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Kasper RH, Coelho MR, Miguens-Jr SAQ, Grazziotin-Soares R, Barletta FB. Pulse oximetry as a dental pulp test: A scoping review to identify barriers hindering the use of oximeters in clinical practice. Saudi Dent J 2024; 36:262-269. [PMID: 38419999 PMCID: PMC10897589 DOI: 10.1016/j.sdentj.2023.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 09/27/2023] [Accepted: 11/05/2023] [Indexed: 03/02/2024] Open
Abstract
Background and Objective Although medical pulse oximeters are considered effective for endodontic diagnoses, the method remains uncommon in current dental practice. The aim of the present scoping review was to investigate clinical factors that exert a negative impact on the use of pulse oximeters in dental practice. Methods This study followed the PRISMA-ScR guidelines and the protocol was prospectively registered in the Open Science Framework (https://doi.org/10.17605/OSF.IO/3GQCE). A comprehensive search of the MEDLINE (via PubMed), Cochrane Library, and Web of Science databases was performed in December 2022 for articles published in English or Spanish. All types of clinical studies were included, except comments, letters to the editor, and abstracts. Two independent investigators analyzed 45 full-text articles. Data extraction included general characteristics, oxygen saturation levels, and limiting factors/barriers to the use of oximeters as pulp testers. Results The search of the databases yielded 1,300 records and 38 were included (quantitative data extraction was performed for 35 and three articles were systematic reviews). Publications were highest in number between 2016 and 2017, with an evident reduction occurring after 2021. The oxygen saturation level for sound/vital maxillary anterior teeth was 84.99% (overall mean). The main limiting factors/barriers were i) the difficulty in maintaining the two light-emitting diodes parallel during pulp tests, ii) infrared light diffraction by enamel/dentin/gingiva, and iii) the diversity of patient ages in studies. Conclusion This scoping review encountered noteworthy findings associated with the impracticability of using medical pulse oximeters as dental pulp testers. The recent decrease in the frequency of published studies compared to approximately seven years ago may imply a negative trend in the use of the method.
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Kanumuru KR, Solomon N, Ramkumar H, Paulindraraj S, Jayakaran TG, Dakshinamoorthy S. Assessment of Pulpal Oxygen Saturation in Caries-free and Carious Maxillary Primary Central Incisors Using a Customized Dental Pulse Oximeter. Int J Clin Pediatr Dent 2023; 16:560-564. [PMID: 37731798 PMCID: PMC10507304 DOI: 10.5005/jp-journals-10005-2582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/22/2023] Open
Abstract
Introduction Pulpal status is best determined by assessing the pulp vitality, which proves to be important yet sceptical with the use of conventional thermal and electrical testing methods. The use of pulse oximetry helps to arrive at a definitive diagnosis by detecting the pulpal oxygen saturation. Aim To assess and compare the pulpal oxygen saturation in caries-free and carious maxillary primary central incisors using a customized dental pulse oximeter sensor probe. Materials and methods A total of 225 maxillary primary central incisors were selected from children aged 3-6 years. Teeth were categorized into group I-caries-free teeth, group II-deep caries lesion, and group III-pulpectomized teeth (n =75 in each group). Pulpal oxygen levels were assessed using a three-dimensionally (3D) designed custom-made probe, and the readings were tabulated. The values were subjected to statistical analysis using paired t-test, analysis of variance (ANOVA), and Tukey's HSD post hoc test. Results The mean oxygen saturation levels of teeth in group I (92.03%) were statistically significantly high compared to group II (64.36%), that was statistically significant. Readings noted from group III, which was kept as control, was 0%. Conclusion The obtained results showed that the caries-free group exhibited higher saturation compared to the carious group. 3D designed customized pulse oximeter can be used as an adjunct to assess the pulp vitality in primary teeth. How to cite this article Kanumuru KR, Solomon N, Ramkumar H, et al. Assessment of Pulpal Oxygen Saturation in Caries-free and Carious Maxillary Primary Central Incisors using a Customized Dental Pulse Oximeter. Int J Clin Pediatr Dent 2023;16(4):560-564.
