To give inferior alveolar nerve block the nerve is approached lateral to pterygomandibular raphe, between the buccinator and -

Inferior alveolar nerve and vessels enter mandibular foramen on the medial aspect of the body of the mandible to emerge out through mental foramen on the lateral surface. The site of injection is mandibular foramen. The patient is asked to open the mouth and coronoid notch is palpated with index finger. The needle is introduced 1 cm above the surface of last molar medial to finger (coronoid notch) but lateral to pterygomandibular plica/ raphe/fold; between buccinator and superior constrictor.