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Orbicularis Oris

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181. Atypical hemifacial spasm due to vertebral artery dolichoectasia: rare cause of a rarer clinical entity (PubMed)

Atypical hemifacial spasm due to vertebral artery dolichoectasia: rare cause of a rarer clinical entity A 32-year-old man presented with atypical left hemifacial spasm (HFS) with MRI showing compression of left facial nerve at the root exit zone. HFS rarely presents atypically with onset in orbicularis oris and later spreading upward to involve the orbicularis oculi as was seen in our case. Atypical presentation of hemifacial spasm is rare and vertebral artery dolichoectasia as the underlying

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2013 BMJ case reports

182. An innovative cross-lip flap with a musculomucosal pedicle based on the vascular network of the lower lip. (PubMed)

labiomental artery. From 2010 to 2011, this new technique was used in 33 patients with upper lip defects. The split flap was elevated from the posterior portion of the oris orbicularis muscle after the inferior labial artery was divided. All 33 cases of musculomucosal pedicle flaps were viable. The flap was perfectly symmetrical after the first-stage operation, and the operative time was reduced significantly.

2013 Plastic and reconstructive surgery

183. A new technique for one-stage total lower lip reconstruction: Achieving the perfect balance (PubMed)

following excision of squamous cell carcinoma. Bilateral inferiorly based nasolabial flaps were used for reconstruction of lower lip. For vermillion reconstruction, a bucket-handle mucomuscular flap from upper lip was designed primarily using the pars marginalis portion of orbicularis oris. Compared with previously described techniques, this procedure is unique with respect to the alignment of the nasolabial flaps in relation to one another. Furthermore, this technique of vermillion reconstruction (...) is a one-stage procedure with minimal morbidity, enables preservation of the vascular pedicle and innervation and maintains the orientation of orbicularis oris, thus providing a competent oral sphincter. To the authors' knowledge, this mucomuscular upper lip flap has not been described earlier and has definite advantages over the commonly used methods of vermillion reconstruction.The functional and aesthetic outcomes are satisfactory on follow-up, with normal lip movements and sensation, adequate mouth

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2013 The Canadian Journal of Plastic Surgery

184. Variety and complexity of fluorine-18-labelled fluoro-2-deoxy-d-glucose accumulations in the oral cavity of patients with oral cancers (PubMed)

value of over 2.5 in various areas of the oral cavity other than primary lesions were identified in 82 patients with oral cancers.(18)F-FDG/PET-positive areas, excluding primary tumours, included the front intrinsic muscles of the tongue (89.0%), upper and lower marginal parts of the orbicularis oris muscle (64.6%), sublingual glands, palatine tonsil, pharyngeal tonsil, and lingual tonsil. In addition, some areas in the jaws also showed accumulation.In patients with oral cancers, areas of (18)F-FDG

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2013 Dentomaxillofacial Radiology

185. Commissural symmetry in unilateral transverse facial cleft patients: an anthropometric study. (PubMed)

Commissural symmetry in unilateral transverse facial cleft patients: an anthropometric study. To evaluate the commissural symmetry and commissural migration among patients with unilateral transverse facial cleft.From 2006 to 2009, 31 patients with unilateral transverse facial cleft were repaired with superiorly based vermillion-mucosal flap and orbicularis oris reconstruction. Linear closure and superiorly rotated and inferiorly rotated Z-plasty were randomly chosen for skin closure

2012 Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons

186. Modified technique of presurgical infant maxillary orthopedics for complete unilateral cleft lip and palate. (PubMed)

plate device was custom-fabricated in a manner that bypassed the need for periodic acrylic addition and removal, thereby eliminating the risk of natural maxillary growth restriction during therapy. Elastic labial tapes were fabricated and applied in a configuration that mimicked normal function of the orbicularis oris muscle. A nasal stent wire was utilized from the initiation of therapy to enhance intraoral retention and stability of the device. Examples of infants undergoing a unilateral complete

2012 Plastic and reconstructive surgery

187. Dandy Walker Syndrome with Tessier 7 Cleft-a Rare Case Report and a Surgical Note on the Use of Vermilion Flap and Lazy W-Plasty (PubMed)

and urinary structural abnormalities may also occur in 30% of the individuals. We report a case of Dandy Walker syndrome with Tessier 7 facial cleft with paramedian cleft palate in a 6 month old child. Surgical methods used to correct this anomaly include commissuroplasty, myoplasty of the orbicularis oris, and closure of the cleft cheek. Authors report a vermilion square flap technique that combines a lower lip mucocutaneous vermilion border flap with a lazy W-plasty to ensure a natural commissure

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2011 Journal of Maxillofacial & Oral Surgery

