Direct measurement of time-dependent anesthetized in vivo human pulp temperature

Patrício Runnacles, Cesar Augusto Galvão Arrais, Marcia Thais Pochapski, Fábio André Dos Santos, Ulisses Coelho, João Carlos Gomes, Mário Fernando De Goes, Osnara Maria Mongruel Gomes, Frederick Rueggeberg

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Objectives Human intrapupal tooth temperature is considered to be similar to that of the body (≈37 °C), although the actual temperature has never been measured. This study evaluated the in vivo, human, basal, coronal intrapulpal temperature of anesthetized upper first premolars. Methods After approval of the local Ethics Committee was obtained (protocol no. 255,945), upper right and left first premolars requiring extraction for orthodontic reasons from 8 volunteers, ranging from 12 to 30 years old, received infiltrative and intraligamental anesthesia. The teeth (n = 15) were isolated using rubber dam and a small, occlusal preparation was made using high-speed handpiece, under constant air-water spray, until a minute pulp exposure was attained. The sterile probe from a wireless, NIST-traceable, temperature acquisition system (Thermes WFI) was inserted directly into the coronal pulp. Once the probe was properly positioned and stable, real-time temperature data were continuously acquired for approximately 25 min. Data (°C) were subjected to 2-tailed, paired t-test (α = 0.05), and the 95% confidence intervals for the initial and 25-min mean temperatures were also determined. Results The initial pulp temperature value (31.8 ± 1.5 °C) was significantly lower than after 25-min (35.3 ± 0.7 °C) (p < 0.05). The 95% confidence interval for the initial temperature ranged from 31.0 to 32.6 °C and from 35.0 to 35.7 °C after 25 min. A slow, gradual temperature increase was observed after probe insertion until the pulp temperature reached a plateau, usually after 15 min. Significance Consistent coronal, human, in vivo temperature values were observed and were slightly, but significantly below that of body core temperature.

Original languageEnglish (US)
Pages (from-to)53-59
Number of pages7
JournalDental Materials
Volume31
Issue number1
DOIs
StatePublished - Jan 1 2015

Fingerprint

Pulp
Temperature
Bicuspid
Tooth
Rubber Dams
Confidence Intervals
Ethics Committees
Orthodontics
Rubber
Body Temperature
Volunteers
Dams
Anesthesia
Air
Water

Keywords

  • Body temperature
  • Dental high-speed technique
  • Dental pulp
  • LED dental curing lights
  • Organ temperature
  • Premolar

ASJC Scopus subject areas

  • Materials Science(all)
  • Dentistry(all)
  • Mechanics of Materials

Cite this

Runnacles, P., Arrais, C. A. G., Pochapski, M. T., Dos Santos, F. A., Coelho, U., Gomes, J. C., ... Rueggeberg, F. (2015). Direct measurement of time-dependent anesthetized in vivo human pulp temperature. Dental Materials, 31(1), 53-59. https://doi.org/10.1016/j.dental.2014.11.013

Direct measurement of time-dependent anesthetized in vivo human pulp temperature. / Runnacles, Patrício; Arrais, Cesar Augusto Galvão; Pochapski, Marcia Thais; Dos Santos, Fábio André; Coelho, Ulisses; Gomes, João Carlos; De Goes, Mário Fernando; Gomes, Osnara Maria Mongruel; Rueggeberg, Frederick.

In: Dental Materials, Vol. 31, No. 1, 01.01.2015, p. 53-59.

