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REVIEW ARTICLE
Biologic width and its importance in periodontal and restorative dentistry
Babitha Nugala, BB Santosh Kumar, S Sahitya, P Mohana Krishna
January-March 2012, 15(1):12-17
DOI
:10.4103/0972-0707.92599
PMID
:22368328
An adequate understanding of the relationship between periodontal tissues and restorative dentistry is paramount to ensure adequate form, function, esthetics and comfort of the dentition. While most clinicians are aware of this important relationship, uncertainty remains regarding specific concepts such as biologic width, its maintenance and applications of crown lengthening in cases of biologic width violation. Relevant publications regarding biologic width, its violation and management were identified up to August 2011 using manual and electronic database search in Medline, Embase, Directory of Open Access Journals and Google Scholar. This review discusses the concept of biologic width around tooth and its relationship to periodontal health and restorative dentistry.
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REVIEW ARTICLES
C-shaped root canal configuration: A review of literature
Marina Fernandes, Ida de Ataide, Rahul Wagle
July-August 2014, 17(4):312-319
DOI
:10.4103/0972-0707.136437
PMID
:25125841
The aim is to review and discuss the etiology, incidence, anatomic features, classification, diagnosis and management of the C-shaped canal configuration. C-shaped canal configuration is a variation that has a racial predilection and is commonly seen in mandibular second molars. The intricacies present in this variation of canal morphology can pose a challenge to the clinician during negotiation, debridement and obturation. Manual and electronic searches of literature were performed from 1979 to 2012, in Pub Med by crossing the keywords: C-shaped canals, mandibular second molar, mandibular first premolar, root canal morphology. Knowledge of the C-shaped canal configuration is essential to achieve success in endodontic therapy. Radiographic and clinical diagnoses can aid in identification and negotiation of the fan-shaped areas and intricacies of the C-shaped anatomy. Effective management of this anomalous canal configuration can be achieved with rotary and hand instrumentation assisted with sonics and ultrasonics. Modifications in the obturation techniques will ensure a 3-dimensional fill of the canal system and chamber retained restorations like amalgam or composites, serve as satisfactory post endodontic restorations.
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RESTORATIVE DENTISTRY
Principles of smile design
Mohan Bhuvaneswaran
October-December 2010, 13(4):225-232
DOI
:10.4103/0972-0707.73387
PMID
:21217950
An organized and systematic approach is required to evaluate, diagnose and resolve esthetic problems predictably. It is of prime importance that the final result is not dependent only on the looks alone. Our ultimate goal as clinicians is to achieve pleasing composition in the smile by creating an arrangement of various esthetic elements. This article reviews the various principles that govern the art of smile designing. The literature search was done using PubMed search and Medline. This article will provide a basic knowledge to the reader to bring out a functional stable smile.
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REVIEW BY J CONSERV DENT EDITORS
Root canal irrigants
Deivanayagam Kandaswamy, Nagendrababu Venkateshbabu
October-December 2010, 13(4):256-264
DOI
:10.4103/0972-0707.73378
PMID
:21217955
Successful root canal therapy relies on the combination of proper instrumentation, irrigation, and obturation of the root canal. Of these three essential steps of root canal therapy, irrigation of the root canal is the most important determinant in the healing of the periapical tissues. The primary endodontic treatment goal must thus be to optimize root canal disinfection and to prevent reinfection. In this review of the literature, various irrigants and the interactions between irrigants are discussed. We performed a Medline search for English-language papers published untill July 2010. The keywords used were 'root canal irrigants' and 'endodontic irrigants.' The reference lists of each article were manually checked for additional articles of relevance.
