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All Journal Indonesian Journal of Prosthodontics
Ira Tanti
Prosthodontic Department Faculty of Dentistry, Universitas Indonesia Jakarta, Indonesia
Dentistry

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Marginal fit comparison of conventional and CAD/CAM techniques of PMMA temporary crown Achmad Riwandy; Ira Tanti
Indonesian Journal of Prosthodontic Vol 4 No 2 (2023): December 2023
Publisher : Indonesia Prosthodontic Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46934/ijp.v4i2.239

Abstract

Despite the weakness of PMMA as a temporary crown, this material has a high fracture resistance. PMMA can be used for a long time as a temporary and it can replace teeth loss. The marginal fit of the temporary crown must be as precise as that of the definitive crown to prevent irritation of the pulp tissue, inflammation of the periodontal tissues, and also produce an esthetic result. CAD/CAM temporary crown made of PMMA is a new concept in dentistry so it still needs to be investigated regarding the marginal gap in considering the use of conventional PMMA temporary crown. The objective is to review the comparison of the marginal gap of temporary crowns made from PMMA with CAD/CAM technology against conventional method. It is concluded that temporary crowns manufactured by CAD/ CAM method produces a better marginal fit than the conventional method. Polymerization shrinkage is one of the causes of dimensional changes that cause a marginal gap.
The efficacy of oral appliances treatment for obstructive sleep apnea Geraldine Ria Adrianne; Ira Tanti
Indonesian Journal of Prosthodontic Vol 4 No 2 (2023): December 2023
Publisher : Indonesia Prosthodontic Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46934/ijp.v4i2.246

Abstract

Obstructive sleep apnea (OSA) is a sleep disorder caused by upper airway obstruction. There are about one bil-lion people worldwide affected by OSA; in the past decade, the number of people who seek treatment for OSA is increasing. Although continuous positive airway pressure (CPAP) is the gold standard for OSA treatment, the dentist also has a role in treating OSA using oral appliances (OA), especially for those who do not want to be treated using CPAP. However, the efficacy of OA treatment for OSA is varied so further study is needed. This sco-ping review ia aimed to evaluate the efficacy of OA treatment for OSA on adult patients with different severity based on the apnea-hypopnea index (AHI) which is classified as a mild, moderate, and severe group. It is con-cluded that OA effectively reduces the symptoms of OSA. It must be noted that objective examination through the AHI evaluation shows that AHI reduction is affected based on the OSA and BMI classification. Patients with high BMI demonstrated a smaller reduction in AHI, thus showing low effectiveness of OA.
Co-Authors Achmad Riwandy Geraldine Ria Adrianne