Sidhartha Sharma

All India Institute of Medical Sciences | AIIMS · Department of Conservative Dentistry and Endodontics Centre for Dental Education and Research

Introduction The aim of this cone-beam computed tomographic (CBCT) study was to evaluate the association between the mesiobuccal (MB) root canal configuration (RCC), inter-orifice distance (IOD) and the corresponding root length of permanent maxillary first molar tooth Methods 100 CBCT scans obtained from the computerized data bank of the institut...

Severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) is a highly contagious zoonotic virus that originated from Wuhan, China, in December 2019. The resulting disease known as COVID‐19 was declared as a pandemic by WHO on March 11, 2020. As of April 25, 2020, more than 2.72 million cases have been reported across 213 countries and territorie...

Objectives To comparatively evaluate the efficacy of photo-activated disinfection (PAD), calcium hydroxide (CH) and their combination on the treatment outcome of indirect pulp treatment (IPT). Materials and Methods Institutional ethical clearance and informed consent of the patients were taken. The study was also registered with clinical registry...

Multiple idiopathic cervical root resorption (MICRR) is a rare condition. The etiology is unknown and occurs spontaneously in healthy controls in the absence of local, systemic, or any other plausible cause. The teeth themselves appear clinically normal. The pattern of resorption begins in cementoenamel junction and can progress rapidly over a shor...

The time elapsed from the development of the perforation is a critical factor influencing the posttreatment prognosis. Long‑standing perforations usually show a worse prognosis than fresh perforations. Mineral trioxide aggregate (MTA) is widely used to seal perforations because of its biocompatibility and sealing ability in the presence of blood an...

Objectives To assess the effect of cryotherapy on haemostasis, post-operative pain, and the outcome of full pulpotomy performed in mature permanent teeth with symptomatic irreversible pulpitis. Materials and methods The study included sixty mature permanent mandibular molar teeth with symptomatic irreversible pulpitis and no periapical rarefaction...

Background Dentinal microcracks formed during apical resection may lead to increased susceptibility to root fracture and improper sealing of apical preparation that may negatively influence the outcome of endodontic microsurgery. Aims This study was performed to analyze the root-end surface for dentinal microcracks using a scanning electron micros...

The purpose of this systematic review and meta-analysis is to conduct a comparative evaluation of partial and full pulpotomy techniques in cariously exposed teeth with symptoms indicative of symptomatic irreversible pulpitis. Databases such as PubMed, EMBASE, Cochrane, and Web of Science were searched. Studies evaluating and/or comparing clinical a...

Aim Lack of unanimity in decision-making regarding the management of deep caries and exposed pulp has been highlighted by several questionnaire-based studies from various geographic regions. There is no research available in the Indian setting. The aim of the present study was to evaluate the perspectives of the Indian Endodontic Society and Indian...

Objective To investigate the influence of severity of periodontal disease on periapical healing after non-surgical endodontic therapy (NSET). Material and methods In this prospective study, subjects (n = 45) requiring NSET in a mandibular molar tooth with the diagnosis of pulp necrosis and asymptomatic apical periodontitis exhibiting radiographic...

Aim This study aimed to assess the shape, size, symmetry, and location of mental foramen (MF) in relation to mandibular dental and skeletal landmarks using cone-beam computed tomography (CBCT). Methods This retrospective observational study was performed on 135 CBCT images of 74 males (mean age 36.16 ± 13.49 years) and 61 females (mean age 37.13 ±...

The purpose of this review is to determine the effectiveness of intracanal medicament (ICM) on periodontal and periapical healing (PH) of concurrent endodontic-periodontal lesions with/without communication in permanent teeth. The pre-defined protocol was registered in PROSPERO, and a literature search using keywords was conducted on PubMed, Scopus...

Introduction Evidence-based endodontics improves patient care by combining clinical competence, research, and patient values. This review critically assessed scientific studies at an Indian national endodontic conference. Materials and Methods Scientific research papers presented at the 30 th National Endodontic Conference of the Indian Endodontic...

Aim: This study aims to investigate the irrigation dynamics in an immature tooth during positive and negative pressure irrigation using a computational fluid dynamics (CFDs) model. Materials and Methods: Cone-beam computed tomography scan of the maxillary central incisor with Cvek's stage III root development was used for the reconstruction of the...

The management of the deep carious lesion with reversible pulpitis is a dilemma for the dentist. The current study compared selective removal of soft dentine (SRSD) to full pulpotomy for treating proximal deep carious lesions in teeth with reversible pulpitis. Visual-tactile examination and bitewing radiographs were used to determine the depth of c...

Introduction: The study evaluated the influence of coronal restoration after pulpotomy on the strength of electrical stimulus reaching the radicular pulp using an electric pulp test (EPT). Materials and methods: The pulp tissue from ten freshly extracted mandibular premolar teeth was removed and replaced with an electroconductive gel. The cathod...