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RESTORATIVE DENTISTRY
Dentin hypersensitivity: Recent trends in management
Sanjay Miglani, Vivek Aggarwal, Bhoomika Ahuja
October-December 2010, 13(4):218-224
DOI
:10.4103/0972-0707.73385
PMID
:21217949
Dentinal hypersensitivity (DH) is a common clinical condition usually associated with exposed dentinal surfaces. It can affect patients of any age group and most commonly affects the canines and premolars of both the arches. This article concisely reviews the patho-physiology, mechanism and clinical management of the DH. Treatment of DH should start with an accurate diagnosis. Differential diagnosis should be made and all other probable causes should be excluded. An often neglected phase of clinical management of DH is the identification and treatment of the causative factors of DH. By removing the etiological factors, the condition can be even prevented from occurring or recurring. There are various treatment modalities available which can be used at home or may be professionally applied. The "at home" desensitizing agents include toothpastes, mouthwashes or chewing gums and they act by either occluding the dentinal tubules or blocking the neural transmission. This article also discusses the recent treatment options like bioglass, Portland cement, lasers and casein phosphopeptide.
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DENTAL MATERIALS
Dental ceramics: An update
Arvind Shenoy, Nina Shenoy
October-December 2010, 13(4):195-203
DOI
:10.4103/0972-0707.73379
PMID
:21217946
In the last few decades, there have been tremendous advances in the mechanical properties and methods of fabrication of ceramic materials. While porcelain-based materials are still a major component of the market, there have been moves to replace metal ceramics systems with all ceramic systems. Advances in bonding techniques have increased the range and scope for use of ceramics in dentistry. In this brief review, we will discuss advances in ceramic materials and fabrication techniques. Examples of the microstructure property relationships for these ceramic materials will also be addressed.
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LEGENDS
The Father of Modern Dentistry - Dr. Greene Vardiman Black(1836-1915)
Reuben Joseph
April-June 2005, 8(2):5-6
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REVIEW ARTICLE
Incremental techniques in direct composite restoration
Veeramachaneni Chandrasekhar, Laharika Rudrapati, Vijetha Badami, Muralidhar Tummala
November-December 2017, 20(6):386-391
DOI
:10.4103/JCD.JCD_157_16
PMID
:29430088
Polymerization shrinkage is one of the dental clinician's main entanglements when placing resin-based composite restorations. None of the method can assure a perfectly sealed restoration for adhesive restorative materials; clinicians must abode problems of polymerization shrinkage and its possible ill effects. The objective of this article is to review different incremental techniques that can ruin the polymerization shrinkage stress of direct composite restoration.
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DENTAL MATERIALS
Indirect resin composites
Suresh Nandini
October-December 2010, 13(4):184-194
DOI
:10.4103/0972-0707.73377
PMID
:21217945
Aesthetic dentistry continues to evolve through innovations in bonding agents, restorative materials, and conservative preparation techniques. The use of direct composite restoration in posterior teeth is limited to relatively small cavities due to polymerization stresses. Indirect composites offer an esthetic alternative to ceramics for posterior teeth. This review article focuses on the material aspect of the newer generation of composites. This review was based on a PubMed database search which we limited to peer-reviewed articles in English that were published between 1990 and 2010 in dental journals. The key words used were 'indirect resin composites,' composite inlays,' and 'fiber-reinforced composites.'
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INVITED REVIEW
Advances in endodontics: Potential applications in clinical practice
Anil Kishen, Ove A Peters, Matthias Zehnder, Anibal R Diogenes, Madhu K Nair
May-June 2016, 19(3):199-206
DOI
:10.4103/0972-0707.181925
PMID
:27217630
Contemporary endodontics has seen an unprecedented advance in technology and materials. This article aimed to review some of the challenges and advances in the following sections: (1) endodontic imaging, (2) root canal preparation, (3) root canal disinfection, (4) root canal filling, and (4) regenerative endodontic procedures (REPs). Jointly, these advances are aimed at improving the state of the art and science of root canal treatment.
