Treatment Of Endodontic Periodontitis

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Introduction

Endodontics

The aim of endodontic procedures is to get rid of the infection and of the periapical tissue
Endodontic modalities include non-surgical root canal treatments such as primary root canal treatment, secondary root canal treatment (retreatments) and surgical periradicular treatments.
Non-surgical root canal treatment aim to eradicate the bacteria in all the root canals. This can be achieved by removal of the infected pulp tissue, mechanical shaping, disinfecting the canals and filling the canals with an appropriate material then restoring the coronal tooth with a definitive restoration. While apical surgery aims to treat apical periodontitis if healing didn’t occur by non-surgical treatment. The endodontic microsurgery is the most recent use method for endodontic surgery by using high-power magnification and illumination and using modern ultrasonic preparation and material to fill.

Endodontic success and survival
Endodontic success rate in the literature ranges from 92% to 98% with teeth without apical periodontitis prior to treatment (Friedman, Abitbol et al. 2003, Friedman and Mor 2004). Studies inspecting the success of endodontics differ in describing the term success and survival and it also differ in the period permitted for healing of the apical radiolucency. An asymptomatic tooth clinically with intact periodontal ligament space and complete absence of the of the periapical radiolucency radiographically is considered a success (Strindberg 1956 ). Friedman, Abitbol et al. (2003) Reported an overall 81% success rate for root canal treated teeth, these results were based on a strict criteria (no signs and symptoms and no apical periodontitis) the success rates increased to 94% when teeth with no sympt...

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... survival of teeth treated by specialists or general practitioners(Ng, Mann et al. 2010).

Intraoperative factors
The apical extent of the root filling and the quality of the root filling were investigated

Apical extent of root filling

Stoll, Betke et al. (2005) In a retrospective study estimated that the survival according their apical extent. Flush fillings had a 94% survival estimation while short and long fillings estimated results were 80.9% and 74.0% respectively in 5 to 10 years.(Caplan and Weintraub 1997) in a case control study found similar results but it was insignificant. They also found that teeth which had long fillings were extracted rather than retained in contrast to short filling which were retained more often than extracted. The previous results show that RCT within 2 mm of the radiographic apex have the best outcomes.

Quality of root filling

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