Introduction The scaffolds used in regenerative endodontic therapy (RET) provide structural support for cells so that they can adhere to the scaffolds and also are crucial for cellular proliferation and differentiation. The objective of this network meta-analysis was to compare effects of different intracanal scaffolds on success outcomes of RET....

Aim: The aim of this cone-beam computed tomography (CBCT) based study was to evaluate the outcome of non-surgical root canal treatment (RCT) performed for the management of large cyst like periapical lesions (LCPL) and to identify the predictive factors affecting healing. Methodology: 54 subjects (77 permanent maxillary anterior teeth) with LCPL...

The advent of 3D imaging, 3D virtual planning, and 3D printing has sparked considerable interest in endodontics. 3D printing technology has a wide range of applications in endodontic education, patient care, and research. The majority of applications have been in managing teeth with calcified pulp canals via guided access opening. It entails the ac...

Radiation therapy, either used alone or in combination with surgery and or chemotherapy, is the most commonly utilized modality for treating head and neck cancers. Patients undergoing radiation therapy usually experience significant early and late-onset toxicities/adverse effects. Radiation-related caries (RRC) is a common complication that detrime...

Aim: The aim of this systematic review was to compare the effect of body temperature (I) on the cyclic fatigue resistance (O) of nickel-titanium (NiTi) endodontic instruments (P) to that of room temperature (C). Methods: The study was registered in the PROSPERO database (CRD42020204286). A systematic search in PubMed, Scopus, Web of Science, Goo...

Cone‐beam computed tomography scans exhibiting a second mesiobuccal (MB2) canal were examined. The vertical distance of the MB2 orifice from the pulp floor (depth), inter‐orifice distance (IOD) of MB2 from mesiobuccal (MB) and palatal (P) orifices, the horizontal distance of the MB2 orifice from the line joining MB‐P orifices [mesial deviation (MD)...

Background: Regenerative endodontic procedures (REP) have the advantage of restoring root canal's native defense ability by re-establishing vital pulp-like tissue. This review aims to determine the overall clinical and/or radiographic success rate (O) of REP (I) in mature permanent teeth (P) and to compare it (C) with nonsurgical endodontic treatm...

Introduction The management of traumatic dental injury aims at functional and aesthetic rehabilitation. After luxation injury, a displaced tooth must be replaced into its normal position as soon as possible. Incorrect tooth repositioning can cause discomfort to the patient and compromise the outcome. This report documents a novel digital technology...

Üblicherweise wird ein permanenter Unterkiefermolar mit symptomatischer irreversibler Pulpitis mit einer Wurzelkanalbehandlung erfolgreich therapiert. In den letzten Jahren wurde jedoch vermehrt versucht, diese Zähne mit einer Pulpotomie zu behandeln. Die Erfolgsrate einer Pulpotomie an permanenten Zähnen nimmt jedoch ab, wenn sie an Zähnen mit per...

Background/aim: Tooth avulsion (TA) is a severe form of traumatic dental injury. The tooth's prognosis depends on the immediate measures taken. First responders are often laypeople, and the Internet is a favored platform to access health-related information. The aim of this descriptive study was to evaluate the accuracy, quality, readability, and...

Stevens-Johnson syndrome (SJS) is a rare medical condition with severe mucocutaneous reaction due to infection or adverse drug reaction. The present case reports the impact of chloroquine-induced SJS on the tooth root development. A 20-year-old Indian male reported to conservative dentistry and endodontics speciality clinic with the chief complaint...

Mucormycosis is a life-threatening, opportunistic, deep fungal infection frequently evident in patients with moderate to severe forms of COVID-19. It is usually detected within 2-8 weeks after the onset of symptoms and is categorized into six types depending on its location. The rhinocerebral form is most prevalent and involves orofacial structures...

Objective The study aimed to apply convolutional neural network (CNN) to score periapical lesion on an intraoral periapical radiograph (IOPAR) based on the periapical index (PAI) scoring system.Materials and methodsA total of 3000 periapical root areas (PRA) on 1950 digital IOPAR were pre-scored by three endodontists. This data was used to train th...

Background: Despite the high prevalence of traumatic dental injuries (TDIs), parents generally lack awareness about dental trauma emergency management. This preliminary study's goal was to assess parents'/guardians' awareness of the treatment of tooth fractures/avulsion. Materials and methods: A preformed questionnaire in e-format was sent to pa...

Introduction This retrospective study analysed the twelve-month pulp sensibility (cold and electric) test response following mineral trioxide aggregate (MTA) full pulpotomy in mature permanent teeth with symptomatic irreversible pulpitis. Methods Records of 120 subjects from three completed and one ongoing clinical study on MTA full pulpotomy were...

