The injury of the marginal mandibular branch
of the facial nerve developing in our case is thought to be the primary cut created by the water jet.
On each CBCT 4 points from the central, lateral and medial zones of the corresponding mandibular branch
were assessed bilaterally, located at a distance of 5 mm between each line up to 20 mm.
In this case, the fistula's aperture seemed to be in close proximity to the distribution of marginal mandibular branch
of the facial nerve.
Next, by using the extraoral submandibular approach on both sides, after the skin incision was made 1.5 cm below the mandibular border, the platysma muscle and the superficial layer of the deep cervical fascia were sectioned, and with taking care of the marginal mandibular branch
of the facial nerve, facial vein, and facial artery, the pterygomasseteric connection was reached.
A cadaveric study was conducted to examine the correlation of an anatomy of the marginal mandibular branch
of the facial nerve and its surrounding tissues .
Physical examination revealed 14 isolated comedones on the right side of the face, consistent with trigeminal mandibular branch
dermatome [Figure 1]c.
Weakness of the marginal mandibular branch
of the facial nerve (n=2).
Gynecomastia, meanwhile, would probably require too many shots, and the jowl, another potential target, is too close to the marginal mandibular branch
of the facial nerve, "so you are not supposed to inject there," Dr.
Masticatory muscle myositis is an autoimmune canine myopathy causing focal inflammation of muscles of mastication including the temporalis, masseter, pterygoid and rostral digastricus, all of which are innervated by mandibular branch
of trigeminal nerve (Bolfa et al., 2011; Melmed et al., 2004; Reiter and Schwarz, 2007).
An isolated paresis of the marginal mandibular branch
was also documented.
A possible complication of surgery in the submandibular triangle is damage to the marginal mandibular branch
of the facial nerve.
The cervical lamina encloses the ster-nocleidomastoid muscle, the external jugular vein, the submandibular gland the facial vessels, and the marginal mandibular branch
of the facial nerve (Figure 1(a)).