Quantitative and qualitative assessment of sensory changes induced by local anesthetics block of two different trigeminal nerve branches

Kothari, Simple Futarmal; Shimosaka, Michiharu; Iida, Takashi; Komiyama, Osamu; Shibutani, Koh; Svensson, Peter

doi:10.1007/s00784-018-2695-4

Cited by 13 publications

(17 citation statements)

References 32 publications

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“…The coding system that was proposed to assess the degree of somatosensory block following the topical anaesthesia was capable of displaying profiles of relevant loss of somatosensory function. It is surprising that most of the clinical evidence regarding the degree of local anaesthesia primarily takes into account baseline variability and relative/absolute differences, and most of the inferences are based on the group level . Besides the obvious improvement in terms of data comparability between groups, the DFNS somatosensory evaluation allows the identification of different subgroups and evidence‐based clinical judgment on a cluster and also individual level .…”

Section: Discussionmentioning

confidence: 99%

Topical anaesthesia degree is reduced in temporomandibular disorders patients: A novel approach to assess underlying mechanisms of the somatosensory alterations

Costa

Ferreira

Conti

et al. 2019

J of Oral Rehabilitation

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Background: Changes in quantitative sensory testing (QST) parameters following topical anaesthesia could contribute to better elucidate underlying mechanisms of somatosensory alterations in temporomandibular disorder (TMD) pain patients. This placebo-controlled crossover investigation compared the somatosensory profile following topical anaesthesia between TMD patients (n = 20) and healthy participants (n = 20).Methods: Cold detection threshold, warm detection threshold, cold pain threshold, heat pain threshold, mechanical detection threshold, mechanical pain threshold, wind-up ratio and pressure pain threshold were assessed on the skin overlying the masseter at three consecutive days (baseline and immediately after lidocaine 4%/ placebo cream). Mixed ANOVA and a coding system that accounts for the diversity of types of peripheral axons associated with the somatosensory parameters were applied for data analysis. Results:The lidocaine application caused no changes in the somatosensory sensitivity in the masseter region in TMD patients (P > .050), but sensitivity to cold, cold pain, touch and pinprick stimuli were reduced after topical anaesthesia in healthy participants (P < .050). Also, the degree of topical anaesthesia was greater in healthy participants (P = .008). The coding system suggested that TMD patients presented only Aδ-fibre block, whereas a combination of either Aβ-and/or C-fibre block was observed in 35% of healthy participants in addition to Aδ-fibre block following lidocaine application. Conclusion:Quantitative sensory testing can be successfully applied to identify meaningful differences in the degree of hypoalgesia and hypoesthesia following short-time topical anaesthesia. K E Y W O R D Scentral sensitisation, local anaesthesia, musculoskeletal pain, pain thresholds, sensory thresholds, temporomandibular disorders

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Section: Discussionmentioning

confidence: 99%

Topical anaesthesia degree is reduced in temporomandibular disorders patients: A novel approach to assess underlying mechanisms of the somatosensory alterations

Costa

Ferreira

Conti

et al. 2019

J of Oral Rehabilitation

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“…82,88 For instance, the mapping area is useful when topical formulations are prescribed and its possible reduction over time may indicate a favourable progression. 82,89 The mapping assessment starts testing a site well outside the affected region and gradually moving along a radial trajectory towards the affected region. The individual is asked to report when a notable difference in the sensation is felt, which usually indicates the margins of the sensory alteration.…”

Section: Iag Nos Is Clini C Al Manife S Tation and E Valuationmentioning

confidence: 99%

“…The area of both positive somatosensory signs, for example hyperalgesia and allodynia, and negative, for example analgesia or hypoalgesia, can be recorded and this information may have potential treatment and prognostic value 82,88 . For instance, the mapping area is useful when topical formulations are prescribed and its possible reduction over time may indicate a favourable progression 82,89 . The mapping assessment starts testing a site well outside the affected region and gradually moving along a radial trajectory towards the affected region.…”

Section: Diagnosis Clinical Manifestation and Evaluationmentioning

confidence: 99%

Pain complications of oral implants: Is that an issue?

Conti

Bonjardim

Stuginski‐Barbosa

et al. 2020

J of Oral Rehabilitation

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The use of oral implants as a form of replacing missing teeth in partial or total edentulous patients is considered the gold standard in oral rehabilitation. Although considered a history of success in contemporary dentistry, surgical complications may occur, as excessive bleeding, damage to the adjacent teeth and mandibular fractures. Persistent pain and abnormal somatosensory responses after the surgery ordinary healing time are also potential problems and may lead to the development of a condition named posttraumatic trigeminal neuropathic pain (PTNP). Though relatively rare, PTNP has a profound impact on patient’s quality of life. Appropriated previous image techniques, effective anaesthetic procedures and caution during the surgical procedure and implant installation are recommended for the prevention of this condition. In case of the PTNP, different management modalities, including antidepressant and membrane stabilizer medications, as well as peripheral strategies, as the use of topical medication and the botulin toxin are presented and discussed.

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“…An infraorbital nerve block is very useful for procedures which involve the skin between the lower eyelid, upper lip and for dental procedures on the ipsilateral maxillary teeth (Kothari et al, 2019). The direction and position of IOF also determine the acupuncture point used in the treatment of trigeminal neuralgia (Wilkinson, 1999).…”

Section: Introductionmentioning

confidence: 99%

Morphometric Analysis of Infraorbital Foramen Using Cone Beam Computed Tomography in a Cohort of Sri Lankan Adults

et al. 2021

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Quantitative and qualitative assessment of sensory changes induced by local anesthetics block of two different trigeminal nerve branches

Cited by 13 publications

References 32 publications

Topical anaesthesia degree is reduced in temporomandibular disorders patients: A novel approach to assess underlying mechanisms of the somatosensory alterations

Topical anaesthesia degree is reduced in temporomandibular disorders patients: A novel approach to assess underlying mechanisms of the somatosensory alterations

Pain complications of oral implants: Is that an issue?

Morphometric Analysis of Infraorbital Foramen Using Cone Beam Computed Tomography in a Cohort of Sri Lankan Adults

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