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PubMedDate not supplied

The wand versus traditional injection for mandibular nerve block in children and adolescents: perceived pain and time of onset.

PURPOSE: The purpose of this study was to compare the perception of pain and time of onset in relation to mandibular alveolar nerve block administered by a computerized anesthesia delivery system (ie, The Wand) and a traditional anesthesia system (ie, the syringe). METHODS: This study was conducted according to a split-mouth design, with both types of injections being given to all patients. Subjects consisted of 33 patients between 7 and 18 years of age requiring local anesthesia for dental restorations in both sides of the mandible. All patients were blindfolded, and the sound from the Wand machine was activated during both types of administration. Topical analgesic was placed in the area of the injection site in all cases. Pain ratings were obtained using a 10-point visual analog scale (VAS). Time of onset was measured, from withdrawal of the needle to numbness of the lower lip was reported. RESULTS: The computerized anesthesia delivery system resulted in significantly lower pain ratings than the traditional syringe. No difference could be found in time of onset between the 2 methods. CONCLUSIONS: Mandibular alveolar block analgesia seems to be less painful when using The Wand than when using a traditional syringe.

Adolescent↗
PubMed1996

[Studies of the course of the marginal branch of the facial mandibular nerve].

BACKGROUND: In many operations involving the submandibular and lower cheek region, the mandibular branch of the facial nerve is in danger. METHODS: On the basis of 55 facial dissections, we classified the course of the nerve into one of three types. RESULTS: In about 66% of cases, the nerve runs below the angle and below the inferior border of the mandible. Typically, the mandibular branch consists of up to four major branches. The maximum distance between the lowest point of the mandibular branch and the inferior border of the mandible was 1.4 cm. We also studied the location of the nerve in relation to the facial vessels and the posterior facial vein. CONCLUSIONS: Incisions in the submandibular region should be performed at least 2 cm below the inferior border of the mandible. The nerve can be spared by ligature and by retracting the anterior facial vein.

Aged↗
PubMed1987

The postganglionic parasympathetic fibers originating in the otic ganglion are distributed in several branches of the trigeminal mandibular nerve: an HRP study in the guinea pig.

Application of HRP to the proximal stumps of the ramifications of the trigeminal nerve shows that all those belonging to the mandibular branch contain parasympathetic fibers originating in the otic ganglion. The nerve with the largest proportion of these fibers is the auriculotemporal nerve (50-60% of all labeled neurons), while the smallest percentages are found in the lingual nerve and motor root (about 5% each). The presence of otic fibers in the inferior alveolar, mylohyoid, buccal and motor branches of the trigeminal nerve has not hitherto been reported.

Animals↗