The recommendation for biannual (every six months) dental visits became widely accepted and promoted in the community primarily in the 20th century, but its origins can be traced back earlier. This development was influenced by a growing understanding of preventive dentistry and the importance of regular dental care in maintaining oral health.

The invention and development of braces, or orthodontic devices, to correct misaligned teeth and jaws, has a long history that spans several centuries.
Braces are orthodontic devices used to straighten and align teeth, often consisting of brackets, wires, and bands that apply gentle pressure to gradually shift the teeth into the desired position.

Dark chocolate, when consumed in moderation, can have some benefits for both dental and overall health, primarily due to its cocoa content. It's important to differentiate between dark chocolate, which is rich in cocoa, and milk or white chocolate, which have higher sugar and milk contents and fewer cocoa solids