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In dental practice, the fidelity of a model is given by the quality and type of material used, the technique by which it is made, and last but not least by the experience and skill of the dental technician. But, the emergence of CAD-CAM technology has led to a major change in the stages of making the working model, through the development of the virtual model. Thus, the purpose of this material is to perform a comparative study between several techniques for obtaining sectional working models, with or without pins, compared to the virtual model obtained by CAD-CAM technique.

Dental veneers made of ceramic masses are considered on conservative solution for patients that require an enhancement of shape, shade, dimension and/or position of anterior teeth. Ceramic veneers are successfully used on large scale to hide tooth discoloration, to correct the position and minor defects of teeth, without removing significant quantities of hard tissues.

Introduction. By follow-up care process is meant an individualized curative-prophylactic active medical method, which supervises, at the initiative of the doctor, categories of healthy persons - exposed to risk factors - or categories of sick persons suffering from certain conditions. Purpose. In this study, we will refer to the theoretical and practical aspects regarding the necessity of follow-up care in children patients (preschool children, pupils), adolescents and young people, an operation that must be performed by the doctors with specialization and/or competence in pediatric dentistry, by the doctors with specialization in orthodontics and dentofacial orthopedics, by the school doctors, as well as by the simple dental doctors, who perform very regular pediatric dentistry maneuvers. Material and method. This study was conducted with the help of 23 pedodontists or pediatric dentists in Bucharest. Results and discussions. The answers obtained by applying the questionnaire created a clear image of the follow-up care system currently existing in Bucharest. Conclusions. The follow-up care in pediatric dentistry is the most useful active dental care, and in order to have an increased efficiency it is necessary that it is extremely well organized and controlled.

Objective. The purpose of the study is to identify the musculoskeletal problems in dental professionals and the causes leading to them to rank. The most frequent ones were ranked in order to elaborate operational and global projects and differentiated treatment and prophylaxis units focused on that certain problem. Material and method. The 133 subjects (dental students and specialist) answered a 14 items questionnaire. Results. The results of the questionnaire were centralized and statistically analyzed using descriptive statistics. Discussions. The results showed that most of the subjects (69.92%) had growth problems. 90.23% of them did not consulted a kinetoterapist but they were aware of the necessity of seeking specialty treatment in the future. Conclusions. The present study conducted to preliminary conclusions that will be the start point of further extended studies, emphasizing the necessity of Kinetotherapy classes in Dental School.

Objective. The purpose of the study is to evaluate the knowledge and universal application of decontamination methods of impressions in dental practices. Material and method. The study involved 131 persons (dentists and dental students at Faculty of Dental Medicine). All the participants completed a questionnaire regarding the knowledge of transmission risk and rates of infections agents through dental impressions and the importance of different methods of decontamination. Results. Most of the subjects (93.89%) are aware of classical safe standard to achieve infection control in dental office. The youngest ones are well instructed in dental school. Most of the participants concluded that there is a risk of transmission of infectious agents through different devices (impressions, prosthetic components) are sent out of the practice. Still only 35.11% of the respondents use a decontamination process of impressions. Among these (46 subjects), only 25 of them follow a well-conducted decontamination protocol. Many of the subjects consider that the infections risk of dental devices is minor and the decontamination procedure only makes the technological process more difficult. Conclusions. Dental practitioners consider that there is a minor risk of person-to-person transmission of infectious through dental devices. Doctors and technicians as well do not use a multi-step process of decontamination, because it makes the workflow more difficult.