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Related Concept Videos

Chronic Pharyngitis01:23

Chronic Pharyngitis

Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
Tonsillitis I: Introduction01:30

Tonsillitis I: Introduction

Tonsillitis is inflammation of the tonsils, which are two lymphoid tissue masses at the back of the throat. This condition can cause discomfort and irritation in the throat.
Etiology
Three primary contributing factors have been identified.
Tonsillitis II: Management01:26

Tonsillitis II: Management

This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract.
Acute Pharyngitis01:30

Acute Pharyngitis

Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
Upper Respiratory Drugs: Decongestants01:27

Upper Respiratory Drugs: Decongestants

Decongestants are a class of medications used primarily to alleviate nasal congestion, a common symptom resulting from allergies, colds, sinusitis, and other upper respiratory tract infections. These drugs work by activating α-adrenergic receptors, constricting small blood vessels in the nasal membranes. This action results in the opening of clogged nasal passages, thereby facilitating sinus drainage and relieving congestion.
Most decongestants are readily available over-the-counter in various...

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Related Experiment Video

Updated: Jun 3, 2026

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
08:47

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

Published on: March 3, 2023

[A woman with sinusitis].

Leonie Bruine de Bruin1, Henk M Blom

  • 1HagaZiekenhuis, afd. Keel-, Neus- en Oorheelkunde, Den Haag, the Netherlands. l.bruinedebruin@kno.umcg.nl

Nederlands Tijdschrift Voor Geneeskunde
|March 25, 2011
PubMed
Summary
This summary is machine-generated.

Dental implants can migrate into the maxillary sinuses, causing sinusitis. This case highlights the importance of considering implant migration in patients presenting with sinus inflammation.

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Nasal Brushing Sampling and Processing Using Digital High Speed Ciliary Videomicroscopy – Adaptation for the COVID-19 Pandemic
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Nasal Brushing Sampling and Processing Using Digital High Speed Ciliary Videomicroscopy – Adaptation for the COVID-19 Pandemic

Published on: November 7, 2020

Related Experiment Videos

Last Updated: Jun 3, 2026

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
08:47

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

Published on: March 3, 2023

Nasal Brushing Sampling and Processing Using Digital High Speed Ciliary Videomicroscopy – Adaptation for the COVID-19 Pandemic
09:03

Nasal Brushing Sampling and Processing Using Digital High Speed Ciliary Videomicroscopy – Adaptation for the COVID-19 Pandemic

Published on: November 7, 2020

Area of Science:

  • Dentistry
  • Radiology
  • Otolaryngology

Background:

  • Maxillary sinusitis is a common condition often treated with antibiotics.
  • Dental implants are frequently used for tooth replacement in the maxilla.

Observation:

  • A 52-year-old woman presented with symptoms of maxillary sinusitis.
  • Computed tomography (CT) scans revealed two migrated dental implants within the maxillary sinuses.

Findings:

  • The migrated dental implants were identified as the likely cause of the chronic sinusitis.
  • This presentation is an uncommon complication of dental implant placement.

Implications:

  • Radiological imaging is crucial for diagnosing sinusitis of unknown origin.
  • Awareness of potential implant migration is important for clinicians managing patients with dental implants and sinus issues.