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At least 523 records · Page 29Linked to original sources
PubMed2000

Preliminary report on the effect of Nd: YAG laser irradiation on canine tooth pulps.

OBJECTIVE: To study the effects of Nd: YAG laser irradiation on the canine tooth pulps. METHODS: The crown pulp of dog was exposed and excised by ND: YAG laser irradiation. Histopathological examination was used to check changes of the tissues in root canal and periodontium. RESULTS: The pulp of the crown could be successfully excised by Nd: YAG laser without harmful changes in either root canal or periodontal tissues. CONCLUSION: This study may provide an experimental basis for the clinical possibility of crown pulp excision by using Nd: YAG laser irradiation.

Aluminum Silicates↗
PubMed2000

Clinical evaluation of electronic dental anesthesia for various procedures in pediatric dentistry.

Electronic dental anesthesia (EDA) is a newer technique for achieving regional anesthesia by the application of transcutaneous electrical nerve stimulation (TENS). The present study intended to be an initial investigation of the attitudes of dentists and patients towards a relatively newly introduced EDA system. The purpose of the study was to evaluate the effectiveness of EDA system, a unit of TENS, in the management of pain during treatment procedures such as minor extractions, restorations (tooth preparations), and pulp therapy, in children. Overall, forty children between the age groups of 5 to 12 years were selected for three different clinical procedures. The response of the patients as well as the opinion of both, the clinician and the patient regarding perception of pain and comfort on administration I effectiveness of electronic anesthesia were recorded and analyzed. Significantly favorable results to the use of EDA were obtained, which indicate that EDA, besides offering safety and psychological advantages, may also be a promising alternative to the conventional methods of local anesthesia.

Anesthesia, Dental↗
PubMed2000

[Pain in intracanal treatment. A clinical study apropos of 150 cases].

This study was conducted to determine the incidence of pain during and after root canal treatment. Complete debridement and root canal preparation was performed in first visit. The frequency of pain was recorded and evaluated in 150 patients receiving root canal treatment. Results has shown that incidence of pain was 6.66% root canal preparation in vital teeth and 21% in non-vital teeth (necrosis). Post-obturation pain occurred in 18.75% for vital teeth and 13.15% non-vital teeth (necrosis).

Chi-Square Distribution↗
PubMed2001

Three-year follow up assessment of Class II restorations in primary molars with a polyacid-modified composite resin and a hybrid composite.

PURPOSE: To evaluate the 3-year success rate of Class II restorations in primary molars performed with Compoglass, a polyacid-modified resin-based composite (compomer) and TPH-Spectrum, a hybrid resin-based composite. MATERIAL AND METHODS: In a dental practice, in each of 52 children at least two primary molars were restored. 96 primary molars were restored with TPH-Spectrum using the total-etching-technique and 94 with Compoglass without acid etching prior to application of the bonding adhesive. The restorations were assessed at baseline (1996) and after 1 and 2 yrs according to the Ryge criteria. After 3 yrs the restorations (46 Compoglass, 46 TPH-Spectrum) of 35 children were re-evaluated. RESULTS: After 3 yrs the cumulative success rate according to the Kaplan-Meier-estimation was 79.5% for the Compoglass and 85.8% for the TPH-Spectrum restorations. No significant differences were observed between the two materials with respect to color matching, cavosurface discoloration, anatomic form, margin integrity and caries assessment. The present investigation revealed that TPH-Spectrum and Compoglass are suitable materials for restoring primary molars. CLINICAL SIGNIFICANCE: After an observation period of 3 years, both TPH-Spectrum and Compoglass demonstrated acceptable clinical results.

Acid Etching, Dental↗
PubMed2001

Uses of ultrasonic instrumentation in endodontics.

Ultrasonic instrumentation has added a new horizon to endodontic treatment possibilities. It is a tool in the arsenal of instruments currently used by almost every endodontist in the United States. The use of ultrasonic instrumentation was formerly confined solely to periodontics, but has slowly come to be an indispensable tool in endodontics as well.

Dental Pulp Cavity↗
PubMed2000

Decoronation: how, why, and when?