188. Assessment of Deformities of the Lip and Nose in Cleft Lip Alveolus and Palate Patients by a Rating Scale (PubMed)

obtained.During the primary repair, it is important to correct the abnormal position of ala nasi, the nasal floor and the base of the columella. Abnormalities in the insertion of the nasolabial muscles with their abnormal function contribute to the cleft nose deformities. Therefore the reconstruction not only the orbicularis muscle but also of the paranasal muscles is therefore important for a symmetrical growth of the nose. Separate suture of intrinsic orbicularis oris provide a better shape

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2011 Journal of Maxillofacial & Oral Surgery

189. Botulinum Toxin to Improve Results in Cleft Lip Repair

to reduce the facial scar is logical because this could reduce the tensile distracting force of the upper lip caused by the orbicularis oris muscle pull. Tollefson has demonstrate that botulinum toxin injection has decrease lip tension after primary lip repair in 3 children at 3-6 months of age The main aim of this randomized trial is to compare whether post-operative peri-surgical-injection of botulinum toxin into bilateral orbicularis oris muscles can improve scar formation for both primary (...) in Cleft Lip Repair Study Start Date : July 2000 Actual Primary Completion Date : August 2010 Estimated Study Completion Date : August 2013 Resource links provided by the National Library of Medicine related topics: Arms and Interventions Go to Arm Intervention/treatment Experimental: study group I For primary lip surgery, immediately after primary lip repair will received botulinum toxin injection (1-2U/kg, at 25U/mL) into the bilateral aberrant oriented orbicularis ocuris muscle via 4 superficial

2011 Clinical Trials

190. Upper Lip Basal Cell Carcinoma Reconstruction Based on Anatomical Characteristics Using Skin-Mucosa Double Opposing V-Y Advancement Flap (PubMed)

to reconstruct the upper lip after basal cell carcinoma extirpation.The patient is a 54-year-old woman who presented with a 2.5-cm basal cell carcinoma in the right upper lip. Two parallel V-Y flaps were designed, on "parallel" planes of the skin and mucosa, and were advanced following wedge resection of tumor and portion of the adjacent orbicularis oris muscle. Skin/mucosa flap edges were brought to create a new skin-vermilion border, which was then sutured onto existing skin-vermilion border edges.The

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2011 Eplasty

191. Prevention of buccal mucosa scarring with transforming growth factor β3. (PubMed)

was removed down to the masseter muscle or orbicularis oris muscle layer using a 6-mm biopsy punch. Six weeks after the operation, the buccal mucosae were harvested after euthanasia. Morphologic and histologic examinations were performed.The administration of 0.5 μg/mL TGFβ3 induced rapid re-epithelialization and suppressed scar formation. In the submucosal layer, favorable restoration of hyaluronic acid and elastin was seen in the TGFβ3-treated groups compared to the saline-treated group.TGFβ3

2011 Laryngoscope

192. [Comparison of therapeutic effects between plum-blossom needle tapping plus cupping and laser irradiation in the treatment of acute facial palsy patients with concomitant peri-auricular pain]. (PubMed)

(GB 12), Dicang (ST 4), etc. was given continuously to patients of the two groups, once daily for 20 times. The treatment times for healing ipsilateral peri-auricular pain, and the electromyogram (EMG, compound muscle action potential) of the ipsilateral musculus orbicularis oris were recorded. Scores of the facial nerve function were given to House-Brackmann Facial Nerve Grading System.The treatment times for healing peri-auricular pain in the treatment group and laser irradiation group were 2.9

2011 Zhen ci yan jiu = Acupuncture research / [Zhongguo yi xue ke xue yuan Yi xue qing bao yan jiu suo bian ji]

193. The structural basis of the philtrum and the contour of the vermilion border: a study of the musculature of the upper lip. (PubMed)

The structural basis of the philtrum and the contour of the vermilion border: a study of the musculature of the upper lip. The course and insertion pattern of muscle fibres in the philtrum of the human upper lip were studied in seven post-mortem specimens using serial histological sections and a reconstruction method using sheets of Plexiglas. The fibres of the musculus orbicularis oris entering the upper lip from one side were observed to decussate in the midline and proceed to insert (...) into the skin of the opposite side lateral to the philtral groove. The philtral ridges appeared to represent the medial borders of bilateral muscle insertion zones of the lip in which the fibres of the m. orbicularis oris raised the level of the skin by splaying out and inserting into it. Contributions to philtral form also came from the musculus levator labii superioris as it descended as far medially as the philtral ridge to insert into the vermilion border lateral to the median groove, and from fibres

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1976 Journal of anatomy

194. Prognostic value of minimal excitability of facial nerve in Bell's palsy. (PubMed)

Prognostic value of minimal excitability of facial nerve in Bell's palsy. Nerve excitability is useful for prognosis in Bell's palsy. Minimal excitability values (MEV) were obtained by stimulating the facial nerve and recording the effective current (mA) required to evoke a minimal visible contraction of frontalis, orbicularis oculi, orbicularis oris, and mentalis muscles respectively. Serial MEVs were performed on 100 patients with facial palsy, of whom 87 were followed for six months

