival ao sorrir. Após anamnese e exame clínico, ficou caracterizado o sorriso gengival, com 4 mm de gengiva aparecendo durante o sorriso, causado por hiperfunção do músculo levantador do lábio superior. A paciente foi tratada pela técnica de reposição labial, em que duas faixas de mucosa de cerca de 10 mm de altura são removidas do fundo de vestíbulo, com preservação do freio. A mucosa foi reposicionada coronalmente e suturada. A paciente foi acompanhada por seis meses e, ao final deste período, demonstrava um sorriso mais harmônico com 1 mm de exposição gengival. Pôde-se concluir que a técnica utilizada é capaz de tratar adequadamente, promovendo uma diminuição na quantidade de exposição gengival, e de forma mais conservadora casos de sorriso gengival cuja causa é a hiperfunção do músculo levantador do lábio superior...

The gummy smile is a condition that affects a considerable proportion of the population, often causing a cosmetic problem for the individual. Among the various causes of gummy smile, the hyperfunctional upper lip elevator muscle is one of the most significant. This case report aims to demonstrate an alternative, less invasive, treatment for gummy smile caused by hyperfunctional upper lip elevator muscle. Female patient, 22 years old, sought the clinic complaining of excessive gingival display when smiling. After anamnesis and clinical evaluation the gummy smile was characterized, with 4 mm of gingiva appearing during smile, caused by hyperfunction of upper lip elevator muscle. The patient was treated by the lip repositioning technique, in which two strips of mucosa of about 10 mm height are removed from the bottom of the vestibule, with frenum preservation. The mucosa was coronally repositioned and sutured. The patient was followed up for six months and at the end of this period she showed a more harmonious smile with 1 mm of gingival exposure. It can be concluded that the technique is able to adequately, decreasing the amount of exposed gingiva, and conservatively treat cases of gummy smile caused by hyperfunction of upper lip elevator muscle...

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Introdução: recentemente foi lançada uma nova categoria de resinas para restaurações posteriores (Bulk Fill). Essa categoria tem a vantagem de mínima tensão pela contração durante o processo de polimerização, sendo um substituto da dentina. Caso clínico: este trabalho demonstra a resolução de restauração classe II no dente 35 utilizando esta nova técnica. O elemento dental apresentava restauração de amálgama onde foi constatada uma recidiva por cárie pela face distal, a qual foi removida e assim se obteve acesso direto a lesão cariosa. Após remoção e proteção pulpar foi adaptada a matriz e realizados os procedimentos adesivos. A parte da dentina foi substituída pela resina de autonivelamento para base em dentes posteriores (SDR) adaptada nas paredes de fundo e gengival, seguindo a inserção da resina referente ao esmalte IPS Empress Direct até sua conclusão. Conclusão: a técnica diminui o tempo clínico e facilita a adaptação da resina composta a parede gengival durante o procedimento restaurador

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Excessive gingival display during smiling ("gummy smile") is an esthetic issue that affects a considerable part of the population. The hyperactivity of the elevator muscle of the upper lip is one of the main causes of a gummy smile, and several techniques have been proposed for its treatment. The aim of this report is to describe a modification of the lip repositioning technique to achieve stable and significant outcomes through a more conservative procedure. Two patients complaining about a gummy smile were treated with the proposed technique and presented, after a 6-month follow-up, significant improvement in the amount of gingival exposure and esthetic satisfaction.

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Introdução: a lateralização do nervo alveolar inferior é uma opção de tratamento para mandíbulas atróficas em que a reabilitação protética fica limitada pela reabsorção vertical na região posterior que resulta na proximidade entre o canal mandibular e o rebordo alveolar. Essa manobra cirúrgica pode resultar em dormência e alteração sensorial ao longo do trajeto do nervo. Objetivo: avaliar a função do nervo alveolar inferior e a satisfação do paciente após cirurgia de lateralização. Métodos: foram realizadas 20 cirurgias de lateralização com instalação imediata de 52 implantes. Todos os pacientes foram operados pelo mesmo cirurgião, seguindo um protocolo cirúrgico padronizado. Após 6 meses do procedimento, os pacientes responderam um questionário sobre a presença de alteração sensorial após a cirurgia e a satisfação com o resultado do procedimento. Resultados: todos os indivíduos relataram perturbação sensorial transitória inicial, com relatos de melhora a partir do terceiro dia, ocorrendo, em média, 45 dias após a cirurgia. Em um caso não houve melhora por completo em 6 meses. Mesmo com as alterações sensoriais, todos os pacientes fariam novamente ou indicariam a realização da cirurgia. Conclusões: a lateralização do nervo alveolar inferior pode ser segura e previsível, resultando em alteração sensorial mínima e reversível, sem danos significativos ao paciente, desde que realizada com protocolo cirúrgico padronizado.

