Flapless Guided Implant Surgeries Compared with Conventional Surgeries Performed by Nonexperienced Individuals: Randomized and Controlled Split-Mouth Clinical Trial.

PURPOSE: The study aimed to evaluate the outcomes of flapless guided surgery related to surgery, patient, operator, assistant, and advisor, comparing it with conventional surgery performed by undergraduate students who had never placed implants in patients. MATERIALS AND METHODS: A randomized controlled split-mouth clinical trial was carried out. Ten patients with bilateral mandibular posterior tooth loss received an implant on each side with conventional flap surgery or flapless guided surgery that was performed by undergraduate students. Surgery time, pain, patient satisfaction, quantity of consumed medications, time of procedure, ease of procedure, anxiety, and stress were assessed. RESULTS: Conventional surgery showed statistically significantly inferior results compared with flapless guided surgery in terms of procedure time (56 minutes, 36 seconds ± 8 minutes, 38 seconds vs 30 minutes, 1 second ± 6 minutes, 2 seconds), consumption of analgesic medications (49 tablets vs 15 tablets), intraoperative (1.75 ± 1.56 vs 0.65 ± 0.64) and postoperative pain (4.62 ± 2.17 vs 1.17 ± 0.72), and operator anxiety (4.76 ± 1.66 vs 3.47 ± 1.50), respectively. CONCLUSION: Flapless guided implant surgeries performed by individuals with no previous clinical experience showed reduced surgery time and delivered better patient-reported outcomes both in the intraoperative and postoperative periods; reduced medication consumption; and showed better results in the operator and assistant perspectives.

Tratamento da recessão gengival pelo posicionamento coronal do retalho associado ao enxerto de tecido conjuntivo / Coronally advanced flap in association with connective tissue graft in the treatment of gingival recession

A recessão gengival (RG) é a migração apical da gengiva com exposição da superfície radicular. Sua presença e extensão aumentam com a idade e ocorrem em grande parte da população. A etiologia é multifatorial e alguns fatores predisponentes têm sido propostos, como higienização deficiente, deiscência óssea, biotipo gengival fino, inserção alterada de freio, posicionamento dentário e trauma por escovação. Suas principais consequências são exposição da raiz ao meio oral, com sequelas a nível estético e também funcional. Alguns tipos de procedimentos cirúrgicos podem ser realizados para tratar a RG. O objetivo deste trabalho é relatar a técnica de recobrimento com retalho posicionado coronalmente em associação com enxerto de tecido conjuntivo (ETC). Paciente AM, 32 anos, sem alterações sistêmicas e sem perda óssea interproximal, apresentava recessão gengival em uma área com histórico de cisto periodontal lateral. A recessão foi classificada como 1- de acordo com a nova classificação das doenças periodontais. Foi realizado o recobrimento das recessões gengivais dos dentes 11 e 12 pela técnica do retalho posicionado coronalmente em associação com ETC. A adição do ETC é relatada na literatura como um importante fator para obter um tecido mais espesso e resultado mais eficaz em médio e longo prazo quando comparado apenas ao posicionamento coronal do retalho. A técnica proposta foi capaz de tratar a alteração estética presente, recobrir a área radicular exposta e transformar o biotipo gengival em espesso para a aumentar a previsibilidade e longevidade do procedimento (AU).

Gingival recession (GR) is the apical migration of the gingiva with exposure of the root surface. Its presence and extent increase with age and occurs in most part of the population. The etiology is multifactorial and some predisposing factors have been proposed, such as deficient hygiene, bone dehiscence, thin gingival biotype, altered frenulum insertion, dental positioning, and toothbrushing trauma. Its main consequences are exposure of the root in the oral environment, with aesthetic and functional effects. Some types of surgical procedures can be performed to treat the GR. The aim of this study is to report the treatment of gingival reces-sions with coronally advanced flap in association with connective tissue graft (CTG). Patient AM, 32 years old, without systemic alterations and without interproximal bone loss, presented a gingival recession in an area with a history of a lateral periodontal cyst. The recession was classified as 1- according to the new classification of the periodontal diseases. The coverage of the recessions of teeth 11 and 12 was performed by coronally advanced flap in association with CTG. The addition of CTG is reported on the literature as an important factor to obtain a thicker tissue and obtain a more effective result in the medium and long term when compared only to the coronal placement of the flap. The proposed technique was able to treat the aesthetic alteration, to cover the exposed root area and to transform the gingival biotype into thick to increase the predictability and longevity of the procedure (AU).