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1.       Usually originates from mandibular second or third molars

2.       Is located below the mylohyoid muscle

3.       Presents with extraoral swelling near the angle of the mandible

4.       Can lead to airway obstruction if it spreads bilaterally

5.       Is primarily treated with high‑dose Vitamin C alone

1.       Injection into an infected or acidic tissue environment

2.       Intravascular injection

3.       Anatomical variations in nerve distribution

4.       Defective anesthetic solution or technique

5.       Use of a sharp needle

1.       Encouraging a vigorous blood clot in the socket

2.       Placement of a collagen sponge (Gelfoam)

3.       Sinus precautions (avoiding sneezing/blowing nose)

4.       Prescription of antibiotics and decongestants

5.       Immediate radical Caldwell‑Luc surgery

1.       Sudden noise or “crack” during luxation

2.       Movement of the adjacent teeth and bone as one unit

3.       Bleeding from the nose (epistaxis)

4.       Tear in the palatal or buccal mucosa

5.       Sudden improvement in patient’s hearing

1.       Recent myocardial infarction (within 6 months)

2.       Uncontrolled diabetes mellitus

3.       High‑dose IV bisphosphonate therapy

4.       Active malignancy or radiotherapy to the site

5.       Patient age over 50

1.       Placing the patient in a Trendelenburg position

2.       Administering aromatic spirits of ammonia (smelling salts)

3.       Ensuring a clear airway and loosening tight clothing

4.       Monitoring vital signs

5.       Immediate administration of insulin

1.       Deviation of the mandible to the affected side on opening

2.       Premature contact of posterior teeth on the affected side

3.       Anterior open bite in bilateral fractures

4.       Bleeding from the external auditory meatus

5.       Expansion of the maxillary tuberosity

1.       Binding to specific receptors on sodium channels

2.       Preventing depolarization of the nerve membrane

3.       Blocking the conduction of nerve impulses

4.       Increasing the threshold for electrical excitability

5.       Accelerating the repolarization phase

1.       Bite on gauze for 30‑45 minutes to achieve hemostasis

2.       Avoid spitting or using a straw for 24 hours

3.       Apply cold packs to the face for the first 24 hours

4.       Consume soft, cool foods and liquids

5.       Rinse vigorously with alcohol‑based mouthwash in the first hour