Comparison of the reliability of laser Doppler flowmetry, pulse oximetry and electric pulp tester in assessing the pulp vitality of human teeth

Karayilmaz, Hüseyin; Kırzıoğlu, Zühal

doi:10.1111/j.1365-2842.2010.02160.x

Cited by 68 publications

(131 citation statements)

References 22 publications

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“…Oxygen saturation for maxillary central incisors varies from 79.31% (19) to 94% (8); maxillary lateral incisors from 78.51% (23) to 87.47% (12); canine from 79.85% (19) to 91% (20); premolars 86.2% (22); and premolars and molars that were determined as an only group, the mean was 92.2% (21).…”

Section: Introductionmentioning

confidence: 99%

“…The pulse oximeter has been studied and used as a tool for the diagnosis of pulp condition, because in a healthy pulp is expected a large percentage of oxygen, essential to maintain the vitality of dental pulp and their metabolic needs (3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13). Pulse oximeters measure arterial oxygen saturation (SaO 2 ) in the dental pulp through a probe containing two diodes that emit light in two wavelengths (red spectrum, approximately 660 nm; infrared spectrum, approximately 940 nm).…”

Section: Introductionmentioning

confidence: 99%

“…These methods have also the potential to produce unpleasant sensations and, occasionally, painful to the patient (3-7). Thus, efforts has been made to develop methods that provide measurable values of dental pulp blood flow, as spectrophotometry, laser doppler flowmetry and pulse oximetry (7)(8)(9)(10)(11)(12)(13).…”

Section: Introductionmentioning

confidence: 99%

“…Various studies to determine the mean of oxygen saturation in healthy dental pulps have been developed in different clinical circumstances (3)(4)(5)(11)(12)(13)(17)(18)(19)(20)(21)(22)(23). Oxygen saturation for maxillary central incisors varies from 79.31% (19) to 94% (8); maxillary lateral incisors from 78.51% (23) to 87.47% (12); canine from 79.85% (19) to 91% (20); premolars 86.2% (22); and premolars and molars that were determined as an only group, the mean was 92.2% (21).…”

Section: Introductionmentioning

confidence: 99%

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Oxygen Saturation in the Dental Pulp of Maxillary and Mandibular Molars - Part 2

et al. 2017

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This study determined the oxygen saturation (SaO 2 ) in dental pulp of healthy maxillary and mandibular molars. Mean of SaO 2 was evaluated in 112 maxillary and mandibular molars using pulse oximetry. Quantitative variables were described by mean and standard deviation. Variables with symmetric distribution were compared by Student t test and Mann-Whitney test. Pearson's correlation coefficient was used to correlate quantitative variables. Analysis of variance was used to assess differences in SaO 2 levels between the molar groups, followed by post-hoc Tukey. The significance level established at p<0.05. Mean of oxygen saturation for the 112 molar dental pulps was 85.09%. There was no significant correlation (r=-0.007; p=0.977) between the mean of SaO 2 of molar pulps with patient´s indicator finger (92.89%). There was a significant difference (p=0.037) between the mean of SaO 2 of the first (85.76%) and second maxillary molars (81.87%), and it was not significant (p=0.1775) between the first and second mandibular molars. Maxillary molars had lower pulpal SaO 2 (83.59%) than mandibular molars (86.89%) (p=0.018). The mean of the patient's response time to the cold stimulus was 1.12 s (maxillary molars 1.25 s and mandibular molars 0.99 s)(p=0.052). There was no significant correlation between the time response of the patient to the cold stimulus and the SaO 2 for molars. The mean oxygen saturation level was 85.09%. The mandibular molars presented higher SaO 2 level than maxillary molars.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Oxygen Saturation in the Dental Pulp of Maxillary and Mandibular Molars - Part 2

et al. 2017

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“…Pulse oximetry and electric tests are other options to assess pulp vitality; however, previous studies suggest that LDF is more sensitive and specific in human teeth. 29 The objective assessment of pain perception or sensitivity is limited due to its nature. There are many simple and direct methods to measure this perception of pain, as the VAS scale used in this study has done.…”

Section: Discussionmentioning

confidence: 99%

In-office bleaching effects on the pulp flow and tooth sensitivity – case series

et al. 2015

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Laser Doppler flowmetry (LDF) is a noninvasive method capable of evaluating variations in pulp blood flow (PBF) and pulp vitality. This method has thus far not been used to assess changes in blood flow after in-office bleaching. The aim of this case series report was to measure changes in PBF by LDF in the upper central incisor of three patients submitted to in-office bleaching. The buccal surfaces of the upper arch were bleached with a single session of 35% hydrogen peroxide gel with three 15-min applications. The color was recorded using a value-oriented Vita shade guide before in-office bleaching and one week after the procedure. The tooth sensitivity (TS) in a verbal scale was reported, and PBF was assessed by LDF before, immediately, and one week after the bleaching session. The lower arch was submitted to dental bleaching but not used for data assessment. A whitening degree of 3 to 4 shade guide units was detected. All participants experienced moderate to considerable TS after the procedure. The PBF readings reduced 20% to 40% immediately after bleaching. One week postbleaching, TS and PBF were shown to be equal to baseline values. A reversible decrease of PBF was detected immediately after bleaching, which recovered to the baseline values or showed a slight increase sooner than one week post-bleaching. The LDF method allows detection of pulp blood changes in teeth submitted to in-office bleaching, but further studies are still required.

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Endodontic Diagnosis

Shah¹,

Chong²

2022

Endodontic Advances and Evidence‐Based Clinical Guidelines

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Comparison of the reliability of laser Doppler flowmetry, pulse oximetry and electric pulp tester in assessing the pulp vitality of human teeth

Cited by 68 publications

References 22 publications

Oxygen Saturation in the Dental Pulp of Maxillary and Mandibular Molars - Part 2

Oxygen Saturation in the Dental Pulp of Maxillary and Mandibular Molars - Part 2

In-office bleaching effects on the pulp flow and tooth sensitivity – case series

Endodontic Diagnosis

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