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(ˌpɛr i əˈdɒn ʃəm, -ʃi əm)

n., pl. -tia (-ʃə, -ʃi ə)
the bone, connective tissue, and gum surrounding and supporting a tooth.
[1955–60; peri- + -odont + -ium2]
References in periodicals archive ?
Helps to intensify the oral periodontium, dentition, and jaw
Objective: The PRE-Facto fellowship aims to develop a new regenerative approach which potentially will promote the revival of the periodontium, while a successful outcome may lead also to the prevention of the disease when intervened early.
Examples of the types of procedures performed in Periodontal Medicine & Surgical Specialists, LTD include surgery involving the periodontium and alveolar bone, sinus augmentation, bone reconstruction, tissue engineering, implant surgery, mucogingival and periodontal regenerative surgery, as well as surgically facilitated orthodontic therapy.
Many children don't know what the "gums" are, nor do they understand why they should brush their periodontium.
In order to understand the effect of berberine on local degradation caused by periodontitis, the expression of MMP-2 and -9 in periodontium was in vitro and in vivo evaluated.
It is a chronic infection caused by bacterial infection of the periodontium and results in a degeneration of tissue.
The reported advantages of this technique include: operator and patient ease as there is no need to attach hooks or elastics, reduction in adjustments, continuous forces over a long period of time, friction-free system, healthy periodontium (as the eruptive process is through normal, closed mucoperiosteum) and reduced risk of infection (11,42,43).
Dentist Roger Seiler from the Centre for Evolutionary Medicine at the University of Zurich has now examined Otzi's teeth based on the latest computer tomography data and found that: the loss of the periodontium has always been a very common disease, as the discovery of Stone Age skulls and the examination of Egyptian mummies has shown.
Benign and malignant neoplasms of the periodontium.
Periodontitis, however, presents as loosening teeth and deep dental pain, which is caused by the spread of infection to the periodontium.