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At least 577 records · Page 32Linked to original sources
PubMed1997

Aesthetic considerations in endodontics: internal bleaching.

During endodontic treatment of any tooth, aesthetics must be considered in the same manner as during any other dental treatment. The most common aesthetic challenge associated with endodontics is the discoloration of natural tooth structure. The discoloration may be a result of pulp pathosis, especially pulpal hemorrhage prior to or during treatment, or it may be due to various endodontic and restorative materials placed in the pulp chamber. There are several simple measures that can be utilized during and following endodontic treatment to eliminate or reduce aesthetic deficiency. The learning objective of this article is to discuss internal bleaching of discolored pulpless teeth that have been endodontically treated. The discussion includes the chemical composition of bleaching agents and principles by which they function during the bleaching procedures.

Humans↗
PubMed2006

Short-term side effects of 0.2% alcohol-free chlorhexidine mouthrinse used as an adjunct to non-surgical periodontal treatment: a double-blind clinical study.

BACKGROUND: The aims of this clinical study were to evaluate the short-term subjective (by means of questionnaire) and objective (by means of clinical examination) side effects of 0.2% chlorhexidine (CHX) mouthrinse without alcohol used as an adjunct to non-surgical periodontal treatment and to elucidate the relationship between the subjective and objective evaluations. METHODS: This was a randomized, double-blind, placebo-controlled clinical trial with two groups: 1) the test group, rinsing with the test product (0.2% CHX without alcohol) twice per day for 1 week, and 2) the control (placebo) group, rinsing with a placebo solution twice per day for 1 week. Following the start of rinsing, patients were subjectively and objectively evaluated for the presence and severity of side effects (pain, burning sensation, pruritus, dryness of mouth, taste disturbance, mucosal irritations, and discoloration of tooth and tongue surfaces) at days 1, 3, and 7 of the rinsing period. The presence of subjective and objective side effects of the groups was compared via use of chi2 and Fisher exact tests. Analysis of the subjective and objective side effects within the evaluation periods was done by McNemar test. Spearman correlation analysis was used to assess the relationships between the subjective and objective side effects. RESULTS: None of the patients in either group complained of dryness of the mouth. The most commonly reported side effect was the change in color of the labial and buccal mucosa, particularly of the gingiva, after day 3 of rinsing. There were significant (r=0.308 to 0.835; P<0.05) correlations between the discolorations of tongue and tooth surfaces reported by the patients and clinically detected at all evaluation periods. There was a significant and positive relationship between the subjective side effects and the soft tissue irritations when the duration of rinsing increased. CONCLUSION: Within the limits of this clinical evaluation, rinsing with 0.2% alcohol-free CHX for 1 week caused more irritation to oral mucosa, greater burning sensation, and increased altered taste perception compared to the placebo rinse.

Adolescent↗
PubMed2000

Microabrasion of teeth with discoloration resembling hypomaturation enamel defects: four-year follow up.

Microabrasion with 18% HCl and pumice to remove enamel dysmineralization and improve esthetics is an accepted and effective treatment. This technique can probably be extended even to generalized defects resembling hypomaturation amelogenesis imperfecta that appear on all erupted teeth. Five children aged 9 to 11 with two types of enamel-hypomaturation probably due to developmental defects were treated successfully by microabrasion, with marked improvement of the discoloration. The patients were followed for up to four years. During this period, no tooth-sensitivity or staining was noted. The teeth looked healthier and shinier.

Amelogenesis Imperfecta↗