Quintessence International, 06/2015

The present article gives an overview of modern adhesive restoration in the anterior area, in view of the fact that modern dental therapy should be as minimally invasive as possible. Illustrated with multiple cases, the article shows possible prospective fields of indication. Palabras clave: corrections of form, direct composite resin restoration, direct composite veneer, fiber-reinforced-composite fixed partial dentures (FRC-FPD), space closure

Cone beam computed tomography (CBCT) is a new technology that produces three-dimensional (3D) digital imaging at reduced cost and less radiation for the patient than traditional CT scans. It also delivers faster and easier image acquisition. By providing a 3D representation of the maxillofacial tissues in a cost- and dose-efficient manner, a better preoperative assessment can be obtained for diagnosis and treatment. This comprehensive review presents current applications of CBCT in endodontics. Specific case examples illustrate the difference in treatment planning with traditional periapical radiography versus CBCT technology. Palabras clave: 3D, cone beam computed tomography, endodontics, root canal therapy

Objective: To determine the efficacy of enamel matrix derivative (EMD) and forced eruption alone or in combination with freeze-dried bone allograft (FDBA) or demineralized FDBA (DFDBA) when managing infrabony defects. Method and Materials: Seventy-four patients with an inadequate biologic width due to subgingival caries were randomly assigned to one of three intervention groups: Ortho/EMD/FDBA (OEF) (n = 25), Ortho/EMD/DFDBA (OED) (n = 24), and Ortho/EMD alone without graft material as a control (OE) (n = 25). Each patient donated an infrabony defect. The primary outcomes were absolute change in probing depth (PD) reduction and clinical attachment level (CAL) gain from baseline to 1- and 3-year follow-up. Infrabony defects were surgically treated with EMD/FDBA, EMD/DFDBA, or EMD alone 4 weeks before orthodontic extrusive force was applied to reestablish a biologic width of 2 mm. Results: Seventy-four patients (OEF, n = 25; OED, n = 24; OE, n = 25) were analyzed. All groups demonstrated significant improvement in PD reduction and CAL gain from baseline. The changes at 1 year for PD were: OEF (mm, 95% CI), 4.3, 3.7 to 4.7; OED, 4.2, 3.6 to 4.9; and OE, 3.4, 3.1 to 3.7; for CAL, changes were: OEF, 4.3, 3.9 to 4.7; OED, 3.9, 3.5 to 4.4; and OE, 3.3, 3.1 to 3.5. Longer follow-ups showed similar findings. Conclusion: This study showed that both forced eruption/EMD/FDBA and forced eruption/EMD/DFDBA combination therapies result in greater soft tissue improvements at 1- and 3-year follow-up in addition to greater hard tissue improvements at 6-month re-entry compared with forced eruption/EMD alone. Palabras clave: bone, clinical trial, enamel matrix protein, forced eruption, randomized, tissue regeneration

Multiple myeloma is a blood dyscrasia involving plasma cells in the bone marrow. Much new information and many management strategies exist for these disorders. For dental care, there are a number of issues for the clinician to consider. This review discusses current management of this disease and a case report. Palabras clave: blood dyscrasia, bone disease, dental implants, multiple myeloma

Background: Scientific data and clinical observations appear to indicate that an adequate width of attached mucosa may facilitate oral hygiene procedures thus preventing peri-implant inflammation and tissue breakdown (eg, biologic complications). Consequently, in order to avoid biologic complications and improve long-term prognosis, soft tissue conditions should be carefully evaluated when implant therapy is planned. At present the necessity and time-point for soft tissue grafting (eg, prior to or during implant placement or after healing) is still controversially discussed while clinical recommendations are vague. Objectives: To provide a review of the literature on the role of attached mucosa to maintain periimplant health, and to propose a decision tree which may help the clinician to select the appropriate surgical technique for increasing the width of attached mucosa. Results: The available data indicate that ideally, soft tissue conditions should be optimized by various grafting procedures either before or during implant placement or as part of stage-two surgery. In cases, where, despite insufficient peri-implant soft tissue condition (ie, lack of attached mucosa or movements caused by buccal frena), implants have been uncovered and/or loaded, or in cases where biologic complications are already present (eg, mucositis, peri-implantitis), the treatment appears to be more difficult and less predictable. Conclusion: Soft tissue grafting may be important to prevent peri-implant tissue breakdown and should be considered when dental implants are placed. The presented decision tree may help the clinician to select the appropriate grafting technique. Palabras clave: peri-implant keratinized attached mucosa, peri-implantitis, soft tissue recession

