Turner's hypoplasia

The Turner's tooth is named after the first describer the English dentist JG Turner ( 1912) - named Turner's tooth ( hypoplasia ). There is a malformed permanent tooth with enamel hypoplasia, a malformed crown and / or root especially the incisors and premolars. Through an apical or intrafurkale deciduous teeth periodontal disease can cause damage to the replacement tooth germ.

Etiology

The cause is usually an ulcerated primary tooth, which has been damaged by decay or trauma. Was formed following an infection that has led to the malformation of the tooth after the infection has damaged the tooth and the tooth germ development by faulty ran. In about a quarter of the cases in which pus caused to the primary tooth root, it comes to Turner's tooth.

Due to the infectious - inflammatory process on the milk tooth a tooth germ damage for the resolution of the osseous lamella surrounding the developing tooth germ, possible. The tooth germ can indirectly be damaged by the pressure resulting from the formation of edema or directly by the osteolytic process.

Differential Diagnosis

• Amelogenesis imperfecta
• Molar - incisor - Hypo mineralization
• Dental fluorosis
• Regional odontodysplasia
• Tetracycline teeth
• Dilaceration

Prevention

To avoid tooth germ damage that can lead to Turner's tooth, endodontic treatment, or alternatively, an extraction of the primary tooth is to be made in good time.

Symptoms

Clinically, there are limited white to brownish opaque bodies and hypoplasia with defect formation. The defects can result from melting and Dentindefekten to abnormalities of the anatomical crown molding.

Therapy

These malformations can usually be corrected by tooth structures made ​​of composite. For more severe cases, a crowning of the tooth comes into consideration.