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28,086
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REVIEW ARTICLES
The self-adjusting file (SAF) system: An evidence-based update
Zvi Metzger
September-October 2014, 17(5):401-419
DOI
:10.4103/0972-0707.139820
PMID
:25298639
Current rotary file systems are effective tools. Nevertheless, they have two main shortcomings:
They are unable to effectively clean and shape oval canals and depend too much on the irrigant to do the cleaning, which is an unrealistic illusion
They may jeopardize the long-term survival of the tooth via unnecessary, excessive removal of sound dentin and creation of micro-cracks in the remaining root dentin.
The new Self-adjusting File (SAF) technology uses a hollow, compressible NiTi file, with no central metal core, through which a continuous flow of irrigant is provided throughout the procedure. The SAF technology allows for effective cleaning of all root canals including oval canals, thus allowing for the effective disinfection and obturation of all canal morphologies. This technology uses a new concept of cleaning and shaping in which a uniform layer of dentin is removed from around the entire perimeter of the root canal, thus avoiding unnecessary excessive removal of sound dentin. Furthermore, the mode of action used by this file system does not apply the machining of all root canals to a circular bore, as do all other rotary file systems, and does not cause micro-cracks in the remaining root dentin. The new SAF technology allows for a new concept in cleaning and shaping root canals: Minimally Invasive 3D Endodontics.
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Variable permanent mandibular first molar: Review of literature
Srinidhi V Ballullaya, Sayesh Vemuri, Pabbati Ravi Kumar
March-April 2013, 16(2):99-110
DOI
:10.4103/0972-0707.108176
PMID
:23716959
Introduction:
The success of root canal therapy depends on the locations of all the canals, thourough debridement and proper sealing. At times the clinicians are challenged with variations in morphology of root canal. This review article attempts to list out all the variations of permanent mandibular first molar published so for in the literature.
Materials and Methods:
An exhaustive search was undertaken using PUBMED database to identify published literature from 1900 to 2010 relating to the root canal morphology of permanent first molar by using key words. The selected artcles were obtained and reviewed.
Results:
Total ninty seven articles were selected out of which 50 were original article and forty seven were case reports. The incidence of third canal in mesial root was 0.95% to 15%. The incidence of three rooted mandibular first molar was 3% to 33%. Only ninety cases reported with c-shape canal configuration. Incidence of Taurodintism without congenital disorder was very rare.
Conclusion:
The root canal treatment requires proper knowlegde of variations in root canal morphology in order to recognise, disinfect and seal all portal of exit. This can be accomplished with proper diagnosis using newer modes, modification in access preparation, use of operating microscope, enhanced methods of disinfecting and sealing of all canals.
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CASE REPORT
Digital smile design and mock-up technique for esthetic treatment planning with porcelain laminate veneers
Paula Pontes Garcia, Rogério Goulart da Costa, Murilo Calgaro, André Vicente Ritter, Gisele Maria Correr, Leonardo Fernandes da Cunha, Carla Castiglia Gonzaga
July-August 2018, 21(4):455-458
DOI
:10.4103/JCD.JCD_172_18
PMID
:30122831
The use of digital tools offers a new perspective to daily clinical activities. The digital information serves as a starting point for a wax-up and intraoral mock-up, which is widely reported in literature as an objective and efficient communication tool among dentist, patient, and technician. This case report of a maxillary anterior rehabilitation demonstrates esthetic planning with the digital smile design (DSD) system and a direct mock-up technique. After preoperative photographs were obtained, digital planning was created using DSD. However, due to differences in virtual simulation, a direct mock-up with composite resin was performed. Porcelain laminate veneers using feldspathic ceramics were used to restore the anterior teeth. Many times, the DSD simulation is not enough for the patient to understand and observe the changes that will be performed on the anterior teeth. This combination of techniques can offer predictability to results as well increasing the patient expectation satisfaction.
