Restorative Dentistry & Endodontics

Research Article

Reference values for pulp oxygen saturation as a diagnostic tool in endodontics: a systematic review and meta-analysis: Paula Lambert, Sergio Augusto Quevedo Miguens, Caroline Solda, Juliana Tomaz Sganzerla, Leandro Azambuja Reichert, Carlos Estrela, Fernando Branco Barletta; Restor Dent Endod 2020;45(4):e48. Published online October 5, 2020; DOI: https://doi.org/10.5395/rde.2020.45.e48

Objectives

This systematic review aimed to identify mean oxygen saturation values (SpO₂) using pulse oximetry in permanent maxillary anterior teeth.

Materials and Methods

The MEDLINE, Scientific Electronic Library Online, Cochrane Central Register of Controlled Trials, EMBASE, and Literatura Latino Americana em Ciências da Saúde electronic databases were searched. Combinations and variations of “oximetry” AND “dental pulp test” were used as search terms. Studies reporting means and standard deviations of SpO₂ values were included. Two reviewers independently extracted data following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses checklist. Heterogeneity was assessed using the I² statistic, and all analyses were performed using R software. Study quality was assessed using the Quality Assessment of Diagnostic Accuracy Studies-2 tool and the Newcastle-Ottawa scale.

Results

Of the 251 studies identified, 19 met the eligibility criteria and were included (total sample, 4,541 teeth). In the meta-analysis, the mean SpO₂ values were 84.94% (95% confidence interval [CI], 84.85%–85.04%) for the central incisors, 89.29% (95% CI, 89.22%–89.35%) for the lateral incisors, and 89.20% (95% CI, 89.05%–89.34%) for the canines. The studies were predominantly low-quality due to the high risk of bias associated with the index test, unclear risk regarding patient selection, and concerns about outcome assessment.

Conclusions

Although most studies were low-quality, the oxygen saturation levels in normal pulp could be established (minimum saturation, 77.52%). Despite the risk of bias of the included studies, the reference values reported herein are clinically relevant for assessments of changes in pulp status.

Trial Registration

International Prospective Register of Systematic Reviews Identifier: CRD42018085598

Citations

Citations to this article as recorded by

Future trends in endodontics
Foo Suanhow, Tawil Bill
Journal of Applied Biotechnology & Bioengineering.2024; 11(1): 1. CrossRef
Assessment of Pulpal Oxygen Saturation in Caries-free and Carious Maxillary Primary Central Incisors Using a Customized Dental Pulse Oximeter
Shankar Paulindraraj, Hemalatha Ramkumar, Trophimus Gnanabagyan Jayakaran, Kranthi Reddy Kanumuru, Nancy Solomon, Senthil Dakshinamoorthy
International Journal of Clinical Pediatric Dentistry.2023; 16(4): 560. CrossRef
Age-Related Variation of Pulpal Oxygen Saturation in Healthy Primary and Permanent Teeth in Children: A Clinical Study
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Journal of Clinical Medicine.2022; 12(1): 170. CrossRef
Pulp oxygen saturation measurement as a diagnostic tool for assessing pulp status in primary teeth
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Assessment of Pulpal Status in Primary Teeth Following Direct Pulp Capping in an Experimental Canine Model
Andreea Igna, Cornel Igna, Mariana Ioana Miron, Larisa Schuszler, Roxana Dascălu, Mihaela Moldovan, Adrian Aristide Voicu, Carmen Darinca Todea, Marius Boariu, Maria-Alexandra Mârțu, Ștefan-Ioan Stratul
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Original Article

Measurement of the excessive stimulus time after the sensory threshold level during electric pulp testing: Ki-Chang Nam, Seon-Hui Ahn, Soo-Chan Kim, Deok-Won Kim, Seung-Jong Lee; J Korean Acad Conserv Dent 2004;29(3):226-232. Published online May 31, 2004; DOI: https://doi.org/10.5395/JKACD.2004.29.3.226

Abstract PDF PubReader ePub

Use of electric pulp testing elicits painful response in vital teeth. In this study, we examined the excessive time from pain feeling to stimulation disconnection in clinical situation. D626D (Parkell Inc., USA.) scan type electric pulp tester was used in total of 23 young healthy individuals. Each of the right central incisors and first premolars were used as testing teeth. Stimulation disconnection was achieved by EMG in anterior belly of digastric muscle, finger span, and voice and the excessive stimulation time over the sensory threshold was recorded. As a result, we found that the short responses before the stimulation disconnection appeared following order; EMG, finger span, and voice. The EMG disconnection is suggested to be used to reduce the excessive stimulus time in electric pulp testing.

Citations

Citations to this article as recorded by

Evaluation of the change of lower lip sensation after inferior alveolar nerve block by using the electric pulp tester
Myong-Suk Ku, Jin Wook Kim, Young Hoon Jeon, Tae Geon Kwon, Sang Han Lee
Journal of the Korean Association of Oral and Maxillofacial Surgeons.2011; 37(6): 464. CrossRef

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