• Title/Summary/Keyword: Injured teeth

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Restoration of severely damaged maxillary anterior teeth (상악 전치부 고도손상 치아의 수복)

  • Park, Jong hyun
    • Journal of the Korean Academy of Esthetic Dentistry
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    • v.27 no.1
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    • pp.4-17
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    • 2018
  • Extraction of highly injured teeth in the maxillary anterior teeth and implants restoration is almost good choice, lastly, you tried to save highly injured teeth is a good choice if you have a trust relationship between the dentist and the patient. If the dentist and the patient work together to achieve long-term maintenance, they will create a thicker trust relationship.

A STUDY ON THE TRAUMATIC INJURY OF PATIENTS IN DEPARTMENT OF PEDIATRIC DENTISTRY, KANGNUNG NATIONAL UNIVERSITY DENTAL HOSPITAL (강릉대학교 치과병원 소아치과에 내원한 외상 환자에 대한 분석)

  • Kim, Dong-Won;Lee, Kwang-Soo
    • Journal of the korean academy of Pediatric Dentistry
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    • v.28 no.2
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    • pp.247-254
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    • 2001
  • There is a growing tendency for injury and it is essential to know about the epidemiology of the injured teeth for proper and timely treatment. Through empirical data analysis of 120 children who came to pediatric dentistry of Kangnung National University Dental Hospital, this study purposes to give an understanding about the injury and analyzes the frequency by children's sex and age, the number of injured teeth according to the area in the mouth, the types of injury, causes and places of injury, the frequency occurred by month and hour, the position of injured teeth, and the elapse of time. The main findings of this study are summarized as follows: 1. The frequency analysis by sex shows that the rate of boys is more likely to be higher than girls(1.6:1). 2. The frequency analysis by age shows that the ratio of children between aged 2~4 and 8~10 are high. 3. The number of injured teeth is generally one(51.7%). 4. Periodontal tissue injury is the main cause for the primary teeth. In case of permanent teeth, the ratio of hard tissue injury which is much increased than the case of the primary teeth, is similar to that of periodontal tissue injury. 5. The main cause of injury is fall for both dentition; In case of permanent dentition, the ratio of injury by sports is increased. 6. The place of injury for primary teeth is mainly home(38.8%); Street and school for permanent teeth(42.5% and 35%, respectively). 7. The frequency by month shows that the injury is most frequently occurred in July. 8. The frequency analysis by hour shows that injury for primary teeth mostly happens in the morning; in the afternoon for permanent teeth. 9. The position of injured teeth according to the area in the mouth is mainly maxilla anterior in both case of primary and permanent teeth and especially the ratio of central incisors is high, 10. More than half(59.2%) of patients came to the hospital within one day and the seriously injured were likely to come within one day than the slightly injured.

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CASE REPORT OF PREMATURE CONTACT BY UNPROPER REDUCTION OF AVULSED TOOTH (탈구된 치아의 부적절한 재식으로 인한 조기접촉의 치험례)

  • Ra, Ji-Young;Kim, Dae-Eop;Yang, Yong-Sook;Lee, Kwang-Hee
    • Journal of the korean academy of Pediatric Dentistry
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    • v.32 no.1
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    • pp.1-6
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    • 2005
  • Injury of permanent teeth by trauma usually occurs to $8{\sim}10\;years$ old children, in mixed dentition. Fracture, dislocation, intrusion, extrusion, avulsion are the common types of trauma in teeth. The injuries which teeth are dislocated from the alveolar sockets can be treated by reduction and fixation. In this case report two children visited Wonkwang University Dental Hospital after the emergency treatment of tooth injury by other medical institutes. In these cases the injured teeth were not reducted properly and showed premature contact. So the teeth were dislocated from the alveolar sockets intentionally and fixed again in the proper position. Unproper reduction can cause premature contact, delay of healing, difficulty of mastication, and malocclusion. For this reason emergency rooms or local dental clinics where patients with dental trauma can be examined first, must know well about the treatment procedure of the injured teeth and should be consulted to the profession when necessary.

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A RETROSPECTIVE STUDY OF THE TRAUMATIC INJURIES IN THE PRIMARY AND PERMANENT TEETH (유치와 영구치의 외상에 관한 연구)

