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Evaluation of the Effect of the Closed-eruption Technique on Impacted Immature Maxillary Incisors. 2015

Xiang Ru Shi, and Zhe Hu, and Xiao Zhe Wang, and Xiang Yu Sun, and Chen Ying Zhang, and Yan Si, and Shu Guo Zheng

OBJECTIVE To investigate the effects of the closed-eruption technique on impacted immature maxillary incisors. METHODS The contour and position of the gingival margin, root development, and pulp status were evaluated in 50 impacted immature maxillary incisors immediately after treatment and 2 years later. RESULTS Chronic periapical periodontitis and trauma of the primary teeth were the main causes of impacted immature maxillary incisors. The average treatment time was 11 months. After treatment, the contour of the impacted incisor gingival margin, which had already erupted, conformed with the contralateral incisors; the gingival margin positions of 34 (68%) impacted incisors were the same as those of the contralateral incisors but the other 16 (32%) were more apical. All roots developed normally; pulp vitality was normal and conformed with the contralateral incisor change into a period. Three (6%) impacted incisors were slightly labially inclined because the dilacerated part of their roots was too long. CONCLUSIONS The closed-eruption technique is an effective method of treating impacted immature maxillary incisors.

UI MeSH Term Description Entries
D007180 Incisor Any of the eight frontal teeth (four maxillary and four mandibular) having a sharp incisal edge for cutting food and a single root, which occurs in man both as a deciduous and a permanent tooth. (Jablonski, Dictionary of Dentistry, 1992, p820) Incisors
D008297 Male Males
D008437 Maxilla One of a pair of irregularly shaped bones that form the upper jaw. A maxillary bone provides tooth sockets for the superior teeth, forms part of the ORBIT, and contains the MAXILLARY SINUS. Maxillae,Maxillary Bone,Bone, Maxillary,Bones, Maxillary,Maxillary Bones,Maxillas
D009805 Odontogenesis The process of TOOTH formation. It is divided into several stages including: the dental lamina stage, the bud stage, the cap stage, and the bell stage. Odontogenesis includes the production of tooth enamel (AMELOGENESIS), dentin (DENTINOGENESIS), and dental cementum (CEMENTOGENESIS). Odontogeneses
D010485 Periapical Periodontitis Inflammation of the PERIAPICAL TISSUE. It includes general, unspecified, or acute nonsuppurative inflammation. Chronic nonsuppurative inflammation is PERIAPICAL GRANULOMA. Suppurative inflammation is PERIAPICAL ABSCESS. Periodontitis, Acute Nonsuppurative,Periodontitis, Apical,Acute Nonsuppurative Periodontitides,Acute Nonsuppurative Periodontitis,Apical Periodontitides,Apical Periodontitis,Nonsuppurative Periodontitides, Acute,Nonsuppurative Periodontitis, Acute,Periapical Periodontitides,Periodontitides, Acute Nonsuppurative,Periodontitides, Apical,Periodontitides, Periapical,Periodontitis, Periapical
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D003791 Dental Pulp Test A diagnostic aid used in evaluating the physical health of teeth. It involves using a tool that transmits hot or cold temperatures, or electric currents to a tooth's surface. The sensitivity to hot or cold or to the currents on a tooth can determine if there are problems with that tooth. Dental Pulp Sensibility Test,Dental Pulp Vitality Test,Electric Pulp Test,Endo-Ice Test,Thermal Pulp Test,Dental Pulp Tests,Pulp Test, Dental,Pulp Tests, Dental,Test, Dental Pulp,Tests, Dental Pulp,Electric Pulp Tests,Endo Ice Test,Endo-Ice Tests,Pulp Test, Electric,Pulp Test, Thermal,Pulp Tests, Electric,Pulp Tests, Thermal,Test, Electric Pulp,Test, Endo-Ice,Test, Thermal Pulp,Tests, Electric Pulp,Tests, Endo-Ice,Tests, Thermal Pulp,Thermal Pulp Tests
D005260 Female Females
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D005881 Gingiva Oral tissue surrounding and attached to TEETH. Gums,Interdental Papilla,Papilla, Interdental,Gum

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