The landmark that cannot been viewed at the anterior side of view is mandibular foramen.
- The mandibular foramen can be regarded as opening that is found on internal surface of the ramus of the mandible.
- This opening allows for divisions of the mandibular nerve as well as blood vessels to pass through.
- The mandibular foramen has a branch of the trigeminal nerve, this nerve and blood vessels are regarded as inferior alveolar nerve as well as artery in the mandibular foramen.
Therefore, mandibular foramen is the correct answer.
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