Search results
Results from the WOW.Com Content Network
Dental intrusion is an apical displacement of the tooth into the alveolar bone. This injury is accompanied by extensive damage to periodontal ligament , cementum , disruption of the neurovascular supply to the pulp, and communication or fracture of the alveolar socket.
Dental avulsion is a type of dental trauma, and the prevalence of dental trauma is estimated at 17.5% and varies with geographical area. [36] Although dental trauma is relatively low, dental avulsion is the fourth most prevalent type of dental trauma. [37] Dental avulsion is more prevalent in males than females.
The incidence of traumatic dental injuries is 1–3%, and the prevalence is steady at 20–30%." [49] Almost 30% of the children in pre-school have mostly experienced trauma to primary teeth. Dental injuries involving the permanent teeth happen to almost 25% of children in school and 30% of adults.
Occlusal trauma; Secondary occlusal trauma on X-ray film displays two lone-standing mandibular teeth, the lower left first premolar and canine. As the remnants of a once full complement of 16 lower teeth, these two teeth have been alone in opposing the forces associated with mastication for some time, as can be evidenced by the widened PDL surrounding the premolar.
Dental needle-nose pliers designed by Fauchard in the late 17th century to use in prosthodontics. The first book focused solely on dentistry was the "Artzney Buchlein" in 1530, [48] and the first dental textbook written in English was called "Operator for the Teeth" by Charles Allen in 1685. [23]
Dental trauma is a major global health issue and it affects 17.5% of children and adolescents. [9] It is most commonly seen in school children. Dental subluxation is one of the most common traumatic injuries in primary dentition. Maxillary central incisors are the most commonly affected teeth.
Dental trauma refers to an injury on hard and soft tissues of the oral cavity and face. This includes the teeth and surrounding tissues, the periodontium, tongue, lips and cheeks. It is more prevalent with children between 8– 12 years of age but can still happen to anyone. The prognosis of the tooth is worse the longer it is out of the mouth. [5]
The Merck Manual of Geriatrics was introduced in 1990, focusing on health care for older patients. The Merck Manual of Health & Aging is a consumer edition. The Manuals for human health were converted to a web-based format in 2015 and are hosted on MerckManuals.com in the US and Canada, and MSDManuals.com throughout the rest of the world.