Evidence – The intraoral palpability of the lateral pterygoid muscle – A prospective study

Stelzenmueller, W.; Umstadt, H. E.; Weber, Dominic; Goenner-Oezkan, V.; Kopp, Stefan; Lisson, Jörg A.

doi:10.1016/j.aanat.2015.10.006

Cited by 17 publications

(5 citation statements)

References 16 publications

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“…The most reliable clinical test seems to be the painful protrusion against resistance ( 1 , 11 , 18 , 19 ). Exact localization of the TrP before the puncture can be achieved by palpation, ultrasound or electromyography, although their use is complex and not validated ( 22 - 25 ). In general, the precise puncture of the LPM is a simple, reliable and validated technique ( 11 , 18 ) achieved via a transcutaneous approach, with the two muscle bellies easily reached ( 26 ).…”

Section: Discussionmentioning

confidence: 99%

Randomized, double-blind study comparing percutaneous electrolysis and dry needling for the management of temporomandibular myofascial pain

et al. 2018

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BackgroundTo assess whether the techniques of percutaneous needle electrolysis (PNE) and deep dry needling (DDN) used on trigger points (TrP) of lateral pterygoid muscle (LPM) can significantly reduce pain and improve function in patients with myofascial pain syndrome (MPS) compared to a control group treated with a sham needling procedure (SNP).Material and MethodsSixty patients diagnosed with MPS in the LPM were selected and randomly assigned to one of three groups. The PNE group received electrolysis to the LPM via transcutaneous puncture. The DDN group received a deep puncture to the TrP without the introduction of any substance. In the SNP group, pressure was applied to the skin without penetration. Procedures were performed once per week for 3 consecutive weeks. Clinical evaluation was performed before treatment, and on days 28, 42 and 70 after treatment.ResultsStatistically significant differences (p<0.01) were measured for the PNE and DDN groups with respect to pain reduction at rest, during chewing, and for maximum interincisal opening (MIO). Values for the PNE group showed significantly earlier improvement. Differences for PNE and DDN groups with respect to SNP group were significant (p<0.05) up to day 70. Evaluation of efficacy as reported by the patient and observer was better for PNE and DDN groups. No adverse events were observed for either of the techniques.ConclusionsPNE and DDN of the LPM showed greater pain reduction efficacy and improved MIO compared to SNP. Improvement was noted earlier in the PNE group than in the DDN group. Key words:Myofascial pain syndrome, myofascial trigger points, percutaneous needle electrolysis, deep dry needling, lateral pterygoid muscle.

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Section: Discussionmentioning

confidence: 99%

Randomized, double-blind study comparing percutaneous electrolysis and dry needling for the management of temporomandibular myofascial pain

et al. 2018

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“…Further demonstrating the clinical importance of the LPM, Stelzenmueller et al (2016) 33 state that manual palpation is essential to the clinical evaluation of this muscle. The basic requirement for successfully palpating the LPM is precise knowledge of the muscle topography and the proper route for intraoral palpation.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of pain threshold upon palpation of the masticatory muscles in women with temporomandibular disorder according to the Research Diagnostic Criteria of Temporomandibular Disorders

et al. 2018

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Purpose: to evaluate the pain threshold upon palpation of the masticatory muscles in women with temporomandibular disorder (TMD) according to the Research Diagnostic Criteria of Temporomandibular Disorders (RDC/TMD). Methods: a cross-sectional study was conducted involving the evaluation of pain threshold upon palpation of the extraoral muscles (temporal, masseter, posterior mandibular region, submandibular region) and intraoral muscles (lateral pterygoid area and temporal tendon) in women using the RDC/TMD clinical examination. Results: 60 women were evaluated. Statistically significant differences were found among the muscles evaluated regarding the pain threshold. The lateral pterygoid area, bilaterally, had the lowest pain threshold, followed by the masseter and temporal muscles. Conclusion: this study suggests that the lateral pterygoid muscle, bilaterally, has the lowest pain threshold upon palpation among the masticatory muscles, followed by masseter and temporal muscles, in women with TMD, according to the RDC/TMD evaluation.

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“…In more complex situations, occlusion can be analyzed with the use of T-Scan digital occlusal analysis system. It is a useful tool to determine the morphology and intensity of occlusal contacts using a color code and to identify premature abnormal contacts with occlusion and disclusion time [ 3 , 20 , 21 ].…”

Section: Medical Interview and Physical Examinationmentioning

confidence: 99%

“…Superficial muscles of mastication should be first examined simultaneously on both sides of the face ( Figure 9 a) in the area of upper and lower muscle attachment and in the largest cross-section area. The deep masseter area should be examined with one fingertip, around 1 cm anteriorly from the area of the temporomandibular joint ( Figure 9 b) [ 20 , 27 ].…”

Section: Medical Interview and Physical Examinationmentioning

confidence: 99%

Diagnostic of Temporomandibular Disorders and Other Facial Pain Conditions—Narrative Review and Personal Experience

et al. 2020

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Temporomandibular disorders are complex dysfunctions of masticatory muscles and temporomandibular joints. Their symptoms affect more than 40% of the population and their prevalence is rising. It is important to establish a unified protocol for this specialistic examination. This review describes the authors’ own longstanding experiences and the discrepancies in the current literature regarding this topic as well as a detailed procedure of diagnosing temporomandibular disorders including the leading but often underrated role of a medical interview. We presented optimal physical examination methods as well as specific situations in which additional diagnostic and imaging tools may be useful. The emphasis was put on the importance of differential diagnosis between temporomandibular disorders and other diseases presenting with similar symptoms.

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Evidence – The intraoral palpability of the lateral pterygoid muscle – A prospective study

Cited by 17 publications

References 16 publications

Randomized, double-blind study comparing percutaneous electrolysis and dry needling for the management of temporomandibular myofascial pain

Randomized, double-blind study comparing percutaneous electrolysis and dry needling for the management of temporomandibular myofascial pain

Evaluation of pain threshold upon palpation of the masticatory muscles in women with temporomandibular disorder according to the Research Diagnostic Criteria of Temporomandibular Disorders

Diagnostic of Temporomandibular Disorders and Other Facial Pain Conditions—Narrative Review and Personal Experience

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