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1978 Journal of neurology, neurosurgery, and psychiatry

195. Synkinesis

% of the set of axons that innervate the orbicularis oris successfully reinnervate the original site. The other half aberrantly branched off and innervated the (eye muscle). Thus, when the patient purses their lips, the eye will squint. The hypothesis assumes that disorganized regeneration occurs at the site of the lesion. On the contrary, recent research by Choi and Raisman has provided a more thorough understanding of synkinesis through aberrant axonal regeneration. Their study has shown (...) targets are the orbicularis oculi, depressor anguli oris (DAO), mentalis, platysma and the contralateral depressor labii inferioris muscles. Due to the short span of Botox effects though, patients must come back to the doctor for re-injection approximately every 3 months. More notable is that in a majority of patients, various synkinetic movements completely disappeared after 2-3 sessions of trimonthly Botox injections. A more specific synkinesis, crocodile tears syndrome (hyperlacrimation upon eating

2012 Wikipedia

196. Conditioned cues for smoking elicit preparatory responses in healthy smokers (PubMed)

present study investigated the motivational properties of experimentally conditioned cues for smoking.Thirty-nine smokers completed a differential conditioning protocol. Abstract pictures were used as CSs and single puffs on a cigarette as unconditioned stimulus (US). Skin conductance responses and facial electromyography of the zygomatic, corrugator, and orbicularis oris muscles were measured during conditioning.The conditioned cue for smoking (CS+) elicited stronger skin conductance responses (...) and more activity of the zygomatic and orbicularis oris muscles than the CS-.These results support the notion that through pairing with smoking, neutral stimuli acquire the ability to elicit preparatory physiological responses, which are assumed to play an important role in the maintenance of addiction and relapse in the natural environment.

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2010 Psychopharmacology

197. Revisiting Orthodromic Temporalis Transfer in Treating Long-Standing Facial Paralysis (PubMed)

to a fascia lata graft, which was passed and secured to the orbicularis oris to reanimate the corner of the mouth. The procedure is less extensive and provides a direct "orthodromic" line of pull with good muscular excursion and power. This simple procedure has been applied to 12 consecutive cases with long-standing complete facial paralysis presenting to the Plastic and Reconstructive Surgery Clinic at the Ain-Shams University Hospital over the past 2 years. In addition to symmetry at rest, this easy

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2010 Craniomaxillofacial trauma & reconstruction

198. Sclerotherapy with bleomycin does not adversely affect facial nerve function in children with cervicofacial cystic lymphatic malformation. (PubMed)

) study, sex, time elapsed between sclerotherapy and the EMG study, and the outcome. The MNCS/EMG study was performed by neurologists blinded to the side of sclerotherapy. Bilateral facial MNCS and needle-EMG study of the orbicularis oris muscle on the treated side were performed. The previously treated and untreated sides constituted the study and control groups, respectively. In the MNCS, compound muscle action potential (CMAP) amplitude and distal latencies were recorded from the orbicularis oculi (...) and orbicularis oris muscles on both sides, and needle-EMG of the orbicularis oris muscle was performed on the treated side.The male-to-female ratio was 2, and age at the time of sclerotherapy ranged from 1 month to 16 years (median, 19.5 months). The lymphatic malformations were located in the right submandibular (n = 5), left submandibular (n = 6), and in the right buccal (n = 1) areas. Bleomycin sulfate was injected 1 to 4 times, and the time elapsed between injections varied from 1 to 6 months

2010 Journal of Pediatric Surgery

199. Reversal of profound rocuronium block monitored in three muscle groups with sugammadex in ponies. (PubMed)

of the pelvic limb (peroneal nerve) and thoracic limb (radial nerve), and in the orbicularis oris muscle (OOM; facial nerve). Rocuronium 0.6 mg kg(-1) i.v. was administered, followed 5 min later by sugammadex 4 mg kg(-1) i.v. Onset time (onsetROC), maximum block, and time to recovery of the train-of-four ratio to 0.9 (TOFR=0.9) were recorded. The differences between monitored sites were compared using one-way anova followed by a post hoc Dunn's test.Onset of ROC was significantly delayed in OOM compared

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2010 British Journal of Anaesthesia

200. Cephalometric and electromyographic study of patients of East African ethnicity with and without anterior open bite. (PubMed)

girls; ages, 10.1-13.2 years) were recruited. A cephalometric comparison of subjects with and without AOB was performed. Surface electrodes were placed on the bilateral anterior temporalis, superficial masseter, superior orbicularis oris, and anterior digastric muscles. Electromyograms were recorded at rest, maximal voluntary clenching, chewing, and swallowing. Tongue pressure during rest and swallowing, and maximal bite force were also measured.There was no statistically significant difference

2010 American journal of orthodontics and dentofacial orthopedics

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