1.New Horizon in Advanced Prosthodontics.
The Journal of Advanced Prosthodontics 2013;5(1):1-1
No abstract available.
Prosthodontics
2.The effects of the design of abutment screw driver on the amount of time for insertion of screw driver into abutment screw head.
The Journal of Korean Academy of Prosthodontics 2005;43(2):258-263
STATEMENT OF PROBLEM: Implant screw loosening has been remained a problem in implant prosthodontics. The time needed to insert screw driver into abutment screw head should be shortened for the purpose of decreasing the chair time. PURPOSE: The purpose of this study was to investigate the effects of the design of abutment screw driver on the amount of time for insertion of screw driver into abutment screw head. MATERIAL AND METHODS: Hexagonal and rectangular types of abutment screw drivers were used. The original abutment screw drivers were modified by grinding acute angle of the screw driver tip (modified drivers). Group 1 : hexagonal type abutment screw and original driver Group 2 : hexagonal type abutment screw and modified driver Group 3 : rectangular type abutment screw and original driver Group 4 : rectangular type abutment screw and modified driver UCLA lab analogues were located in acrylic resin block. The angulations of them were 0 and 20 degrees. The times needed for insertion were measured. Group 1 and 3 were used as controls. RESULTS: 1. Group 2 showed shorter insertion time than group 1, regardless of implant angulations (p<.05). 2. Group 4 showed shorter insertion time than group 3, regardless of implant angulations (p<.05). CONCLUSION: Modified abutment screw drivers required less amount of time to insert screw driver into abutment screw head. Modification of abutment screw driver was beneficial.
Head*
;
Prosthodontics
3.Prosthodontic Rehabilitation of Bilateral Maxillary Lateral Incisors Agenesis: A Case Report with One-Year Follow-Up
Archives of Orofacial Sciences 2021;16(2):241-251
ABSTRACT
Globally, non-syndromic tooth agenesis is commonly seen in clinical practice. However, its management
is often complex and requires a multidisciplinary team approach for the maximal outcome. While various
treatment options are possible, considerations for the treatment are not only based on the dentofacial
conditions but also cultural and social background and personal preference of the patient. Thus, patientcentred care approach should always be practised for an optimal outcome. In the present case, a patient
with established craniofacial growth presenting with bilateral agenesis of maxillary lateral incisors and
over-retained deciduous maxillary left canine sought for aesthetic improvements. The patient did not
prefer any orthodontic treatment citing a prolonged treatment duration and sub-optimal motivation as a
hindrance. Thus, a prosthodontic only approach was taken by providing a conventional cantilever bridge
and ceramic veneers to achieve the aims of treatment. This article discusses the possible limitation of
such prosthodontic only solution in managing tooth agenesis.
Prosthodontics
;
Anodontia
4.PHYSICAL PROPERTIES OF THE REUSED IPS-EMPRESS CERAMIC. PART II: STUDY ON THE FLEXURE STRENGTH.
The Journal of Korean Academy of Prosthodontics 1998;36(3):524-529
The purpose of this study was to investigate the possibility on recycling of IPS-Empress ceramic for the wide use of IPS-Empress ceramic in prosthodontic treatment. The frexure strength of first pressed, second pressed, and third pressed IPS-Empress ceramic were measured and compared. There was no ststistical difference among three groups, and the result of this study implied the recycled IPS-Empress ceramic has enough frexure strength for clinical use.
Ceramics*
;
Prosthodontics
;
Recycling
5.Orthodontic Management of Horizontal and Vertical Space Problems in Prosthodontics.
The Journal of Korean Academy of Prosthodontics 2000;38(4):412-420
A treatment should be functional, esthetic, conservative and periodontally healthy in order to meet criteria of an ideal dental procedure. in a prsthodontic patient with horizontal and/or vertical space deficiency, orthodontic tooth movement should be considered as a pre-prosthetic procedure. With a conventional technique, orthodontic treatment is a time-consuming and uncomfortable procedure. Pre-prosthetic orthodontic treatment, however, is no longer difficult procedure with the help of recently developed techniques, such as passive bracketing. The present article outlines the problems and causes of horizontal and vertical space deficiency in prosthodontic patients, and presents efficient pre-prosthetic orthodontic treatment modalities with typical clinical cases.
