The effects of gingival blood flow on pulpal blood flow detection using ultrasound Doppler flowmetry: animal study
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Objectives: This study evaluated the effect of adjacent gingival blood flow on detection of pulpal blood flow (PBF) using ultrasound Doppler flowmetry (UDF) through animal study. Materials and Methods: The study included 36 right and left maxillary the third incisors and canines in 9 experimental dogs. The study included 2 main steps: In the first step, the pulse sound level (PSL) was recorded on the cervical part of each tooth without flap elevation (Group 1), with flap elevation (Group 2), and after it was repositioned in place (Group 3). In the second step, the PSL was recorded on the cervical part of each tooth (Group 4), after pulpotomy (Group 5), after partial pulp extirpation (Group 6), after complete extirpation (Group 7), and after canal filling (Group 8). In Groups 5–8, the study was performed with and without flap elevation in the left and right teeth, respectively. The PSL was graded as follows: 0, inaudible; 1, heard faintly; and 2, heard well. The difference between each group was analyzed using Friedman’s test with Wilcoxon signed-rank tests (α = 0.05). Results: In step 1, the PSL results were Group 1 > 2 and 3. In step 2, there was no significant difference between the groups when the flap was not elevated, while PSL results were Group 4 > 5 ≥ 6 and 7 ≥ 8 when the flap was elevated. Conclusions: PBF is affected by gingival blood flow when measured with UDF. UDF measurements require isolation of gingiva from the tooth.
Abstract
Objectives: This study evaluated the effect of adjacent gingival blood flow on detection of pulpal blood flow (PBF) using ultrasound Doppler flowmetry (UDF) through animal study. Materials and Methods: The study included 36 right and left maxillary the third incisors and canines in 9 experimental dogs. The study included 2 main steps: In the first step, the pulse sound level (PSL) was recorded on the cervical part of each tooth without flap elevation (Group 1), with flap elevation (Group 2), and after it was repositioned in place (Group 3). In the second step, the PSL was recorded on the cervical part of each tooth (Group 4), after pulpotomy (Group 5), after partial pulp extirpation (Group 6), after complete extirpation (Group 7), and after canal filling (Group 8). In Groups 5–8, the study was performed with and without flap elevation in the left and right teeth, respectively. The PSL was graded as follows: 0, inaudible; 1, heard faintly; and 2, heard well. The difference between each group was analyzed using Friedman’s test with Wilcoxon signed-rank tests (α = 0.05). Results: In step 1, the PSL results were Group 1 > 2 and 3. In step 2, there was no significant difference between the groups when the flap was not elevated, while PSL results were Group 4 > 5 ≥ 6 and 7 ≥ 8 when the flap was elevated. Conclusions: PBF is affected by gingival blood flow when measured with UDF. UDF measurements require isolation of gingiva from the tooth.
참고문헌 (24)
- Hock J, "Clearance rates of xenon-113 in non-inflamed and inflamed gingiva of dogs", Arch Oral Biol, 25, pp.445~449 (1980)
- Kim S, "Measurement of blood flow in the dental pulp of dogs with the 133xenon washout method", Arch Oral Biol, 28, pp.501~505 (1983)
- Aukland K, "Measurement of local blood flow with hydrogen gas", Circ Res, 14, pp.164~187 (1964)
- Tönder KH, "Blood flow in the dental pulp in dogs measured by local H2 gas desaturation technique", Arch Oral Biol, 20, pp.73~79 (1975)
- Emshoff R, "Laser Doppler flow measurements of pulpal blood flow and severity of dental injury", Int Endod J, 37, pp.463~467 (2004)
- Strobl H, "Laser Doppler flow investigation of fractured permanent maxillary incisors", J Oral Rehabil, 31, pp.23~28 (2004)
- Ahn SY, "Long-term prognosis of pulpal status of traumatized teeth exhibiting contradictory results between pulp sensibility test and ultrasound Doppler flowmetry : a retrospective study", J Endod, 44, pp.395~404 (2018)
- Roeykens HJ, "Laser Doppler flowmetry: reproducibility, reliability, and diurnal blood flow variations", Lasers Med Sci, 31, pp.1083~1092 (2016)
- Roeykens HJ, "How standard deviation contributes to the validity of a LDF signal : a cohort study of 8 years of dental trauma", Lasers Med Sci, 34, pp.1905~1916 (2019)
- Roeykens HJ, "Diurnal variations and pulpal status : is there a need for FFT besides LDF?", Lasers Med Sci, 33, pp.1891~1900 (2018)
- Radhakrishnan S, "Pulse oximetry : a diagnostic instrument in pulpal vitality testing", J Clin Pediatr Dent, 26, pp.141~145 (2002)
- Schnettler JM, "Pulse oximetry as a diagnostic tool of pulpal vitality", J Endod, 17, pp.488~490 (1991)
- Nissan R, "Dual wavelength spectrophotometry as a diagnostic test of the pulp chamber contents", Oral Surg Oral Med Oral Pathol, 74, pp.508~514 (1992)
- Cotti E, "Ultrasound real-time imaging in the differential diagnosis of periapical lesions", Int Endod J, 36, pp.556~563 (2003)
- Rajendran N, "Efficacy of ultrasound and color power Doppler as a monitoring tool in the healing of endodontic periapical lesions", J Endod, 33, pp.181~186 (2007)
- Yoon MJ, "Pulpal blood flow measurement with ultrasound Doppler imaging", J Endod, 36, pp.419~422 (2010)
- Yoon MJ, "Doppler ultrasound to detect pulpal blood flow changes during local anaesthesia", Int Endod J, 45, pp.83~87 (2012)
- 조영욱, "Use of ultrasound Doppler to determine tooth vitality in a discolored tooth after traumatic injury: its prospects and limitations", Restorative Dentistry and Endodontics, 39(1), pp.68~73 (2014), 대한치과보존학회[DOI]
- Cho YW, "Measurement of pulp blood flow rates in maxillary anterior teeth using ultrasound Doppler flowmetry", Int Endod J, 48, pp.1175~1180 (2015)
- Kim D, "Effects of age, sex, and blood pressure on the blood flow velocity in dental pulp measured by Doppler ultrasound technique", Microcirculation, 23, pp.523~529 (2016)
- Ahn SY, "Efficacy of ultrasound Doppler flowmetry in assessing pulp vitality of traumatized teeth : a propensity score matching analysis", J Endod, 44, pp.379~383 (2018)
- Nagendrababu V, "PRIASE 2021 guidelines for reporting animal studies in endodontology : a consensus-based development", Int Endod J, 54, pp.848~857 (2021)
- Rashed F, "A comparative study of the dentition and temporomandibular joint anatomy and histology adult dogs", Biol Syst Open Access, 4, pp.1000147~ (2015)
- Yoon MJ, "A laboratory study to detect simulated pulpal blood flow in extracted human teeth using ultrasound Doppler flowmetry", Int Endod J, 54, pp.231~240 (2021)