Effect of Gingival Retraction Method to Lateral Gingival Displacement Width

Abstract Objective: To analyze the efficacy of retraction cord with a hemostatic agent in comparison with retraction paste on lateral gingival displacement, to achieve the success of fixed dental prostheses (FDP). Material and Methods: Test samples included 32 teeth that required treatment with metal-porcelain FDP at RSKGM FKG Universitas Indonesia. Impressions were taken before the gingival retraction procedure. From the 32 samples, 16 teeth were retracted using a combination of retraction cord and hemostatic agent, whereas the other half were retracted with retraction paste. Impressions were then taken. The sample was made using cutting die. Lateral gingival displacement width was measured on die-cast using an optical microscope Results: The mean value of group A before gingival retraction was 0.1695 mm, and after gingival retraction was 0.4705 mm. The mean value of group B before gingival retraction was 0.1767 mm, and after gingival retraction was 0.3289 mm. Lateral gingival displacement width between a combination of cord retraction and hemostatic agent group in comparison with the retraction paste group showed a significant difference (p<0.001). The combination of cord retraction and hemostatic agent group showed higher mean value Conclusion: Gingival displacement width as a result of cord retraction with the hemostatic agent was larger compared to the retraction paste. Even though both of them are still considered to be effective in providing access for impression material.

Cirurgia periodontal estética em dentes anteriores / Esthetic periodontal surgery in anterior teeth

As cirurgias pl sticas periodontais vˆm sendo muito valorizadas e cada vez mais procuradas por pessoas que alegam querer corrigir o “sorriso gengival”, que ocorre quando ao sorrir, mostram mais gengiva do que os dentes. Existem diversas causas para o sorriso gengival, e este artigo aborda um caso de erup‡Æo passiva alterada dos dentes com excesso de gengiva ceratinizada. Um comprometimento do sorriso harm“nico ‚ um desconforto est‚tico que incomoda principalmente as mulheres. Diante dos fatos, este trabalho tem como objetivo relatar um caso cl¡nico de cirurgia est‚tica com osteoplastia. Essas t‚cnicas promovem uma exposi‡Æo dent ria mais adequada proporcionando um sorriso mais harm“nico ao paciente. O presente caso ‚ de uma paciente do sexo feminino, 23 anos, que queixava-se da insatisfa‡Æo que o sorriso gengival a proporcionava. Atrav‚s da an lise do sorriso foi indicado o procedimento cir£rgico. Ap¢s o procedimento cir£rgico, p“de-se concluir atrav‚s do grau de satisfa‡Æo da paciente que as t‚cnicas empregadas foram adequadas para se obter um sorriso est‚tico.

Periodontal plastic surgery have been highly valued and increasingly sought by people who want to fix the “gummy smile”. There are several causes for gummy smile, and this article will discuss a case of altered passive eruption of teeth with excessive keratinized gingiva. An aesthetically compromised smile bothers mostly female patients. Given the facts, this paper aims to report a case of clinical cosmetic surgery with osteoplasty. These techniques promote a more adequate dental exhibition providing a more harmonious smile to the patient. This case was a 23 years old female patient, displeased with her gummy smile. After the analysis of the smile, surgical treatment was indicated. After surgery it was concluded that, according to the patient’s satisfaction, the utilized techniques were adequate to obtain an aesthetically harmonious smile.

Effect of a cordless retraction paste on titanium surface: a topographic, chemical and biocompatibility evaluation

Good exposure of the preparation margins and haemostasis in the sulcular gingiva are necessary for accurate impressions to produce precise restorations. The use of cordless retraction paste material in implant dentistry is a relatively novel application. However, few studies have been conducted on the use of retraction pastes and their possible interaction with implant surfaces. Recent literature has described remnants on titanium implant surfaces and expressed the need for an assessment of the biocompatibility of the exposed surface (Chang et al.). This in vitro study evaluated the effect of a cordless gingival retraction paste on sterile titanium disks. Surface chemistry was determined using energy-dispersive X-ray spectroscopy (EDS), and further investigated using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). After exposure to retraction paste, surface chemistry alterations were identified. A fibroblast cell line (L929) was exposed to the disks and the live/dead viability/cytotoxicity assay was used to determine any effects on the proliferation and health of cells. The disks exposed to the retraction paste showed fewer dead cells compared to the unexposed disks. This was statistically significant.

Effect of a cordless retraction paste material on implant surfaces: an in vitro study

Cordless retraction paste material for gingival retraction in implant dentistry has recently become of interest to the clinician. However, few studies have been conducted on the use of retraction pastes and their possible interaction with implant surfaces. This in vitro study evaluated the effect of a cordless retraction paste material, Expasyl® (Acteon), on TiUnite® (Nobel Biocare) implant surfaces. Three areas of the fixtures were evaluated before and after contact with the retraction paste using scanning electron microscopy to evaluate changes in surface topography and energy-dispersive spectroscopy to identify any surface chemistry modifications. Alteration of the initial surface after exposure to Expasyl® was identified, with the implant collar showing the most changes.