inner end (of tooth)
1Tooth brushing — is the act of cleaning teeth with a toothbrush.Modern medical research has shown that brushing teeth properly can prevent cavities, gingivitis, and periodontal, or gum disease, which causes at least one third of adult tooth loss. If teeth are not …
2Tooth development — Radiograph of lower right (from left to right) third, second, and first molars in different stages of development. Tooth development or odontogenesis is the complex process by which teeth form from embryonic cells, grow, and erupt into the mouth …
3tooth — toothlike, adj. /toohth/, n., pl. teeth, v., toothed /toohtht, toohdhd/, toothing /tooh thing, dhing/. n. 1. (in most vertebrates) one of the hard bodies or processes usually attached in a row to each jaw, serving for the prehension and… …
4Jaw tooth — Jaw Jaw (j[add]), n. [A modification of chaw, formed under the influence of F. joue the cheek. See {Chaw}, {Chew}.] [1913 Webster] 1. (Anat.) (a) One of the bones, usually bearing teeth, which form the framework of the mouth. (b) Hence, also, the …
5Egg tooth — In some egg laying animals, the egg tooth is a small, sharp, cranial protuberance used by offspring to break or tear through the egg s surface during hatching. It is present in most birds and reptiles, and similar structures exist in monotremes,… …
6pharyngeal tooth count — pharyngeal tooth counts (of Cyprinidae) are presented in a formula from the outer to the inner rows of the left arch, then the inner to the outer rows of the right arch, e.g. 2,5 4,2 means 2 teeth in the outer and 5 teeth in the inner row of the… …
7pharyngeal tooth formula — pharyngeal tooth counts (of Cyprinidae) are presented in a formula from the outer to the inner rows of the left arch, then the inner to the outer rows of the right arch, e.g. 2,5 4,2 means 2 teeth in the outer and 5 teeth in the inner row of the… …
8reptile — reptilelike, adj. reptiloid /rep tl oyd /, adj. /rep til, tuyl/, n. 1. any cold blooded vertebrate of the class Reptilia, comprising the turtles, snakes, lizards, crocodilians, amphisbaenians, tuatara, and various extinct members including the… …
9List of gear nomenclature — Gears have a wide range of unique terminology known as gear nomenclature. Many of the terms defined cite the same reference work.[1] Contents 1 Addendum 2 Addendum angle 3 Addendum circle …
10ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like …
