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A diastema (pl.: diastemata, from Greek διάστημα, 'space') is a space or gap between two teeth. Many species of mammals have diastemata as a normal feature, most commonly between the incisors and molars .
The extraction of the deciduous canine may encourage the ectopic permanent canine to erupt. This interceptive treatment is recommended for children aged 10–13 with normal physiological spacing. This is supported by the Royal College of Surgeons England (RCS Eng) guidelines; based primarily on 2 studies: A case series, with no control group [20]
Post-canine megadontia is a relative enlargement of the molars and premolars compared to the size of the incisors and canines. This phenomenon is seen in some early hominid ancestors such as Paranthropus aethiopicus .
In children with cleft lip and palate, the lateral incisor in the alveolar cleft region has the highest prevalence of dental developmental disorders; [74] this condition may be a cause of tooth crowding. [75] This is important to consider in order to correctly plan treatment keeping in mind considerations for function and aesthetics.
Canidae is a family of mammals in the order Carnivora, which includes domestic dogs, wolves, coyotes, foxes, jackals, dingoes, and many other extant and extinct dog-like mammals. A member of this family is called a canid; all extant species are a part of a single subfamily, Caninae, and are called canines. They are found on all continents ...
Hominid species that lived 3.9 to 2.9 million years ago. Compared to modern apes, A. afarensis and A. africanus have much smaller molars and canines, but they are still larger than those of humans’. [7] The smaller molars have been attributed to consuming seeds. [8] The jaws of both A. afarensis and A. africanus are very much prognathic. [9]
Canine space infections may occur by spread of infection from the buccal space. [2] Signs and symptoms of a canine space abscess might include swelling that obliterates the nasolabial fold . If left untreated, infections of this space will eventually spontaneously drain via the medial or lateral canthus of the eye, as this is the path of least ...
Australopithecines have thirty-two teeth, like modern humans. Their molars were parallel, like those of great apes, and they had a slight pre-canine gap (diastema). Their canines were smaller, like modern humans, and with the teeth less interlocked than in previous hominins.