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Affiliation(s)
- Kranthi Reddy Kanumuru
- Department of Pediatric and Preventive Dentistry, KGR Multi Specialty Dental Hospital & Trauma Centre, Nellore, Andhra Pradesh, India
| | - Nancy Solomon
- Department of Pedodontics and Preventive Dentistry, SRM Dental College, Chennai, Tamil Nadu, India
| | - Hemalatha Ramkumar
- Department of Pedodontics and Preventive Dentistry, SRM Dental College, Chennai, Tamil Nadu, India
| | - Shankar Paulindraraj
- Department of Pedodontics and Preventive Dentistry, SRM Dental College, Chennai, Tamil Nadu, India
| | | | - Senthil Dakshinamoorthy
- Department of Pedodontics and Preventive Dentistry, SRM Dental College, Chennai, Tamil Nadu, India
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Muacevic A, Adler JR, Ayoubi HR, Alzoubi H. Evaluation of the Effect of Antihypertensive Drugs on the Values of Dental Pulp Oxygen Saturation in Hypertension Patients: A Case-Control Study. Cureus 2023; 15:e33245. [PMID: 36741671 PMCID: PMC9890402 DOI: 10.7759/cureus.33245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/02/2023] [Indexed: 01/03/2023] Open
Abstract
Purpose This study aimed to know about the positive or negative effect of antihypertensive drugs of different groups on the values of dental pulp oxygen saturation in hypertension patients. Materials and Methods A case-control study to evaluate the impact of the antihypertensive drugs on the values of dental pulp oxygen saturation in hypertension patients. The studied sample consisted of 40 participants, and they were distributed into two groups: Group I (n=20): Hypertension patients treated with antihypertensive drugs, and Group II (n=20): Healthy participants. A finger pulse oximeter was recorded after a rest period of 15 minutes by BCI® Advisor® vital signs monitor. The patient was then asked to use a chlorhexidine digluconate mouth rinse for five minutes, and the two dental pulp pulse oximeters for the central upper incisors were also recorded for all participants. Data were analyzed using the Mann-Whitney U test. Results The results showed that there was no significant difference between the finger pulse oximeters of the two studied groups (P-value = 0.421). The two dental pulp oxygen saturation was higher than the control group with statistically significant (P-value = 0.043, P-value = 0.002). Conclusions Within the limitation of this study, it can be concluded that antihypertensive drugs increase the dental pulp oxygen saturation in patients with hypertension who are treated with antihypertensive drugs, and thus there is a positive effect of these drugs in stimulating the dental pulp.
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Age-Related Variation of Pulpal Oxygen Saturation in Healthy Primary and Permanent Teeth in Children: A Clinical Study. J Clin Med 2022; 12:jcm12010170. [PMID: 36614971 PMCID: PMC9821562 DOI: 10.3390/jcm12010170] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/13/2022] [Accepted: 12/23/2022] [Indexed: 12/28/2022] Open
Abstract
(1) Background: Pulse oximetry (PO) is an effective method of dental pulp status monitorization but still lacks practical implementation in dentistry, as well as clear reference values for different tooth types. The study’s aim was to investigate the age-related variation of blood oxygen saturation (SpO2) from the dental pulp during different stages of tooth development in all types of primary and permanent teeth of children. (2) Methods: The pulps of 600 healthy primary and permanent teeth (incisors, canines, premolars, and molars) of patients aged 2−15 years were tested with an adapted PO device, and the results were statistically analyzed; (3) Results: Statistically significant differences (p < 0.05) were found between open-apex and closed-apex teeth and between the canines and other tooth types in both primary and permanent dentitions. (4) Conclusions: Values of SpO2 tended to decrease with age progression in both primary and permanent dentitions. Enamel and dentine thickness and their optical properties and the shape and volume of coronal pulp, which differed among tooth types, seemed to have some influence on the reading as well. The study indicates that factors such as the root development and the tooth type must be taken into account when establishing reference SpO2 values for the dental pulp.
