Question 20 of 20

The posterior superior alveolar nerve provides sensory innervation to:

1. pulp of the maxillary teeth to the midline
2. palatal gingiva to the midline
3. pulp of the maxillary molars excluding the mesiobuccal root of the maxillary first molar
4. buccal gingiva overlying the maxillary molars
5. anterior 2/3 of the tongue
   1. 1 and 2 only
   2. 2, 3 and 4 only
   3. 3 and 4 only
   4. 1, 2 and 3 only
   5. 5 only