Floor Of Maxillary Antrum

The maxillary sinus or antrum of highmore is a paired pyramid shaped paranasal sinus within the maxillary bone which drains via the maxillary ostium into the infundibulum then through hiatus semilunaris into the middle meatus.

Floor of maxillary antrum.

An trum pl. Pyloric antrum. The maxillary antrum is closely related to the roots of the maxillary premolar and molar teeth and is frequently visualized on oral and facial radiographs. If the sinus is large it reaches below this level.

The base of the pyramid is composed of the medial wall which separates the maxillary sinus from the nasal cavity and the apex is in the zygomatic process. Exploration of the sinus cavity was done. Antrum maxilla re maxillary antrum maxillary sinus. Radiography and computed tomography revealed bone discontinuity in the left floor of the maxillary sinus and calcifications within the antrum.

Maxillary sinus a facial region that is one of a pair of usually symmetrical hollow cavities located in the maxillary body. The floor is formed by the alveolar process and if the sinus is of an average size is on a level with the floor of the nose. Citation needed projecting into the floor of the antrum are several conical processes corresponding to the roots of the first and second maxillary molar teeth. In some cases the floor can be perforated by the.

Maxillary sinus anatomy roof formed by maxilla s alveolar process the roof forms the floor of the. Under general anesthesia a gingivoperiosteal flap was raised in the right posterior maxillary gum tissue region. A cavity or chamber. Antrum of highmore maxillary sinus.

33 1c 33 2d and 33 3a of approximately 15 cm 3 volume 3 7 2 5 3 0 cm. Dental surgery in the maxillary molar and premolar region may be complicated by the creation of an oroantral communication the displacement of. The maxillary sinus also called the maxillary antrum is a pyramidal cavity see figs. An tra antrums l.

The impacted wisdom tooth was identified. The roots of the upper premolars and molars and the floor of the maxillary antrum are closely related and share a common innervation. Successful surgical removal of impacted molars from orbital and sinus floor. Access was gained into the maxillary antrum.

It is pyramidal with the base projecting medially on the nasal cavity and laterally to the apex of the zygoma. It is the larges. A 63 year old female patient evaluated for a nonhealing left toothless palate lesion and chronic headache occurring over 4 years.