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Henriques DHN, Alves AMH, Kuntze MM, Garcia LDFR, Bortoluzzi EA, Teixeira CDS. Effect of dental tissue thickness on the measurement of oxygen saturation by two different pulse oximeters. Braz Dent J 2022; 33:26-34. [DOI: 10.1590/0103-6440202204903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 07/18/2022] [Indexed: 11/06/2022] Open
Abstract
Abstract This study aimed to evaluate the influence of different dental tissue thickness on the measurement of oxygen saturation (SpO2) levels in high (HP) and low (LP) blood perfusion by comparing the values obtained from two different pulse oximeters (POs) - BCI and Sense 10. Thirty freshly extracted human teeth had their crowns interposed between the POs and an optical simulator, which emulated the SpO2 and heart beats per minute (bpm) at HP (100% SpO2/75 bpm) and LP (86% SpO2/75 bpm) modes. Afterwards, the palatine/lingual surfaces of the dental crowns were worn with diamond drills. The reading of SpO2 was performed again using the POs alternately through the buccal surface of each dental crown. Data were analyzed by the Wilcoxon, Mann-Whitney and Kendall Tau-b tests (α=5%). The results showed significant difference at the HP and LP modes in the SpO2 readouts through the different dental thicknesses with the use of BCI, and at the LP mode with the use of Sense 10, which had a significant linear correlation (p<0.0001) and lower SpO2 readout values in relation to the increase of the dental thickness. Irrespective of tooth thickness, Sense 10 had significantly higher readout values (p<0.0001) than BCI at both perfusion modes. The interposition of different thicknesses of enamel and dentin influenced the POs measurement of SpO2, specially at the low perfusion mode. The POs were more accurate in SpO2 measurement when simulated perfusion levels were higher.
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Wilson EM, Minja IK, Machibya FM, Jonathan A, Makani J, Ruggajo P, Balandya E. Oxygen Saturation in Primary Teeth of Individuals With Sickle Cell Disease and Sickle Cell Trait. J Blood Med 2022; 13:407-412. [PMID: 35909799 PMCID: PMC9326034 DOI: 10.2147/jbm.s365040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 05/23/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose To determine oxygen saturation in the pulp of primary teeth in children with sickle cell disease (SCD) and sickle cell trait (SCT) for establishing the usefulness of pulse oximetry in screening and monitoring of SCD or therapy. Materials and Methods A cross-sectional study among 30-60 months children with sickle cell disease (SCD) and sickle cell trait (SCT) compared with healthy children (HbAA). A pulse oximeter (BCI 3301) recorded oxygen saturation on six anterior primary maxillary teeth and on index fingers. Data were analyzed using SPSS version 20.0. Mean oxygen saturation for teeth and fingers was calculated. Comparison of Mean across groups was done using post hoc analysis in one-way ANOVA (Bonferroni test). Pearson correlation coefficient was calculated for mean oxygen saturation on fingers and teeth. Level of significance was set at 0.05. Results Altogether 360, 102, and 96 teeth were examined from children with SCD, SCT, and HbAA respectively. 53% of participants were girls. The mean age of participants was 46.3 months ± 9.4 SD. Low mean oxygen saturation (77.5%) was recorded from teeth of children with SCD relative to those with SCT and HbAA (>86%; P = 0.00). There was no statistically significant difference in oxygen saturation on teeth between children with SCT and HbAA. The mean oxygen saturation on fingers was found to be above 97.2% regardless of sickle cell status. There was no correlation between oxygen saturation on teeth and fingers. Conclusion Pulse oximeter detected a lower oxygen saturation in dental pulp of primary teeth of participants with SCD (HbSS) relative to those with SCT (HbAS) and HbAA. Oxygen saturation on fingers remained unaffected regardless of sickle cell disease status. Although more studies are needed, our study shows that when other conditions affecting peripheral tissue oxygen delivery are ruled out, the low pulse oximetry in primary teeth may be indicative of SCD. The oximeter may also be useful in monitoring response to SCD therapy targeted at improving oxygen carrying capacity and delivery.
