Bacterial buildup

Gum Disease and Alzheimer’s: Scientists Study the Oral–Brain Connection

Researchers have discovered that Porphyromonas gingivalis, a bacterium strongly linked to periodontal (gum) disease, has been found in the brains of some people who died with Alzheimer’s disease.

Key findings from studies:

• P. gingivalis DNA detected in Alzheimer’s brain tissue
• The bacterium produces gingipains, toxic enzymes that damage cells
• Gingipains can affect brain proteins linked to Alzheimer’s, including:

  • Amyloid beta plaques

Lower Teeth Braces Case Analysis and Orthodontic Progress

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Dental Case Analysis: Lower Teeth with Orthodontic Braces

Case Overview

The image shows the lower dental arch fitted with fixed orthodontic braces (metal brackets and archwire). Teeth are in active alignment phase, with visible crowding correction in progress.


Zoom 100% Visual Examination (Lower Arch)

Observed Findings

  • Fixed metal brackets bonded on all lower anterior and posterior teeth

  • Archwire in place with elastic ligatures

Oral Bacterial Build-Up With Tongue Coating – Dental Case Analysis

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Teeth Problems: 

Dental Case Analysis – Oral Bacterial Build-Up With Tongue Coating

Case Overview

This clinical image shows significant bacterial accumulation on the tongue surface, with a visible white coating across the dorsal tongue. The teeth appear generally intact, but oral hygiene indicators suggest an imbalance in oral microbiota, which can affect breath, gum health, and overall oral condition.


Scale All Teeth

  • Upper and lower anterior teeth visible

Severe Tooth Decay With Gum Infection - Dental Case Analysis

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Dental Case Analysis – Severe Tooth Decay With Localized Gum Infection

Case Overview

This intra-oral image shows a tooth with advanced decay and an associated localized gum swelling above the affected tooth. The appearance suggests an active dental infection likely originating from deep caries that has reached the pulp and spread toward the surrounding soft tissue.


Full Analysis and Diagnosis

Clinical Findings

  • Deep cavity with visible tooth structure breakdown

Expert Dental Guide: What Does Dark Discoloration on a Lower Molar Mean

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When a Dark Lower Molar Becomes a Serious Dental Problem: An Expert Case Story

A Short, Dynamic Dental Case Story

“Doctor, my back tooth has turned black. Now part of it is breaking apart, and I have a bad taste in my mouth.”

A patient arrived at a dental clinic worried about a dark, damaged lower molar. At first, the tooth appeared to have discoloration. On closer examination, the dentist considered several possible causes, including deep tooth decay, plaque and tartar buildup, and damage to the surrounding gum tissue.

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