The interrelationship of restorative dentistry and periodontics is a dynamic one. We have reviewed the various guidelines for performing periodontally compatible restorative dentistry. Using these basic guidelines, restorative care can be used to directly aid periodontal treatment by restoring an esthetically pleasing, comfortable and stable dentition. This article addresses the interactions between periodontal tissues and restorative procedures.

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Variation of root canal anatomy is always a challenge for accurate diagnosis and successful endodontic therapy. A thorough knowledge of most common anatomic characteristics and their possible variations is essential for the clinician. The hard tissue repository of the human dental pulp takes on numerous configurations and shapes. These aberrations occur so often that they can be considered as normal anatomy. Radix entomolaris (RE) is one such aberration where an extra root is present on the distolingual aspect of mandibular first molar (molar with 3 roots). This article presents two case reports of mandibular first molars with extra roots which was successfully treated. Also mentioned are the modifications in the canal preparation, problems encountered during treatment, common iatrogenic errors which occur during treatment and factors which affect the prognosis.

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Introduction: This in vitro study compared the sheer bond strength of three different company light cure adhesives namely Transbond XT, Resilence bond and Ormco Enlight, when cured with plasma arc curing light and a conventional tungsten- quartz-halogen curing light. Methods: The sample for this study included 180 freshly extracted maxillary first premolars. They were divided into six equal groups of 30 samples each. The bonding was done by the same operator to standardize the technique. Each bracket was cured for three seconds on either proximal side for plasma arc group and for 20 seconds on either proximal side for tungsten-auartz halogen group. The shear tests were performed using the LLOYD universal testing machine and the point of breakage for each sample was recorded in megapascal. Results: The mean shear bond strength values obtained for Group 1 (Transbond XT), Group 2 (Resilence bond) and Group 3 (Ormco Enlight), cured with plasma arc light cure unit were 15.60 MPa, 14.14 MPa and 14.68 MPa, respectively. The mean shear bond strength values obtained for Group 4 (Transbond XT), Group 5 (Resilence bond) and Group 6 (Ormco Enlight), cured with tungsten-quartz halogen light cure unit were 14.57 MPa, 13.67 MPa and 14.26 MPa, respectively. Conclusion: Plasma arc lights are an advantageous alternative to conventional light-curing because they significantly reduce the curing time of orthodontic brackets and thereby save chair side time without compromising bond strength.

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Injuries to the face and facial bones are very common following any road traffic accident. Most of the time the patient is lost due to delay in the patient reaching the emergency care at the earliest. They reach only after the 'Golden hour' has elapsed. This article throws some light on what a faciomaxillary surgeon can offer to the accident victim during the initial one-hour and thereafter following any injury to the face. Faciomaxillary surgeons are also a neglected lot during this time in the hospital as other specialists treat most of the facial injuries.

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A variety of interpositional materials have been used in the past to prevent recurrence following gap arthroplasty to relieve TMJ ankylosis. In our study, the temporalis fascia and muscle flap has been used as an interpositional material in 14 cases and the results have been promising over a 4-year postoperative study period.

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Composites are being widely used in day-to-day clinical practice. Though, numerous researches are being successfully carried out, polymerization shrinkage still seems to be a clinical hindrance. Megafillers are being used to overcome this. Only few types of megafillers are available but their cost is a major drawback. In this study, three innovative megafillers are used to reduce the polymerization shrinkage and hence improve the marginal adaptation of resin composite. The efficacy of these megafillers was evaluated using dye leakage.

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Transmigration refers to unerupted tooth that has moved away from its normal developing position and crossed the midline. Transmigration is a rare anomaly and the incidence has been reported to be 0.1%. Most of the transmigrated teeth remain impacted, but infrequently they may erupt ectopically. This is a case report of a 17-year-old female with transmigrated canines.

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A case report is presented of a mild skeletal Class III malocclusion, with a closed bud phenomena in the upper left quadrant, represented by a severely rotated maxillary central incisor, and a buccally placed canine enclosing a palatally placed lateral, with a wide gaping maxillary median diastema, compromising esthetics and articulation. The case was treated with preadjusted edgewise appliance therapy (Roth's prescription) without extractions, to restore functional esthetics.

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Crown fracture of the maxillary anterior teeth is the most common dental injury. Reattachment of the tooth fragment with dual cure resin and fiber post is the treatment of choice for such cases. It provides immediate esthetic and functional rehabilitation. Two cases of fractured maxillary anterior teeth treated with different methods in reattaching the fractured fragments using dual cure resin and fiber posts are presented here.

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Pleomorphic adenoma is a benign tumor originating from the mature salivary tissue. Ectopic pleomorphic adenoma is defined as an unusual presentation of pleomorphic adenoma in other sites except the major salivary gland and the minor salivary gland. Ectopic pleomorphic adenoma has been found in the soft tissue of the neck, in the skin of the external auditory canal, in the subcutaneous layer of the nose, and in the lymph node of the mediastinum. Ectopic pleomorphic adenoma could appear due to the metastasis, the neoplastic degeneration of the ectopic salivary tissue or the implantation after the surgery of a salivary gland tumor. We present a case of pleomorphic adenoma found in the superficial subcutaneous layer above the superficial musculoaponeurotic system (SMAS) of the anterior border of masseter muscle over the body of the mandible area. The patient had no history of trauma or surgery of the salivary tumor and no specific physical finding. No case of the ectopic salivary tissue or ectopic pleomorphic adenoma in the superficial subcutaneous layer of the anterior border of masseter muscle over the body of the mandible area has been reported. This case could be a rare presentation of the ectopic pleomorphic adenoma from the ectopic salivary tissue arising from the division of the parotid gland in early embryonic period.

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Microorganisms play a major role in dental diseases, especially in periodontics. In this study, enzyme β-glucuronidase levels were estimated and were correlated with the presence of subgingival microorganisms causing periodontitis.

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