• The Journal of Korean Academy of Prosthodontics
• /
• v.60 no.4
• /
• pp.339-346
• /
• 2022

Compared with traditional full dentures, mandibular implant overdentures have the advantage in that good support and retention can be obtained even with two implants. When manufacturing a mandibular implant overdenture using two implants, it is important to place the implant in the correct position. The long-term prognosis of overdenture is good when two implants are placed in the direction vertical to the occlusal plane and parallel to each other at the canine position. However, it is difficult to place two implants in the correct position in edentulous patients, and if you use surgical guides in these cases, you can get help in placing the implants in a prosthetically advantageous position. This case, a 57-year-old male patient, came to our hospital with all upper and lower teeth removed due to periodontal disease. Therefore, the maxilla was restored with a traditional full denture and the mandible was restored with an implant overdenture using two implants, which resulted in satisfactory functional and esthetic results.

• The Journal of Korean Academy of Prosthodontics
• /
• v.61 no.2
• /
• pp.143-152
• /
• 2023

Although tooth wear is a normal process due to aging, severe tooth wear causes various complications such as increased tooth sensitivity, loss of tooth structure, and pulp complications. In the treatment of patients with excessive tooth wear, the evaluation of loss of vertical occlusal dimension should be prioritized. If it is necessary to increase the vertical dimension to secure the restoration space, it is important to establish a treatment plan with the comprehensive analysis and determine the minimum vertical dimension elevation. In this case, 66-year-old male patient with severe worn dentition wanted to restore masticatory function and improve esthetic restoration. In order to determine the appropriate vertical dimension of the patient, we evaluated oral examination, radiographic examination, and diagnostic cast examination, and performed rehabilitation with minimum vertical dimension elevation. As a result of observation for 8 months, the definitive prosthesis was completed with contact of all teeth in centric occlusion, and proper anterior/posterior guidance. Through the above process, satisfactory aesthetic and functional outcomes were obtained.

• The Journal of Korean Academy of Prosthodontics
• /
• v.29 no.3
• /
• pp.197-203
• /
• 1991

저작압을 골에 직접 분산시키고 의치를 직접 골에 부착시켜 의치의 안정성을 증진시키는 가능성을 실현하는 것이 오랫동안 보철과의사들의 목표였다. 수십년 동안 골과 티타늄 임프란트가 결합(적합)되는 골융합성 술식이 발전되어 왔으며 이 임프란트의 상부구조물로 고정식 보철물이 받아들여져 왔다. 현재까지 가장 흔한 상부구조는 고정식 보철물이다. 요즈음 골융합성 임프란트에 지지를 받는 오버 덴춰의 술식이 고정식 보철물과 다른 하나의 방법으로 간주되어질 수 있게 되었다. 오버덴춰 술식이 심미적 경제적 이유 그리고 다양하게 적용할 수 있기 때문에 최근에 확대되는 경향이 있다. 골융합성 임프란트에 의한 고정식 보철물에 대한 광범위한 장기 결과들이 있는데 반하여 여러 어태치먼트를 이용한 오버덴춰 술식은 임상결과나 적용에 과한 지식들이 거의 발표되지 않았으며, 현재까지 임프란트 오버덴춰를 가진 환자의 구강기능에 대한 단지 몇개의 연구들만이 발표되었다. 우리는 장기 임상평가에 의해서 임프란트 오버덴춰를 아주 조심스럽게 평가해야 한다.

• Journal of the korean academy of Pediatric Dentistry
• /
• v.10 no.1
• /
• pp.131-138
• /
• 1983

381 students including elementary school boys 75, girls 76 & middle school boys 115, girls 115 were examined to study the factors of dental esthetic self-evaluation: as measured by questionnaire & dental examination. The following results were obtained: 1. In the case of the girls, the more severely rotated or displaced the upper anterior teeth were, the uglier they felt themselves. 2. The students showed the tendency to answer that they were satisfied or had no feeling one way or the other even though their teeth were less straight than others. 3. Most of the students could not relate their teeth to the over-all facial appearance. 4. In the case of the elementary-school-boys, they felt themselves ugly when the overjet & overbite were excessive: in the case of the middle-school-girls, they felt themselves ugly when the rotation & displacement of the upper & lower anterior teeth were severe. 5. Angle's classification showed no statistical significancy.

