The target area for needle placement
RM: Ramus of mandible, IAN: Inferior alveolar nerve, TT: Temporal tendon, IOL: Internal oblique line, BM: Buccinator muscle, SFT: Stratum of fibrous tissue (fascia of temporal muscle or periosteum), LN: Lingual nerve, PMS: Pterygomandibular space, MPM: Medial pterygoid muscle