Dental Implants. A dental implant is an artificial tooth root that is placed into your jaw to hold a replacement tooth or bridge. Dental implants may be an option for people who have lost a tooth or teeth due to periodontal disease, an injury, or some other reason. Endosteal (in the bone): This is the most commonly used type of implant.
Lamellar structure. A schematic of a lamellar structure for a eutectic system. Lamellar structures or microstructures are composed of fine, alternating layers of different materials in the form of lamellae. They are often observed in cases where a phase transformation front moves quickly, leaving behind two solid products, as in rapid cooling of eutectic (such as solder) or eutectoid (such as pearlite) systems.
The vihuela is a five-string instrument similar to a small guitar or large ukulele; it comes from the lute and guitar family of instruments. It is part of the rhythm section of a mariachi band and is used to play the harmony or, put more simply, the chords and backing of a song (as opposed to the melody).