Decoronation is a surgical method for treating ankylosed incisors in children and adolescents. The crown and root filling are removed, leaving the root in situ to be resorbed and covered with a mucoperiosteal flap. Early loss of a permanent tooth leads to loss of alveolar bone, especially in buccopalatal width. Decoronation preserves not only the width of the ridge but also the vertical height.

Adolescent↗
PubMedDate not supplied

Comparison of ferric sulfate, formocresol, and a combination of ferric sulfate/formocresol in primary tooth vital pulpotomies: a retrospective radiographic survey.

Studies have suggested that formocresol has toxic and carcinogenic potential. A search for an alternative medicament for primary tooth pulpotomies has led to ferric sulfate as a possible alternative. A retrospective study was done in a multipractitioner IHS (Indian Health Service) clinic. Radiographic success or failure was determined for 202 primary tooth pulpotomies performed with either formocresol, ferric sulfate, or a combination procedure of formocresol and ferric sulfate. The post-operative period for the pulpotomies ranged from one month to thirty-six plus months. There was no statistical difference in radiographic failure rates between formocresol, ferric sulfate, or the combination procedure when results were analyzed regardless of post-op period. However, when post-op periods were considered, formocresol performed better at > 36 months and the combination procedure showed significantly more failures at > 36 months.

Arizona↗
PubMedDate not supplied

The use of stainless steel crowns.

The stainless steel crown (SSC) is an extremely durable restoration with several clear-cut indications for use in primary teeth including: following a pulpotomy/pulpectomy; for teeth with developmental defects or large carious lesions involving multiple surfaces where an amalgam is likely to fail; and for fractured teeth. In other situations, its use is less clear cut, and caries risk factors, restoration longevity and cost effectiveness are considerations in decisions to use the SSC. The literature on caries risk factors in young children indicates that children at high risk exhibiting anterior tooth decay and/or molar caries may benefit by treatment with stainless steel crowns to protect the remaining at-risk tooth surfaces. Studies evaluating restoration longevity, including the durability and lifespan of SSCs and Class II amalgams demonstrate the superiority of SSCs for both parameters. Children with extensive decay, large lesions or multiple surface lesions in primary molars should be treated with stainless steel crowns. Because of the protection from future decay provided by their feature of full coverage and their increased durability and longevity, strong consideration should be given to the use of SSCs in children who require general anesthesia. Finally, a strong argument for the use of the SSC restoration is its cost effectiveness based on its durability and longevity.

Child↗
PubMed2002

[A study on safety of opening pulp chamber therapy for patients with a history of remote myocardial infarction].

OBJECTIVE: To study the indication and contraindication of opening pulp chamber therapy for patients with a history of remote myocardial infarction. METHODS: Blood pressure (BP), heart beat rate and electrocardiographic examination were determined during opening pulp chamber therapy in patients with acute and chronic pulpititis and a history of remote myocardial infarction. RESULTS: High blood pressure and quick heart beat were found during local anaesthetic injection and opening of pulp chamber (during local anaesthetic injection BP increased by 12.52/8.04 mmHg, heart rate by 4.02 times/min;during opening of pulp chamber BP and heart rate increased by 15.43/8.0 mmHg, 6.37 times/min respectively). Electrocardiogram showed myocardial ischemic pattern deteriorated in some patients with the history of coronary insufficiency. CONCLUSIONS: Most patients can bear it. Comprehensive physical examinations, evaluations of the patients' cardial status, mental state and indispensible equipment are necessary. The therapy is recommended to be operated under the monitor electrocardiography for the safety of the patients.

Acute Disease↗
PubMedDate not supplied

Management of Class III crown fractures in the permanent dentition.

Management of Class III crown fractures in the permanent dentition can be both challenging and rewarding for practitioners. Several of the techniques described require further investigation to determine clinical efficacy based on scientific research. In addition to evidence-based protocols, treatment outcomes will continue to be related to the technical proficiency of the dentist, including diagnostic acumen and appropriate treatment planning decisions. A treatment planning decision paradigm, as described in this article for management of Class III fractures to permanent teeth, is summarized in Table 1.

Clinical Protocols↗