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EDITORIAL
The revised guidelines of the Medical Council of India for the academic promotions: Need for a rethink
Rakesh Aggarwal, Nithya Gogtay, Rajeev Kumar, Peush Sahni, for the Indian Association of Medical Journal Editors
January-February 2016, 19(1):1-4
DOI
:10.4103/0972-0707.173180
PMID
:26957784
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ENDODONTICS
Endodontic microbiology
L Lakshmi Narayanan, C Vaishnavi
October-December 2010, 13(4):233-239
DOI
:10.4103/0972-0707.73386
PMID
:21217951
Root canal therapy has been practiced ever since 1928 and the success rate has tremendously increased over the years owing to various advancements in the field. One main reason is the complete understanding of the microbiology involved in the endodontic pathology. This has helped us to modify the conventional treatment plans and effectively combat the microorganisms. Now, studies are aiming to explore the characteristics of the "most" resistant organism and the methods to eliminate them. This article gives an insight of the microbiology involved in endodontic pathology and discusses its role in our treatment procedure. Information from original reviews listed in PubMed, published from 1995 to 2010, has been mainly included in this review.
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REVIEW ARTICLE
Role of Platelet rich fibrin in wound healing: A critical review
Balaram Naik, P Karunakar, M Jayadev, V Rahul Marshal
July-August 2013, 16(4):284-293
DOI
:10.4103/0972-0707.114344
PMID
:23956527
Aim:
The aim is to review and discuss the strategies available for use of platelet rich fibrin as healing aid in dentistry.
Background:
Platelet rich fibrin (PRF) is a fibrin matrix in which platelet cytokines, growth factors, and cells are trapped and may be released after a certain time and that can serve as a resorbable membrane. Choukroun and his associates were amongst the pioneers for using PRF protocol in oral and maxillofacial surgery to improve bone healing in implant dentistry. Autologous PRF is considered to be a healing biomaterial, and presently, studies have shown its application in various disciplines of dentistry.
Materials and Methods:
By using specific keywords, electronic search of scientific papers was carried out on the entire PubMed database with custom range of 5 years. The electronic search yielded 302 papers; based on inclusion and exclusion criteria which were specifically predetermined, 72 papers were identified as suitable to the inclusion criteria and the remaining 230 papers were excluded. After adding three more selected papers through hand search, full text of all the articles retrieved and review was done. By pooling the extracted data from selected papers, the reviewed data was synthesized.
Conclusion:
Recently by showing good promising results with use of the PRF, it has proved to have a good prospect for its use as healing aid in various aspects of the dentistry.
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ORIGINAL ARTICLES
Root canal morphology of maxillary second premolars in an Indian population
Udayakumar Jayasimha Raj, Sumitha Mylswamy
July-September 2010, 13(3):148-151
DOI
:10.4103/0972-0707.71648
PMID
:21116391
Introduction
: The purpose of this study was to investigate root canal morphology of maxillary second premolars in an Indian population.
Materials and Methods
: Two hundred maxillary second premolars were collected, stained, decalcified, and cleared. Cleared teeth were examined in a steromicroscope under 7.5× magnification and the following observations were made: (1) length of the teeth, (2) number of root canals, (3) root canal configuration by Vertucci's classification, (4)number of isthmi between the canals, (5) frequency of apical deltas.
Results
: Of the two hundred maxillary second premolars, 64.1% had one root canal at the apex and 35.4 % had two root canals at the apex. The average length of the teeth was 21.5 mm. Concerning the canal morphology, 33.6% of the teeth exhibited Vertucci type II configuration followed by type IV pattern (31.1%); 29.2% of the teeth possessed type I pattern. An additional canal configuration type XIX was found in one tooth. Isthmi and apical deltas was found in 19% and 14% of the cases, respectively.
Conclusion
: The root canal morphology of Maxillary second premolars can be complex and requires careful evaluation prior to endodontic therapy.