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Os implantes dentários têm sido uma opção segura na reabilitação bucal. Os curtos, menores que 10mm, são usados em situações clínicas com grandes reabsorções ósseas após perda dentária, ao invés de um processo de enxertia óssea. Esse trabalho consiste no relato de um caso de perda do elemento dentário 15 há mais de 17 anos, e da consequente deficiência de volume ósseo remanescente. Entre as possíveis opções de tratamento com implantes dentários, foram apresentados os enxertos ósseos e instalação de implantes de tamanho convencional e implantes curtos. Como forma mais conservadora, de menor morbidade, de menor custo e com diminuição de tempo de tratamento, os implantes curtos tornaram-se a opção de escolha da paciente. Muitos trabalhos têm relatado altos índices de sucesso dos implantes curtos, considerando a importância da qualidade óssea, diâmetro, geometria, desenho e tratamento de superfície. Essa escolha de técnica pode ser uma boa alternativa de tratamento para áreas onde o volume ósseo é reduzido. Entretanto, o sucesso desse tipo de tratamento está relacionado à execução de um planejamento criterioso.

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AIM: The objective of this prospective study was to investigate outcomes of a lip repositioning technique for the treatment of excessive gingival display. MATERIALS AND METHODS: Thirteen consecutively treated patients with excessive gingival display were treated with a modified lip repositioning technique. Treatment consisted of the removal of two strips of mucosa, bilaterally to the maxillary labial frenum and coronal repositioning of the new mucosal margin. The clinical dimensions of gingival display, upper lip and vermillion length were measured at baseline, 3 and 6 months post-operatively. Subjects completed surveys to evaluate satisfaction with outcomes. RESULTS: The baseline gingival display of 5.8 ± 2.1 mm significantly decreased to 1.4 ± 1.0 mm at 3 months (p < 0.0001) and was maintained until 6 months (1.3 ± 1.6 mm). The reduction in gingival display strongly correlated to the combined change in upper lip and vermillion length (r(2)  = 0.60, p = 0.0018). Subjects were satisfied with their smile after surgery and would likely choose to undergo the procedure again (92%). The worst part of undergoing the procedure was the discomfort or the inability to move the lip during the early healing (69%). CONCLUSION: Treatment of excessive gingival display by means of a modified lip repositioning technique results in high level of patient satisfaction and predictable outcomes that are stable in the short term.

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Diferentes técnicas de moldagem são utilizadas para obtenção de estruturas adaptadas e passivas sobre múltiplos implantes. A forma da moldeira, a técnica de moldagem e a seleção de materiais de moldagem influenciam estes resultados. Desta forma, o objetivo do presente estudo foi propor uma nova técnica de moldagem segura e rápida para múltiplos implantes. Para tanto, uma estrutura em titânio foi confeccionada com uma barra e cinco Uclas em titânio, à qual foram parafusados cinco implantes. Foi criado um modelo mestre que foi moldado e replicado em oito novos modelos através de duas técnicas de moldagem, uma empregando uma moldeira rígida de poliestireno sem a união dos transferentes (grupo I) e outra utilizando moldeiras individuais de resina acrílica e união dos transferentes com resina acrílica (grupo II). Sobre os modelos do grupo I e II e o modelo mestre, a estrutura foi provada e os gaps presentes mensurados em microscópio eletrônico de varredura (MEV). Os valores médios encontrados para os gaps foram de 3,42 + 0,86 µm no modelo mestre, 3,51 + 1,26 µm para o grupo I e 3,53 + 1,37 µm para o grupo II. Os dois grupos apresentaram o mesmo desempenho do modelo mestre em relação à adaptação da estrutura, sem diferença estatística entre os grupos (p > 0,05). A técnica da moldeira em poliestireno rígido mostrou-se confiável, assim como a da moldeira em resina acrílica com união dos transferentes. As vantagens observadas foram velocidade e simplificação do procedimento, eliminação de variáveis indesejáveis com economia de tempo clínico.

