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252 results for

Orbicularis Oris

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241. Update on botulinum toxin. (PubMed)

of botulinum toxin than women. Combination therapy using botulinum toxin along with lasers or filler substances is ideal. Aesthetic medicine knowledge has progressed, contributing a greater understanding of botulinum treatment for advanced areas of the face. The orbicularis oris, mentalis, and depressor anguli oris are now routinely treated and help improve overall facial appearance. Other forms of botulinum toxins (additional type A or type B toxins) are available, each with advantages and disadvantages.

2006 Seminars in Cutaneous Medicine and Surgery

242. Split facial nerve course in vestibular schwannomas. (PubMed)

to the brainstem up to the level of the trigeminal root exit zone and crossed on the cranial tumor pole to the internal auditory canal. The two nerve portions rejoined at the level of the porus acusticus. The smaller portion carried fibers exclusively to the orbicularis oris muscle, whereas the major portion supplied all three branches of the facial nerve.In VSs, an aberrant course with distinct splitting of the facial nerve adds considerably to the surgical challenge. Long-term facial nerve results

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2006 Journal of Neurosurgery

243. Repeated facial palsies after chlorocresol inhalation. (PubMed)

Repeated facial palsies after chlorocresol inhalation. A 42-year-old woman who experienced more than 50 attacks of left-sided facial palsies after exposure to chlorocresol was studied. Only muscles around the left side of the mouth were affected. On neurophysiological testing during chlorocresol provocation the only abnormality was a loss of motor units during maximal contraction of the left orbicularis oris muscle. This could be explained by a peripheral as well as a central effect. Extensive

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1986 Journal of neurology, neurosurgery, and psychiatry

244. Investigation of facial motor pathways by electrical and magnetic stimulation: sites and mechanisms of excitation. (PubMed)

Investigation of facial motor pathways by electrical and magnetic stimulation: sites and mechanisms of excitation. A refined technique is described for non invasive examination of the facial motor pathways by stimulation of the extra- and intracranial segment of the facial nerve and the facial motor cortex. Surface recordings from the nasalis muscle rather than from the orbicularis oris muscle were used, since the compound muscle action potential (CMAP) from this muscle showed a more clearly (...) defined onset. Electrical extracranial stimulation of the facial nerve at the stylomastoid fossa in 14 healthy subjects yielded a mean distal motor latency of 3.7 ms (SD 0.46), comparable with reported latencies to the orbicularis oris muscle. Using a magnetic stimulator, transcranial stimulation of the facial nerve was performed. The mechanism of transcranial magnetic facial nerve stimulation was studied using recordings on 12 patients who had facial nerve lesions at different locations

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1989 Journal of neurology, neurosurgery, and psychiatry

245. Randomized Study of Albuterol in Patients With Facioscapulohumeral Muscular Dystrophy

. For general information, Layout table for eligibility information Ages Eligible for Study: 18 Years to 80 Years (Adult, Older Adult) Sexes Eligible for Study: All Accepts Healthy Volunteers: No Criteria PROTOCOL ENTRY CRITERIA: --Disease Characteristics-- Facioscapulohumeral dystrophy Weakness of the facial muscles, including frontalis, orbicularis oculi, or orbicularis oris Weakness of scapular stabilizers or foot dorsiflexors Weakness of grade 2 or worse in the arm using the upper extremity grading

2000 Clinical Trials

246. Study of Albuterol and Oxandrolone in Patients With Facioscapulohumeral Dystrophy (FSHD)

by standard DNA testing Weakness of the facial muscles, including frontalis, orbicularis oculi, or orbicularis oris Weakness of scapular stabilizers or foot dorsiflexors Ambulatory Weakness grade 2 or worse in the arm using upper extremity grading scale Exclusion criteria: Prior use of oral beta-2 agonists for a period of at least 1 year or within the past 3 months Concurrent use of other sympathomimetic agents, antidepressants, or beta-2 receptor blockers Pregnancy Known hypersensitivity to anabolic

2001 Clinical Trials

247. Idiopathic facial paralysis: new therapeutic prospects with acetyl-L-carnitine. (PubMed)

of electromyograms (EMG) of the orbicularis oculi and oris muscles, by the Schirmes lacrimation test, by stapedial reflex test and a score scale for clinical assessment of paralysis. Results so far obtained have shown an earlier functional recovery of the nerve in those patients treated with acetyl-L-carnitine. Comparison between the affected and unaffected sides of the face revealed a statistical significance in the treated group (p < 0.05) as well as the amplitudes of the muscle action potentials (MAP) between

1992 International journal of clinical pharmacology research

248. Habituation of facial muscle responses to repeated food stimuli. (PubMed)

Habituation of facial muscle responses to repeated food stimuli. We have shown in a series of studies that the human salivary response habituates to repeated presentation of gustatory cues. Parallel animal research has shown that mouthing and food acceptance also habituate. Facial expressions represent a complex response pattern in animals and humans that may provide an objective measurement of motivation to eat. The current study assessed whether facial muscles (orbicularis oris region

1997 Appetite

249. Delayed verbal reactions are specifically impaired in patients with schizophrenia. (PubMed)

the perceived word in a first trial; in a second one, a delay (foreperiod) between the word presentation and a 'go' signal (eight asterisks) is interposed. Acousticograms and orbicularis oris EMG are recorded as responses. The ratio of the 1.5-s foreperiod delayed reaction time to the immediate reaction time reveals a facilitation of the executive system occurring during sustained purposeful attention, a characteristic function of the prefrontal cortex. A further ratio, with a 0.1-s foreperiod, has been

2000 International journal of psychophysiology : official journal of the International Organization of Psychophysiology

250. A modified temporalis transfer in facial reanimation. (PubMed)

A modified temporalis transfer in facial reanimation. A modified surgical procedure for temporalis transfer in facial reanimation of five consecutive cases is presented. Instead of the traditional stripping of the temporalis from its origin, its attachment at the coronoid removed, and to its end, the harvested fascia lata graft was sutured to lengthen the muscle's action. These fibres were then passed to the Orbicularis Oculi and Oris to aid in reanimation and to improve their tone

2002 International Journal of Oral and Maxillofacial Surgery

251. The use of second-intention healing for partial-thickness Mohs defects involving the vermilion and/or mucosal surfaces of the lip. (PubMed)

cosmetic and functional results for the repair of partial-thickness defects involving the vermilion and/or mucosa of the lip. Defects involving more than 2 mm of the cutaneous lip or defects extending deeper than the superficial portion of the orbicularis oris muscle may result in cosmetic or functional deformity or both if allowed to heal secondarily.

2002 Journal of American Academy of Dermatology

252. Electromyographic activity evaluation and comparison of the orbicularis oris (lower fascicle) and mentalis muscles in predominantly nose- or mouth-breathing subjects. (PubMed)

Electromyographic activity evaluation and comparison of the orbicularis oris (lower fascicle) and mentalis muscles in predominantly nose- or mouth-breathing subjects. The objective of this study was to evaluate and compare the electromyographic (EMG) activity of the orbicularis oris--lower fascicle (LOO) muscle and the mentalis muscle (MT)--in predominantly nose-breathing (PNB) and mouth-breathing (PMB) subjects.Thirty-four subjects, 22 PNB and 12 PMB, with Class II Division 1 malocclusions

2006 American journal of orthodontics and dentofacial orthopedics

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