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Affiliation(s)
- Evarist Mulyahela Wilson
- Department of Restorative Dentistry, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Irene Kida Minja
- Department of Restorative Dentistry, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania.,Sickle Pan-African Research Consortium (SPARCO), Dar es Salaam, Tanzania
| | - Ferdinand Mabula Machibya
- Department of Orthodontics, Pedodontics and Community Dentistry, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Agnes Jonathan
- Department of Hematology and Blood Transfusion, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Julie Makani
- Sickle Pan-African Research Consortium (SPARCO), Dar es Salaam, Tanzania.,Department of Hematology and Blood Transfusion, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Paschal Ruggajo
- Department of Internal Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | - Emmanuel Balandya
- Sickle Pan-African Research Consortium (SPARCO), Dar es Salaam, Tanzania.,Department of Physiology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
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Evaluation of the Pulp Oxygen Saturation Reading after Tooth Bleaching: A Randomized Clinical Trial. Int J Dent 2022; 2022:1598145. [PMID: 35531572 PMCID: PMC9072050 DOI: 10.1155/2022/1598145] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 04/06/2022] [Accepted: 04/13/2022] [Indexed: 11/17/2022] Open
Abstract
Objectives The purpose of this clinical trial was to evaluate the influence of in-office dental bleaching on the pulp oxygen saturation (SpO2p) reading. Material and Methods. SpO2p was measured using a pulse oximeter in 112 upper and lower anterior teeth (canines and incisors) of patients submitted to bleaching. Whitegold Office 35% (WGO) (upper and lower left hemiarch) and Whiteness HP Auto Mixx 35% (WHP) (upper and lower right hemiarch) bleaching agents were used. SpO2 measurements (teeth and index finger) were taken before and after each of the three application sessions of the agents. In the 4th session, in which no bleaching gel was used, only SpO2 was measured. Before and after the bleaching sessions, a colorimetric device performed the teeth color reading. The waiting time between sessions was 7 days. Data were analyzed by the Friedman, Kruskal–Wallis, and Mann–Whitney U tests (α = 0.05). Color change (ΔE) data were correlated (Spearman's Rho test) with the SpO2p levels. Results Neither of the two bleaching agents showed significant differences between the readings when evaluated individually (WGO, P=0.780, and WHP, P=0.494). When taken together, the results showed significant difference between the readings performed, with higher median values after bleaching sessions: before (97.3) and after (98.6) 1st session; before (98.3) and after (98.3) 2nd session; before (98.3) and after (99.0) 3rd session; and after 1 week (98.3). The dental groups formed by maxillary lateral incisors (P=0.012) and mandibular incisors (P < 0.001) showed a significant difference. Spearman's Rho test showed a nonsignificant and weak correlation between ΔE and SpO2p in most comparisons. Conclusions The in-office dental bleaching influenced the SpO2p reading, regardless of the dental group evaluated or the bleaching agent used. Clinical Relevance. This study provides information about the influence of in-office tooth whitening on the pulp SpO2p levels. The observation of pulp vitality during and after the use of bleaching agents is important for the follow-up of patients undergoing tooth whitening. The use of a pulse oximeter may be a viable and painless alternative to perform this monitoring. The clinical trial was registered with the Brazilian Registry of Clinical Trials (ReBEC; registration number: https://clinicaltrials.gov/ct2/show/RBR-68xbth).
