Martin A van't Hof

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Aim of the study was to evaluate the effect of infant orthopaedics (IO) on maxillary dimensions in infants with unilateral cleft lip and palate (UCLP). The study design was a prospective two-arm randomised controlled trial in parallel with three participating academic Cleft Palate Centres. Treatment was assigned by means of a computerised balanced(More)
A systematic review was performed of published data on the caries-inhibiting effect of preventive measures during orthodontic treatment with fixed appliances. The purpose was to develop evidence-based recommendations about the most effective means of preventing white spot lesions in orthodontic patients. The 15 studies included were divided into four groups(More)
A cross-sectional survey on the prevalence of rampant caries in infants and a case-control study were executed to determine the prevalence of rampant caries and its etiology. A total of 2192 infants aged between 1 and 4.0 yr from nine regions of Tanzania comprised the sample of the prevalence survey. The overall prevalence of rampant caries resembling(More)
In a double-blind study 171 children with acute otitis media (239 affected ears) were treated by four different methods: neither antibiotics nor myringotomy; myringotomy only; antibiotics only; or both antibiotics and myringotomy. All received symptomatic treatment. There were no significant differences in clinical course (pain, temperature, duration of(More)
A sample of 259 patients with vertical maxillary hyperplasia, mandibular hypoplasia and anterior vertical open bite, collected from three different institutions, was analysed regarding temporomandibular joint (TMJ) sounds, condylar remodelling, and condylar resorption. All patients underwent Le Fort I osteotomies, and bilateral sagittal split advancement(More)
OBJECTIVES Bone remodelling during orthodontic tooth movement is related to the expression of mediators in gingival crevicular fluid (GCF). No information is available concerning the effect of age on the levels of these mediators in GCF. The purpose of this study was to quantify three mediators (prostaglandin E2, interleukin-6 and granulocyte-Macrophage(More)
OBJECTIVE To determine the effects of a short course of a low dose of a glucocorticoid agent on bone mass. DESIGN Double-blind, placebo-controlled, randomized study. SETTING Outpatient clinic of a university hospital. PATIENTS Forty patients with active rheumatoid arthritis. INTERVENTION All patients started receiving intramuscular gold salts. In(More)
OBJECTIVE To develop and validate an extensive radiographic scoring system for ankylosing spondylitis (AS). METHODS The Stoke Ankylosing Spondylitis Spinal Score (SASSS) was modified by adding a score for the cervical spine and defining squaring. This modified SASSS (mSASSS) is the sum of the lumbar and cervical spine score (range 0-72). 370 lateral views(More)
A systematic review was performed on studies investigating the effects of implant surface roughness on bone response and implant fixation. We searched the literature using MEDLINE from 1953 to 2003. Inclusion criteria were: (1) abstracts of animal studies investigating implant surface roughness and bone healing; (2) observations of three-month bone healing,(More)
OBJECTIVES The objective was to study chewing ability in subjects with shortened dental arches in Tanzania. METHODS A sample of 725 adults with shortened dental arches comprising intact anterior regions and 0-8 occluding pairs of posterior teeth and 125 adults with complete dental arches were recruited. Subjects were classified into nine categories(More)