Conflict of Interest Statement: The authors state that there are no financial and personal conflicts of interest that could have inappropriately influenced their work.

In the actual times, with so many rehabilitation techniques and endodontic posts in the market, there are many doubts about which one is the best, the most cost-effective, the one that has more resistance among other questions. This work aimed to compare the intraradicular restorative treatments that involve the use of prefabricated posts and posts made with CAD-CAM, through a literature review in order to reinforce these procedures. Articles and other literary sources with interrelation to CAD-CAM and endodontic posts were surveyed through search in Pubmed, Scielo, Scopus, Lilacs and Google Scholar databases. The keywords: endodontic posts, CAD-CAM, prefabricated posts, customizable posts, fiberglass, carbon fiber were used. More than 100 articles were found, and after reading the abstract, 50 were selected. After reading, 26 were selected for the review. After reading, analyzing and interpreting the scientific studies, it was possible to verify that the CAD-CAM endodontic posts have satisfactory results, although there are few specific studies on them compared with the metallic cast posts and prefabricated posts.

The longevity of prosthetic rehabilitation is determined by the stability of the implant and abutment interfaces. True morse taper connections on dental restorations have been effective, however activation force still empirical. This work compared the activation strength and internal contact of Morse taper system according to the removal force. Eighty sets, composed of implants and prosthetic abutments, were evaluated with different internal contact areas; 15.12mm2 (G3.3) and 21.25mm2 (G4.3). The specimens were activated at 0° and 30°, with loads of 10, 20, 40 and 60N. The specimens were submitted to tensile test and the data to ANOVA and Tukey’s tests (α=0.05). Representative specimens were examined under SEM. Removal force of G3.3 (2.15±1.33MPa) did not differed to G4.3 (1.99±1.03MPa). The activation at 0º (2.95±0.98MPa) statistically differed to 30º (1.19±0.54MPa). The 60N load was statistically superior for G3.3 and there was no statistical difference between 20N to 60N in G4.3. The values of 10N at 30o and 20N at the long axis of the morse taper implant, independent of the frictional contact area showed the best settlement.

Lesões cervicais não cariosas acomete anualmente inúmeras pessoas, causando dor e desconforto, devido à presença de hipersensibilidade dentinária. Este trabalho teve como objetivo comparar a efetividade da irradiação do Laser Therapy XT® com o verniz fluoretado Clinpro White Varnish, através de um ensaio clínico em hemi-arcadas, com base nos escores obtidos pela escala visual analógica. O paciente apresentava dor intolerável (10) nos dentes 14, 15, 45, 24, 25 e 34 e dor forte tolerável (8) nos dentes 26, 27, 43 e 44, para os testes térmico, evaporativo e tátil. O verniz foi aplicado uma única vez nos dentes 14, 15, 43, 44 e 45. Na 1ª semana o escore 10 e 8 baixou para 3 (dor moderada/suportável). Na 2ª semana a sensibilidade permaneceu entre 3 e 1, sendo 1, presença de dor leve e na 3ª semana entre 0 e 1, sendo 0 ausência de dor. O laser terapêutico foi aplicado nos dentes 24, 25, 26, 27 e 34. Na 1ª semana houve queda do Escore 10 e 8 para 5 (dor moderada, porém com incômodo). Na 2ª semana esse escore baixou para 3 (dor moderada/suportável) permanecendo ainda na 3ª semana, com variações entre 3 e 1 (presença de dor leve). Apenas na 4ª semana ocorreu diminuição da sensibilidade, apontando escore entre 1 e 0 (ausência de dor) para os diferentes estímulos. Ambos os tratamentos foram efetivos na redução da sensibilidade dentinária, porém, com tempos de ações diferentes entre os dois produtos, respeitando suas características e propriedades individuais.

Aim: Assessing the intracoronal bleaching effectiveness of an experimental chlorine dioxide product, based on the walking bleach technique. Methods: Extracted bovine incisors were artificially stained with bovine blood and filled with zinc phosphate cement at cementoenamel junction level. Teeth were divided into 3 groups (n=10): (SP) sodium perborate added with distilled water, (CD) chlorine dioxide and (C) control – dry cotton inserted into the pulp chamber. Bleaching agents were used at 0, 7 and 14 days. VITA Easyshadetm (ΔEab) was used to analyze tooth color at the 7th, 14th and 21st days, based on the CIE2000 system. Data were analyzed through ANOVA and Tukey’s test. Results: There were no statistically significant differences in Δb, ΔE, ΔE00 and ΔWID between CD and the control group. These parameters have shown significant differences between CD and SP, which differed from the control. However, they did not show significant differences either in the control group or in CD at the 7th, 14th and 21st days. Values recorded for SP at the 7th day differed from those recorded at the 14th and 21st days. Δa has shown differences within the same group at the 7th, 14th and 21st days. There was no difference between groups, when they were compared at the same day (7th and 14th). The control group differed from SP at the 21st day. CD did not differ from the other two groups. ΔL did not show differences between groups and times. Conclusion: Stabilized chlorine dioxide (0.07%, at pH 3.5) should not be used as intracoronal bleaching agent along with the walking bleach technique.