Vending of<unk>  in Marrakesh (Morocco). Removable partial<unk>  Removable partial<unk>  are for patients who are missing some of their teeth on a particular arch. Fixed partial<unk> , also known as "crown and bridge"<unk> , are made from crowns that are fitted on the remaining teeth. They act as abutments and pontics and are made from materials resembling the missing teeth. Fixed bridges are more expensive than removable appliances but are more stable. Another option in this category is the flexible partial, which takes advantage of innovations in digital technology. Flexible partial fabrication involves only non-invasive procedures.<unk>  can be difficult to clean and can affect oral hygiene. Complete<unk>  Complete<unk>  are worn by patients who are missing all of the teeth in a single arch—i.e., the maxillary (upper) or mandibular (lower) arch—or, more commonly, in both arches. The full<unk> is removable because it is held in place by suction. They are painful at first and can take some time to get used to. There are two types of full<unk> : immediate<unk>  and conventional<unk> . Copy<unk>  Can be made for either partial, but mainly complete<unk> patients. These<unk>  require fewer visits to make and usually are made for older patients, patients who would have difficulty adjusting to new<unk> , would like a spare pair of<unk>  or like the aesthetics of their<unk>  already. This requires taking an impression of the patients current<unk> and remaking them. Materials<unk>  are mainly made from acrylic due to the ease of material manipulation and likeness to intra-oral tissues, i.e. gums. Most<unk>  made are fabricated from heat-cured acrylic polymethyl methacrylate and rubber-reinforced polymethyl methacrylate. Coloring agents and synthetic fibers are added to obtain the tissue-like shade, and to mimic the small capillaries of the oral mucosa, respectively. However,<unk>  made from acrylic can be fragile and fracture easily if the patient has trouble adapting neuromuscular control. This can be overcome by reinforcing the<unk> base with cobalt chromium (Co-Cr). They are often thinner (therefore more comfortable) and stronger (to prevent repeating fractures).
Dentures
Binaural fusion
Nail disease
Overbite
Railway spine
Metal corset
Pulp canal obliteration
Celacade