• Title/Summary/Keyword: Hypocalcified type

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Clinical management of amelogenesis imperfecta in primary dentition

  • Kim, Ga-Yeong
    • Journal of the Korean Academy of Esthetic Dentistry
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    • v.12 no.2
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    • pp.31-38
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    • 2003
  • Amelogenesis imperfecta patients suffered common clinical problems of poor esthetics, teeth sensitivity, and loss of occlusal vertical dimension. Amelogenesis imperfecta is a group of inherited disorders primarily affecting dental enamel. Variants of amelogenesis imperfecta generally classified hypoplastic, hypocalcified, or hypomaturation types based on the primary enamel defects. The mildest problems were found in the pitted hypoplastic type whereas the most severe problems were encountered in the hypocalcified type amelogenesis imperfecta. Management stragies include composite resin veneer and jacket crowns for anterior teeth as well as steel crowns for posterior teeth. Knowledge of the clinical features and dental complications of each variants if amelogenesis impecta helps in the diagnosis of the condition and allows institution of early preventive measures. The objective of this paper is to provide a review of the current concepts of the wide spectrum of etiological factors involved in the pathogenesis of this significance clinical entity in the primary dentition.

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AMELOGENESIS IMPERFECTA: A CASE REPORT (법랑질 형성부전증 환아의 치험례)

  • Park, Hee-Suk;Kim, Tae-Wan;Kim, Young-Jin;Kim, Hyun-Jung;Nam, Soon-Hyeun
    • Journal of the korean academy of Pediatric Dentistry
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    • v.35 no.3
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    • pp.562-570
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    • 2008
  • Amelogenesis imperfecta is a group of hereditary defects of enamel, unassociated with any other generalized defects. It is classified into 14 subtypes according to different clinical and genetic features. According to its clinical features, it is classified into hypoplastic type, hypocalcified type and hypomaturation type. However, these features tend to co-exist often. Dental features associated with amelogenesis imperfecta include quantitative and qualitative enamel deficiencies, pulpal calcification, root malformations, abnormal eruption, impaction of permanent teeth, progressive resorption of root and crown, congenital missing teeth and anterior and posterior open bite occlusions. The first case patient is a 16 month-old child with discoloration of deciduous teeth. All of her deciduous and permanent dentition has shown amelogenesis imperfecta. The restorational, orthodontic and recent prosthodontic treatments have been completed. Another patient is a 9 year and 3 month-old child with amelogenesis imperfecta in both deciduous and permanent dentition. The restoration has been done and the prosthodontic treatment is planned after the completion of growth. Above cases indicate that amelogenesis imperfecta occurs both in deciduous and permanent dentition, and it requires the long term treatment and care.

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ESTHETIC TREATMENT OF AMELOGENESIS IMPERFECTA USING RESIN JACKET CROWN: CASE REPORT (Resin Jacket Crown을 이용한 법랑질 형성 부전증 환자의 심미적 치험례)

  • Lee, Jun-Haeng;Lee, Jun-Seok;Kim, Yong-Kee;Kim, Jong-Soo
    • Journal of the korean academy of Pediatric Dentistry
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    • v.25 no.4
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    • pp.704-709
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    • 1998
  • Amelogenesis imperfecta represents a group of hereditary conditions that manifest enamel defects without evidence of generalized or systemic disorders. These enamel disorders are apparently heterogeneous in the basic chemical structure, resulting in a diverse presentation of clinical characteristics. The reported prevalence of amelogenesis imperfecta varies from 1 in 14,000-16,000 to 1.4 in 1,000 depending on specific population studied with the autosomal dominant hypocalcification type of amelogenesis imperfecta believed to be the least prevalent. The most widely accepted current classification system for delineating the amelogenesis imperfecta types considers the mode of inheritance and clinical manifestations. Three major groups are recognized; hypoplastic, hypocalcified, and hypomaturation types. Delineating specific types of amelogenesis imperfecta can be confusing due to the phenotypical similarity of many forms and that the most recent classification lists 14 different types. A 12 year-old female patient came to our pediatric dentistry clinic complaining of the ugly shape and color of her teeth, especially the upper front area. Although the goal of the treatment was mainly focused on the improvement of patient's esthetics, longevity of the restorations was also considered in selecting the appropriate restorative system, resin jacket crown, which can satisfy the both aspects.

