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Periodontal health is essential before and after a prosthetic restoration. Thus, the most accurate reproduction of the size and shape of dental crowns with that of natural teeth is the key to maintain a normal relationship between the joint and the occlusal relief and to maintain the integrity and health of periodontal tissues. Maintaining the periodontal health of the teeth with prosthetic restorations, with the placement of the margins in contact with the marginal gingival tissue, is a challenge, because the odonto-periodontal unit is constantly affected by microbial flora and the bacterial plaque accumulation can be stimulated by the presence of dental restorations. The objective of the present study was to analize the effects of fixed dental prostheses on periodontal inflammatory status and hygiene. After ethical approval, patients were clinically examined, their data was recorded and statistically processed. The results showed the existence of significant differences or correlations between the plaque, calculus or gingival indices and the characteristics of dental prosthesis in some situations. In conclusion, the presence of prosthetic restorations could influence the oral hygiene and be associated wih periodontal changes.

During odontogenesis, the interactions between the epithelium and the adjacent mesenchyme involve the participation of a complex system consisting of signaling molecules, corresponding receptors and transcriptional control systems. In this context, the tooth eruption is accompanied by numerous periodontal changes including bone remodeling and regressive changes in the periodontal ligament causing an increase in local cytokine production (MMP, TIMP). Understanding the ongoing process occurring in periodontal tissues during tooth development can prevent adverse consequences associated with eruption disturbances.

The health of periodontal tissues is the key to the long-term success of prosthetic restorations. A negative impact on it can have subgingival margins, an inaccurate marginal fit, materials that favor the accumulation of plaque and can suffer the corrosion process. All these characteristics can stimulate the appearance of a biological response, that can be translated by increased proinflammatory markers (interleukins, matrix metalloproteinases) in gingival crevicular fluid. The acquisition of the aspects that describe the relationship between the two elements mentioned above, could ensure a favorable prognosis of fixed prosthetic therapy.

The number of patients undergoing hormone replacement therapy (HRT) to counterbalance hormonal changes is increasing. Patients follow HRT not only to avoid climatic symptoms but also to protect themselves from cardiovascular disease and osteoporosis. HRT is an option for women who need drug therapy to reduce the risk of osteoporosis, including women at high risk of fracture for the next 5-10 years. Oestrogen supplementation can modulate the periodontal destruction rate through mechanisms involving inhibition of matrix metalloproteinases (MMP-8 and MMP-13) and cytokines involved in bone resorption

The metabolic syndrome is a complex pathology, multisystemic, with numerous consequences that include: high blood sugar, hypertension, visceral obesity, dyslipidemia with high levels of triglycerides (TG) and low levels of HDL. Recent studies have published in the specialty literature, data that suggest the existence of a possible association between obesity and periimplantitis. The purpose of this report cases is to explore the possible relation between the metabolic syndrome and the development of periimplantitis. To reach the proposed objective we have evaluated the characteristics of periimplant tissues in patients that have a metabolic syndrome associated.

Implantology aims at the lasting restoration of masticatory function and also of aesthetics, phonetics and patient comfort. But, at the same time, among the purposes of treatment with dental implants is the stabilization of the peri-implant bone, whose resorption is thus stopped at the time of implant insertion, as well as the peri-implant soft tissues, which are supported by the peri-implant bone and after their collapse, in the event of bone atrophy, it appears an unsightly appearance of the teeth and the contour of the gingival mucosa.

Local risk factors could influence directly the periodontium, the most often involved local risk factors being dental calculus, malocclusions, improper or aged and degraded dental or prosthetic treatments, orthodontic appliances, affecting also the masticatory, esthetical and phonetical function consequently decreasing the quality of life. A good domestic plaque control performed by the patient and its removal professionally may be insufficient for the resolution of periodontal inflammation, as the local/systemic risk factors may still favour plaque accumulation or cause a misbalance of the host immune response. Therefore, plaque removal should be always accompanied by a sustained effort of the dental practitioners’ team to correct, or to, at least, control the predisposing local and systemic risk factors.

Achievement of holistic oral health is dependent upon first carrying out a thorough examination, so as to establish a comprehensive diagnosis of patient etiologies, needs, and required therapies. Restorative therapy often includes splinting of mobile teeth, coverage of sensitive roots, and correction of occlusal abnormalities to improve periodontal prognoses. The components of a thorough clinical examination include periodontal probing depths, assessment of clinical attachment levels, hard – and soft – tissue examination, models, and face – bow records. However, it is important to realize that a complete examination begins with an open discussion with the individual patient, as a step in determining the patient’s needs and desires. In this way, treatment plans may be formulated that are in the best interest of the patient and represent a greater value for the patient. Conclussion. Simple and complex patients may be successfully treated in this periodontaly challenging context, with success being defined as long – term stability and maximization of patient comfort, function, and aesthetics.

Sampling of saliva is simple and effective. It is a simple method in that it does not require expertise for collection and is less expensive. Periodontal disease is a chronic microbial and inflammatory process characterized by the presence of pathogenic bacteria. Saliva, by its importance in biofilm formation and in host defense, secretes biomarkers that can play a significant role in the establishment and progression of periodontal disease. Determining salivary biomarkers helps in the early diagnosis of diseases and increases the success rate of the treatment.