What are the best options for brightening stained teeth?
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Dentists have many opportunities to expand the role of dental hygienists and provide patients with better oral health care, while increasing production and profits. But the proper business systems and verbal skills need to be incorporated. You must train hygienists to do all they can do for every patient. Begin with one service and add others, as the hygienists becomes familiar with each one. Set a goal of a 15% increase in production per year for the hygiene department. Clinicians using these strategies have experienced as much as a 100% to 200% increase in hygiene revenue during the first year of incorporating these services. An added benefit is that these dentists often see a substantial increase in dental treatment diagnosis and case acceptance. An effective and efficient hygiene department will often identify and help secure more than 50% of a doctor's production.
Scientific data from research conducted during the past decade have demonstrated the safety of the dentist-dispensed at-home whiteners containing 10% carbamide peroxide. There has been no evidence of systemic adverse effects associated with the proper use of these whitening systems. Most commonly observed local adverse effects are mild-to-moderate tooth sensitivity and/or gingival irritation, which usually do not prevent the patient from completing the whitening treatment. The sensitivity and irritation are transient in most cases, and they dissipate when the patient discontinues the use of the whitener. There is no evidence of any long-term consequences that have resulted from tooth sensitivity and/or gingival irritation. However, potential adverse effects may occur from inappropriate applications, abuses, or the use of inappropriate products. The risks of using at-home whiteners without a dentist's involvement, or using formulations with a higher peroxide content than recommended, are yet to be determined. To maximize benefits while minimizing potential risks, the author advises using at-home tooth whiteners under the supervision of a dental professional.
With the decline in dental caries, the dental profession and the general public have become sensitized to the "new" specialty of cosmetic dentistry. As a consequence, research in the field of dental materials for the ideal, most natural restorative materials and techniques has become a primary focus and has had a profound influence on dental education and practice. This brief article will highlight some of these newer concepts.
A randomized, examiner-blind, parallel-group, 3-week clinical trial evaluated the efficacy and safety of 3, popular, direct-to-consumer whitening products: a paint-on gel, a whitening dentifrice, and whitening strips. Both the paint-on gel (18% carbamide peroxide) and the whitening strips (6% hydrogen peroxide) were peroxide-based systems, while the dual-phase whitening dentifrice incorporated surface cleaning agents and sodium fluoride, but contained no peroxide. Treatment consisted of twice-daily use over 3 weeks following label instructions, except that strips were applied only during the first 14 days as per the manufacturer's instructions. Tooth color was measured on the maxillary anterior teeth from polarized digital images. Safety was assessed by examination and subject report. A total of 48 healthy adults were randomized, and 42 completed 1 or more post-baseline visits. For the primary efficacy variable delta b*, the adjusted mean +/- standard error reduction in yellowness was -0.06 +/- 0.131 for the dentifrice with no peroxide and -0.21 +/- 0.109 for the 18% carbamide peroxide paint-on gel, compared with -2.53 +/- 0.244 for the whitening strip control. Only the strip group exhibited significant (P < 0.0001) delta b* improvement. Between-group comparisons demonstrated significant and improved whitening for the strip treatment compared with the whitening dentifrice or paint-on peroxide gel, as evidenced by the more than 2-unit improvement in delta b* at week 3. Regardless of the parameter (delta b*, delta L*, delta a*, or delta E*), this represented a significant (P < 0.0001) color improvement for the whitening strips relative to both of the comparative treatments. There were no significant differences in color improvement for the 18% carbamide peroxide paint-on gel used for up to 3 weeks continuously, compared with normal brushing with a dual-phase whitening dentifrice. All products were well tolerated, with no subjects discontinuing treatment early because of adverse events. In head-to-head testing conditions, 14-day use of the 6% hydrogen peroxide whitening strips resulted in superior improvement in tooth color compared with either of the experimental controls.
