e di erential diagnosis of endodontic and periodontal diseases can sometimes be di cult but it is of vital impor-tance to make a correct diagnosis so that the appropriate treatment can be provided. Definitions. To have the best prognosis, clinician must refer the case to various areas of specialization, to perform restorative, endodontic and periodontal therapy either singly or in combination [1]. The periapical index is a structured scoring system for categorization of radiographic features of apical periodontitis. Etiologic Primary endodontic lesion 2. These lesions can be simply classified, however the difficulty arises in the fact that endodontic and periodontal lesions can often join together – making diagnosis and differentiation quite difficult. The endodontic prognosis of a tooth in isolation of the other categories is largely linked to the difficulty of the case at hand [19]. A 7mm pocket was detected and rarefying osteitis was noted in the furcation. Odontogenic cyst are a group of jaw cysts that are formed from tissues involved in odontogenesis (tooth development). 2) Prognosis of the tooth was established as guarded. Classification and prognosis evaluation of individual teeth – a comprehensive approach. Naming the classification must be part of an endodontic or periodontic clinical requirement; otherwise, the documentation would suffer from inconsistency. Prognosis of initial endodontic therapy SHIMON FRIEDMAN ‘Prognosis’ is the forecast of the course of a disease. A search was conducted reviewing existing literature relating to classification and prognostication of individual teeth. Classification of endodontic-periodontal lesions. Large perforation – it occurs mainly during post-preparation with significant tissue damage and obvious Background and objectives: The long-term outcome of endodontic microsurgery (EMS) performed on root-filled teeth affected by post-treatment apical periodontitis (AP) has been a matter of debate, re-launched by the introduction of novel root-end filling materials which have been proven to improve the short-term outcome of EMS. 10 Reviewed studies, therefore, must be The prognosis is a prediction of the probable course, duration, and outcome of a disease based on a general knowledge of the pathogenesis of the disease and the presence of risk factors for the disease. In the management of endodontic-periodontal disease, proper diagnosis is critical to ensure treatment success and favorable long-term prognosis. International Endodontic Journal, 45, 597–613, 2012. classification as “healed” ... (Reprinted with permission from Friedman S. Prognosis of initial endodontic therapy. Small perforation - these are smaller than size 20 endodontic instruments because the mechanical damage to tissue is minimum, and the due to the ease of sealing, they have a good prognosis. It is established after the diagnosis is made and before the treatment plan is established. Classification The most commonly used classification was given by Simon, Glick and Frank in 1972, which includes [2]: 1. 15 In the present case, the control of root canal infection and the sealing of the MTA resorbed area were determinants for the prognosis of the treated tooth. Luxation injuries can be further classified as intrusive, extrusive, and/or lateral; this categorization further facilitates the mode of splinting and repositioning utilized during treatment. endodontic treatment. 7 Clinical attachment loss has a demonstrably negative impact on the prognosis of endodontically treated teeth. Endodontic-periodontal lesions present various challenges to the clinician regarding the diagnosis and prognosis of the involved teeth. Pulpal healing is essential for the endodontic prognosis of a reimplanted tooth, as well as for its periodontal healing. If endodontic and periodontal lesions occur in different roots of the same tooth they are readily distinguishable. Primary endodontic lesion (when the lesion is entirely endodontic in origin) 2. Classification of endodontic-periodontal lession Simon, Glick & Frank (1972) [10] classified endodontic-periodontal lesion, based upon origin of the disease and its spread, as following: 1. prognosis. Over the past 80 years, an extensive volume of Endodontic-Periodontal Lesion : A pathological communication between the pulpal and periodontal tissues of a tooth. Abstract. The dimensions determined to be of importance to gain an overall perspective of the individual relative tooth prognosis were the periodontal, restorative, endodontic… Endodontic-periodontal lesions present challenges to the clinician as far as diagnosis and prognosis of the involved teeth are concerned. Appearing in a future issue, Part 2 will focus on competence in treatment planning and prognosis of endodontic therapy. One of the main classification items was primary endodontic disease, which we believe should be modified, since it has no periodontal relationship. Based on these classifications, the most widely used classification of endodontic-periodontal lesions is the one that has been classified by Simon et al. 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