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Dislodgement resistance and adhesive pattern of different endodontic sealers to dentine wall after artificial ageing: an in-vitro study.
Lin, Galvin Sim Siang; Ghani, Nik Rozainah Nik Abdul; Noorani, Tahir Yusuf; Ismail, Noor Huda; Mamat, Noraida.
Afiliação
  • Lin GSS; Conservative Dentistry Unit, School of Dental Sciences, Universiti Sains Malaysia, Health campusKubang Kerian, 16150, Kota Bharu, Kelantan, Malaysia.
  • Ghani NRNA; Conservative Dentistry Unit, School of Dental Sciences, Universiti Sains Malaysia, Health campusKubang Kerian, 16150, Kota Bharu, Kelantan, Malaysia. rozainah@usm.my.
  • Noorani TY; Conservative Dentistry Unit, School of Dental Sciences, Universiti Sains Malaysia, Health campusKubang Kerian, 16150, Kota Bharu, Kelantan, Malaysia.
  • Ismail NH; Prosthodontics Unit, School of Dental Sciences, Universiti Sains Malaysia, Health campusKubang Kerian, 16150, Kota Bharu, Kelantan, Malaysia.
  • Mamat N; Paediatric Dentistry Unit, School of Dental Sciences, Universiti Sains Malaysia, Health campusKubang Kerian, 16150, Kota Bharu, Kelantan, Malaysia.
Odontology ; 2020 Jul 04.
Artigo em Inglês | MEDLINE | ID: mdl-32623538
ABSTRACT
To compare the dislodgement resistance and the adhesive pattern of four different endodontic sealers to root dentine walls. Ninety lower premolars were assigned to five groups (n = 18), Group 1 no sealer (control); Group 2 EndoRez (ERZ); Group 3 Sealapex (SPX); Group 4 EndoSeal MTA (ESA) and Group 5 BioRoot RCS (BRS). They were instrumented up to size 30 taper 0.06 and obturated using single cone technique with matched-taper gutta-percha cones and one of the mentioned sealers. Six teeth from each group were then randomly subjected to 100, 1000 and 10,000 thermocycles, respectively. 1 mm slice of mid root region, measuring 6 mm from the apical foramen was prepared and subjected to push-out test under a Universal Testing Machine. Adhesive patterns of sealers were assessed using a stereomicroscope at 20 × magnification and classified using a new system. Statistical analyses were performed using two-way ANOVA, complemented by Tukey HSD and Chi-square tests. ESA and BRS showed significantly higher (p < 0.05) push-out bond strength, followed by SPX, ERZ and lastly the control, but no significant difference was noted between ESA and BRS (p > 0.05) at 100, 1000 and 10,000 thermocycles, respectively. Both ESA and BRS exhibited a significant higher rate (p < 0.05) of Type 3 and Type 4 adhesive patterns as the thermocycles increased. ESA and BRS demonstrated higher bond strength and better adhesive pattern to root dentine wall than SPX and ERZ, especially after artificial ageing.
Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Tipo de estudo: Estudo observacional Idioma: Inglês Assunto da revista: Odontologia Ano de publicação: 2020 Tipo de documento: Artigo País de afiliação: Malásia

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Tipo de estudo: Estudo observacional Idioma: Inglês Assunto da revista: Odontologia Ano de publicação: 2020 Tipo de documento: Artigo País de afiliação: Malásia
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