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Pulse Oximetry as a Diagnostic Tool to Determine Pulp Vitality: A Systematic Review. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11062747] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Pulse oximetry (PO) can be used as a technique to assess vascularization. Although it is commonly used in the field of medicine, it still has limited use in dentistry. The aim of this study is to evaluate, by means of a systematic review, if pulse oximetry is a viable and effective system to determine pulp vitality and assess the clinical criteria for its use. A literature search was performed in Medline, Scopus, Embase, and Web of Science databases. Clinical studies using pulse oximetry as a tool to determine pulp vitality in permanent teeth were eligible. Quality assessment of the included studies was performed following the Quality Assessment for Diagnostic Accuracy Studies (QUADAS-2) guidelines. A total of 24 articles were included in the review. The subjective test most compared to PO was the cold test. PO has shown a good sensibility and specificity, and it has been used in different clinical situations. Pulse oximetry has a high potential as a tool for the diagnosis of pulp vitality. However, the absence of a specific pulse oximeter for a dental practice, among other limitations, added to the lack of evidence on how different systemic and oral pathologies may affect the pulp’s oxygen saturation levels, which hinders its clinical use.
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Grabliauskienė Ž, Zamaliauskienė R, Lodienė G. Pulp Vitality Testing with a Developed Universal Pulse Oximeter Probe Holder. ACTA ACUST UNITED AC 2021; 57:medicina57020101. [PMID: 33498652 PMCID: PMC7912332 DOI: 10.3390/medicina57020101] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 11/16/2022]
Abstract
Background and Objectives An accurate determination of the pulp status is relevant for a proper endodontic diagnosis. Objectives: The aim was to develop a universal pulse oximeter probe holder for measuring the oxygen saturation and to evaluate the use of pulse oximetry as a test for pulp vitality, by comparing the levels of oxygen saturation in the index finger and in the healthy dental pulp. Materials and Methods The universal holder was designed with software and printed with a 3D printer. The study was carried out on 128 healthy teeth. They were divided into eight groups according to tooth type. Ten root canal treated teeth served as a negative control group. For each patient, a pulse oximeter was first applied on the tooth followed by the index finger. The significance level (α) was set at 0.05. Results: The developed and manufactured universal pulse oximeter probe holder was suitable to measure the pulp vitality of all types of teeth. The handle allowed for holding the pulse oximeter on the tooth in parallel, firmly and securely. Significantly higher oxygen saturation was observed in the index finger (97.22%) compared to the dental pulp (93.17%) (p < 0.001). No correlation was observed between the maxillary teeth and index finger oxygen saturation values (r = 0.05, p = 0.72), whereas, between the mandibular teeth and index finger, a positive correlation was detected (r = 0.29, p = 0.02). There were no significant differences in the pulp oxygen saturation values between different teeth groups. Conclusion: The newly developed universal pulse oximeter probe holder is an effective device for pulp vitality testing.
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Lambert P, Miguens SAQ, Solda C, Sganzerla JT, Reichert LA, Estrela C, Barletta FB. Reference values for pulp oxygen saturation as a diagnostic tool in endodontics: a systematic review and meta-analysis. Restor Dent Endod 2020; 45:e48. [PMID: 33294413 PMCID: PMC7691259 DOI: 10.5395/rde.2020.45.e48] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 04/25/2020] [Accepted: 04/27/2020] [Indexed: 11/11/2022] Open
