ARCH

(redirected from dental arch)
Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.

ARCH

Autoregressive Conditional Heteroskedasticity

A statistical measure of the average error between a best fit line and actual data that uses past data to predict future performance. General Autoaggressive Conditional Heteroskedasticity is the most common way of doing this. See also: Fractal Distribution.
References in periodicals archive ?
A longitudinal study of the growth and development of the dental arch width from childhood to adolescence in Japanese.
The dimensions of the dental arch are related to individuals and to evolutionary factors such as an increase in intercondylar distance of the cranial base.
Dental arch = upper front transverse diameter + upper posterior transverse diameter + lower front transverse diameter + lower posterior transverse diameter facial + facial index.
DNS forwards formation of DMA, because of anatomo-topographical connections of the nose and dental arch, and also disturbance of harmony in growth of rhinomaxillary complex.
Spire Biomedical, a wholly-owned subsidiary of Spire Corporation (Nasdaq:SPIR) and a provider of surface treatment services for implantable medical devices, announced on Tuesday that the National Institutes of Health (NIH), National Institute of Dental and Craniofacial Research (NIDCR), has awarded Spire a nine-month Small Business Innovation Research (SBIR) Phase I Grant of USD114,173, to develop coatings for dental arch wires used in orthodontics.
The flowable nature of the biomaterial promises to allow the surgeon to reconstruct bone defects through minimally invasive surgical procedures, manipulating the biomaterial as it sets into the proper shape and orientation to the opposing dental arch.
Kamashita et al3 conducted a study using waxed dental rims at different angles, representing anterior dental arch.
Upper GI endoscopy reports: Easy passage through the cricopharyngeal and immediately beneath, a grand polypoid lesion is observed (12 cm long x 2 cm in diameter), which extends to 32 cm of the dental arch.
However, the dental arch shape does not differ significantly from age- and sex-matched children without Down syndrome.