  • Heo, Su-Kyung;Choi, Nam-Ki;Kim, Seon-Mi;Yang, Kyu-Ho;Park, Ji-il
    • Journal of the korean academy of Pediatric Dentistry
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    • v.35 no.4
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    • pp.642-651
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    • 2008
  • This study was carried out to give basic information of traumatic injuries of primary and permanent teeth which can be used for diagnosis and management of injured teeth. From January 2003 to July 2007, 570 children with 1394 teeth who came to pediatric dentistry and emergency center of Chonnam National University Hospital due to the traumatized teeth participated in this study. The following data were investigated. : age, sex, causes and places of trauma, position of injured teeth, types of injury, and treatment at the first visit. 1. Trauma prevailed at the age of 1, $6{\sim}8$, $17{\sim}18$ and the rate of males was more likely to be higher than the rate of females(1.9 : 1). 2. The main cause of injury is a fall-down injury for primary and mixed dentition, but is a traffic accident and fighting for permanent dentition, respectably. The place of injury for primary dentition is mainly home(45.3%), while street for mixed and permanent dentition. 3. The position of injured teeth according to the area in the mouth is mainly maxillary anterior teeth in both case of primary and permanent teeth and especially, the ratio of central incisors is high. 4. The periodontal tissue injury occurred the most frequently in the primary and the permanent teeth, but the ratio of hard tissue injury in the permanent teeth increased, compared with the primary teeth. 5. Among treatments at the first visit, observation without actual treatment comprised 75.6% in the primary teeth and 55.4% in the permanent teeth, respectably. The pulp necrosis occurred in 20.3% of the primary teeth and 26.6% of the permanent teeth in the case of the periodontal tissue injuries, respectably.

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AN INVESTIGATION OF TRAUMATIC DENTAL INJURIES IN CHILDREN (소아의 치아와 지지조직 외상에 관한 분석)

  • Baik, Byeong-Ju;Yang, Yeon-Mi;Yang, Cheol-Hee;Kim, Jae-Gon
    • Journal of the korean academy of Pediatric Dentistry
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    • v.28 no.4
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    • pp.600-612
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    • 2001
  • The purpose of this study is concerned with an investigation of the actual condition of traumatic injuries of teeth and supporting structures in children to set up possible criteria for prevention and treatment of injured teeth. The materials consisted of the clinical records of 431 traumatically injured teeth of 212 children, accumulated during two years from the first of April in 1998 to the end of March in 2000, supplied from the Dept. of Pediatric Dentistry, Chonbuk National University Hospital. The incidence of injuries in boys was extremely high for permanent teeth, twice as high as in girls. Accidents to primary teeth were most common from 1 to 2 years of age and to permanent teeth were most from 8 to 9 years of age. The most common cause of trauma was a fall for both primary and permanent teeth, followed by collision. The anterior teeth in maxilla was most frequently affected by trauma in both the primary and permanent teeth. The most common type of trauma were loosening for the primary teeth, followed by luxation types which included the intrusion, displacement and extrusion and complete avulsion types. For the permanent teeth, the most common type of trauma were tooth fracture. The most common trauma of soft tissue was laceration of upper lip, lower lip and gingiva of maxilla Concerning treatment at the first visit, primary teeth with only loosening and concussion were not usually treated. Permanent teeth were often treated by crown restorations for crown fractures and by endodontic procedures for pulpal exposure. Though we could elucidate actual condition of traumatic injuries of teeth in children, we should make a follow-up survey to ensure the prognosis of injured teeth and establish the most desirable criteria for traumatized teeth in children.

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TREATMENT OF INJURED PERMANENT TEETH FROM TRAUMA : A CASE REPORT (외상에 대한 영구치 손상의 치험례)

  • Kim, Jun-Hye;Hahn, Se-Hyun
    • Journal of the korean academy of Pediatric Dentistry
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    • v.21 no.2
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    • pp.496-503
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    • 1994
  • Three cases of treated permanenet teeth are presented. A horizontal root fracture was treated by endodontic treatment in which coronal segment only was done. A replanted incisor is ankylosed because of false restorative method and long extraoral period. Resorption of traumatized bone can be seen in the third case. The prognosis of traumatized incisor depends on proper restoration, adequate amergency treatment and periodic follow-up check.

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TRAUMATIC INJURIES TO THE UPPER INCISORS IN PRIMARY AND MIXED DENTITION (유치열과 혼합치열기 어린이의 상악 절치부 외상)

  • Chung, Chu-Hyun;Lee, Jae-Ho;Kim, Seong-Oh;Choi, Byung-Jai
    • Journal of the korean academy of Pediatric Dentistry
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    • v.31 no.2
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    • pp.290-298
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    • 2004
  • In children, change in lifestyles such as an increase in participation of physical activities has increased the chance of receiving an injury, harming the child and their parents. This study was carried out to give basic information of traumatic injuries to the upper anterior teeth which can be used in prevention of future complications that may arise. From June, 2002 to May, 2003, of the 8,799 children in their primary and mixed dentition visiting Department of Pediatric Dentistry, College of Dentistry, Yonsei University 955 upper anterior teeth(primary 543, permanent 412) of 487 children(male 316, female 171) with traumatic injures to the upper incisors were studied. The results were as follows: 1. Trauma to the primary teeth prevailed at the age of 1-3 and to the permanent teeth at the age of 7. The male to female ratio was 1.85:1. 2. Trauma to the upper incisors for both the primary and permanent teeth occurred in the afternoon. Primary teeth were injured most frequently in the home(44.1%) and the permanent teeth outdoors, in the street(17.5%). 3. Both the primary and permanent teeth were most injured by fall-down injuries(39.8%, 12.9%), and next were collisions(22.2%, 6.0%). For the primary teeth, high fall, traffic accident, violence and sports are next in order, and for the permanent teeth, violence, sorts, traffic accidents were next. 4. Average number of 1.6 primary teeth and 2.8 permanent teeth were injured with the right central incisor most prevailing. 5. Crown fracture without pulpal exposure and subluxation injures were highest in frequency in both the primary and permanent teeth.