Abstract
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
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Affiliation(s)
- Paula Lambert
- Department of Endodontics, Graduate Program in Dentistry, Universidade Luterana do Brasil (ULBRA), Canoas, RS, Brazil
| | | | - Caroline Solda
- Department of Endodontics, Faculdade Meridional (IMED) School of Dentistry, Passo Fundo, RS, Brazil
| | - Juliana Tomaz Sganzerla
- Department of Oral Diagnostic, Graduate Program in Dentistry, Universidade Luterana do Brasil (ULBRA), Canoas, RS, Brazil
| | - Leandro Azambuja Reichert
- Department of Operative Dentistry, Universidade Federal do Rio Grande do Sul (UFRGS) School of Dentistry, Porto Alegre, RS, Brazil
| | - Carlos Estrela
- Department of Endodontics, Graduate Program in Dentistry, Universidade Federal de Goiás (UFG), Goiania, GO, Brazil
| | - Fernando Branco Barletta
- Department of Endodontics, Graduate Program in Dentistry, Universidade Luterana do Brasil (ULBRA), Canoas, RS, Brazil
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SILVA JA, ALENCAR AHGD, SESTARI LE, BARBOSA HA, SIQUEIRA PCD, DECURCIO DA, BARLETTA FB, ESTRELA C. Interference of coronal enamel and dentin thickness and ambient light on pulse oximetry interpretation. Braz Oral Res 2020; 34:e064. [DOI: 10.1590/1807-3107bor-2020.vol34.0064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 04/08/2020] [Indexed: 11/21/2022] Open
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Vitality Tests for Pulp Diagnosis of Traumatized Teeth: A Systematic Review. J Endod 2019; 45:490-499. [DOI: 10.1016/j.joen.2019.01.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/21/2019] [Accepted: 01/21/2019] [Indexed: 11/21/2022]
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Lorena Ferreira L, Ana Helena Gonçalves de A, Decurcio DDA, Silva JA, Favarão IN, Loureiro MAZ, Barletta FB, Estrela C. Effect of dental bleaching on pulp oxygen saturation in maxillary central incisors - a randomized clinical trial. J Appl Oral Sci 2019; 27:e20180442. [PMID: 30994776 PMCID: PMC6459226 DOI: 10.1590/1678-7757-2018-0442] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 11/07/2018] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE To assess pulp oxygen saturation levels (SaO2) in maxillary central incisors after dental bleaching. MATERIALS AND METHODS 80 participants (160 teeth) were randomly allocated to four groups: G1 In-office bleaching with two applications of 35% hydrogen peroxide (HP) (20 minutes), followed by at-home bleaching with 10% carbamide peroxide (CP) (2 hours/day for 16 days); G2 - Same protocol as G1, plus desensitizing toothpaste; G3 - In-office bleaching with 35% HP and one application of placebo gel (20 minutes), followed by at-home bleaching with 10% CP (2 hours/day for 16 days); and G4 - Same protocol as G3, plus desensitizing toothpaste. Pulp SaO2 levels were measured before (T0) and immediately after (T1) in-office bleaching; on the 5th (T2), 8th (T3), 12th (T4), and 16th days of at-home bleaching (T5); and on the 7th (T6) and 30th (T7) days. Mean (SD) pulp SaO2 levels were compared within groups by generalized estimating equations (GEE) and Student's t-test (P<0.05). RESULTS Mean pulp SaO2 at T0 was 84.29% in G1, 84.38% in G2, 84.79% in G3, and 85.83% in G4. At T1, these values decreased to 81.96%, 82.06%, 82.19%, and 81.15% in G1, G2, G3, and G4 respectively, with significant difference in G4 (P<0.05). During home bleaching, pulp SaO2 levels varied in all groups, with 86.55%, 86.60%, 85.71%, and 87.15% means at T7 for G1, G2, G3, and G4, respectively; G2 presented significant difference (P<0.05). CONCLUSIONS Pulp SaO2 level in maxillary central incisors was similar at baseline, reducing immediately after in-office bleaching, regardless of using desensitizing toothpaste and increasing at 30 days after dental bleaching.