Different impression techniques are used to obtain well-fit and passive structures over multiple implants. Tray configuration, impression technique, and materials selection influence final results. Therefore, the aim of the present study was to propose a new safe and fast impression technique for multiple implants. For this, a one-piece titanium framework was made and received five UCLA titanium abutments screwed to dental implants. A master model was created and eight new models were obtained by using to impression techniques: G1 (polystyrene rigid tray without transfer splinting with acrylic resin) and G2 (customized acrylic trays with splinted transfer components). The titanium framework was connected over the two groups and gaps inspected at SEM. Mean values obtained were as follows: master model (3,42 + 0,86 µm), G1 (3,51 + 1,26 µm), and G2 (3,53 + 1,37 µm). No statistically significant differences were seen among groups (p>0.05). The polystyrene rigid tray technique presented reliable results such as the acrylic resin tray with splinted transfer copings. Advantages of this technique include a faster and simplified procedure, no confounding variables, and less chairside time

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O sorriso gengival é uma condição que acomete uma proporção considerável da população causando, muitas vezes, um problema estético para o indivíduo. Dentre as diversas causas de sorriso gengival, a hiperfunção do músculo levantador do lábio superior é uma das mais significativas. Esse relato de caso teve por objetivo demonstrar uma forma alternativa, menos invasiva, de tratamento do sorriso gengival causado pela hiperfunção do músculo levantador do lábio superior. Paciente, gênero feminino, 22 anos, buscou a clínica com queixa de excesso de exposição gengival ao sorrir. Após anamnese e exame clínico, ficou caracterizado o sorriso gengival, com 4 mm de gengiva aparecendo durante o sorriso, causado por hiperfunção do músculo levantador do lábio superior. A paciente foi tratada pela técnica de reposição labial, em que duas faixas de mucosa de cerca de 10 mm de altura são removidas do fundo de vestíbulo, com preservação do freio. A mucosa foi reposicionada coronalmente e suturada. A paciente foi acompanhada por seis meses e, ao final deste período, demonstrava um sorriso mais harmônico com 1 mm de exposição gengival. Pôde-se concluir que a técnica utilizada é capaz de tratar adequadamente, promovendo uma diminuição na quantidade de exposição gengival, e de forma mais conservadora casos de sorriso gengival cuja causa é a hiperfunção do músculo levantador do lábio superior.

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Introduction: Tooth whitening or dental bleaching is a cosmetic procedure that has established itself in Dentistry; however, the staining because of the ingestion of some types of food may cause several factors leading to the failure of this treatment. Objective: This study aimed to evaluate in vitro the influence of the immersion of whitened teeth in solutions with a high degree of pigmentation on the efficacy of the bleaching performed with 16% hydrogen peroxide. Material and methods: Fifty-six human teeth were selected, bleached for 4 hours a day during 14 days and randomly divided into 7 groups (n = 8). The groups G1/G2 and G3 were immersed in coloring solutions immediately (IM) after bleaching (AP): G1 - tooth whitening + coffee (IM), G2 - tooth whitening + cola-based soft drink (IM) and G3 - tooth whitening + red wine (IM); G4/and G6 were immersed in the solutions for 2 hours (AP), G4 - tooth whitening + coffee (AP), G5 - tooth whitening + cola based soft drink (AP), G6 - tooth whitening + red wine and (AP) G7 - control. After bleaching with an immersion time of 5 minutes, with the aid of a digital spectrophotometer, the final color (FC) was measured 24 hours after the end of the bleaching treatment (day 15). Results: The results for ANOVA showed no statistical differences in all groups. Conclusion: There was no influence on the effectiveness of tooth whitening immersed in coloring solutions.

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A doença periodontal tem como fator etiológico primário o biofilme dental, cujo crescimento pode ser favorecido por grande variedade de fatores retentivos locais como, por exemplo, próteses parciais, que podem alterar a progressão e o risco da doença periodontal. O objetivo deste trabalho foi avaliar o efeito do uso de próteses parciais removíveis (PPRs) sobre as condições clínicas periodontais, comparando os dentes retentores com os dentes não retentores. Foram selecionados 22 pacientes, de ambos os gêneros, da Clínica de Graduação e Especialização em Prótese da Uningá, com indicação de reabilitação com PPRs em apenas uma das arcadas. Os seguintes parâmetros clínicos periodontais, índice de placa (IP), índice gengival (IG), profundidade de sondagem (PS), recessão gengival (RG) e nível clínico de inserção (NCI) foram avaliados em dois períodos distintos: antes da instalação da PPR (T0) e após seis meses da instalação da PPR (T6). A análise dos dados foi feita através do teste t Student pareado considerando-se um nível de significância de 5%. Os resultados revelaram que os dentes retentores apresentaram aumentos significantes para os parâmetros PS, NCI e IP e os dentes não retentores para NCI. Na análise intergrupos inicial, os dentes retentores apresentaram maior RG, IP e IG. Já na análise final, o grupo teste apresentou resultados piores para todos os parâmetros avaliados. De acordo com os resultados pôde-se concluir que após seis meses de uso da PPR houve piora das condições periodontais nos dentes retentores.

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