Turn that frown upside down -- healthy gums are something to smile about

March 31, 2008

A smile is one of the most universally recognizable facial expressions, helping to depict an individual’s happiness, confidence, attractiveness, sociability and sincerity. And now, according to a recent study published in the Journal of Periodontology (JOP), the official publication of the American Academy of Periodontology (AAP), a smile may also help convey healthy teeth and gums. Researchers found evidence that periodontal, or gum, disease may negatively affect an individual’s smiling patterns and deter someone from displaying positive emotions through a smile.

The study, conducted at the University of Michigan, evaluated the smiling patterns of 21 periodontal patients while viewing a segment of a comedy program. At predetermined measurement points throughout the segment, the researchers assessed three dimensions of the patients’ smile: the horizontal width of the mouth in millimeters, the open width of the mouth in millimeters, and the number of teeth shown.

In addition, the researchers also noted the number of times the patient covered his or her mouth while watching the segment. Individual perceptions of how the patient’s quality of life is affected by oral health were also considered. The data were then evaluated along with a clinical exam of the patient’s periodontal health.

“Since periodontal disease is prevalent in such a large number of adults, we sought to investigate if the disease affects a person’s smiling behavior,” said study author Dr. Marita R. Inglehart. “Smiling plays a significant and essential role in overall well-being. Previous findings suggest that smiling can affect social interactions, self-confidence and can influence how people perceive one another.”

The study findings indicated that periodontal disease can certainly impact how a person smiles. The more symptoms of gum disease found in a patient’s mouth, such as periodontal pockets between four to six millimeters deep or loose, moving teeth, the more likely the patient was to cover his or her mouth when smiling or to limit how widely the mouth opened during the smile. In addition, the more gum recession seen in the patient, the fewer teeth he or she showed when smiling. The way patients perceived their quality of life as a result of their oral health was also significantly correlated with the number of teeth affected by periodontal disease.

“It is already widely known that periodontal disease is connected to systemic health,” said Dr. Susan Karabin, President of the AAP. “These results help demonstrate that periodontal disease may affect more than just overall health. It can also impact actual quality of life, making caring for one’s teeth and gums all the more important.”

Source: American Academy of Periodontology


print this article email this article download pdf blog this article bookmark this article     Stumble it Digg this share on Facebook retweet share on Reddit add to delicious
Rate this story - 4 /5 (2 votes)

Rank Filter

Move the slider to adjust rank threshold, so that you can hide some of the comments.


Display comments: newest first

  • nilbud - Jul 10, 2008
    • Rank: not rated yet
    Smiling is directly related to stupidity.

March 31, 2008 all stories

Comments: 1

4 /5 (2 votes)
  • Stumble this up

  • Digg this

  • share this

  • hide
  • Related Stories




  • hide
  • Relevant PhysicsForums posts

Other News

Overeating can set stage for obesity, researchers say

Medicine & Health / Health

created 7 hours ago | popularity not rated yet | comments 1

It doesn't seem like a fair fight. In one corner loomed the Thanksgiving table, groaning with poultry, pie and mashed potatoes.


eye

Over-the-counter eye drops raise concern over antibiotic resistance

Medicine & Health / Medications

created 14 hours ago | popularity 3.5 / 5 (2) | comments 1

(PhysOrg.com) -- The use of antibiotic eye drops for conjunctivitis has increased by almost half since they became available over the counter at chemists in 2005, data obtained by Oxford University researchers ...


New tools for prediction of disease progression in acute childhood leukemia

Medicine & Health / Cancer

created 8 hours ago | popularity not rated yet | comments 0

(PhysOrg.com) -- Researchers at Uppsala University and University Children’s Hospital in Uppsala have devised powerful new tools for typing cells from children with acute lymphatic leukemia and for prediction of how children ...


What a grind: Bruxism at night likely a sign of stress by day

Medicine & Health / Health

created 2 hours ago | popularity 5 / 5 (1) | comments 0

You can practically track Steve Barkley's stress by the level of activity in his temporomandibular joint, or TMJ, the hinge joint that connects the lower jaw to the temporal bone of the skull and helps one chew, talk and ...


Nuclear science to fight sleeping sickness

Medicine & Health / Diseases

created 11 hours ago | popularity not rated yet | comments 0

The International Atomic Energy Agency on Friday announced an agreement to help African nations battle the tsetse fly, the main carrier of parasites that causes sleeping sickness with its bites.