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Affiliation(s)
- Lima Lorena Ferreira
- Universidade Federal de Goiás, Faculdade de Odontologia, Departamento de Ciências Estomatológicas, Goiânia, Goiás, Brazil
| | | | - Daniel de Almeida Decurcio
- Universidade Federal de Goiás, Faculdade de Odontologia, Departamento de Ciências Estomatológicas, Goiânia, Goiás, Brazil
| | - Julio Almeida Silva
- Universidade Federal de Goiás, Faculdade de Odontologia, Departamento de Ciências Estomatológicas, Goiânia, Goiás, Brazil
| | - Isabella Negro Favarão
- Universidade Federal de Goiás, Faculdade de Odontologia, Departamento de Ciências Estomatológicas, Goiânia, Goiás, Brazil
| | - Marco Antônio Zaiden Loureiro
- Universidade Federal de Goiás, Faculdade de Odontologia, Departamento de Ciências Estomatológicas, Goiânia, Goiás, Brazil
| | - Fernando Branco Barletta
- Universidade Luterana do Brasil, Faculdade de Odontologia, Departamento de Ciências Estomatológicas, Canoas, Rio Grande do Sul, Brazil
| | - Carlos Estrela
- Universidade Federal de Goiás, Faculdade de Odontologia, Departamento de Ciências Estomatológicas, Goiânia, Goiás, Brazil
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Solda C, Barletta FB, Vanni JR, Lambert P, Só MVR, Estrela C. Effect of At-Home Bleaching on Oxygen Saturation Levels in the Dental Pulp of Maxillary Central Incisors. Braz Dent J 2018; 29:541-546. [PMID: 30517476 DOI: 10.1590/0103-6440201802170] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 06/21/2018] [Indexed: 01/17/2023] Open
Abstract
The present study assessed oxygen saturation (SaO2) levels before, during, and after at-home bleaching treatment in the pulps of healthy maxillary central incisors. SaO2 levels were measured in 136 healthy maxillary central incisors using a pulse oximeter. The bleaching protocol consisted of 10% carbamide peroxide gel placed in individual trays and used for four hours daily for 14 days. SaO2 levels were assessed before bleaching (T0), immediately after the first session (T1), on the 7th day of treatment (T2), on the 15th day (the day following the last session) (T3), and 30 days after completion of the bleaching protocol (T4). Data were statistically analyzed using generalized estimating equations (GEE), Student's t test (p<0.05) and Pearson's correlation. Mean pulp SaO2 levels were 85.1% at T0, 84.9% at T1, 84.7% at T2, 84.3% at T3, and 85.0% at T4. Gradual reductions in SaO2 levels were observed, with significant differences (p<0.001) during the course of home bleaching treatment. However, 30 days after the end of the bleaching protocol, SaO2 levels returned to baseline levels. Home bleaching caused a reversible transient decrease in SaO2 levels in the pulps.
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Affiliation(s)
| | | | | | - Paula Lambert
- ULBRA - Universidade Luterana do Brasil, Canoas, RS, Brazil
| | | | - Carlos Estrela
- Department of Stomatology, UFG - Universidade Federal de Goiás, Goiânia, GO, Brazil
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15
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Estrela C, Oliveira KS, Alencar AHG, Barletta FB, Estrela CR, Felippe WT. Oxygen Saturation in the Dental Pulp of Maxillary and Mandibular Molars - Part 2. Braz Dent J 2018; 28:704-709. [PMID: 29211125 DOI: 10.1590/0103-6440201701447] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 07/10/2017] [Indexed: 11/21/2022] Open
Abstract
This study determined the oxygen saturation (SaO2) in dental pulp of healthy maxillary and mandibular molars. Mean of SaO2 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 SaO2 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 SaO2 of molar pulps with patient´s indicator finger (92.89%). There was a significant difference (p=0.037) between the mean of SaO2 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 SaO2 (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 SaO2 for molars. The mean oxygen saturation level was 85.09%. The mandibular molars presented higher SaO2 level than maxillary molars.
