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Bond strength test of acrylic artificial teeth with prosthetic base Erna Kurnikasari; Muslich Mahmud; Hasna Dziab
Padjadjaran Journal of Dentistry Vol 20, No 2 (2008): July 2008
Publisher : Faculty of Dentistry Universitas Padjadjaran

Denture consists of acrylic artificial teeth and acrylic prothesis base bond chemically with a bond strength of 315 kgF/cm2. Most of the commercial acrylic artificial teeth do not specify their specifications and all of those acrylic artificial teeth do not include mechanical data (bond strength). The aim of this study is to discover which acrylic artificial teeth meet ADA specification no. 15. This study is a descriptive analytic study performed to 5 acrylic artificial teeth posterior brands commonly used by dentists and technicians. From each brand, 3 sample teeth were taken. The acrylic artificial teeth were prepared into a rectangular shape and were attached between acrylic prothesis base simulation and jigs. The sample was given tensile load using a Universal Testing Machine. The amount of force that causes the teeth to be fractured was recorded and the bond strength was calculated. The results of the study show that the average value for the five acrylic artificial teeth for the five brands were as followed: Brand A, 125.993 kgF/cm2; B, 188.457 kgF/cm2; C, 175.880 kgF/cm2; D, 153.373 kgF/cm2; E, 82.839 kgF/cm2. The data can be tested statistically by using One Way ANOVA test and Dunnett test (alpha = 0.05). From the study, it is concluded that the five acrylic artificial teeth have a bond strength below the ADA specification no. 15.

The description of condyle position in disc displacement with reduction using Cone Beam Computed Tomography 3D radiographic analysis Liana Rahmayani; Erna Kurnikasari; Rasmi Rikmasari
Padjadjaran Journal of Dentistry Vol 21, No 2 (2009): July 2009
Publisher : Faculty of Dentistry Universitas Padjadjaran

One of the temporomandibular joint disorders that mostly occurs is disc displacement with reduction. Disc displacement that causes the displacement of condyle position can be evaluated by using radiograph. The Cone Beam Computed Tomography (CBCT-3D) is a radiograph equipment which is able to capture the condyle position from many directions. This research was aimed to see the condyle position in patients with disc displacement with reduction symptoms. This research was conducted to 11 patients with symptoms of disc displacement with reduction and 3 patients without symptoms of disc displacement with reduction as the counterpart. What was conducted to the sample was the radiographic imaging using CBCT-3D radiography, followed by measuring the joint space distance in the sagittal and coronal directions. The result of the research was analyzed using the T-test. Statistically, the result of the test showed a significant difference ( = 0.05) between patients with disc displacement with reduction symptoms and the patients without symptoms, in sagittal and coronal views. The conclusion led to the difference in condyle positions in patients with the disc displacement with reduction and patients without the symptoms which meant there was a condyle position displacement that caused the distance alteration in joint space in sagittal and coronal directions.

The severity of temporomandibular joint disorder by teeth loss in the elderly Indry Herdiyani; Erna Kurnikasari; Lisda Damayanti
Padjadjaran Journal of Dentistry Vol 23, No 2 (2011): July 2011
Publisher : Faculty of Dentistry Universitas Padjadjaran

Temporomandibular joint dysfunction is a term that covers a number of clinical problems that involves masticatory muscles, temporomandibular joints, and related structures, or both. Loss of tooth was an etiology of temporomandibular joint dysfunction. The purpose of this study was to obtain the description of temporomandibular joint dysfunction level that caused by tooth loss of elderly in three nursing home Bandung. This was a descriptive study using the survey method of the elderly in three nursing home Bandung. A total of 34 people consist 6 males and 28 females. The subjects were examined by symptoms of temporomandibular joint dysfunction and the dysfunction level was assessed by Helkimo Clinical Dysfunction Index. The result of this study shows that elderly in Nursing Home Bandung have mild dysfunction level was 7 (14.71%), moderate dysfunction level was 22 (64.71%), and severe dysfunction level is 5 (20.58%). It can be concluded that loss of the teeth is one of the etiologies of temporomandibular joint disorder. Based on the research conducted, it can be concluded that all elderly with teeth loss will have the temporomandibular joint disorder and the most severity happens based on teeth loss by using the Helkimo Clinical Disfunction Index score was the moderate disorder.

Root fracture resistance test of cast post using seat and non-seat preparation design in central maxillary incisor Rifki Kania Pramanik; Gantini Subrata; Erna Kurnikasari
Padjadjaran Journal of Dentistry Vol 21, No 2 (2009): July 2009
Publisher : Faculty of Dentistry Universitas Padjadjaran

Post-placement is one of the treatment plans supporting the success of a restoration. The design of root canal preparation is a factor in the success of post-use. The purpose of this study was to investigate the root fracture resistance of the root canal preparation for cast post with a seat and non-seat preparation. The study was a laboratory experimental study using 20 upper central incisors that met the criteria in the study. Ten incisors were prepared using seat design while the other ten were prepared using non-seat design. Then tested the compressive test by Universal Testing Machine with test speed 0,5 mm/min. The results of the fracture strength were analyzed using t student statistical test. The analysis showed a significant difference between the non-seat group and the seat group (α=0.05). The average force in the non-seat group was 852.27 N with a standard deviation of 112.6 N while the seat group showed a value of 495.78 N and 82.90 N, respectively. It was concluded therefore that the root fracture resistance in the non-seat root canal preparation design was higher than the seat preparation design.