Research output: Contribution to journalArticle

Runnacles, P, Arrais, CAG, Pochapski, MT, Dos Santos, FA, Coelho, U, Gomes, JC, De Goes, MF, Gomes, OMM & Rueggeberg, F 2015, 'Direct measurement of time-dependent anesthetized in vivo human pulp temperature', Dental Materials, vol. 31, no. 1, pp. 53-59. https://doi.org/10.1016/j.dental.2014.11.013
Runnacles P, Arrais CAG, Pochapski MT, Dos Santos FA, Coelho U, Gomes JC et al. Direct measurement of time-dependent anesthetized in vivo human pulp temperature. Dental Materials. 2015 Jan 1;31(1):53-59. https://doi.org/10.1016/j.dental.2014.11.013
Runnacles, Patrício ; Arrais, Cesar Augusto Galvão ; Pochapski, Marcia Thais ; Dos Santos, Fábio André ; Coelho, Ulisses ; Gomes, João Carlos ; De Goes, Mário Fernando ; Gomes, Osnara Maria Mongruel ; Rueggeberg, Frederick. / Direct measurement of time-dependent anesthetized in vivo human pulp temperature. In: Dental Materials. 2015 ; Vol. 31, No. 1. pp. 53-59.
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abstract = "Objectives Human intrapupal tooth temperature is considered to be similar to that of the body (≈37 °C), although the actual temperature has never been measured. This study evaluated the in vivo, human, basal, coronal intrapulpal temperature of anesthetized upper first premolars. Methods After approval of the local Ethics Committee was obtained (protocol no. 255,945), upper right and left first premolars requiring extraction for orthodontic reasons from 8 volunteers, ranging from 12 to 30 years old, received infiltrative and intraligamental anesthesia. The teeth (n = 15) were isolated using rubber dam and a small, occlusal preparation was made using high-speed handpiece, under constant air-water spray, until a minute pulp exposure was attained. The sterile probe from a wireless, NIST-traceable, temperature acquisition system (Thermes WFI) was inserted directly into the coronal pulp. Once the probe was properly positioned and stable, real-time temperature data were continuously acquired for approximately 25 min. Data (°C) were subjected to 2-tailed, paired t-test (α = 0.05), and the 95{\%} confidence intervals for the initial and 25-min mean temperatures were also determined. Results The initial pulp temperature value (31.8 ± 1.5 °C) was significantly lower than after 25-min (35.3 ± 0.7 °C) (p < 0.05). The 95{\%} confidence interval for the initial temperature ranged from 31.0 to 32.6 °C and from 35.0 to 35.7 °C after 25 min. A slow, gradual temperature increase was observed after probe insertion until the pulp temperature reached a plateau, usually after 15 min. Significance Consistent coronal, human, in vivo temperature values were observed and were slightly, but significantly below that of body core temperature.",
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AU - Arrais, Cesar Augusto Galvão

AU - Pochapski, Marcia Thais

AU - Dos Santos, Fábio André

AU - Coelho, Ulisses

AU - Gomes, João Carlos

AU - De Goes, Mário Fernando

AU - Gomes, Osnara Maria Mongruel

AU - Rueggeberg, Frederick

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N2 - Objectives Human intrapupal tooth temperature is considered to be similar to that of the body (≈37 °C), although the actual temperature has never been measured. This study evaluated the in vivo, human, basal, coronal intrapulpal temperature of anesthetized upper first premolars. Methods After approval of the local Ethics Committee was obtained (protocol no. 255,945), upper right and left first premolars requiring extraction for orthodontic reasons from 8 volunteers, ranging from 12 to 30 years old, received infiltrative and intraligamental anesthesia. The teeth (n = 15) were isolated using rubber dam and a small, occlusal preparation was made using high-speed handpiece, under constant air-water spray, until a minute pulp exposure was attained. The sterile probe from a wireless, NIST-traceable, temperature acquisition system (Thermes WFI) was inserted directly into the coronal pulp. Once the probe was properly positioned and stable, real-time temperature data were continuously acquired for approximately 25 min. Data (°C) were subjected to 2-tailed, paired t-test (α = 0.05), and the 95% confidence intervals for the initial and 25-min mean temperatures were also determined. Results The initial pulp temperature value (31.8 ± 1.5 °C) was significantly lower than after 25-min (35.3 ± 0.7 °C) (p < 0.05). The 95% confidence interval for the initial temperature ranged from 31.0 to 32.6 °C and from 35.0 to 35.7 °C after 25 min. A slow, gradual temperature increase was observed after probe insertion until the pulp temperature reached a plateau, usually after 15 min. Significance Consistent coronal, human, in vivo temperature values were observed and were slightly, but significantly below that of body core temperature.

AB - Objectives Human intrapupal tooth temperature is considered to be similar to that of the body (≈37 °C), although the actual temperature has never been measured. This study evaluated the in vivo, human, basal, coronal intrapulpal temperature of anesthetized upper first premolars. Methods After approval of the local Ethics Committee was obtained (protocol no. 255,945), upper right and left first premolars requiring extraction for orthodontic reasons from 8 volunteers, ranging from 12 to 30 years old, received infiltrative and intraligamental anesthesia. The teeth (n = 15) were isolated using rubber dam and a small, occlusal preparation was made using high-speed handpiece, under constant air-water spray, until a minute pulp exposure was attained. The sterile probe from a wireless, NIST-traceable, temperature acquisition system (Thermes WFI) was inserted directly into the coronal pulp. Once the probe was properly positioned and stable, real-time temperature data were continuously acquired for approximately 25 min. Data (°C) were subjected to 2-tailed, paired t-test (α = 0.05), and the 95% confidence intervals for the initial and 25-min mean temperatures were also determined. Results The initial pulp temperature value (31.8 ± 1.5 °C) was significantly lower than after 25-min (35.3 ± 0.7 °C) (p < 0.05). The 95% confidence interval for the initial temperature ranged from 31.0 to 32.6 °C and from 35.0 to 35.7 °C after 25 min. A slow, gradual temperature increase was observed after probe insertion until the pulp temperature reached a plateau, usually after 15 min. Significance Consistent coronal, human, in vivo temperature values were observed and were slightly, but significantly below that of body core temperature.

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