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Affiliation(s)
- Carlos Estrela
- Dental School, UFGO - Universidade Federal de Goiás, Goiânia, GO, Brazil
| | - Keila Sa Oliveira
- Dental School, UFGO - Universidade Federal de Goiás, Goiânia, GO, Brazil
| | | | | | | | - Wilson T Felippe
- Dental School, UFSC - Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
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16
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Estrela C, Serpa GC, Alencar AHG, Bruno KF, Barletta FB, Felippe WT, Estrela CRA, Souza JB. Oxygen Saturation in the Dental Pulp of Maxillary Premolars in Different Age Groups - Part 1. Braz Dent J 2018; 28:573-577. [PMID: 29215681 DOI: 10.1590/0103-6440201701660] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Accepted: 05/08/2017] [Indexed: 11/22/2022] Open
Abstract
The aim of this study was to determine oxygen saturation levels in the dental pulp of maxillary premolars in different age groups. A total of 120 human maxillary premolars with normal dental pulps were selected covering the following age groups: 20-24, 25-29, 30-34, 35-39 and 40-44 years (n=24 each group). Oxygen saturation was assessed using pulse oximetry. Analysis of variance was used to assess differences in oxygen saturation levels and Tukey's test was used to identify the age groups that differed from each other. Significance was set at 0.05. Mean oxygen saturation of 120 premolars was 86.20% considering all age groups. Significantly reduced levels were found in the oldest group compared to the other groups: 40 to 44 years - 80.00% vs. 89.71, 87.67, 88.71, and 84.80% for age groups 20-24, 25-29, 30-34, 35-39 years, respectively. The mean oxygen saturation levels were similar between 20 and 39 years of age (86.20%) in the whole sample, but reduced significantly in the 40-44-year age group, suggesting that older patients present lower oxygen saturation results even in the absence of pulp tissue injury.
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Affiliation(s)
- Carlos Estrela
- Dental School, UFGO - Universidade Federal de Goiás, Goiânia, GO, Brazil
| | - Giuliano C Serpa
- Dental School, UFGO - Universidade Federal de Goiás, Goiânia, GO, Brazil
| | | | - Kely F Bruno
- Dental School, UFGO - Universidade Federal de Goiás, Goiânia, GO, Brazil
| | | | - Wilson T Felippe
- Dental School, UFSC - Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | | | - João B Souza
- Dental School, UFGO - Universidade Federal de Goiás, Goiânia, GO, Brazil
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Ganbold K, Kakino S, Ikeda H, Miyashin M. Human pulpal blood flow in different root formation stages measured with transmitted-light plethysmography. Arch Oral Biol 2017; 83:327-333. [PMID: 28886584 DOI: 10.1016/j.archoralbio.2017.08.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Revised: 07/30/2017] [Accepted: 08/20/2017] [Indexed: 10/19/2022]
Abstract
OBJECTIVES To determine the pulp vitality after traumatic injury, dentists often use pulp sensitivity tests, which can be ambiguous in young permanent teeth with incomplete root formation. Transmitted-light plethysmography (TLP) is a non-invasive objective method that uses a 525-nm LED to detect blood volume change in the pulp. The present study aimed (1) to investigate pulpal blood flow with TLP and optical characteristics in healthy permanent maxillary incisors in different root formation stages, and (2) to assess the influences of body growth of the children and tooth color on the TLP amplitude. DESIGN Seventy-eight fully erupted maxillary central incisors were divided into four groups, according to the root formation stages. Group 1: root with wide-open apex, Group 2: root completed in length with open apex, Group 3: root with half-closed apex, Group 4: root with complete formation. The TLP amplitude, optical density, electric pulp testing, and cervical tooth color measurements of each group were compared using a one-way analysis of variance followed by the Bonferroni method. The correlation between the weights/heights of children and TLP amplitudes was analyzed using Pearson coefficient. RESULTS The TLP amplitude was significantly higher in Group 3 than in the other groups. The amplitude was correlated with the weights/heights of children, but not with the tooth color. Optical density and electric sensitivity increased with tooth maturation. CONCLUSION The amplitude of TLP and optical density may be affected by growth and development in children and indicate changes in the vascular dynamics of the pulp and hard tissue maturation during root formation stages.
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Affiliation(s)
- Khongorzul Ganbold
- Department of Pediatric Dentistry, Division of Oral Health Science, Graduate School, Tokyo Medical and Dental University, Japan
| | - Satoko Kakino
- Department of Pediatric Dentistry, Division of Oral Health Science, Graduate School, Tokyo Medical and Dental University, Japan.
| | - Hideharu Ikeda
- Department of Pulp Biology, Division of Oral Health Science, Graduate School, Tokyo Medical and Dental University, Japan
| | - Michiyo Miyashin
- Department of Pediatric Dentistry, Division of Oral Health Science, Graduate School, Tokyo Medical and Dental University, Japan
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