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Current scoring systems for dental caries do not consider the dynamic nature of the disease. The aims of the present study were to describe a new set of clinical caries diagnostic criteria which differentiate between active and inactive caries lesions at both the cavitated and non-cavitated levels and to evaluate the reliability of this criteria system in a(More)
It is now well-established that a linear relationship exists between fluoride dose and enamel fluorosis in human populations. With increasing severity, the subsurface enamel all along the tooth becomes increasingly porous (hypomineralized), and the lesion extends toward the inner enamel. In dentin, hypomineralization results in an enhancement of the(More)
The "checkerboard" Dna-Dna hybridization technology was used to study the epidemiology of 18 microbial species associated with various states of periodontal health and disease, in a sample of 148 Chinese subjects never exposed to systematic dental therapeutic intervention, aged 30 to 39 and 50 to 59 years. Our aims were to: 1) describe the prevalence of(More)
This aim of this paper is to spur a discussion of the direction of caries-lesion detection activities in clinical dental practice. It is argued that since the dental clinician's caries-related decision making is a script-matching enterprise in which clinical decisions are made on the basis of 'this-lesion-needs-this-kind-of-treatment' reasoning, the methods(More)
This paper reports the findings of an experimental gingivitis study conducted in smokers and non-smokers. 33 volunteers were examined and underwent prophylaxis during a period of 4 weeks. 28 subjects who showed a plaque index less than 0.20 on all prophylaxis occasions were permitted to continue in the study. Subjects then had their gingival status(More)
This study reports the results of implant therapy involving a sinus membrane lift as well as conventional implant therapy in 24 periodontally compromised patients who were treated during the period between June 1990 and May 1995. Patients were included on the basis of being in need of at least 2 implants, 1 of which was to be placed in the maxillary sinus(More)
OBJECTIVE The aim of this study was to assess the prevalence, extent, and risk indicators of tooth loss in an isolated population of Brazil. MATERIAL AND METHODS Two-hundred-and-forty-two subjects, ranging in age from 14 to 82 years (mean 36.2 years), were identified by census in an isolated population of Brazil. All consenting subjects received a(More)
This study reports the results of implant therapy involving a sinus membrane lift and of conventional implant therapy in 68 periodontally compromised patients treated between June 1990 and June 2002. Patients had at least two implants inserted, one of which was placed in the maxillary sinus region following fenestration of the lateral sinus wall and lifting(More)
OBJECTIVES The aim of this 3-year community intervention trial was to determine the caries preventive effect of sugar-substituted chewing gum among Lithuanian school children, and to assess compliance with the instructions for gum use. METHODS A total of 602 children, aged 9-14 years, from 28 school classes in five secondary schools in Kaunas, Lithuania,(More)
The present study evaluate the outcome of implant therapy in periodontally compromised patients in need of additional functional tooth support. A total of 31 Astra implants and 93 ITI Dental Implant System implants were inserted in 19 and 56 patients, respectively. The length of the implants varied between 8 and 14 mm, with 45% being 8 mm and 21% being 11(More)