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DENTAL MATERIALS
Dental amalgam: An update
Ramesh Bharti, Kulvinder Kaur Wadhwani, Aseem Prakash Tikku, Anil Chandra
October-December 2010, 13(4):204-208
DOI
:10.4103/0972-0707.73380
PMID
:21217947
Dental amalgam has served as an excellent and versatile restorative material for many years, despite periods of controversy. The authors review its history, summarize the evidence with regard to its performance and offer predictions for the future of this material. The PubMed database was used initially; the reference list for dental amalgam featured 8641 articles and 13 publications dealing with recent advances in dental amalgam. A forward search was undertaken on selected articles and using some author names. For the present, amalgam should remain the material of choice for economic direct restoration of posterior teeth. When esthetic concerns are paramount, tooth-colored materials, placed meticulously, can provide an acceptable alternative. All alternative restorative materials and procedures, however, have certain limitations.
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REVIEW ARTICLE
Vertical root fractures and their management
Sandhya Anand Khasnis, Krishnamurthy Haridas Kidiyoor, Anand Basavaraj Patil, Smita Basavaraj Kenganal
March-April 2014, 17(2):103-110
DOI
:10.4103/0972-0707.128034
PMID
:24778502
Vertical root fractures associated with endodontically treated teeth and less commonly in vital teeth represent one of the most difficult clinical problems to diagnose and treat. In as much as there are no specific symptoms, diagnosis can be difficult. Clinical detection of this condition by endodontists is becoming more frequent, where as it is rather underestimated by the general practitioners. Since, vertical root fractures almost exclusively involve endodontically treated teeth; it often becomes difficult to differentiate a tooth with this condition from an endodontically failed one or one with concomitant periodontal involvement. Also, a tooth diagnosed for vertical root fracture is usually extracted, though attempts to reunite fractured root have been done in various studies with varying success rates. Early detection of a fractured root and extraction of the tooth maintain the integrity of alveolar bone for placement of an implant. Cone beam computed tomography has been shown to be very accurate in this regard. This article focuses on the diagnostic and treatment strategies, and discusses about predisposing factors which can be useful in the prevention of vertical root fractures.
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CASE REPORTS
The stamp technique for direct Class II composite restorations: A case series
Saaid Ayesh Alshehadat, Mohamad Syahrizal Halim, Koh Carmen, Chew Shi Fung
September-October 2016, 19(5):490-493
DOI
:10.4103/0972-0707.190021
PMID
:27656074
Background:
“Stamp” technique is a new method for placing large composite restorations with accurate occlusal topography. It was introduced mainly to restore Class I cavities and erosively damaged teeth. This technique is indicated when the preoperative anatomy of the tooth is intact and not lost due to the carious lesion. A precise tooth-like filling an accurate functional occlusion is obtained when the stamp technique is applied. However, using this technique to restore Class II cavities is not established yet.
Aim:
To introduce modifications of the stamp technique that make it applicable to restore Class II composite restorations.
Materials and Methods:
The traditional materials and tools used for direct composite restorations are needed with no additional instruments. Clinical illustrations and step-by-step description are provided in this paper.
Results and Conclusion:
Using the stamp technique to restore Class II cavities is achievable, simple and practical, and result in a very accurate anatomical restoration.
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ARTICLES
Treatment of an isolated furcation involved endodontically treated tooth - a case report
Sunitha Raja, Guber Nath, Pamela Emmadi, Ramakrishnan , Ahathya
October-December 2007, 10(4):129-133
DOI
:10.4103/0972-0707.43033
Thu successful long-term management of multi-rooted teeth with attachment loss extending into the furcation has been one of the greatest challenges to dentist. Furcation-involvement is not a separate
entity but just an extension of inflammation into the: bi or trifurcation region. However treatment of lesions extending into this region becomes complicated due to the difficulty in instrumentation. Several treatment modalities have been proposed based on the grade of furcation involvement. This paper presents a case report of an endodontically, treated tooth with a furcation involvement. The interdependence of perio-endo lesions and the consequences of inadequate periodontal therapy following endodontic therapy is stressed in this Paper.
