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 ?
Long-term stability of dental arch form in Norman occlusion from 13 to 31 years of age.
Dental arch depth and width studied longitudinally from 12 years of age to adulthood.
Plaster casts of the dental arches play a key role in orthodontic diagnosis since.
The isolated Swiss had fine dental arches and beautiful, straight teeth, and the number of teeth affected by cavities was between one and two percent.
The range of measurements for dental width obtained from the dental cast were ranged from 5.29 to 10.69 mm, and measurements for dental arch dimensions obtained from the dental cast were ranged from 25.79 to 50.21 mm.
An interchange in the position of two adjacent teeth in the same quadrant of the dental arch is referred to by the term transposition.
The gender, dentition type (mixed or permanent), superior lip form (short or normal), dental arch form (ovoid or square), and respiratory type (nasal or mouth) of patients were also evaluated by two investigators.
Both types of injection were performed by the same pediatric dentist on each patient in two separate appointments, on a side of the dental arch with the use of a Computer Delivery System (the Wand STA system) and on the other side with the traditional syringe.
Caption: Figure 5: (a) The assembly solid models of stone cast of dental arch and left site surgical template; (b) the surgical template (left site) was fabricated using a 3DP printer with 0.254 mm slicing additive manufacturing and wore on the stone cast.
HYPERION X9 is a modular concept, offering every possible option, from two-dimensional panoramic imaging, to cephalo- metric analysis, down to cone-beam three-dimensional tomography, including capability of carrying out full dental arch volumetric scans.
Teeth can appear in any area of the dental arch and can affect any dental organ.
Dimensional changes of the deciduos dental arch class I with crowding, using direct planas tracks.