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The palate serves as the roof of the mouth and the floor of the nasal cavity. It is made up of two areas known as the hard palate and the soft palate.

This article will provide an overview of the palate as a whole and a brief summary of one of the palatal anomalies that may occur in some patients.

The Hard Palate

The hard palate is the anterior part of the palate which consists of the two palatine shelves of the maxilla which are fused down the midline, as well as the two palatine processes of the palatine bones. It it covered on its superior aspect by respiratory mucosa and by oral mucosa on its inferior aspect, which covers a layer of periosteum and mucous secreting salivary glands. The palatine raphe runs down the midline as a groove and represents the embryonic fusion of the palatine shelves.

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Anatomy, function and definition of the hard palate.

The hard palate contains five foramina which include the incisive fossa, a pair of greater palatine foramina and a pair of lesser palatine foramina. The incisive fossa contains the nasopalatine nerves and sits directly behind the central incisors. The greater palatine foramina, which are just medial to the third molar, contain the greater palatine nerves and vessels. The lesser palatine foramina contain the lesser palatine nerves and vessels and sit just posterior to the greater palatine foramina.

The Soft Palate

The soft palate sits posterior to the hard palate and is known as such due to the fact that it has no bony skeleton and is therefore movable. It attaches to the hard palate via an aponeurotic plate and has a muscular plate posteriorly which is comprised of the tensor veli palatini muscle. A conical projection of the posterior free edge that hangs down into the oropharynx is known as the uvula.

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Anatomy, function and definition of the soft palate.

Palatinal Torus

A palatinal torus may occur on the hard palate and although it might not seem like it, it is a completely natural occurrence. It will not cause an impediment to eating or speaking, due to the fact that the palate is arched and is therefore usually left alone.

In the case of a dental appliance, such as a removable partial denture or an orthodontic appliance however, it can prove to be difficult. As it is a bony elevation, a surgery will need to be performed to file down the bone, with the result of a smooth arc like shape that a dental appliance can sit upon without irritating the surrounding mucosa.

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Show references


  • Frank H. Netter: MD, Atlas of Human Anatomy, Fifth Edition, Saunders - Elsevier, Chapter 6 Oral Region, Palate, Page 35.
  • Neil S. Norton: Ph.D. and Frank H. Netter, MD, Netter’s Head and Neck Anatomy for Dentistry, 2nd Edition, Elsevier Saunders, Chapter 13 Oral Cavity, Boundaries of the Oral Cavity, Page 332 to 336 and 374.


  • Dr. Alexandra Sieroslawska


  • The Hard Palate - Yousun Koh 
  • The Soft Palate - Yousun Koh 
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Related Atlas Images

Overview of the oral cavity

Medial wall of the nasal cavity

Pharyngeal mucosa

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