Whitening treatments in which teeth are coated in a high-strength bleaching gel and then put under an ultraviolet or visible light for three 15- to 20-minute sessions are said to be the fastest method of tooth whitening.
Gear lapping is an economically applicable method of tooth surface finishing for hardened spiral bevel and hypoid gears.
The method of tooth position measurement proposed by Huanca [16], on the other hand, is based on the occlusal plane as a point of reference.
The purpose (removing plaque thoroughly from all tooth surfaces and cervical areas of teeth to prevent gingivitis) and the systematic method of tooth cleaning was explained and demonstrated using a tooth brush and a model of teeth.
The size and gaps of the teeth are tapered in this method of design.
But now that we know this method of sexual reproduction evolved in tandem with jaws and teeth, it's perhaps worth considering that this is no accident.
The unavoidable tooth-profile undercutting of the gears with small number of teeth is examined by using the developed mathematical model and the conventional method of tooth-profile shifting.
The bearing ratio may be understood as immediately reflecting the position of the attrition abrasion equilibrium, and thus bridging the two major methods of tooth based dietary evaluation, the microwear- and the mesowear method.
The subjects were interviewed and data were collected on sociodemographic variables, i.e., age, gender, occupation, education, and ethnicity; lifestyle; i.e., a history of betel quid chewing and smoking (including the number of units consumed per day), the duration of the habit (years), and the additives consumed and oral hygiene practices, i.e., frequency and methods of tooth brushing.
Three years ago, researchers used this method on the teeth of one of the earliest known hominins, the 4.4-million-year-old Ardipithecus ramidus.
