Australian Dental Journal

March 1999 - Volume 44 Number 1

REVIEW

Resin-ionomer restorative materials for children: A review Hybrid restorative materials comprising resins and components of conventional glass ionomers have been widely introduced and accepted by the dental profession in recent years. These include the resin-modified glass ionomer cements and the polyacid-modified resin composites or compomers. They are developed in an attempt to overcome the problems of traditional restoratives, such as moisture sensitivity and reduced early strength, while at the same time maintaining their clinical advantages of command setting, adhesion to tooth structures, adequate strength to occlusal load, fluoride release and aesthetics. This paper reviews the development, composition and properties of these new materials.

KMY Hse SK Leung SHY Wei

ADRF RESEARCH REPORTS

Changes in root canal morphology in simulated curved canals over-instrumented with a variety of stainless steel and nickel titanium files The purpose of this project was to observe the amount of apical and mid-curve transportation produced by a range of nickel titanium (NiTi), titanium alloy and stainless steel (SS) files.	TV Lam DJ Lewis DR Atkins RH Macfarlane RM Clarkson MG Whitehead PJ Brockhurst AJ Moule
Facial burns in children: A series analysis with implications for resuscitation and forensic odontology This study comprises a continuous (1981-1995) unselected series of all children who died from thermal injuries in the State of Queensland, Australia.	C Acton J Nixon J Pearn D Williams F Leditschke

SCIENTIFIC ARTICLES

Release of methyl methacrylate from heat-cured and autopolymerized resins: Cytotoxicity testing related to residual monomer Three heat-cured and three autopolymerized acrylic denture bases with different mixing proportions and/or processing methods were investigated for the amount of residual monomer content and methyl methacrylate (MMA) released into saliva after incubation during the first and second 24 hours after processing.	U Kedjarune N Charoenworaluk S Koontongkaew
A clinical comparison of the new attachment obtained by guided tissue regeneration and coronally positioned flap techniques in the management of human molar furcation defects The present clinical trial was designed to evaluate the regenerative potential of the periodontal tissue in Class II furcation defects in mandibular molars using reconstructive surgery based on the guided tissue regeneration (GTR) technique versus the coronally positioned flap (CPF) technique.	V Kerdvongbundit M Sirirat A Sirikulsathean
Ethnic dental analysis of shovel and Carabelli’s traits in a Chinese population Chinese populations differ from Caucasoids by having a high prevalence of shovel trait and a low prevalence of Carabelli’s trait. This study was conducted to investigate the association between the shovel and the Carabelli’s traits in a Chinese population.	JW Hsu PL Tsai TH Hsiao HP Chang LM Lin KM Liu HS Yu D Ferguson
Dentists’ attitudes and practice regarding smoking Dentists are a potentially valuable source of community education about the health effects surrounding tobacco use. The aims of this study were to provide Australian data on dentists’ current practice regarding discussing smoking with patients, dentists’ perceptions of the barriers to discussing smoking with patients and dentists’ interest in discussing smoking with patients.	K Clover T Hazell V Stanbridge R Sanson-Fisher

CASE REPORTS

Ameloblastoma of the maxilla. Case report A basal cell maxillary ameloblastoma became obvious as an asymptomatic swelling of the left buccal sulcus and alveolar process, although a large extension into the maxillary sinus up to the nasal conchae and the orbital floor had already occurred. The painless and slow growth of the lesion, the thin bone of the upper jaws, the adjacent cavities and the vital structures are the main factors for delay in recognition and thus the potentially lethal result of a maxillary ameloblastoma.	S Iordanidis Ch Makos J Dimitrakopoulos H Kariki
Metastasis of thyroid carcinoma to the mandible. Case report Metastatic tumours to the jaw bones are uncommon. The incidence of jaw bone metastasis is difficult to assess accurately since the usual method to determine the distribution of a metastatic tumour has been by a radiographic skeletal survey in which the jaws are rarely included. At times, metastatic lesions of the orofacial region may be the first evidence of dissemination of a known tumour from its primary site. A case of metastatic follicular carcinoma of the thyroid to the mandible is presented. The present case emphasizes the importance of considering metastasis in the differential diagnosis of a radiolucent lesion in the mandible in a patient with a history of any malignant disease.	S Anil PM Lal DS Gill VT Beena
Burkitt’s lymphoma presenting as lower lip paraesthesia in a 24 year old Nigerian. Case report An unusual case of stage D Burkitt’s lymphoma in a 24 year old Nigerian female undergraduate is reported.	VI Ugboko KC Ndukwe KA Adelusola MA Durosinmi