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The objective of this randomized, controlled, examiner-blind, parallel-group clinical study was to determine whether a tooth-whitening gel (Colgate Simply White Night Clear Whitening Gel) can significantly lighten teeth when used once daily at night, as compared with a commercially available dentifrice. Following a baseline tooth shade evaluation using the VITA Shade Guide, qualifying adult male and female subjects from the Buffalo, New York area were randomized into 2 treatment groups, which were balanced for baseline VITA Shade Guide scores, gender, and age. The treatment groups were: (1) a commercially available dentifrice only; and (2) a tooth-whitening gel in addition to a commercially available dentifrice. Subjects assigned to the 2 groups were given the dentifrice and a soft-bristled toothbrush. In addition, subjects in one of the groups were given the tooth-whitening gel. All subjects were instructed to brush their teeth for 1 minute twice daily (morning and evening) with the dentifrice. The subjects in the group also using the tooth-whitening gel were further instructed to apply the gel once daily at night, as per manufacturer instructions. Evaluations of tooth shade for each subject were repeated after 2 weeks, and again after 3 weeks of product use. In addition, evaluations of tooth shade for subjects using the tooth-whitening gel were later conducted at 6 months after product use. Seventy-five subjects complied with the protocol and completed the study. At the 2-week and 3-week examinations, subjects using the tooth-whitening gel and dentifrice exhibited statistically significant (P < .05) tooth shade lightening relative to baseline tooth shade. Furthermore, at the 2-week and 3-week examinations, subjects using the tooth-whitening gel exhibited statistically significant (P < .05) tooth shade lightening relative to subjects using only the dentifrice. In addition, the 6-month-postuse examination showed that subjects using the tooth-whitening gel exhibited statistically significant (P < .05) tooth shade lightening relative to baseline, thereby maintaining the tooth shade lightening that was evident at 3 weeks. The results of this clinical study indicate that after once-daily use at night for 2 or 3 weeks, the tooth-whitening gel provided statistically significant tooth shade lightening relative to baseline tooth shade for up to at least 6 months and also provided statistically significant tooth shade lightening relative to a commercially available dentifrice after 2 and 3 weeks of product use.
This article describes the principles of laser operation and the clinical application of laser technology in the different fields of dentistry. It discusses the use of the Er:YAG laser in restorative dentistry, pediatric dentistry, and periodontics, as well as the introduction of a new side-firing spiral tip for efficient cleaning of the root canal system by means of lateral laser irradiation. Although the Er:YAG laser is used mostly on enamel and dentin, the gingival depigmentation procedure using this laser also is described. Clinical applications of the CO2 and diode lasers on soft tissues, particularly in the fields of oral and maxillofacial surgery and perodontics, are explained. Because teeth whitening for esthetic reasons has gained increasing popularity in dentistry, the application of diode lasers for this purpose is discussed. All the dental laser procedures described in this article are conducted at the Hebrew University-Hadassah School of Dental Medicine and are further investigated in various clinical research projects.
To execute interdisciplinary care for complex dentofacial abnormalities, a team of providers must develop a consistent philosophy and mission regarding examination, diagnostic, and treatment planning procedures. To obtain optimum therapeutic results, patients must rely on the collaborative expertise of a team. This article and case study illustrates a multidisciplinary team's role in the prosthetic and esthetic rehabilitation of the maxillary anterior region.
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Effective communication between dentist and patient before and during treatment is crucial to an optimal outcome. Careful sequential treatment planning can be enhanced by a detailed patient interview and the use of video imaging, but misunderstanding can still occur. An open dialogue between dentist and patient as treatment progresses is the key to avoiding communication failures.
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PURPOSE: Though reduction in bond strength after tooth whitening has been reported, little is known about it's effect on enamel bond strength of two-step bonding systems that exclude phosphoric acid etching prior to bonding agent application. The purpose of this study was to determine the effect of whitening procedure using an in-office whitening agent on enamel bond strength of self-etching primer systems. METHODS: Three self-etching primer systems, Imperva Fluoro Bond, Mac Bond II, Clearfil SE Bond, and a one-bottle adhesive system Single Bond as a control material, were used. Bovine mandibular incisors were mounted in self-curing resin and the facial enamel or dentin surfaces were ground wet on 600-grit SiC paper. An in-office whitening agent, Hi-Lite was applied on the tooth surface according to the manufacturer's instruction. Bonding procedures were done soon after rinsing off the whitening agent or after 24 hours storage in distilled water. Specimens without whitening procedure were prepared as controls. Fifteen specimens per test group were stored in 37 degrees C distilled water for 24 hours, then shear tested at a crosshead speed of 1.0 mm/minute. One-way ANOVA followed by Duncan multiple range test were used for statistical analysis of the results. RESULTS: For the specimens made soon after rinsing off the whitening agent, a significant decrease in enamel bond strength was observed for all the bonding systems used. For the specimens made after 24 hours storage in water, a small decrease in enamel bond strength was observed and no significant differences were found compared to those of controls (without whitening). From the results of this study, enamel bond strengths of the self-etching primer systems might be affected to a lesser degree after rinsing with water followed by 24 hours storage in water.
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