Dr Umar Munir

02/08/2025

Why Toothache Gets Worse at Night — The Real Reason Behind It.

Many people notice their toothache feels more intense when they lie down — especially at night. It’s not psychological. It’s biological.

When you lie flat, gravity shifts blood flow toward your head. This increases blood volume around the infected tooth, raising internal pressure in the pulp chamber — a closed space that can't expand.
The result? Throbbing, pulsing pain that worsens even if you’re resting.

In cases of irreversible pulpitis or deep decay, the inflamed nerve tissue reacts more aggressively when the body is in a horizontal position. Add to that the lack of distractions at night, and the pain feels magnified.

If your tooth hurts more when lying down, it's a red flag that the pulp may be severely inflamed or infected — and likely needs immediate dental treatment such as root canal therapy.
Delaying may lead to abscess, bone infection, or facial swelling.
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This post is for public awareness. It does not replace professional dental advice. If you notice any symptoms—pain, swelling, sensitivity—please consult your dentist promptly.

01/08/2025

The longer you delay, the more you pay. ⏰💸

31/07/2025

Internal root resorption is a rare but clinically significant condition characterized by the progressive loss of intraradicular dentin due to clastic activity originating within the pulp space. It usually results from chronic pulpal inflammation—often following trauma, caries, or extensive restorative procedures. Radiographically, it presents as a well-defined, round to oval radiolucency centered within the root canal, typically symmetrical and continuous with the canal walls. Unlike external resorption, the outer root surface remains intact in early stages.

The pathogenesis involves activation of odontoclasts in response to inflamed vital pulp tissue, particularly when necrosis is partial and the coronal portion remains infected while the apical pulp stays vital. This creates a permissive environment for resorptive activity, often progressing silently unless it reaches the external surface or perforates the root.

Clinically, internal resorption is usually asymptomatic and diagnosed incidentally on radiographs, but it may present with a "pink spot" in advanced coronal cases due to granulation tissue. Early diagnosis is critical. Once identified, immediate endodontic therapy is indicated to remove the vital inflamed pulp and arrest further destruction. Thermoplasticized obturation techniques are often required due to the irregular canal shape.

Internal root resorption is irreversible, but its progression can be completely halted with timely and appropriate intervention. Advanced or perforated cases may require surgical management or extraction, emphasizing the importance of regular radiographic follow-up in high-risk teeth.

30/07/2025

Why a tooth with deep caries hurts so badly?

When a cavity goes deep into the tooth, the pain it causes is not just due to damage — it’s because the decay reaches the tooth’s nerve center, known as the dental pulp. This inner core contains blood vessels and sensitive nerve fibers that are directly connected to the brain.

As bacteria from the cavity invade the pulp, they trigger inflammation. But since the pulp is trapped inside a hard tooth structure, the swelling has nowhere to go. This builds pressure inside the tooth, causing the nerves to become compressed and irritated — leading to sharp, throbbing, or lingering pain.

The pain signal travels through the trigeminal nerve — the main nerve that connects your face, jaw, and teeth to the brain. Once this signal reaches the brainstem and sensory centers, it’s processed as severe tooth pain. This is also why pain from a single tooth can sometimes feel like it’s spreading to the jaw, ear, or head.

There are two main types of nerve fibers inside the pulp. The fast-acting A-delta fibers cause sharp, quick pain — like a shock from cold water. The slower C-fibers create a deeper, more constant ache — like a dull throb that doesn’t go away. When both are activated due to deep decay or infection, the pain becomes intense and difficult to manage.

This level of toothache usually means the pulp is infected or dying. At this point, a filling is no longer enough. The tooth may require root canal treatment to remove the damaged nerve and prevent further complications.

Understanding this connection between deep cavities, nerves, and the brain helps explain why dental pain can be so intense — and why early treatment is critical.

🦷 For patient awareness | share to educate🦷

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