Objective: To evaluate the effectiveness of audiovisual (AV) eyeglasses on pain reduction during local anesthetic injection in children who are 5 to 8 years old. Method and Materials: Forty-nine healthy, cooperative children with bilateral carious molars requiring treatment under local anesthesia were recruited in this crossover study. Treatments were done in two visits, 1 to 4 weeks apart. Subjects were randomly divided into two groups according to the sequence of AV eyeglasses used. Group I received the injection without wearing AV eyeglasses in the first visit and then wearing AV eyeglasses in a second visit. Group II was vice versa. Self-reporting pain using the Faces Pain Scale-Revised (FPS-R), face, legs, activity, crying, and consolability scale (FLACC), and heart rate (HR), were measured to assess the injection pain. Results: No significant differences in sex (P = .132) and treatment arch (P = .779) were observed between the two groups using a chi-square test at P .05. There were no significant differences in age (P = .341, t test at P ≤ .05) and previous dental experience (P = .19, Fisher's exact test at P ≤ .05) between the two groups. Pain scores were lower when the patients had their injection while wearing AV eyeglasses in both groups. No subject reported a maximum score on the pain rating scale when wearing AV eyeglasses, while 14% of the subjects reported so when not wearing the eyeglasses. AV eyeglasses significantly reduced FLACC scores (P = .03) and HR (P = .005) when compared with not wearing the eyeglasses (Mann-Whitney U test at P ≤ .05). Conclusion: AV eyeglasses successfully reduced pain, physical distress, and HR during local anesthesia injection. Palabras clave: audiovisual eyeglasses, dental treatment in children, distraction technique, local anesthesia injection

Objective: A novel osteotome trifactorial classification system is proposed for transcrestal osteotome-mediated sinus floor elevation (OSFE) sites that includes residual bone height (RBH), sinus floor anatomy (contour), and multiple versus single sites OSFE (tenting). Method and Materials: An analysis of RBH, contour, and tenting was retrospectively applied to a cohort of 926 implants placed using OSFE without added bone graft and followed up to 10 years. RBH was divided into three groups: high (RBH > 6 mm), mid (RBH = 4.1 to 6 mm), and low (RBH = 2 to 4 mm). The sinus "contour" was divided into four groups: flat, concave, angle, and septa. For "tenting", single versus multiple adjacent OSFE sites were compared. Results: The prevalence of flat sinus floors increased as RBH decreased. RBH was a significant predictor of failure with rates as follows: low- RBH = 5.1%, mid-RBH = 1.5%, and high-RBH = 0.4%. Flat sinus floors and single sites as compared to multiple sites had higher observed failure rates but neither achieved statistical significance; however, the power of the study was limited by low numbers of failures. Conclusion: The osteotome trifactorial classification system as proposed can assist planning OSFE cases and may allow better comparison of future OSFE studies. Palabras clave: classification, observational study, osteotome, retrospective, sinus elevation, transcrestal

Psoriasis is a common, disfiguring and stigmatizing skin disease associated with impaired quality of life. In patients with severe psoriasis unresponsive to other treatments, cyclosporine can induce a rapid remission. Although drug-induced gingival overgrowth (GO) is a frequent side effect, in the guidelines for the use of cyclosporine for psoriasis regular dental examinations were not mentioned as an essential part of monitoring of these patients. Case Report: A 59-year-old man with GO involving almost all the interdental papillae (Seymour's grading score 1-5) reported difficulties in mastication and gingival swelling. The medical history revealed severe recalcitrant psoriasis treated by oral cyclosporine. The periodontal treatment consisted of strict oral hygiene instructions, scaling, root surface instrumentation, and a 2-month interval periodontal supportive treatment. At 12 months an almost complete regression of GO was observed. A careful nonsurgical periodontal treatment combined with meticulous self-performed oral hygiene may avoid the need for surgical intervention, even in advanced cases. Palabras clave: cyclosporine, gingival overgrowth, nonsurgical periodontal therapy, psoriasis

Gingival pyogenic granuloma is a relatively common benign form of mucocutaneous lesion. Although surgical excision is considered to be the standard care, several reports have demonstrated a high recurrence rate of the lesion. In this case report a nonsurgical protocol to treat recurring gingival pyogenic granuloma and prevent further recurrence is suggested. The protocol includes strict oral hygiene instructions, scaling, root planing, and maintenance treatment. To the best of our knowledge, this is the first report of conservative nonsurgical management of recurrent gingival pyogenic granuloma lesions. Palabras clave: pyogenic granuloma, nonsurgical treatment

Phlebothrombosis is a thrombus which develops within a vein. About 90% of phlebothrombosis takes place in the extremities and constitutes a risk factor for deep venous thrombosis, a lifethreatening disease. The occurrence of this lesion in the oral cavity is rare. To our knowledge, besides this case, there is only one previously reported case of tongue phlebothrombosis. Here, we report the second case in addition to a comprehensive discussion of the pathogenesis and potential risks of this uncommon lesion. Palabras clave: thrombosis, tongue, venous diseases