Humans
;
Prosthodontics*
;
Tooth Movement
6.The dimensional change of cast implant bars after laboratory procedure.
Ji Yung KWON ; Chang Whe KIM ; Young Jun LIM ; Myung Joo KIM
The Journal of Korean Academy of Prosthodontics 2007;45(3):354-361
STATEMENT OF PROBLEMS: The precision of fit between the bearing surfaces of implant abutments and the prosthesis framework has been considered fundamental to implant prosthodontic protocol. PURPOSE: The study aimed to investigate the effect of laboratory procedure on the dimensional accuracy of cast implant bars. MATERIAL AND METHODS: Thirty implant bars were fabricated on a metal master model. The gap distances were measured at the right implant abutment replica-gold cylinder interface after casting procedure. The bar length data of precasting and postcasting state were collected and analyzed. RESULTS: The mean gap distance found after casting was 106.3 micrometer for buccal side, 122.1 micrometer for distal side and 117.1 micrometer for the lingual side. The mean bar length was 17964.7 micrometer at precasting measurement, 17891.6 micrometer at postcasting measurement. The mean change of bar length was - 73.1 micrometer. CONCLUSION: Even though the techniques used in this study strictly followed the guidelines established in the literature, the 30 cast implant bars evaluated all yielded gap distances that were beyond acceptable accuracy. There was a statistically significant difference between precasting and postcasting bar length (P<0.01). There was a decreasing tendency in bar length after casting procedure. It was necessary to correct this dimensional change from laboratory procedure by some corrective methods.
Prostheses and Implants
;
Prosthodontics
7.Limited or Le fort I down fracture access for widespread osteomyelitis of maxilla.
Taek Su GO ; Won LEE ; In Soo KIM ; Hyun Suk CHA ; Hyung Uck HAN ; Woon Kyung SEO ; Su Hyun PARK ; Kyoung In YUN
Journal of the Korean Association of Oral and Maxillofacial Surgeons 2005;31(5):436-439
PURPOSE: To compare the case of widespread maxillary osteomyelitis treated through different approach. METHOD: We report the two case of osteomyelitis. In a case, we had gradually removed the small amount of sequestrum for several times. In the other case, intended Le Fort I fracture was done to approach the lesion. RESULT: In the gradual sequestrectomy case, bone formations were found after 4 months. In the other case, after intended Le Fort I down fracture, sequestrectomy of Lt. maxilla was done with the labiobuccal alveolar bone preserved for the prosthodontic treatment.
Maxilla*
;
Osteomyelitis*
;
Prosthodontics
9.Longitudinal prosthodontic study of hereditary ectodermal dysplasia: 6 year study.
The Journal of Korean Academy of Prosthodontics 1991;29(1):249-254
No abstract available.
Ectoderm*
;
Ectodermal Dysplasia*
;
Prosthodontics*
10.Clinical performance of intraoral digital impression for fixed prosthodontics: a Meta-analysis.
Ling CHEN ; Cheng CHEN ; Zhi-Yong LI ; Qi ZHANG
West China Journal of Stomatology 2021;39(3):306-312
OBJECTIVES:
To analyze the clinical performance of the intraoral digital impression (IDI) in the fixed prosthodontics.
METHODS:
Databases of Medline (Ovid), EMBASE, Cochrane Central Register of Controlled Trials, and CNKI were searched for randomized controlled trial (RCT) on the use of IDI in fixed prosthodontics until May 2020. Two reviewers independently screened literature, extracted data, and assessed the risk of bias of included studies. A Meta-analysis was conducted when available.
RESULTS:
Eleven RCTs involving 618 patients were included in this study. A total of 2 and 3 studies had low and high risks of bias, respectively, and other included studies had a medium risk of bias. Results illustrated that the IDI group could shorten the impression-taken time [SMD=-5.63, 95%CI (-11.25, -0.01),
CONCLUSIONS
Evidence indicated a good clinical performance of IDI for fixed prosthodontics. Notably, high-quality studies are expected to further support the conclusion.
Dental Care
;
Humans
;
Prosthodontics