spread of infection Flashcards

1
Q

What is the principle of infection spread?

A

Infection tends to spread in the path of least resistance.

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2
Q

How can infection from the apex of upper teeth spread into the buccal space?

A

If it breaches the bone above the buccinator

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3
Q

How can infection from upper teeth spread palatally?

A

Usually from palatal roots, lateral incisor roots, forming a palatal abscess

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4
Q

How does an infection abscess draining into the oral cavity typically manifest?

A

It’s not very painful but produces a bad taste in the mouth

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5
Q

In which direction can infection spread into the maxillary sinus from upper teeth?

A

Upwards

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6
Q

What are the potential routes of infection spread from lower teeth?

A

Lingually (sublingual abscess)
Buccally (oral cavity or buccal space)

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7
Q

What happens when infection reaches muscle spaces in the oral region?

A

Muscles go into spasm, leading to severe trismus (difficulty opening the mouth).

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8
Q

What is the risk associated with infection in the lateral pharyngeal space?

A

Highly dangerous potential for further spread.

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9
Q

How can infection spread from the lateral pharyngeal space?

A

It can progress to the retropharyngeal space and prevertebral space

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10
Q

What serious complication can arise if infection reaches the mediastinum?

A

Cardiac tamponade

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11
Q

What rare complication can occur if infection spreads to the brain?

A

Cavernous sinus thrombosis

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12
Q

Where do infections from upper anterior teeth tend to spread?

A

To the lip, nasolabial region, or lower eyelid

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13
Q

To the lip, nasolabial region, or lower eyelid.

A

It may spread to the palate (less common)

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14
Q

What regions are susceptible to infection from upper premolars and molars?

A

Cheek, infra-temporal region, maxillary antrum (very rare), and palate (less common)

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15
Q

Where do infections from lower anteriors typically spread?

A

To the mental and submental space

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16
Q

Which spaces can be affected by infections from lower premolars and molars?

A

Buccal space, submasseteric space, sublingual space, submandibular space, and lateral pharyngeal space

17
Q

Is it common for infection to spread along lower tooth pathways from upper teeth?

A

It’s unusual but possible

18
Q

What is the primary goal of surgical management in dental infections?

A

To establish drainage; options include extirpating the pulp, tooth extraction, and antibiotics depending on the case

19
Q

What is the Hilton Technique used for in dental infections?

A

Allowing pus drainage using a two-ended instrument and temporary drains

20
Q

What is Ludwig’s Angina?

A

A bilateral cellulitis of the sublingual and submandibular spaces presenting with both intra- and extra-oral symptoms

21
Q

What systemic response occurs in patients with severe infections?

A

Increased heart rate, breathing rate, temperature, and white cell count, known as SIRS (Systemic Inflammatory Response Syndrome).

22
Q

Increased heart rate, breathing rate, temperature, and white cell count, known as SIRS (Systemic Inflammatory Response Syndrome).

A

It’s used in emergency medicine to assess patient deterioration based on various parameters like temperature, pulse, and blood pressure.

23
Q

What does ACVPU stand for, and what does it measure?

A

ACVPU stands for Alert, Confused, Responds to Verbal Commands, Responds to Pain, Completely Unresponsive. It measures a patient’s level of consciousness.