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REVIEW ARTICLE
Gutta-percha in endodontics - A comprehensive review of material science
Vijetha Vishwanath, H Murali Rao
May-June 2019, 22(3):216-222
DOI
:10.4103/JCD.JCD_420_18
PMID
:31367101
The complete and three-dimensional fluid tight seal of the root canal system is the final component of the endodontic triad. The long-standing and closest material which has fulfilled this criterion is gutta-percha (GP). Several materials have been tried and tested as an endodontic filling material, of which GP has been most extensively used for years and has established itself as a gold standard. In addition, it has proved itself successful with different techniques of obturation while maintaining its basic requisites. This article deals briefly with the history and evolution of GP, source, chemical composition, manufacturing, disinfection, cross-reactivity, and advancements in the material.
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REVIEW ARTICLES
Apexification: A systematic review
Fabricio Guerrero, Asunción Mendoza, David Ribas, Karla Aspiazu
September-October 2018, 21(5):462-465
DOI
:10.4103/JCD.JCD_96_18
PMID
:30294103
Pulpal necrosis in permanent teeth that have not completed their root development leads to teeth with a very short root, roots with very thin walls, and an inadequate crown-root ratio, which overshadows their survival prognosis. Currently, there are various therapies to treat immature permanent teeth with pulpal pathology such as the case of apexification. An electronic search was performed in the PubMed database (www.ncbi.nlm.nih.gov), Scopus (www.scopus.com), Cochrane (www.cochrane.org) to identify the clinical investigations related to evolution of the cases. The search of the literature of clinical studies on permanent teeth with open apex that present pulpar pathology and that need treatment, have been found 11 clinical studies of treatments with apexification. The apexification by calcium hydroxide has been applied for many years back to the present as a valid therapy to perform the treatment of apexification.
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INVITED REVIEW
Sleep bruxism: Current knowledge and contemporary management
Adrian U.J. Yap, Ai Ping Chua
September-October 2016, 19(5):383-389
DOI
:10.4103/0972-0707.190007
PMID
:27656052
Bruxism is defined as the repetitive jaw muscle activity characterized by the clenching or grinding of teeth. It can be categorized into awake and sleep bruxism (SB). Frequent SB occurs in about 13% of adults. The exact etiology of SB is still unknown and probably multifactorial in nature. Current literature suggests that SB is regulated centrally (pathophysiological and psychosocial factors) and not peripherally (morphological factors). Cited consequences of SB include temporomandibular disorders, headaches, tooth wear/fracture, implant, and other restoration failure. Chairside recognition of SB involves the use of subjective reports, clinical examinations, and trial oral splints. Definitive diagnosis of SB can only be achieved using electrophysiological tools. Pharmacological, psychological, and dental strategies had been employed to manage SB. There is at present, no effective treatment that “cures” or “stops” SB permanently. Management is usually directed toward tooth/restoration protection, reduction of bruxism activity, and pain relief.
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ENDODONTICS
Nonsurgical management of periapical lesions
Marina Fernandes, Ida de Ataide
October-December 2010, 13(4):240-245
DOI
:10.4103/0972-0707.73384
PMID
:21217952
Periapical lesions develop as sequelae to pulp disease. They often occur without any episode of acute pain and are discovered on routine radiographic examination. The incidence of cysts within periapical lesions varies between 6 and 55%. The occurrence of periapical granulomas ranges between 9.3 and 87.1%, and of abscesses between 28.7 and 70.07%. It is accepted that all inflammatory periapical lesions should be initially treated with conservative nonsurgical procedures. Studies have reported a success rate of up to 85% after endodontic treatment of teeth with periapical lesions. A review of literature was performed by using electronic and hand searching methods for the nonsurgical management of periapical lesions. Various methods can be used in the nonsurgical management of periapical lesions: the conservative root canal treatment, decompression technique, active nonsurgical decompression technique, aspiration-irrigation technique, method using calcium hydroxide, Lesion Sterilization and Repair Therapy, and the Apexum procedure. Monitoring the healing of periapical lesions is essential through periodic follow-up examinations.
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Online since 10
th
June, 2008