Morning Breath: Why you may have bad breath when you wake up. 

Overnight, you have reduced saliva flow in your mouth. This allows bacteria to multiply faster [...]

The Five Different Types of Bad Breath according to the latest research by Aydin.

Type 1 (oral halitosis) also termed oral malodor:  Originates from the oral cavity due to [...]

Type 5 Subjective halitosis (bad breath) according to Aydin. A complaint of bad breath without objective evidence.

This can be caused by psychological factors, like obsessive compulsive disorder.  It may cause one [...]

Type 4 Blood-borne halitosis (bad breath) according to Aydin. Source of odor is chemicals in the bloodstream that transfer to the lungs and then are exhaled.

This is caused by volatile chemicals in the circulation that transfer to the lungs during [...]

Type 3 Halitosis (Gastroesophageal) based on Aydin 2014). Source of odor is gas leakage from the stomach. 

From the desk of Bassel Paul Gebrael DDS, Dip. Perio, FRCD(C), FICD Type 3 halitosis [...]

Type 2 Airway Halitosis ( based on Aydin 2014). Source of odor is respiratory tract including sinus and tonsils

From the desk of Bassel Paul Gebrael DDS, Dip. Perio, FRCD(C), FICD Type 2 bad [...]

Type 1 : Oral halitosis is also called oral malodor and is commonly termed “bad breath”

From the desk of Bassel Paul Gebrael DDS, Dip. Perio, FRCD(C), FICD Bad breath affects [...]

How to measure bad breath at home.

Simple portable devices that measure Hydrogen Sulfide gas are available at Walmart or Amazon. Bad [...]

How to manage bad breath that won’t go away.

a) Use a tongue scraper to reduce malodorous coating on the tongue and floss or [...]

Morning breath? The types of bad breath explained

The gases that come out of the mouth that cause bad breath are volatile sulfur [...]