Penetration depth of laser Doppler flowmetry beam in teeth

Polat, Serkan; Er, Kiürsat; Polat, Nilüfer Tülin

doi:10.1016/j.tripleo.2004.11.018

Cited by 24 publications

(16 citation statements)

References 24 publications

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“…It is reported in the literature that the LDF technique is reliable for measuring human pulpal blood flow (PBF) to determine pulp vitality [29,30]. The technique can measure perfusion quantitatively in real time [31].…”

Section: Microcirculation Of the Dental Pulpmentioning

confidence: 99%

Laser Doppler Flowmetry Evaluation of the Microcirculation in Dentistry

Todea¹,

Canjau²,

Miron³

et al. 2016

Microcirculation Revisited - From Molecules to Clinical Practice

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This chapter presents the most important features of laser Doppler (LD) techniques: LD flowmetry (LDF) and LD imaging (LDI), together with examples of their clinical applications in dentistry. LDF gives a constant estimation of blood flow at a specified point, whereas LDI gives a 'snapshot' of perfusion at a given point. These methods are non-invasive laser-based techniques for monitoring gingival and pulpal blood flow and could be used as a diagnostic tool. In paediatric dentistry and odontology, LDF proved to be an atraumatic real-time method used for determining the tooth vitality by monitoring the pulp microcirculation in traumatized teeth, fractured teeth and teeth undergoing different conservative treatments (e.g. bleaching, dental preparation for prosthetic restorations, etc.). In periodontology, recent studies showed the ability of LDF to evaluate the health of gingival tissue in different types of periodontal diseases. By using LDF, it is also possible to evaluate the outcome after different periodontal treatments. The laser Doppler line scanning can be used for recording the gingival healing process after a surgical procedure in the anterior area of the oral cavity.

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Section: Microcirculation Of the Dental Pulpmentioning

confidence: 99%

Laser Doppler Flowmetry Evaluation of the Microcirculation in Dentistry

Todea¹,

Canjau²,

Miron³

et al. 2016

Microcirculation Revisited - From Molecules to Clinical Practice

View full text Add to dashboard Cite

show abstract

“…1996), periodontal paste (Akpinar et al. 2004, Polat et al. 2005a), and most importantly rubber dam (Hartmann et al.…”

Section: Factors Influencing the Resultsmentioning

confidence: 99%

“…In extracted teeth, with various density of laser, laser light achieved approximately 4–6 mm depth of root densely and 13 mm depth less densely (Ikawa et al. 1999, Polat et al. 2005a).…”

Section: Mechanismmentioning

confidence: 99%

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Laser Doppler flowmetry in endodontics: a review

Jafarzadeh

2009

Int Endodontic J

100

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Vascular supply is the most accurate marker of pulp vitality. Tests for assessing vascular supply that rely on the passage of light through a tooth have been considered as possible methods for detecting pulp vitality. Laser Doppler flowmetry (LDF), which is a noninvasive, objective, painless, semi-quantitative method, has been shown to be reliable for measuring pulpal blood flow. The relevant literature on LDF in the context of endodontics up to March 2008 was reviewed using PubMed and MEDLINE database searches. This search identified papers published between June 1983 and March 2008. Laser light is transmitted to the pulp by means of a fibre optic probe. Scattered light from moving red blood cells will be frequency-shifted whilst that from the static tissue remains unshifted. The reflected light, composed of Doppler-shifted and unshifted light, is returned by afferent fibres and a signal is produced. This technique has been successfully employed for estimating pulpal vitality in adults and children, differential diagnosis of apical radiolucencies (on the basis of pulp vitality), examining the reactions to pharmacological agents or electrical and thermal stimulation, and monitoring of pulpal responses to orthodontic procedures and traumatic injuries. Assessments may be highly susceptible to environmental and technique-related factors. Nonpulpal signals, principally from periodontal blood flow, may contaminate the signal. Because this test produces no noxious stimuli, apprehensive or distressed patients accept it more readily than current methods of pulp vitality assessment. A review of the literature and a discussion of the application of this system in endodontics are presented.

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“…On the other hand advantages are that it allows painless diagnosis as compared to thermal & electric pulp tests. It is useful for the vital or non vital diagnosis of immature or traumatized teeth, not meant for use in patients who are sensitive to tooth pain 11,12 . [ Figure 1] PULP OXIMETRY: The term 'oximetry' is defined as the determination of the percentage of oxygen saturation of the circulating arterial blood 13 .…”

mentioning

confidence: 99%