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THE EFFECTS OF FORMOCRESOL AND GLUTARALDEHYDE ON THE PERFORATED INTERRADICULAR TISSUES AND TOOTH GERMS OF PRIMARY TEETH IN DOGS (Formocresol, Glutaraldehyde가 유견 계승치 치배 및 주위조직에 미치는 영향에 관한 병리조직학적 연구)

  • Choi, Byung-Jai;Lee, Jong-Gap
    • Journal of the korean academy of Pediatric Dentistry
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    • v.8 no.1
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    • pp.55-63
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    • 1981
  • The purpose of this study is to observe the effect of formocresol and glutaraldehyde to tooth germs and periapical tissues after perforation of interradicular portion of pulpal floor and application of physiological saline solution in control groups, formocresol and glutaraldehyde in experimental groups. The following results were obtained 1. In control groups, normal healing processes were seen, and, on the sixteenth day, the epithelization of injured areas was completed. Inflammatory reactions were limited to the injured surface, and the underlying alveolar bone were normal and successive tooth germs were normal. 2. In both formocresol groups and glutaraldehyde groups, tissue reactions were identical. Inflammatory reactions were slightly compared with control groups, but the surface epithelizations were delayed compared with control group. 3. In both formocresol and glutaraldehyde groups, necrosis was seen in superficial tissue of bone marrow, and, at 24th day, center area of bone marrow on the successive tooth germs were losed and replaced with connective tissue, and superficial soft tissue of the injured area was connected with soft tissue on the successive tooth germ. In remaining alveolar bone, osteoclastic reaction was remarkable. 4. In both formocresol and glutaraldehyde groups, there is no injury to the successive tooth germs. 5. In both formocresol and glutaraldehyde groups, periodontal membrane was normal, but the partial resorption of cementum and dentin near the injured area were seen.

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Paresthesia diagnosed using cone-beam computed tomography: a case report

  • Kumar, Umesh;Kaur, Charan Kamal;Vashisht, Ruchi;Rattan, Vidya
    • Journal of Dental Anesthesia and Pain Medicine
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    • v.20 no.2
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    • pp.95-99
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    • 2020
  • Various dental procedures, such as injection administration, surgical treatment, and endodontic treatment, can cause injury to the nerves. The most commonly injured nerves are the inferior alveolar and lingual nerves. This can manifest as altered sensation to the area of innervation of the injured nerve, such as the lower lip, chin, teeth, tongue, and mucosa. Altered sensations or loss of sensation are relatively infrequent complications in daily dental practice. Here, we report an uncommon case of altered sensation in the midfacial region caused by an endodontic procedure and discuss the need to consider local dental causes in the differential diagnosis of numbness in the facial region.

DECORONATION ON ANKYLOSED PERMANENT INCISOR AFTER DENTAL TRAUMA (외상으로 유착된 영구 전치에서의 치관 절제술)

  • Kang, Yu-Jin;Kim, Young-Jin;Kim, Hyun-Jung;Nam, Soon-Hyeun
    • Journal of the korean academy of Pediatric Dentistry
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    • v.37 no.2
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    • pp.252-259
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    • 2010
  • Trauma commonly leads to ankylosis for the tooth whose periodontal ligaments have been injured. In growing patients, an ankylosed tooth can disrupt alveolar development, resulting in infraocclusion of the affected tooth. Consequently, this causes aesthetic problems during adolescence, interferes with prosthetic treatment due to the inclination of adjacent teeth, and complicates orthodontic dental movement. When the infraoccluded ankylosed tooth is extracted, a considerable amount of alveolar bone is lost, especially in the maxillary anterior region. Moreover, depression of the thin buccal alveolar bone compromises aesthetic restoration. In order to prevent alveolar bone loss, the ankylosed tooth should be treated by decoronation. In the present study, the traumatically injured maxillary incisors of 9-year-old and 10-year-old patients that present infraocclusion accompanied by ankylosis were treated with decoronation procedures. Decoronation procedures were performed when the affected teeth were 2-3 mm below relatively to the adjacent teeth. Moreover, the patients were treated before they get to 16 years old considering the maximum growth peak of the korean adolescents. As the results, there are favorable clinical results associated not only with preservation of horizontal alveolar volume but also with increase in vertical alveolar height after decoronation in growing individuals.