Sato-Technique The Sato Technique isn’t quite the correct term for the version of the MEAW Technique propagated by S. Sato from Japan. This Multiloop Edgewise Archwire Technique (in full string) was originally developed by Y.H. Kim in Korea. So in this case, the wrong author receives the credit.

Scissor Bite

Scissor Bite This refers to molars which do not fit together properly, i.e. the chewing surfaces of opposing teeth do not actually touch at all. See nonocclusion.


Sedation Pharmacological intervention for patients undergoing surgery

Segmented Arch Technique

Segmented Arch Technique This term refers to any kind of orthodontic treatment technique that uses fixed braces that have several wire segments instead of a single wire that encompasses all the teeth at once. This technique was first introduced by Charles Burstone in 1960. Some aspects of the Segmented Arch Technique have become quite widespread, […]

Self-ligating brackets

Self-ligating brackets Brackets with a special spring clip mechanism with which the archwire is held in the bracket. In common brackets the wires are merged by additional rubber or metal ligatures. It’s advantageous that the archwire change is conducted easily and fast and therefore reduces the treatment duration. Other given advantages about self-ligating brackets belong […]


Sigmatism The medical term for lisp/lisping

Single Brace

Active Plate (Single Brace): An Obsolete Orthodontic Appliance First introduced by Charles Nord in 1929 and later improved by A.M. Schwarz, this is a removable brace for just one jaw. It consists of a plastic body, wire fasteners and active components such as springs and screws. With active plates, as with removable appliances, only very […]

Space deficiency

Space deficiency A disharmony between the dental substance and the space in the jaw bone. It leads to dental crowding.

SPEED Bracket

SPEED Bracket This is a self-ligating bracket (part of the fixed brace) made by the Strite company in Canada. It is the oldest of all the self-ligating brackets on the market today and has been continuously improved. It is a so-called active self-ligating bracket which means that the locking clip slots into the bracket very […]


Splint Splint: a commonly used and misleading term for transparent, plastic, removable braces, covering the whole dental arch. There’re active splints for tooth movement, called aligners, (see there), retainers (transparent plastic strips), which are used to stabilize the position of the teeth following orthodontic treatment and occlusal splints (see there), used for the CMD-treatment.

Standard Edgewise Technique

Standard Edgewise Technique An obsolete technique for multibracket appliances which didn’t offer a proper adaption of the brackets to the different shapes of teeth. In consequence, orthodontists had to compensate this disadvantage by hundreds of manual manipulations of the archwires. When the expensive programmed bracket systems took over the Standard Edgewise Technique became obsolete. Nowadays, […]

Straight Wire Technique

Straight Wire Technique The Straight Wire Technique was a term for multibracket appliances with programmed brackets. The basic idea to forgo bending of the archwires because of the programmed brackets turned out to be false. Nevertheless, the programmed brackets have prevailed because of simplifying work in comparison to the former Standard Edgewise Brackets. But the […]


Subgingival Below the margin of the gums, in the gingival pocket


Sublingual Something being located under the tongue.


SUS The SUS is a fixed brace used for the treatment of overbite in the lower jaw. The letters SUS actually stand for’ Sabbagh Universal Spring’ as the device is named after its inventor A. Sabbagh. It consists of two telescopic attachments which are fixed to a bracket brace (MB-appliance) and, once inserted, it immediately […]