• Journal of the korean academy of Pediatric Dentistry
• /
• v.21 no.2
• /
• pp.570-576
• /
• 1994

Ectodermal dysplasia is characterized by a partial or complete lack of primary and permanent teeth, other ectodermal structures that may be affected include the skin, hair, and sweat glands. The patient with the so-called anhidrotic type of ectodermal dysplasia exhibits dry skin, lack of sweat glands, sparse eyebrows, body hair, saddle nose, and everted lips. Genetic basis of anhidrotic ectodermal dysplasia is recessive and sex-linked, being manifested chiefly in males, but this is debatable. A 6-year-old boy, with typical signs of anhidrotic ectodermal dysplasia, was presented. Prosthetic restoratoins are of great value to these patients, both from the standpoint of function and for psychologic reasons. The need for complete denture is critical during preschool periods and continues into adulthood. The following case report is an approach to the management of a patient with anhidrotic ectodermal dysplasia.

• Journal of the korean academy of Pediatric Dentistry
• /
• v.21 no.2
• /
• pp.593-598
• /
• 1994

There were two cases of esthetic improvement of discolored teeth. First case was 12-year-old girl whose upper right central incisor was discolored after traumatic injury. She was treated by walking bleaching technique. Endodontic retreatment was done, and then the mixture of Superoxol and sodium perborate was applied and changed every week. After 3 weeks, esthetic result was obtained and fracture site was rcovered with light-curing composite resin. Second cases was 11-year-old girl whose teeth were discolored by fluorosis. She was treated by vital bleaching technique. A resin splint was made and then 30% and 15% carbamide peroxide was applied using this splint. After 4 weeks, a noticeable improvement in the color and the brightness of the teeth was achieved.

• Journal of Technologic Dentistry
• /
• v.5 no.1
• /
• pp.31-34
• /
• 1983

We were usually make use of Viggo activator for orthodontic the state prognathous. But, it inconvenient for use because demend of long time until orthodontic use finished for restoration of everybody production and function(esthetic, mastication, phonetic). So, we were enough effect obtained for everybody function with this improve. 1. Improves Viggo activator inconvenience of insertion and remove. 2. It can be set with considering of functional and esthetics. 3. Get a orthodontics effect without lonf period. 4. Have no convenience to mastication at setting with occlusal correction at anytime.

• Journal of Technologic Dentistry
• /
• v.21 no.1
• /
• pp.115-121
• /
• 1999

This investing was carried out to evaluate the alteration of stress distribution on teeth and esthetic crowns. Analyzing the stress distribution by the two-dimensional finite element methods, a model of lower 1st molar according to the porcelain fused metal crown an the porcelain fused glass ceramic core crown and the all glass ceramic crown. 1. The pattern of stress distribution showed no apparent differences. 2. The greatest von Mises values were concentrated around the central fossa of all esthetic crowns. The greatest Maximum principle value were concentrated around the interface between the base of esthetic crown and the abutment tooth. It was found that the apatite glass ceramic could be applicable for use in dental crown prosthesis.

• Journal of the korean academy of Pediatric Dentistry
• /
• v.25 no.3
• /
• pp.627-634
• /
• 1998

Children who have severely destructive anterior primary dentition, as in nursing-bottle caries, in trauma, in rampant caries and in developmental defects, present the dentist with one of the most perplexing situations in dentistry. Especially, children with managed behavor difficultly is very severly situations. This paper reported a new technique for the utilization of resin post and strip crown to indirect methods on severely destructive primary anterior teeth. We name it "indirect short resin post crown" in this paper. Indirect technique be considered to be a simple, a retentive, intensive, color-stable and esthetic restoration.

• The korean journal of orthodontics
• /
• v.18 no.1 s.25
• /
• pp.127-139
• /
• 1988

Esthetic is one of the prime goal of the orthodontic treatment. It is represented by the word of harmony or balance. There is no absolute esthetic norm but it is important to study about it in orthodontic and orthognatic surgical treatment planning. The purpose of this study is to obtain the norm of Korean female adolescents who were candidates of 1986, 1987 Miss Korea Beauty Contest. The 77 individual samples were selected and studied by cephalometric analysis. Obtained results were as follows: 1 Korean esthetic norm was obtained. 2. Simple correlation coefficient was obtained between each measurements. 3. Holdaway ratio of Korean beauty was 3.3 : 1. 4. To compare with caucasian, profile of Korean beauty had less prominant nose, more prominant lip and deeper sulcus depth.