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DENTAL TREATMENT OF A PATIENT WITH BARTTER SYNDROME: CASE REPORT (Bartter 증후군 환아의 치아우식 치료: 증례보고)

  • Kim, Minji;Song, Ji-Soo;Shin, Teo Jeon;Hyun, Hong-Keun;Kim, Young-Jae;Kim, Jung-Wook;Lee, Sang-Hoon;Jang, Ki-Taeg
    • The Journal of Korea Assosiation for Disability and Oral Health
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    • v.15 no.1
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    • pp.45-49
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    • 2019
  • Bartter syndrome is an inherited renal tubular disorder characterized by hypokalemia, hypochloremic metabolic alkalosis, hyperreninemia, hyperprostaglandinism, and normal blood pressure. Bartter syndrome is classified by neonatal and classic type. Clinical manifestation of Bartter syndrome considered in dental treatment include tendency to dehydration, vomiting and erosion, attrition and abrasion of the teeth. A 2-year-4 month old boy with Bartter syndrome type III was referred to the Seoul National University Dental Hospital for dental evaluation and treatment. He showed hypokalemic hypochloremic metabolic alkalosis and had been treated with indomethacin and potassium chloride. He had hypocalcified teeth with or without multisurface caries lesions in all dentition and the erosion of maxillary teeth was detected. Dental procedure under general anesthesia was scheduled due to multiple caries and his medical condition. The dental procedure was successfully performed. This case suggests that electrolyte imbalances need to be treated prior to dental treatment and complete coverage restoration is necessary to protect the eroded teeth. An appropriate management plan for the patients with Bartter syndrome should include considerations of the need for close interaction with the pediatrician for pre- and post-operative care. General anesthesia may be recommendable to manage the patients having multiple caries with Bartter syndrome.

Full-mouth rehabilitation with CAD/CAM monolithic zirconia in dentinogenesis imperfecta: a case report (상아질 형성 부전증 환자에서 CAD/CAM 단일 구조 지르코니아를 이용한 완전구강회복 증례)

  • Kim, Min-Kyoo;Kim, Sung-Hun;Lee, Jai-Bong;Han, Jung-Suk;Yeo, In-Sung;Ha, Seung-Ryong
    • The Journal of Korean Academy of Prosthodontics
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    • v.52 no.4
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    • pp.317-323
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    • 2014
  • Dentinogenesis Imperfecta, with a high incidence rate of 1 : 6 - 8000, is inherited by autosomal dominant genetic transmission. This dental disorder causes discoloration of the teeth and the enamel and dentin show hypoplastic or hypocalcified defects which lead to frequent fractures and rapid attrition. Therefore, timely treatment is necessary for the preservation of the remaining teeth. In this particular case, a 19-year-old patient suffering from Type 1 dentinogenesis imperfecta showed signs of brownish hued teeth with multiple fractures, a loss of vertical dimension, excessive interdental space in the maxillary anterior teeth, and a lack of 5 posterior teeth. To improve the esthetic appearance of the anterior teeth, the vertical dimension was increased. Resin caps were used to alleviate the difficulty of taking an impression of multiple teeth at once. Monolithic zirconia materials used in this case showed high fracture strength and the ability to mask the discoloration of the teeth and therefore, functionally and esthetically favorable results were achieved.

TRANSITIONAL TREATMENT OF AMLEOGENESIS IMPERFECTA IN MIXED DENTITION: A CASE REPORT (혼합치열기에 있는 법랑질형성부전증 환아의 이행적 치료)

  • Hwang, Ji-Young;Choi, Yeong-Chul;Kim, Kwang-Chul;Park, Jae-Hong;Choi, Sung-Chul
    • Journal of the korean academy of Pediatric Dentistry
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    • v.36 no.4
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    • pp.601-606
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    • 2009
  • Amelogenesis Imperfecta (AI) is a genetic disorder which retards the development of enamel and it can be classified into three types: hypoplastic, hypomaturation, hypocalcified type. This can occur both in deciduous and permanent dentition. A 8 year 8 month old patient with a chief complaints of delayed eruption on upper anteriors, calculus deposit on lower anteriors and anterior openbite visited the clinic. Anteriors had thin layer of enamel and were very narrow. Especially lower anteriors had rough surface and were in bad shape. Teeth were very hypersensitive to thermal changes. Upper and lower first molars showed severe attrition on the occlusal surface. Radiographs also verified hypoplastic enamel in the whole dentition including the teeth in the tooth bud. The patient was diagnosed as hypoplastic AI, and is being treated at the pediathc and prosthodontic department of the Kyunghee dental university hospital. To improve the function, esthetics, hypersensitivity of the AI patients, restorations on the posteriors and the anteriors with oral hygiene instruction are necessary, Constant follow-up check is needed until full growth and after full growth, cooperative care with the other department is needed.

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