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Fluorosis does not cause discolouration to the enamel directly, as upon eruption into the mouth, affected permanent teeth are not discoloured yet. In dental enamel, fluorosis causes subsurface porosity or hypomineralizations , which extend toward the dentinal-enamel junction as the condition progresses and the affected teeth become more ...
Tongue thrusting is a type of orofacial myofunctional disorder, which is defined as habitual resting or thrusting the tongue forward and/or sideways against or between the teeth while swallowing, chewing, resting, or speaking. Abnormal swallowing patterns push the upper teeth forward and away from the upper alveolar processes and cause open bites.
Non-eruption of non-ankylosed teeth occurs due to an eruption mechanism that has failed leading to a posterior unilateral/bilateral open bite. [28] Infra occlusion is the primary hallmark of PFE. Primary teeth are most commonly affected and normally all teeth distal to the most mesially affected tooth will show characteristics of this disease.
“It sounds like bones rattling,” a very macabre TikTok user wrote.“WHY DOES IT SCARE ME,” a third, terrified viewer said.If you feel repulsed or strange listening to that, it’s likely a ...
Permanent teeth or adult teeth are the second set of teeth formed in diphyodont mammals.In humans and old world simians, there are thirty-two permanent teeth, consisting of six maxillary and six mandibular molars, four maxillary and four mandibular premolars, two maxillary and two mandibular canines, four maxillary and four mandibular incisors.
Teeth have a thin enamel layer on the outer surface. The enamel layer is whiter and semitransparent, and contributes blue, pink green tints to the tooth color. [ 6 ] The underlying dentin layer is darker than enamel, yellow-brown in color, and less transparent. [ 6 ]
Bruxism is the para-functional movement of the mandible, occurring during the day or night. It can be associated with presence of audible sound when clenching or grinding the teeth. This is usually reported by parents or partners if the grinding occurs during sleep. In some cases, dental erosion is also associated with severe dental attrition ...
Xylitol is a sugar alcohol which provides the sensation of tasting sweetness in foods, particularly chewing gum, without providing sucrose which is the only sugar that S.mutans are capable of using to produce the polyacrylamide adhesive which allows them to bind to the teeth. Xylitol does not actively reduce or harm the presence or capacities ...