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At least 433 records · Page 24Linked to original sources
PubMed1984

Periodontal surgical preparation for specific problems in restorative dentistry.

The interrelationships of restorative/prosthetic problems involving the physiologic gingival attachment have been reviewed. Specific problems that may occur include subgingival caries, crown fracture, inadequate crown length, pin perforation, and exostosis. Periodontal surgery is recommended for some of these problems to assure acceptable periodontal health to support the restorative therapy and provide a long-term prognosis.

Dental Caries↗
PubMed1999

Telemedicine consultations in oral and maxillofacial surgery.

PURPOSE: The purpose of this study was to evaluate the efficiency of telemedicine consultation for preoperative assessment of patients. PATIENTS AND METHODS: A retrospective study of 43 patients was done to evaluate the efficiency of telemedicine consultation in adequately assessing patients for dentoalveolar surgery with general anesthesia and nasotracheal intubation. Efficiency was defined as the ability to conduct surgery with general anesthesia at the immediately following clinic appointment without the need for further preoperative testing, evaluation, or consultation. Thirty-five of these patients were subsequently treated. RESULTS: Ninety-five percent (33) of patients were able to undergo surgery with general anesthesia at the immediate appointment, and 100% of patients were assessed correctly, using telemedicine consultation. Two of the patients were assessed as American Society of Anesthesiologists Class III during telemedicine consultation and required further evaluation before surgery could be scheduled. No surgical procedure was canceled, and there were no anesthetic complications attributable to inadequate preoperative assessment of patients during telemedicine consultation. CONCLUSIONS: This study confirms that telemedicine consultations are as reliable as those conducted by traditional methods. Because of the reorganization of health care and the ways it is financed, it may be more economical to move data from place to place than to move doctors from place to place. Telecommunication is an efficient and cost-effective mechanism to provide preoperative evaluation in situations in which patient transport is difficult or costly.

Adult↗
PubMed1996

The response of supraalveolar gingival collagen to orthodontic rotation movement in dogs.

An orthodontically rotated tooth relapses toward its pretreatment position. Explanations for this phenomenon have been given after light microscopic studies, according to which it had been assumed that stretched supraalveolar gingival fibers pulled back the tooth and brought about relaxation of the stretched fibers. The rotational relapse, however, can be prevented by supraalveolar fiberotomy of the gingiva around the tooth. This investigation was initiated to reevaluate the validity of the hitherto assumed causes for the relapse, by obtaining ultrastructural data on the response of collagen fibers after orthodontic intervention. Lateral maxillary incisors in the dog were rotated with bonded fixed appliances. The teeth were divided into groups according to different orthodontic procedures. Scanning and transmission electron microscopic analyses were performed on gingival samples after proper processing. Analyses of the untreated control samples showed well-organized, parallel, and densely packed thick bundles of collagen fibers, interconnected with thin fibers. After rotation-followed-by-retention, the gingival fibers were torn, ripped, disorganized, and laterally spaced and of increased diameter. Thus it was concluded that all these patterns are incompatible with stretching. Also, an increased number of elastic fibers were seen in proximity to the torn collagen fibers. After gingival fiberotomy, most fibers resumed the appearance of the organized pattern of large fiber bundles similar to those seen in the controls.

Animals↗
PubMed2007

Verifiable CPD paper: introduction, history of lasers and laser light production.

The word laser conjures in the mind's eye many aspects of what might be described as 'modern' life. The words 'powerful', 'precise' and 'innovative' complement our conception of the world in terms of technology, whereas patients often associate the words 'magical' and 'lightening quick' with the use of lasers in medical practice. The purpose of this series of articles is to explore the history and development of lasers, the integration of lasers into clinical dentistry and the safeguards as to their regulated use.

Dental Cavity Preparation↗
PubMed1995

Periodontology: a clinical approach. 4. Periodontal surgery.

