SINUS CAVITIES DIAGRAM

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Sinus Help

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Fundamentally situated in the skull, human sinus cavities are the passageways mainly found in the areas around the face. Also known as paranasal sinuses, they are hollow, irregular air cavities which sit adjacent to and are attached to the nose and nasal passageways.

Protection and lowering of the weight of the skull are the principal tasks of these cavities and the human voice also resonates here.

Both ENTs and dentists should thoroughly know the anatomy of sinus cavities to properly handle the infection that frequently spreads here.

Infection in the frontal or ethmoid sinuses can lead to meningitis.

Images of the facial sinus cavities present its basic anatomy, which includes four pairs of sinuses specifically...• Frontal sinuses = Found between the outer and inner tables of the frontal bone• Maxillary sinuses = An empty cavity that occupies a huge part of the maxilla• Ethmoid sinuses = Which fills up a big part of the ethmoidal labyrinth behind the eyes• Sphenoid sinuses = Found in the sphenoid bone, but which may stretch to the wings of the sphenoid, the pterygoid plates and the clinoid processes

When determining x-rays, CT scans or MRIs of sinus conditions, as well as infection, sinus cavities diagram are very helpful.

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For dentists, understanding the maxillary sinus is essential since the apices of the teeth extends into the maxillary cavity.

Removal of wisdom teeth (or "wisdome teeth" as it is frequently misspelled) and root canal specifically of the first molar may result in the progression of apical abscess or periodontal disease, which may bring about acute maxillary sinusitis.

The symptoms of a sinus infection will vary, relying on the sinus cavity affected and the type of infection.

Acute sinusitis

Ethmoid sinusitis

• Nasal clogging with mucopurulent discharge • Post nasal drip, together with a sore throat• Soreness or strain around the inner corner of the eye or down one side of the nose• Headache in the temple, or around and behind the eye• Soreness or stress symptoms become more intense when coughing, forcing, or lying on the back, but improves when the head is vertical• Fever

Maxillary sinusitis

• Pain around the cheekbone, around or below the eye, or surrounding the upper teeth• Pain or pressure on one side or both sides of the face• Tender, red, or swollen cheekbone

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• Soreness and stress symptoms deteriorate with the head in vertical position and bending forward, but improves when lying down• Nasal discharge or postnasal drip (may be accompanied by sore throat)• Fever

Frontal sinusitis

• Severe headaches in the forehead• Fever • Discomfort worsens while lying down but improves when the head is vertical• Nasal discharge or postnasal drip (maybe coupled with sore throat)

Sphenoid sinusitis

• Deep throbbing headache with pain centred on the top and the back of the head, the whole forehead, and behind the eye• Fever • Pain worsens when lying on the back or bending forward• Double vision or vision disruptions may develop if strain runs into the brain• Nasal discharge or postnasal drip (may be accompanied by sore throat)

Chronic sinusitis

Ethmoid sinusitis

• Chronic mucopurulent nasal discharge, blockage, and

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low-grade soreness especially over the bridge of the nose• Discomfort gets worse late in the morning or when using eyeglasses• Chronic sore throat• Chronic bad breath

Maxillary sinusitis

• Pain or stress under the eye• Chronic toothache or heightened sensitivity in the tooth• Pain increases with colds, flu, or allergies• There is tremendous soreness all through the day • Greater rounds of coughing at night

Frontal sinusitis

• Unrelenting, low-grade headache in the forehead• Background of trauma or damage to the sinus area• Chronic postnasal drip (may be accompanied by sore throat and bad breath)

Sphenoid sinusitis

• Low-grade general headache • Chronic postnasal drip (may be together with sore throat and bad breath)

It will be simpler to find the infection and reduce its propagation to the other parts of the head when a doctor wholly understands the anatomy of the sinus cavities.

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