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A 9-month-old infant with a visible right lower central incisor. Teething is the process by which an infant 's first teeth (the deciduous teeth, often called "baby teeth" or "milk teeth") appear by emerging through the gums, typically arriving in pairs. The mandibular central incisors are the first primary teeth to erupt, usually between 6 and ...
Tongue thrust. Tongue thrust, also called reverse swallow or immature swallow, is a pseudo-pathological name for an adaptive lip seal mechanism, whereby normal nasal breathing or normal swallowing can occur. Tongue thrust can also be seen as an oral myofunctional disorder, a tongue muscle pattern that is perceived as clinically abnormal, in ...
Frequency. As outbreaks [ 1] Hand, foot, and mouth disease ( HFMD) is a common infection caused by a group of enteroviruses. [ 10] It typically begins with a fever and feeling generally unwell. [ 10] This is followed a day or two later by flat discolored spots or bumps that may blister, on the hands, feet and mouth and occasionally buttocks and ...
The trophi, or mouthparts of a locust, a typical chewing insect: 1 Labrum. 2 Mandibles; 3 Maxillae. 4 Labium. 5 Hypopharynx. Examples of chewing insects include dragonflies, grasshoppers and beetles. Some insects do not have chewing mouthparts as adults but chew solid food in their larval phase.
Dental floss (waxed) Levi Spear Parmly (1790-1859), [7] a dentist from New Orleans, is credited with inventing the first form of dental floss. [8] In 1819, he recommended running a waxen silk thread "through the interstices of the teeth, between their necks and the arches of the gum, to dislodge that irritating matter which no brush can remove and which is the real source of disease."
Tooth eruption is a process in tooth development in which the teeth enter the mouth and become visible. It is currently believed that the periodontal ligament plays an important role in tooth eruption. The first human teeth to appear, the deciduous (primary) teeth (also known as baby or milk teeth), erupt into the mouth from around 6 months ...
Specialty. Dentistry. Pericoronitis is inflammation of the soft tissues surrounding the crown of a partially erupted tooth, [ 1] including the gingiva (gums) and the dental follicle. [ 2] The soft tissue covering a partially erupted tooth is known as an operculum, an area which can be difficult to access with normal oral hygiene methods.
Acid erosion is a type of tooth wear. It is defined as the irreversible loss of tooth structure due to chemical dissolution by acids not of bacterial origin. [ 1] Dental erosion is the most common chronic condition of children ages 5–17, [ 2] although it is only relatively recently that it has been recognised as a dental health problem. [ 3]