The analysis of temporomandibular disorder based on RDC/TMD Axis I revision 2010 in dentistry students Rasmi Rikmasari; An-Nissa Kusumadewi; Lisda Damayanti; Hasna Dziab; Erna Kurnikasari
Padjadjaran Journal of Dentistry Vol 28, No 2 (2016): July 2016
Publisher : Faculty of Dentistry Universitas Padjadjaran

Introduction: Temporomandibular joint disorders is a pathologic conditions as a caused of musculoskeletal pain and dysfunction syndrome in stomatognathic system. This disorder was suffered in the population and affected the quality of life. This study was done to know how was the condition of temporomandibular joint disorders in the student of Faculty of Dentistry Universitas Padjadjaran population. Another objective of this study was the diagnosis classification of revised RDC-TMD Axis I could be applicated in Indonesian population, and to calibrate the diagnostic. Methods: The research sample was 65, with 43 female and 22 male. Result: The result showed that 50% of the student of Faculty of Dentistry Universitas Padjadjaran minimally suffered one diagnosis of temporomandibular joint disorders; with the most disorder was disc displacement with reduction, in left or right joint, followed by myofacial pain with limited opening. Conclusion: The conclusion of this research there was a high percentage of temporomandibular joint disorders in student population based on Revised Research Diagnosis Criteria for Temporomandibular Joint Disorders 2010, with the most disorder were disc displacement with reduction. So, it was important to socialize this sign and symptom of these disorders to community.

Prevalence of temporomandibular joint disfunction in children Siti Masitoh; Erna Kurnikasari; Rasmi Rikmasari
Padjadjaran Journal of Dentistry Vol 19, No 2 (2007): July 2007
Publisher : Faculty of Dentistry Universitas Padjadjaran

The aim of this study is to get the description on TMJ dysfunction as well as its symptoms including clicking, crepitation, jaw opening restriction and muscle pain in children. Thus the result can be used as an input to the program of TMJ dysfunction prevention and treatment for the children in SDN Sirnasari Village, Ciptasari Pamulihan Subdistrict, Sumedang District. This study is descriptive study using survey technique. The samples for the study are 79 children in elementary school taken by random sampling technique with stratification. TMJ dysfunctions with clicking and crepitation symptoms were detected by palpating and using a stethoscope. Deviation, deflection, and jaw opening restriction symptoms were found out by visual examination. Whereas pain in TMJ supporting muscles was also detected by palpating. The result of the study shows that the number of children developing TMJ dysfunction with symptom of clicking is 34 children (43.03%), crepitation are 4 children (5.06%), deviation are 13 children (16.45%), deflection are 17 children (21.51%), jaw opening restriction are 49 children (62.02%), and pain in TMJ supporting muscles are 69 children (87.34%). From the study, it can be concluded that the highest frequency of TMJ dysfunction symptom in SDN Sirnasari children is a pain in TMJ supporting muscles. It is followed by jaw opening restriction, clicking, deflection, deviation, and the last is crepitation.

The hardness of five acrylic artificial teeth brands marketed in Bandung city Hasna Dziab; Zulia Hasratiningsih; Erna Kurnikasari
Padjadjaran Journal of Dentistry Vol 20, No 1 (2008): March 2008
Publisher : Faculty of Dentistry Universitas Padjadjaran

The acrylic artificial teeth are still among the most frequently used artificial teeth. Some commercial brands marketed in Bandung claim that their products have met the existing standards. However, those brands do not give any mechanical property data, including data on hardness. The ADA specification standard no. 15 requires a hardness of minimum 15.00 KHN for acrylic artificial teeth. The aim of this study is to find out which acrylic artificial teeth actually have a standardized hardness value. The study is an analytical descriptive study, which is performed on 5 brands of acrylic artificial teeth marketed in Bandung. From each brand, 4 teeth were sampled and receive 10 indentation spots on the upper and lower surfaces. It is concluded that the five acrylic artificial teeth brands have met the ADA specification standard no. 15 and there are differences in hardness values among the five brands.

Prevalence of temporomandibular joint disorder symptoms in Cibodas Maribaya Village Bandung District Erna Kurnikasari
Padjadjaran Journal of Dentistry Vol 22, No 1 (2010): March 2010
Publisher : Faculty of Dentistry Universitas Padjadjaran

Temporomandibular joint disorder is a stomatognathic system disorder causing mandibular function disturbance that clinically shows the following symptoms: clicking, crepitation, limited mouth opening, pain in masticatory muscles, pain in the jaw area, deviated mouth opening, ringing ear, pain around ear area, and headache. Experts stated that the prevalence of joint disorder was high. A study was conducted to the people of Cibodas Maribaya Village Bandung District who came to the Community Work event with results showing that the prevalence of clicking was 34 people or 32.4%, the deviation was found in 36 people or 34.3%, muscle pain was found in 28 people or 26.7%, a headache was found in 35 people or 33.3%, ear disorders was found in 23 people or 21.9%.

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