Pulpal temperature increase with high-speed handpiece, Er:YAG laser and ultrasound tips

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorMollica, Fernanda Brandão-
Autor(es): dc.creatorCamargo, Fernanda Pelogia-
Autor(es): dc.creatorZamboni, Sandra Costa-
Autor(es): dc.creatorPereira, Sarina Maciel Braga-
Autor(es): dc.creatorTeixeira, Symone Cristina-
Autor(es): dc.creatorNogueira Jr., Lafayette-
Data de aceite: dc.date.accessioned2025-08-21T16:19:33Z-
Data de disponibilização: dc.date.available2025-08-21T16:19:33Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2008-01-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1590/S1678-77572008000300009-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/231836-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/231836-
Descrição: dc.descriptionThe aim of this study was to compare intrapulpal temperature increase produced by high-speed handpiece, Er:YAG laser and CVDentus ultrasound tips during cavity preparation. Thirty bovine mandibular incisors with an enamel/dentin thickness of 4 mm at buccal surface had their roots amputated and were allocated to the following groups (n=10): Group I- high-speed handpiece; Group II- noncontact Er:YAG laser (250 mJ/4Hz); and Group III- CVDentus ultrasouns tips. All devices were used with water cooling. Class V cavities were prepared to a depth of 3.5 mm, measured with a periodontal probe. A type T thermocouple was placed inside the pulp chamber to determine the temperature increase (°C), which was recorded by a data acquisition system ADS 2000 IP (Lynx Technology) linked to a notebook computer. Data were analyzed statistically by oneway ANOVA and Tukey's test (p=0.05). The mean temperature rises were: 1.10°C (±0.56) for Group I, 0.84°C (±0.55) for Group II, and 3.00°C (± 1.34) for Group III. There were no statistically significant differences (p>0.05) between Groups I and II, but both of them differed significantly from Group III (p<0.05). In conclusion, the use of Er:YAG laser and high-speed handpiece for cavity preparation resulted in similar temperature increase. Although ultrasound tips generated significantly higher intrapulpal temperature increase, it remained below the critical value of 5.5°C and may be considered safe for use.-
Descrição: dc.descriptionDepartment of Restorative Dentistry São Paulo State University, São Paulo-
Descrição: dc.descriptionDepartment of Dental Materials and Prosthodontics São Paulo State University, São Paulo-
Descrição: dc.descriptionDepartment of Pediatric Dentistry São Paulo State University, São Paulo-
Descrição: dc.descriptionDepartment of Restorative Dentistry São Paulo State University, São Paulo-
Descrição: dc.descriptionDepartment of Dental Materials and Prosthodontics São Paulo State University, São Paulo-
Descrição: dc.descriptionDepartment of Pediatric Dentistry São Paulo State University, São Paulo-
Formato: dc.format209-213-
Idioma: dc.languageen-
Relação: dc.relationJournal of Applied Oral Science-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectDental cavity preparation-
Palavras-chave: dc.subjectDental pulp-
Título: dc.titlePulpal temperature increase with high-speed handpiece, Er:YAG laser and ultrasound tips-
Tipo de arquivo: dc.typelivro digital-
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