IX. Fill in the gaps with the necessary prepositions.

1. The superior maxillary bones are … an irregular form.

2. They are knit together along the median line … the face.

3. The bones … the face consist …the mandible and the superior maxillary bones.

4. The superior maxillary bones are the largest bones of the face … the mandible.

5. Above the canine fossa there is an infraorbital foramen …the nerve …the same name.

6. The ridge extends … the molar region … the base … the zygomatic process.

7. Tuberosity is connected … the palate bones.

8. The posterior surface is perforated … three or four small holes.

9. There is a depression just … the canine and the first bicuspid teeth.

10. These bones enter … the formation … three cavities.

X. Fill in the gaps with the corresponding words.

1. The superior maxillary bones are of a very … form.

2. The body is the … part of the bone.

3. There is … just above the canine teeth called ….

4. There is the … foramen for the nerve of the same name.

5. The posterior surface transmits … and … to the molar teeth.

6. The zygomatic surface forms the ….

7. The posterior surface has a bulging called ….

8. The superior maxillary bones consist of a body and ….

9. The bones are closely … together.

10. The facial surface is directed … and vertically.

XI. Read the text and answer the question What surface is the infraorbital groove situated in?

The Maxillary Bones

The superior maxillary bones by their union form the arch of the upper jaw and each bone presents for examination a body and four processes: zygomatic, frontal, alveolar and palatine.

The superior maxillary bones are the largest bones of the face except the mandible.

The body is the central part of the bone and has four surfaces.

The external surface is irregularly convex and has the so called canine fossa.

The nasal surface forms the lateral boundary of the nasal cavity.

At the lower aspect of the zygomatic surface there is the maxillary tuberosity and the posterior dental vessels and nerves enter the bone.

The superior surface of the bone has the infraorbital groove which passing forward becomes canalized and divided into two branches, one of which terminates in the infraorbital foramen whilst the smaller branch transmits the anterior dental nerves and vessels to the front teeth of the upper jaw.

XII. Read the statements and say if they are true or false.

1. The superior maxillary bones are the smallest bones of the face.

2. The external surface is irregularly concave.

3. At the upper aspect of the zygomatic surface there is the maxillary tuberosity.

4. The inferior surface of the bones has the infraorbital groove.

5. The palatine surface is irregularly convex.

6. The superior surface is divided into three branches.

7. Each superior maxillary bone has a bone and two processes.

8. The orbital surface forms the lateral boundary of the nasal cavity.

9. The largest branch of the superior surface transmits the anterior dental nerves and vessels to the teeth.

10. One of the branches of the superior surface terminates in the nasal cavity.