Context: A wire composite splint (WCS) is most commonly used in clinical practice for the management of luxation dental injuries (LDIs). Wire thickness and adhesive point dimensions influence the rigidity of WCS. However, the influence of presplint tooth mobility on the rigidity of splint is not yet addressed. Aim: The aim of this study is to id...

Aim: This study aims to investigate the prevalence of palatogingival groove (PG) in anterior maxillary teeth in an Indian cohort using cone beam computed tomography (CBCT) scans. Study design: Retrospective study. Materials and methods: Analysis of 119 CBCT scans (64 males, 55 females, and mean age 31.6 ± 13.5 years) was performed. The data of...

Aim To assess the influence of occlusal and proximal deep carious lesion on the outcome of full pulpotomy performed in mandibular teeth with pulpal diagnosis of symptomatic partial irreversible pulpitis. Methodology Eighty deep carious mandibular molar teeth with clinical and radiographic diagnosis of symptomatic partial irreversible pulpitis with...

Objective: To observe the incidence of post-operative pain after single-visit Non-Surgical Endodontic Therapy (NSET) in teeth with symptomatic apical periodontitis disinfected with Photo-Activated Disinfection (PAD). Methods: Single-rooted teeth (N=30) with pulp necrosis and symptomatic apical periodontitis were included. Subsequent to chemo mechan...

Aim To present the endodontic management of a patient diagnosed with a high flow arterio‐venous malformation (AVM) requiring endodontic treatment and to discuss the relevant endodontic literature for this rare but significant problem. Summary AVM is a complex communication of an artery and a vein in which the oxygenated blood is forced away from t...

Context: Coronavirus disease 2019 (COVID-19) is declared as a global pandemic by the WHO. Due to lack of proper vaccine, social distancing and restriction of movement in the form of“lockdown” have been implemented to curb the spread. This has crippled dental care in the country. Aims: The aim of this article is to highlight the management of endodo...

Aim To investigate the correlation between the concentration of active‐matrix metalloproteinases‐9 (aMMP‐9) in pulpal blood and the outcome of pulpotomy in mature permanent teeth with symptomatic irreversible pulpitis (SIP). Methodology Forty permanent molar teeth with a clinical diagnosis of SIP and normal apical tissues with periapical index (PA...

Introduction This prospective study evaluated the outcome of a combination of nonsurgical endodontic (NSET) and vital pulp therapy (VPT) for the management of mature permanent mandibular molar teeth with symptomatic irreversible pulpitis (SIP) and apical periodontitis (AP). Methods Institutional ethical clearance was obtained. Mandibular molar tee...

Palliative care (PC) represents an approach that encompasses the procedures to relieve pain and distressing symptoms and maintain function as much as possible in the terminally ill patient until death. PC dentistry (PCD) is an approach for providing supportive and palliative dental care in patients with serious life‐threatening illness (cancer, chr...

Regenerative endodontics (RE) is a dynamic field with widespread global impact. The aim of this bibliometric analysis is to highlight India's contribution in the field. Electronic search was performed in PubMed and Web of Science database till December 2019 using the search terms "Dental pulp regeneration," "Pulp revascularisation," "Revitalisation...

Objective: Periapical extrusion is frequently observed during endodontic therapy. It can lead to acute injury of periapical tissues, resulting in interappointment pain or swelling. The effect is pronounced in teeth with immature teeth which are more susceptible to the extrusion of irrigant. The aim of this study was to evaluate the effect of gravit...

Dens invaginatus (DI) is a dental developmental abnormality, probably resulting from an infolding of the dental papilla during tooth development. The following case report presents a case of Type III DI with apicomarginal defect and peri-radicular lesion, diagnosed with cone-beam computed tomography scan and treated with combined orthograde endodon...

Context: In India, teeth cleaning with tooth powder is common in rural and semi-urban areas. These dentifrices may contain low-quality abrasives, which may have a deleterious effect on dental hard tissues. Aims: This study aims to evaluate the tooth substance loss caused by different dentifrices and to correlate it with chemical composition, size,...

Prosthetic rehabilitation of grossly decayed teeth is a challenge. The treatment options range from nonsurgical endodontic therapy to extraction and subsequent placement of dental implants. Tooth transplantation involves placement of an impacted, embedded or erupted autogenous tooth from one site into an extraction site. It is a time tested, predic...

The study aims at determining pulp response of two high fluoride releasing materials silver diamine fluoride (SDF) and Type VII glass ionomer cement (GIC) when used as indirect pulp treatment (IPT) materials. Deep Class V cavities were made on four first premolars indicated for extraction for orthodontic reasons. SDF, Type VII GIC, and calcium hydr...