Results from comparative surgical studies have shown small differences between methods when evaluated over a few years post-surgically. Early interim results suggest that apical repositioning is more effective at reducing probing depth, replaced flaps (such as the modified Widman technique) offer slight advantages in terms of gain in clinical attachment, and procedures which involve extensive bone removal or exposure result in more bone loss and loss of attachment. The replaced flaps should in theory produce better aesthetics than the apical repositioned flap. In the long term however, the former tend to recede slightly whilst there is some coronal rebound in the latter, thereby producing relatively little difference between them when good plaque control is maintained. In all procedures there is loss in height of the interdental tissues, even if the labial tissue is maintained, and this can be aesthetically displeasing to some individuals. However it should also be remembered that effective non-surgical treatment can result in similar changes in tissue height and contour, and there is no guarantee of preservation of pre-existing dentogingival aesthetics. All routine periodontal treatment results in gingival shrinkage to some degree. In many cases periodontal surgery will, in reality, involve a combination of replacement, apical repositioning and resection due to the uneven pattern of disease and different anatomical constraints of the palate, tuberosities and retromolar regions. This is shown in figure 12. In summary the surgical procedures should: 1. Produce well contoured flaps of even thickness which are tailored to the shape of the tooth surfaces and permit good coverage of the alveolar bone and any bone defects.(ABSTRACT TRUNCATED AT 250 WORDS)

Gingivectomy↗
PubMed1998

Uprighting mesially impacted mandibular permanent second molars.

Impaction of permanent teeth is a relatively common occurrence and can involve any tooth in the dental arch. Impacted mandibular second molars are relatively rare, but when they occur they may present a clinical problem for the orthodontist and oral surgeon. A typical case of bilaterally impacted mandibular second molars is illustrated, with orthodontic and surgical treatment options presented. Emphasis is placed on early diagnosis and initiation of corrective orthodontic therapy.

Child↗
PubMed2001

A dose-response study of adrenaline combined with lignocaine 2%: effect on acute postoperative pain after oral soft tissue surgery.

AIMS: The combination of lignocaine and adrenaline may cause more postoperative pain than other types of local anaesthetic agents with comparable clinical efficacy. This study investigates the dose-response effect of adrenaline added to lignocaine on postoperative pain, when used as local anaesthetic for oral soft tissue surgery. METHODS: A controlled, randomized, double-blind, parallel group study included 195 patients (108 females/87 males) with mean age 49 years (range 26-75 years). The patients were allocated to one of three treatment groups receiving lignocaine 2% (n = 66), lignocaine 2% with adrenaline 1 : 160 000 (n = 63) or lignocaine 2% with adrenaline 1 : 80 000 (n = 66). RESULTS: Lignocaine 2% with adrenaline 1 : 80 000 gave significantly more pain intensity than lignocaine 2% or lignocaine 2% with adrenaline 1 : 160 000. The postoperative pain intensity courses after lignocaine 2% and lignocaine 2% with adrenaline 1 : 160 000 showed a similar pattern except for the time period just after completion of surgery when lignocaine 2% with adrenaline 1 : 80 000 caused less pain. CONCLUSIONS: High adrenaline concentrations (1 : 80 000) combined with lignocaine local anaesthetic solution offers no advantage with respect to pain alleviation during the immediate postoperative pain period. High exogenous adrenaline concentrations may play a significant role in enhancing acute postoperative intensity.

Adrenergic Agonists↗
PubMed2002

The transgingival approach for placement of distraction implants.

PURPOSE: Since 1997, distraction implants have been clinically used for alveolar ridge distraction and, later, for prosthetic treatment. While 63 patients have been treated by the authors by alveolar ridge distraction with distraction implants with an open approach, the aim of this study was to demonstrate a minimally invasive technique of distractor placement via a transgingival approach. PATIENTS AND METHODS: Twelve patients were treated with a modified surgical incision using distraction implants. A tissue punch was used to remove transgingival mucosa, and a segmental osteotomy was performed using a vestibular incision. The distracted segment was pedicled at the lingual and crestal mucoperiosteum. Distraction was carried out for 0.5 mm per day, divided into 2 to 4 turns per day. A distraction of 5 to 7 mm was performed. At the end of distraction, the distraction insert was changed into a definitive stable implant insert. Prosthetic treatment was performed 4 months after the distraction period with fixed superstructures. The follow-up was performed with the aid of dental radiographs, evaluation of peri-implant probing depths, and Periotest values (Siemans, Bensheim, Germany). RESULTS: The outcome of this technique showed minimal scarring of the gingiva with good aesthetic results, the clinical and radiologic findings were satisfying, and the Periotest values were negative at every examination. The rate of complications was low. CONCLUSION: Minimal scarring and good aesthetic and functional outcome resulted in patients with alveolar ridge distraction performed with a transgingival approach.

Alveolar Bone Loss↗
PubMed2000

Advanced periodontic techniques.

Periodontal disease is multifaceted in nature. Problems occur, such as mucogingival problems, osseous deformities, and gingival enlargement, and they require multiple types of treatment. There is no one way to approach each problem or procedure. Philosophy, talent, experience, training, and objectives ultimately determine treatment selection.

Animals↗